FIELD OF THE INVENTION
[0001] The present invention relates to corner protectors. The corner protector of the present
invention is a removable fitment so sized and shaped as to embrace a corner region
of an article such as a picture frame for providing temporary means for protection
of the corner edges whilst the article such as a picture frame is being stored or
transported.
BACKGROUND OF THE INVENTION
[0002] Corner protectors are known, of hollow triangular shape, which can fit corners of
frames, boards, etc. to prevent damage of the corners during storage, stacking, handling
and transport. Such protectors may typically suffer from the deficiencies of being
difficult to fit (because of fitting too tight to the corners) or easily dislodged
(because of fitting too loose to the corners).
[0003] Several solutions to ensure satisfactory fit of corner protectors are known.
[0004] US 4,598,825 discloses a rectangular or square shipping package or wrapper for a picture frame,
mirror, or the like. The corner protective forming elements is made from a one-piece,
die-cut blank of corrugated board, paperboard or fibreboard with the corner protectors
being defined by four, multi-panelled, fold-out flaps capable of capture from the
confines of the blank.
[0005] US 7,350,646 discloses a corner protector with a pair of opposite frame embracing faces which
are resilient and bowed so that, in use, the corner region of a frame to be protected
must force its way into position on between the opposite faces of the protector and
will thereafter be frictionally gripped between them until the protector is subsequently
released by pulling it off against the frictional resistance. Frame-gripping ribs
may also according to
US 7,350,646 be incorporated on the major faces of the corner protector.
[0006] An improved corner protector, which can fit over the corners of frames, boards, etc.
to prevent damage during storage, stacking, handling and transport would be advantageous,
and especially a corner protector which can be fitted on various differently dimensioned
corners without being too tight to hinder the attachment of the corner protector or
too loose to ensure that the corner protector stays attached to the corner.
OBJECT OF THE INVENTION
[0007] It may be an object of the present invention to provide a corner protector for protecting
corners during storing or transport, and which corner protector is easily attached
and detached to a corner, but at the same time is prevented from falling off during
use.
[0008] In particular, it may be an object of the present invention to provide a corner protector
capable of being used on different corners with different dimensions, such as different
corner thickness and/or different corner frame widths.
SUMMARY OF THE INVENTION
[0009] The above described object and several other objects are solved in a first aspect
of the invention by providing a corner protector comprising opposite front and rear
frame enclosing surfaces, side surfaces between the front and rear frame enclosing
surfaces, side edges of the front and rear frame enclosing surfaces and forming connections
between the front and rear frame enclosing surfaces and the side surfaces, and a top
edge placed at the top between the front and rear frame enclosing surfaces, and wherein
the front and rear frame enclosing surfaces and the side surfaces form a cavity which
in use embrace the corner area of a frame, and wherein the corner protector furthermore
comprises
- at least one flap extending outwards from a side edge of one of the front and rear
frame enclosing surfaces, said side edge being opposite to the top edge,
- said flap in use extending inwards from the side edge of the frame enclosing surface
and towards the top edge, and
- said flap comprising at least one stop extending outwards from the flap and said stop
extending into the cavity formed by the front and rear frame enclosing surfaces and
the side surfaces, and where
- at least one stop in use engages an inner edge of a frame to fix the position of the
corner protector to the frame, and where
- at least one stop is comprised within borders of the flap.
[0010] It is to be understood, that when using the phrase "corner protector" the wording
covers any shape or type of a corner protector, and having an opposite front and rear
frame enclosing surfaces, side surfaces between the front and rear frame enclosing
surfaces, side edges of the front and rear frame enclosing surfaces, said edges forming
connections between the front and rear frame enclosing surfaces and the side surfaces,
and a top edge placed at the top between the front and rear frame enclosing surfaces,
and wherein the front and rear frame enclosing surfaces and the side surfaces form
a cavity which in use in use embrace the corner area of the article that needs to
be protected during storing or transport.
