[0001] The present invention relates to cots and playpens for children, and in particular
travel cots or playpens.
[0002] Conventional travel cots are foldable, so that the cot can be collapsed when not
in use. Generally they are rectangular in shape, comprising four corner legs and collapsible
top and bottom frame assemblies, whereby the cot can be folded to a compact configuration
for storage and portability. Travel cots are often used also as playpens.
[0003] The cot walls are usually made of fabric. To attach the cot walls to the cot frame,
the walls usually have an elongate tube of fabric attached along each corner. Each
fabric tube can receive a corner leg of the frame, to secure the cot walls to the
frame.
[0004] According to the invention, there is provided a cot comprising a support frame, a
wall, and at least one attaching means for connecting the wall to the support frame,
the attaching means comprising an elongate member and a corresponding groove in the
support frame, the elongate member being fixed to the wall and located in the groove.
[0005] According to another aspect of the invention, there is provided an intermediate connection
means for connecting a cot wall to a cot frame, the intermediate connection means
comprising an elongate member, the elongate member being attachable to the cot wall
and insertable in a corresponding groove in the cot frame.
[0006] According to another aspect of the invention, there is provided a method of attaching
a cot wall to a cot frame, the method comprising the steps of attaching an elongate
member to the cot wall and inserting the elongate member in a corresponding groove
in the cot frame.
[0007] An advantage of the present invention is the improved attachment of the cot walls
to the cot frame, allowing the cot to withstand strong loads without the walls becoming
detached from the support frame.
[0008] A cot or playpen embodying the invention will now be described, by way of example,
with reference to the drawings, in which:
Figure 1 is a diagrammatic perspective view of a cot of the present invention;
Figure 2 is a cross-sectional view of an embodiment of the cot showing one corner
of the cot;
Figure 3 is a cross-sectional view of the vertical support bar of figure 2;
Figure 4 is a diagrammatic perspective view of the one of the vertical support members,
showing the attachment to the intermediate connection.
[0009] Referring to figure 1, the cot 10 of the present invention has four vertical support
members 20 and a cot wall comprising four fabric side walls 30. Each of the vertical
support members 20 is connected to the side walls via intermediate connection members
11, which act as attaching means for attaching the walls to the cot frame.
[0010] Referring to figure 2, one of the vertical support members 20 is shown, connected
to two of the side walls 30, using an intermediate connection member 11. Each of the
side walls 30 of the cot comprises a separate rectangular piece of fabric. The intermediate
connection member 11 consists of a cord 13 wrapped in a cover 12, forming a long cylindrical
portion (the cord 13) with an extending planar portion 14. The cover 12 is an elongate
rectangular piece of flexible PVC or strong fabric.
[0011] Preferably the cover is extruded around the cord so that the cord is disposed in
the cover, with its axis parallel to the long axis of the cover. Alternatively the
cover is wrapped around the cord and glued to the cord. The overlapping edges of the
cover are glued to each other. The cord is a flexible, fibrous cord or rope. A rod
of plastic (such as extruded plastic) or metal could of course be used in place of
the cord and preferably the rod would be made of a flexible material. The rod would
preferably have a uniform cross-section, and is preferably cylindrical, but a rod
of non-circular cross-sectional shape could be used.
[0012] The edge of each of the side walls 30 is stitched onto the planar part 14 of the
intermediate connection member 11, one on each side of the cover 12, such that the
edge of the side walls 30 and the planar part 14. The side walls 30 are secured to
the intermediate connection member 11 by a seam of stitching 21. The fabric of the
side walls 30 could alternatively be glued onto the planar part of the intermediate
connection member 11. The cot walls 30 can be attached to the intermediate connection
members 11 in a different manner from that shown in figure 2. For example, the four
cot walls 30 may be formed from a continuous piece of fabric, the four intermediate
connection members being glued or stitched to the outside surface of the fabric at
the required locations.
[0013] Referring to figure 3, the vertical support bar 20 is a hollow, cylindrical, extruded
tube. The bar 20 has a groove 23 along its axis, on one side of the bar, such that
the bar 20 has a lune-shaped cross-section. The groove 23 has a circular cross-section.
The cross-section of the groove 23 is just larger than the cross-section of the cord
part 13 of the intermediate connection member 11. The width W of the opening of the
groove is narrower than the cord's cross-sectional diameter. The cord part 13 of the
intermediate connection member 11 can therefore be inserted in the end of the vertical
support bar 20, and is retained in the groove 23 by the opening. The diameter of the
cord 13 is larger than the width W of the opening, so that the cord 13 is retained
in the groove 23.