[0011] The outer dimension of the corner protector according to the invention has to be
large enough to enable the locking mechanism of the invention on the inner border
of the article, such as a picture frame. If the width of the corner protector, defined
as the shortest distance across the frame enclosing surface from the top edge to the
side edge of the frame enclosing surface, is not wider than the width of the distance
between the inner and the outer border of the article, such as the width of the picture
frame, the stop will not be able to engage the inner border of the article, and therefore
it is inherent to all corner protectors according to the invention that the outer
dimension of the corner protector will be large enough for the stop to engage the
inner border of the article of which the corner protector seeks to protect.
[0012] The material along the edge connecting the at least one of the opposite front and
rear frame enclosing surfaces with the flap is intended to control the spring effect
of the flap. The spring effect of the flap is when the flap in use is bend inwards
towards the top edge, whereby the material along the edge will be subjected to an
elastic strain, thereby subjecting the flap with a force towards the article from
the opposite surface by elastically straining said material of the edge. The elastically
strained material of the edge will try to revert to its unstrained position to minimize
the stored elastic energy. Trying to revert to its unstrained position will impose
a force between the opposite surface and the article, such as a picture frame, when
the corner protector is in use.
[0013] It is important for the strained material of the edge to stay below the elastic limit
of the material in order for the corner protector to be able to preserve the force
towards the article and in order to be able to reuse the corner protector after several
attachments and detachments. A way of dimensioning the spring effect is by changing
the thickness or material of the strained edge.
[0014] The corner protector according to the invention is intended to be used for protecting
corners of articles such as picture frames during transportation or storing of the
article. Protecting of corners of articles could be when the picture frame has to
be transported from the place of production to the place of sale or from the place
of sale to the place of use. During transport there is an increased risk of damaging
the corner areas of the transported articles, and in order to minimize this risk corner
protectors are often used. In articles such as picture frames even small damages such
as scratches or chatter marks can drastically decrease the value of the articles.
During storage of the articles a large number of these articles is often contained
in very little space, which also increases the possibility of damages. Furthermore
packing and unpacking articles from storage facilities also represents situations
where need for special care to avoid damages would also represent increased storage
costs and the opposite where less need for special care to avoid damages would represent
decreased storage costs. During storage and transport where the articles is put tightly
together, e.g., in a pile, the corner protectors according to the invention could
also act as spacers between the articles to avoid for example colour imprints from
article to article or sticking.
[0015] In the present context the wording "transport" or "transportation" refers to all
handling of the articles either by hand or machine. Furthermore the wording "storage"
refers to all intermediate storing of the articles at the place of production, at
intermediate stocks or storage facilities or at the place sale, such as in a shop,
or where else storage is required.
[0016] The thickness of the walls in a corner protector according to the invention may be
0.01-20 mm, such as 0.1-10 mm, such as 0.5-5 mm, such as 0.5-3 mm, such as 0.5-2 mm,
such as 0.5-1.5 mm, such as 0.5-1 mm.
[0017] Preferably, the opposite front and rear frame enclosing surfaces are of triangular
shape. The opposite front and rear frame enclosing surfaces can also have different
shapes such as other polygonal or rounded shapes. The shape of the opposite front
and rear frame enclosing surfaces can be designed either to match a special article
or to be versatile to match a variety of articles. Furthermore, one of the frame enclosing
surfaces of the corner protector may have a right-angled boomerang-like shape to minimize
the surface of the frame being enclosed, e.g. a picture frame. Thereby, the exposure
of the front of article, e.g. enhance the exposure of the picture in a picture frame,
is enhanced. A frame enclosing surface having a right-angled boomerang-like shape
will also reduce materials cost of the corner protector.
[0018] The outer surface of the front and rear frame enclosing surfaces and/or the side
surfaces can be designed with ribs or dimples etc. in order to improve the stacking
abilities of the articles during transport or storage.
[0019] The stop on the flap is intended for engaging the inner edge of the article such
as a picture frame. The stop can easily be disengaged by pushing the flap towards
the surface to which the flap is connected.
[0020] According to a preferred embodiment of the invention, the at least one stop has a
first wall and a second wall, said first and second walls extending from the flap,
said walls forming an abutting edge and said walls abutting each other along the abutting
edge and forming an angle between said first and second walls being at the most 90
degrees, said abutting edge in use of the corner protector being directed towards
the top edge, and said abutting edge of the stop in use engaging the inner border
of the frame. A stop shaped like a kind of pyramid or a kind of shark-fin, a rigid,
steady and efficient stop is obtained, ensuring a proper engagement between the corner
protector and the corner to be protected.
[0021] By restricting the angle between said first and second walls to be at the most 90
degrees the stop is ensured to engage the inner border of the article with the abutting
edge and possibly the first and second walls, when the corner protector is used on
L-shaped corner areas. If the angle exceeds 90 degrees the stop will engage the first
and second walls of the stop on the part of the walls away from the abutting edge.
This will lead to a decreased locking efficiency, due to lack of engagement with the
abutting edge. In case of other polygonally shaped frames, such as triangular, the
angle would be restricted by other angles such as less than 60 degrees for a triangular
shaped frame or less than 120 degrees for a hexagonally shaped frame.
[0022] In order for the stop to be able to engage the inner border of an article in a locked
manner, the angle between the surface of the flap and the abutting edge of the stop
needs to be close to 90 degrees when the flap in use is close to parallel with the
opposite front and rear frame enclosing surfaces. When the flap in use is in this
position the abutting edge needs to be close to close to parallel to an inner corner
edge of the article to effectively engage the inner border of the article.
[0023] According to a preferred embodiment of the invention, the at least one stop is constituted
by a pin extending from the flap, said pin extending with an elongate axis of the
pin forming an angle of approximately 90 degrees with a surface of the flap from which
the pin extends. Said pin, in use of the corner protector, engages the inner border
of the frame. A pin used as a stop has the advantage that the corner protector more
easily may be disengaged from the corner of an article.
[0024] According to a possible embodiment of the invention, the flap is provided with at
least one hole, and wherein the pin in use is inserted into one of said holes.
[0025] In order to enhance the versatility of the corner protector the pin can be inserted
into one of a given set of holes in the flap, thereby providing the possibility of
using the corner protector for various different dimensions of articles which need
protection. In embodiments where the stop has a permanent position on the flap, the
corner protector is optimal when used on a specifically dimensioned article, such
as a picture frame, and either be too loose or not able to be locked if the width
of the picture frame doesn't match the position of the stop.
[0026] According to another preferred embodiment of the invention, the flap is provided
with a plurality of holes extending through the flap, said plurality of holes extending
along a straight line, and wherein the pin in use is inserted into one of said plurality
of holes.
[0027] According to a possible embodiment of the invention, the flap is provided with at
least one stop embedded in the flap, and wherein the stop in use is capable of being
placed is in position extending outwards from the flap.
[0028] In order to avoid any loose extra members of the corner protector such as the described
insertable pin, the stop can be constituted from a part of the flap, which is able
to be extended outwards from the plane of the flap. Such a stop embedded in the flap
can be made for example by stamping a geometrical shape into the flap such that a
part of the flap, when to be used, can be pushed outwards from the surface of the
flap for the geometrical shape to constitute the stop.
[0029] According to a possible embodiment of the invention the corner protector is comprising
opposite front and rear frame enclosing surfaces, side surfaces between the front
and rear frame enclosing surfaces, side edges of the front and rear frame enclosing
surfaces and forming connections between the front and rear frame enclosing surfaces
and the side surfaces, and a top edge placed at the top between the front and rear
frame enclosing surfaces, and wherein the front and rear frame enclosing surfaces
and the side surfaces form a cavity which in use embrace the corner area of a frame,
and wherein at least one of the frame enclosing surfaces is provided with a first
element and a second element for engaging said first element, where said first and
second element in use are constituting a stop engaging the inner border of the frame
as tightly as possible.
[0030] By placing the stop on the frame enclosing surface it is possible to engage or disengage
the stop while the corner protector is attached to the frame. For example in applications
where the frame might be very fragile or if both sides of the frame is sought to be
protected, it might be disadvantageous to use a flap with a stop, since it might present
unwanted stress to the frame or leave unwanted marks on the frame, respectively.