[0014] To attach the intermediate connection member 11 to the vertical support bar 20, one
end of the cord part 13 can be inserted into the groove 23, at the end of the bar
20. The cord part 13 of the intermediate connection member 11 can then be fed along
the groove 23.
[0015] The cord 13 is flexible, therefore it can easily be inserted in the groove 23 of
the vertical support bar 20. The cord 13 has a high tensile strength along its length,
therefore it can withstand the loads exerted on it due to a child standing or jumping
up and down inside the cot. When a child is in the cot, forces are also exerted on
the cord 13 perpendicular to its length, tending to pull the cord against the sides
of the opening. The cord 13 is able to withstand these forces due to its compressive
strength perpendicular to its length, and therefore the cot can withstand reasonable
loads without risk of the cot walls becoming detached from the frame. The opening
in the bar 20 must also be sufficiently strong and rigid, so that it does not deform
and allow the cord 13 to come out of the opening, when forces are exerted on it.
[0016] Preferably the diameter of the cord part 13 of the intermediate connection member
and the diameter of the corresponding groove 23 in the bar 20 are such that the cord
13 fits firmly in the groove 23, and there is friction control during fitting of the
connection member in the groove.
[0017] Referring to figure 4, one vertical support bar 20 is shown, with two side walls
30 attached, via the intermediate connection member. The planar part 14 of the intermediate
connection member is visible, as is the line of stitching 21. A corner cover 50 can
be secured to the top end of each vertical support bars 20. This can be used to ensure
that the cord 13 cannot slide out of the top of the groove 23. Similarly, at the bottom
of each vertical support member there is a foot 24 (shown in figure 1), which supports
the cot and also prevents the cord 13 from sliding out of the bottom end of groove
23. Means (not shown) may be provided for securing the top of the intermediate connection
member 11 to the top of the bar 20, so that the cord 13 does not slide down the groove
23 when a child is placed in the cot.
[0018] Referring to figures 1 and 4, through using an intermediate connection member 11,
having an extending planar part 14, to attach the cot walls to the vertical support
bars 20, the bars 20 are located a distance d away from the inner vertical edges of
the cot 31. In this way, a baby placed in the cot is protected from banging against
the bars 20, and injuring itself. When a baby is in the cot, if the baby touches or
bangs against the inner walls or inner edges of the cot, the baby will not come into
contact with the vertical support bars 20.
[0019] Intermediate connection members may be used to attach the cot walls 30 to the upper
and lower horizontal bars in the cot support frame, as well as to the vertical support
bars. Each of the horizontal bars in the frame will have a groove into which intermediate
connection means are inserted, to secure the fabric of the cot to the frame. Use of
intermediate connection members provides a strong connection between the fabric cot
walls and the support frame. This allows the cot fabric to withstand greater loads
without becoming detached from the frame.
[0020] The intermediate connection means described could be used to attach the cot walls
to any type of cot frame. Grooves could be included in the support members of any
type of cot frame, for insertion of the intermediate connection means, to attach the
cot walls to the frame.
1. A cot comprising a support frame, a wall, and at least one attaching means for connecting
the wall to the support frame, the attaching means comprising an elongate member and
a corresponding groove in the support frame, the elongate member being fixed to the
wall and located in the groove.
2. A cot according to claim 1 wherein the wall comprises a plurality of sides, the sides
meeting at a corresponding number of corners, each of the corners having at least
one elongate member attached along it.
3. A cot according to any preceding claim wherein the elongate member includes a planar
part and an enlarged part, the enlarged part being located in the corresponding groove
in the frame.
4. A cot according to claim 3 wherein the enlarged part is rod shaped.
5. A cot according to either of claims 3 or 4 wherein the planar part is attached to
the wall by stitching.
6. A cot according to any preceding claim wherein the cot wall is fabric.
7. A cot according to any preceding claim wherein at least part of the elongate member
is rod-shaped.
8. A cot according to any preceding claim wherein the groove has an opening, the width
of the opening being narrower than the cross-section of at least part of the elongate
member such that at least part of the elongate member is retained in the groove.
9. An intermediate connection means for connecting a cot wall to a cot frame, the intermediate
connection means comprising an elongate member, the elongate member being attachable
to the cot wall and insertable in a corresponding groove in the cot frame.
10. A method of attaching a cot wall to a cot frame, the method comprising the steps of
attaching an elongate member to the cot wall and inserting the elongate member in
a corresponding groove in the cot frame.