[0031] According to another possible embodiment of the invention the corner protector, the
frame enclosing surfaces is provided with a plurality of first elements. The corner
protector furthermore comprises a second element for engaging one of said plurality
of first elements, where said plurality of first elements and said second element
in use are constituting an adjustable stop engaging the inner border of the frame.
Providing the corner protector with a plurality of first elements allows the user
to use the corner protector without prior measurement or consideration of the frame
width. The user can attach the corner protector to the frame and subsequently attach
the second element to the most appropriate first element.
[0032] According to a possible embodiment of the invention, the plurality of first elements
is constituted by a plurality of holes extending along a straight line, said line
of holes extending from a border of the frame enclosing surfaces, and wherein the
second element is constituted by a pin, said pin and said line of holes constituting
the stop and said pin in use being inserted into one of said plurality of holes.
[0033] According to a possible embodiment of the invention, the plurality of first elements
is constituted by a wavelike shape extending outwards from the frame engaging surface,
and said plurality of first elements extending along a straight line, said line of
first elements extending from a border of the frame enclosing surfaces, and wherein
said second elements is constituted by a wavelike shape complementary to said wavelike
shape of the first elements.
[0034] A wavelike shape for engaging the first element with the second element enables the
stop to be shaped so that a stepwise positioning of the stop is provided in relation
to the remainder of the corner protector. Thereby, the ability is increased for using
the corner protector on different corners with different dimensions, such as different
corner thickness and/or different corner frame width.
[0035] The corner protector may be made from different materials depending on the structural
strength and/or the lifetime durability and/or the environmental sustainability required
of the corner protector.
[0036] According to a possible embodiment of the invention, the corner protector is made
from plastic, such as polyethylene or polypropylene. Plastic may be manufactured having
a sufficient structural strength, the lifetime and durability may be higher than that
of, e.g., cardboard, and the environmentally sustainability may be increased by using
recycled plastic.
[0037] It may also be advantageous to manufacture the corner protector from a biodegradable
material since the corner protector may be lost in nature during use. An example of
a biodegradable material, possibly capable of being injection moulded or being thermo-shaped,
is polyhydroxyalkanoate.
[0038] According to a possible embodiment of the invention, the corner protector surfaces
are wholly or partially transparent.
[0039] The corner protector surfaces being wholly or partially transparent may improve the
visual appearance and/or may allow full visual appearance of the article when the
corner protectors are mounted to the article, which can be important e.g. during resale
of the article say in a shop.
[0040] According to a possible embodiment of the invention, the corner protector surface
is ribbed, dimpled, corrugated and/or otherwise surface-treated as to enhance its
frictional gripping capability in use.
[0041] In order to improve the handling and grip of the corner protector according to the
invention, the surface of the corner protector can be ribbed, dimpled, corrugated
and/or otherwise surface-treated as to enhance its frictional gripping capability
in use. Surface treatment like ribs, dimples and corrugations may improve the hands
grip on the corner protector when attaching and detaching the corner protector, it
may enhance the grip of the corner protector on an article and it may help to avoid
sliding of an article on slippery floors for example when the article is placed on
the slippery floor and at the same time leaning against a wall.
[0042] According to a possible embodiment of the invention, the surfaces of the corner protector
is grooved, indented and/or otherwise so surface-treated that as, in use, the corner
protector is pushed onto the corner region of the frame, the ribs, dimples etc of
the corner protector will slide and/or snap into the grooves, indentations etc of
the frame on the interior of the corner protector and that the ribs, dimples etc will
provide protection of the frame from exterior mechanical impacts on the corner protector.
[0043] The individual aspects of the present invention may each be combined with any of
the other aspects. These and other aspects of the invention will be apparent from
the following description with reference to the described embodiments.
BRIEF DESCRIPTION OF THE FIGURES
[0044] The corner protector according to the invention will now be described in more detail
with regard to the accompanying figures. The figures show one way of implementing
the present invention and is not to be construed as being limited to other possible
embodiments falling within the scope of the attached claim set.
Fig. 1 show the corner protector of the invention in a perspective view,
Fig. 2 show the corner protector of the invention in a different perspective view,
Fig. 3 shows a close-up view of the flap according to the invention,
Fig. 4 shows a pin according to the invention,
Fig. 5 shows an embodiment of the corner protector of the invention,
Fig. 6 shows an embodiment of the corner protector of the invention,
Fig. 7 shows a frame in a perspective view,
Fig. 8 shows a side view of a corner protector according to the invention and the
finger of a user,
Fig. 9 shows an embodiment of the corner protector of the invention.
DETAILED DESCRIPTION OF AN EMBODIMENT
[0045] Fig. 1 shows an embodiment of a corner protector 1. The corner protector 1 comprises
two opposite frame enclosing surfaces, a front frame enclosing surface 1A and a rear
frame enclosing surface 1B, which in use abut the front side 5E and rear side 5F of
an article such as a picture frame (see Fig. 7). The frame enclosing surfaces 1A,
1B are connected to side surfaces 1C, 1D along side edges. A top edge 1E is present
at the top between the frame enclosing surfaces 1A, 1B, said top edge 1E connecting
the side surfaces 1C, 1D. In use the frame enclosing surfaces 1A, 1B and the side
surfaces 1C, 1D embrace the corner area 5D of a frame 5 (see Fig. 7).
[0046] The corner protector 1 furthermore comprises a flap 2 extending from a first side
edge 1F of the front frame enclosing surface 1A. Alternatively, the flap may extend
from a second side edge 1G of the rear frame enclosing surface 1B. The first side
edge 1F and the second side edge 1G are opposite to the top edge 1E (see Fig. 2).
The frame enclosing surfaces 1A, 1B and the side surfaces 1C, 1D configures a cavity
for a corner of a frame of an article such as a picture fram, said corner intended
for being inserted into tehj cavity during use.
[0047] The flap 2 comprises at least one stop 3 extending outwards from the flap 2. The
stop 3 is comprised within borders 2A, 2B, 2C, 2D, 2E of the flap 2.
[0048] During use, the flap 2 is extending inwards from the first side edge 1F of the front
frame enclosing surface 1A, alternatively from the second side edge 1G of the rear
frame enclosing surface 1B, and towards the top edge 1E.
[0049] By bending the flap 2 inwards into the cavity of the corner, the flap 2 will be elastically
tensioned along the side adge 1F. Thereby, the flap will apply a pressure to the rear
side 5F of the article 5, thereby fixing the position of the corner protector 1 with
respect to the corner area 5D of the frame 5 (see Fig. 7).
[0050] In order to fix this position of the corner protector 1 with respect to the corner
area 5D of the frame 5, the stop 3 engages an inner border 5A of the article.
[0051] Fig. 3 shows an embodiment, where the stop 3 has a first wall 3A and a second wall
3B, said first and second walls 3A, 3B extending from the flap 2. The walls form an
abutting edge 3C and said walls are abutting each other along the abutting edge 3C
and said walls are forming an abutting angle 3D being at the most 90 degrees. The
abutting edge 3C, during use of the corner protector, is directed towards the top
edge 1E, and said abutting edge 3C of the stop 3, during use of the corner protector,
is engaging the inner border 5A of the frame 5 (see Fig. 7).
[0052] By restricting the abutting angle 3D to be at the most 90 degrees, the stop 3 is
sure to engage the inner border 5A of the frame 5 with the abutting edge 3C and possibly
the first wall 3A and second wall 3B, when the corner protector is used on L-shaped
corner areas (see Fig. 7). If the angle 3D exceeds 90 degrees, the stop may engage
the inner border 5A of the frame 5 in a manner so that a decreased locking efficiency
will occur, due to lack of engagement with the abutting edge 3C. In case of other
polygonal shaped frames, such as triangular, the angle 3D would be restricted by other
angles such as less than 60 degrees for a triangular shaped frame or less than 120
degrees for a hexagonally shaped frame.
[0053] Fig. 5 shows an alternative embodiment, where the stop 3 is constituted by a pin
4 extending from the flap 2, said pin extending with an elongate axis 4B of the pin
(see Fig. 4) forming an angle of approximately 90 degrees with a surface of the flap
2 from which the pin 4 extends. The pin 4, during use of the corner protector, is
engaging the inner border 5A of the frame 5 (see Fig. 7). The use of a stop 3 consisting
of a pin 4 compared to a stop constituted by a first wall 3A and second wall 3B could
be advantageous either from a manufacturing point of view or if special requirements
for the engagement of the frame are required, such as engagement of a pre-drilled
hole in the frame 5.
[0054] In yet another embodiment of the invention, the flap 2 is provided with at least
one hole 2G. In embodiments where the flap 2 is provided with a plurality of holes
2G extending through the flap, the plurality of holes 2G can be placed in a specific
configuration such as extending along a straight line or along an array of holes
[0055] During use of the corner protector, the pin 4 is inserted into one of the one or
more holes 2G in order to act as stop 3, which engage the inner border 5A of a frame
5 (see Fig. 7). In embodiments with more holes 2G, the pin 4 is inserted into the
hole 2G matching the widths 5G and 5H of the frame 5 (see Fig. 5). It can be advantageous
to use a fixed position of the pin 4, if all the frames, which are intended to be
protected by corner protector, have the same dimensions. If the widths 5G and 5H of
the frame 5 are equal, it can be advantageous to use a set of holes 2G extending in
a straight line along the elongate direction 2F of the flap. In a business where different
dimensions of the widths 5G and 5H of the frame 5 are required, it can be advantageous
to use an array of holes 2G in order to match all frames with the same corner protector.
[0056] When the stop consists of a pin 4 inserted into a hole 2G, the pin 4 may be provided
with a head 4A to prevent the pin 4 from passing all the way through the hole 2G.
[0057] In another embodiment (not shown), the flap 2 is provided with at least one stop
embedded in the flap 2, and wherein the stop, during use of the corner protector,
is being placed in position extending outwards from the flap, i.e., being retracted
form the embeded position to a protruding position.
[0058] By embedding the stop in the flap, any loose parts can be avoided. Loose parts may
represent a problem in case the user looses or misplaces the parts. By embedding the
stop in the flap, this problem is eliminated.
[0059] Embedding the stop in the flap can posses other advantageous effects such as more
rigid connection to the flap than for example the "pin and hole" type stop. Compared
to the stop comprising a first wall 3A and second wall 3B, the embedded stop is also
likely to represent lower manufacturing costs, since manufacture may be performed
by, e.g., stamping, whereas the stop comprising a first wall 3A and second wall 3B
would present more expensive manufacturing methods.
[0060] During use of the corner protector, the embedded stop is placed in position protruding
outwards from the flap 2 in order to act as stop, which can engage the inner border
5A of a frame 5 (see Fig. 7). In embodiments with more embedded stops, the embedded
stop, matching the widths 5G and 5H of the frame, is placed in position protruding
outwards from the flap 2. It can be advantageous to use a fixed position of the embedded
stop if all the articles, which are intended to be protected by corner protector of
the invention, have the same dimensions. If the widths 5G and 5H of the frame 5 are
equal, it can be advantageous to use a set of embedded stops extending in a straight
line along the elongate direction 2F of the flap. If different dimensions of the widths
5G and 5H of the frame 5 are required, it can be advantageous to use an array of embedded
stops in order to match all frames with the same corner protector.
[0061] Fig. 6 shows an embodiment, wherein the rear frame enclosing surfaces of the corner
protector is having a right-angled boomerang-like shape to limit the front of the
frame being covered, thereby enhancing the exposure of the front of article, i.e.
so as to enhance the exposure of a picture in a picture frame.
[0062] Fig. 7 shows a frame which could be protected a corner protector according to the
invention. The frame has inner borders 5A and outer borders 5B. The frame also has
corners 5C, which in the embodiment shown are right-angled corners. Corners having
other angles, such as corners of a triangular frame or a polygonal frame having more
than four sides, may also be corners to be protected by a corner protector accoridng
to the invention.
[0063] Longitudinal elements 5D constituting the frame have widths 5F and 5G between the
inner borders 5A and the outer borders 5B. The widths may be identical or may be different,
depending on the kind of article which the frame constitutes parts of, e.g. a picture
frame, a window frame, a door frame or a frame of another artice, the corners of which
article may benefit form, and possbly may need, proper protection during storage,
transport and/or during other handling.
[0064] Fig. 8 shows a side view of a corner protector according to the invention and the
finger of a user. Fig. 8 show how the corner protector can be easily disengaged by
the user, by using e.g. an index finger to bend the flap 2 in a direction shown by
the arrow in the upper drawing to release the elastic force provided by the flap towards
the frame element 5D, and thus releasing the engagement between the stop 3 and an
inner border 5A of a frame, enabling pulling the corner protector 1 off the corner
as hown by the arrow in the lower drawing.
[0065] Fig. 9 shows an embodiment, where at least one of the frame enclosing surfaces is
provided with a plurality of first elements 3E for attaching a stop 3 to the corner
protector 1, and wherein the corner protector 1 furthermore comprises at least one
second element 3F for engaging at least one of said first elements 3E. The second
element 3E, which is intended for engaging at least one of the plurality of first
elements 3E, is the element provided with or constituting the stop 3 engaging the
inner border 5A of the frame 5 (see Fig. 7).
[0066] By using a corner protector, where the stop is divided into two parts, i.e., a plurality
of first elements 3E and at least one second element 3F engaging each other, the advantage
may be to be able to position the corner protector without the stop and subsequently
attach the stop to the corner protector. This subsequent engagement of the stop may
allow the user to easily tighten the stop, while the corner protector is attached
to the frame. This subsequent tightening of the stop can also be done, if the cavity
of the corner protector is only large enough to allow the article to enter without
the flap 2 being in the cavity.
[0067] Dividing the corner protector and the stop in two separate elements engaging each
other for providing the corner protector with stop, the advantage may also be to be
able to more freely shape the stop, and during use of the corner protector, to more
freely position the stop with respect to the frame corner.
[0068] According to a possible embodiment, the first element is constituted by a wavelike
shape, such as serrated, extending outwards from the frame engaging surface, and said
plurality of first elements extending along a straight line, said line of first elements
extending from a border of the frame enclosing surfaces, and wherein said second elements
is constituted by a wavelike shape complementary to said wavelike shape of the first
elements.
[0069] The corner protector is preferably made from plastic, such as polyethylene or polypropylene.
Plastic may be manufactured having a sufficient structural strength, the lifetime
and durability may be higher than that of, e.g., cardboard, and the environmentally
sustainability may be increased by using recycled plastic.
LIST OF ELEMENTS
[0070]
- 1. Corner protector
1A. Front frame enclosing surface
1B. Rear frame enclosing surface
1C. Side surface
1D. Side surface
1E. Top edge
1F. First side edge
1G. Second side edge
1H. Third side edge
1I. Fourth side edge
- 2. Flap
2A. First flap border
2B. Second flap border
2C. Third flap border
2D. Fourth flap border
2E. Fifth flap border
2F. Elongate direction
2G. Hole(s)
- 3. Stop
3A. First wall
3B. Second wall
3C. Abutting edge
3D. Abutting angle
3E. First element(s)
3F. Second element
- 4. Pin
4A. Head
4B. Elongate axis
- 5. Frame
5A. Inner border
5B. Outer border
5C. Inner corner edge
5D. Corner area
5E. Front side of frame
5F. Rear side of frame
5G. Width of the top and bottom part of the frame
5H. Width of the left and right part of the frame
1. Corner protector comprising opposite front and rear frame enclosing surfaces, side
surfaces between the opposite front and rear frame enclosing surfaces, side edges
of the opposite front and rear frame enclosing surfaces and forming connections between
the opposite front and rear frame enclosing surfaces and the side surfaces, and a
top edge placed at the top between the opposite front and rear frame enclosing surfaces,
and
- wherein the front and rear frame enclosing surfaces and the side surfaces form a
cavity which in use embrace the corner area of a frame, and wherein the corner protector
furthermore comprises
- at least one flap extending outwards from a side edge of one of the front and rear
frame enclosing surfaces, said side edge being opposite to the top edge,
- said flap in use extending inwards from the side edge of the frame enclosing surface
and towards the top edge, and
- said flap comprising at least one stop extending outwards from the flap and said
stop extending into the cavity formed by the front and rear frame enclosing surfaces
and the side surfaces, and where
- at least one stop is comprised within borders of the flap.
2. Corner protector according to claim 1, wherein the at least one stop has a first wall
and a second wall, said first and second walls extending from the flap, said walls
forming an abutting edge and said walls abutting each other along the abutting edge
and forming an angle at the most 90 degrees, said abutting edge in use of the corner
protector is directed towards the top edge, and said abutting edge of the stop in
use engaging the inner border of the frame.
3. Corner protector according to claim 1, wherein the at least one stop is constituted
by a pin extending from the flap, said pin extending with an elongate axis of the
pin forming an angle of approximately 90 degrees with a surface of the flap and from
which the pin extends, and said pin in use of the corner protector engaging the inner
border of the frame.
4. Corner protector according to claim 3, wherein the flap is provided with at least
one hole, and wherein the pin in use is inserted into one of said holes.
5. Corner protector according to claim 4, wherein the flap is provided with a plurality
of holes extending through the flap, said plurality of holes extending along a straight
line, and wherein the pin in use is inserted into one of said plurality of holes.
6. Corner protector according to claim 1, wherein the flap is provided with at least
one stop embedded in the flap, and wherein the stop in use is capable of being placed
is in position extending outwards from the flap.
7. Corner protector according to claim 6, wherein the flap is provided with a plurality
of stops embedded in the flap, said plurality of stops extending along a straight
line, and wherein at least one of the stops in use is in position extending outwards
from the flap.
8. Corner protector comprising opposite front and rear frame enclosing surfaces, side
surfaces between the front and rear frame enclosing surfaces, side edges of the front
and rear frame enclosing surfaces and forming connections between the front and rear
frame enclosing surfaces and the side surfaces, and a top edge placed at the top between
the front and rear frame enclosing surfaces, and wherein the front and rear frame
enclosing surfaces and the side surfaces form a cavity which in use embrace the corner
area of a frame, and wherein at least one of the frame enclosing surfaces is provided
with a first element and a second element for engaging said first element, where said
first and second element in use are constituting a stop engaging the inner border
of the frame.
9. Corner protector according to claim 8, wherein the frame enclosing surfaces is provided
with a plurality of first elements, and wherein the corner protector furthermore comprises
a second element for engaging one of said plurality of first elements, where said
plurality of first elements and said second element in use are constituting an adjustable
stop engaging the inner border of the frame.
10. Corner protector according to claim 9, wherein the plurality of first elements is
constituted by a plurality of holes extending along a straight line, said line of
holes extending from a border of the frame enclosing surfaces, and wherein the second
element is constituted by a pin, said pin and said line of holes constituting the
stop and said pin in use being inserted into one of said plurality of holes.
11. Corner protector according to claim 9, wherein the plurality of first elements is
constituted by a wavelike shape extending outwards from the frame engaging surface,
and said plurality of first elements extending along a straight line, said line of
first elements extending from a border of the frame enclosing surfaces, and wherein
said second element is constituted by a wavelike shape complementary to said wavelike
shape of the first elements.
12. Corner protector according to claim 9, wherein the at least one frame enclosing surface
is provided with a plurality first elements consisting of holes extending along a
straight line, said line extending from a border of the frame enclosing surfaces,
and wherein the second element is constituted by a pin, said pin and said plurality
of holes on a line constituting an adjustable stop and said pin in use being inserted
into one of said plurality of holes.
13. Corner protector according to claim 8, wherein the first element and the second element
are embedded in at least one of the frame enclosing surfaces, and wherein said second
element in use can be de-embedded by deformation of said first elements so that the
second element extends outwards from the frame enclosing surface, the first and second
element thereby constituting a stop when the second element is de-embedded.
14. Corner protector according to claim 13, wherein the at least one frame enclosing surface
is provided with a plurality of said embedded first elements and second elements.
15. Corner protector according to any of the preceding claims, wherein the corner protector
is made from plastic, such as polyethylene or polypropylene, possibly having surfaces
which are wholly or partially transparent.