[0001] The present invention refers to fittings for frames and to be more particular to
a stop device for doors and windows when partially or totally open.
[0002] A stop device which can be fitted to at least a hinge of a door or window and works
as an adjustable brake to stop the frame in any partially or totally open position
has already been proposed. Such a device is not suitable for a good fitting to all
types of door hinges.
[0003] The space between the hinge and the jamb or case to which the stop is anchored often
varies considerably from contruction to construcion of a door and window frame. The
problem to solve is thus to produce a stop which can be adapted to any installation
condition.
[0004] The present invention aims to solve this problem through a new and original manufacture
and combination of the components of the stop device and especially due to a running
and self-adjustable fit between a part of the stop device designed to rotate with
the hinge and a striker plate to be fixed to the case of the frame. Such a running
fit is forseen in order to allow for a positioning of the rotating part of the device
in an orthogonal direction to the surface of the case to which the striker plate is
fitted, thus permitting a self-adjustment of the device to any existing space between
the hingee and the case and the device therefore becoming universal.
[0005] The here proposed stop device is substantially in accordance with claim 1.
[0006] An advantageous variant of the embodiment of the proposed device is the extreme simplicity
of construction and that there is no component which needs to be fixed apart from
the hinge and thus is easy to be applied even without removing the door from the hinges.
The stop device can therefore be fitted and constrained exclusively to the hinges
and can even be fixed and used where the space between the hinge and the case is narrow
and difficult to get to.
[0007] The attached drawings illustrate examples of embodiments of the invention and more
precisely:
Fig. 1 is part of a door with a hinge having a device;
Fig. 2 is a prospective exploded view of the device in accordance with the invention;
Fig. 3 is a prospective view of the assembled device fitted to the hinge;
Fig. 4 is an axial section view of the device;
Fig. 5 is part of a door with a hinge having a stop device constituting a variant
of the invention;
Fig. 6 is an exploded prospective view of the variant of the device;
Fig. 7 is an axial section view of the device in Fig. 6 when assembled;
Fig. 8 is a partial section external view of the device in Fig. 7; and
Fig. 9 is a transversal section view on the arrows IX-IX in Fig. 7.
[0008] Said drawings show part of a door (10) with a relative hinge (11) to which the stop
device (12) is fitted in accordance with the invention.
[0009] The hinge (11) usually has a stationary component (13) which is applied through a
shank (13a) to the case (10a) of the frame and a rotating component (14) which is
rotatingly applied to the stationary one and constrained to the door (10) for its
opening and closing movements through a lateral shank (14a).
[0010] The embodiment in Figs. 1-4 show the stop device (12) having a rotating element (15),
a striker plate (16) and an intermediate friction joint (17) connecting the rotating
element (15) to the fixed one (16).
[0011] The rotating element (15), in the shape of a sleeve, is splined to and simultaneously
rotates with the rotating element (14) of the hinge. It is coaxially assembled on
said hinge component and has one lateral slit (15a) which couples with its shank (14a).
The rotating element (15) has an internal cone-shaped slot (15b) at a different height
to the one which holds the rotating component of the hinge.
[0012] The striker plate (16) in the form of a disk has a slit (16a) which is either radially
open or closed, that is to say a slot, and has a tab (16b) on its back with holes
(16c) for screws (18) to fix the element itself to the case (10a) of the frame.
[0013] The intermediate friction joint (17) is made up of a cone-shaped body (19), a splining
ring (20) and an adjustable blocking screw (21).
[0014] The cone-shaped body (19) is completely inserted into the cone-shaped slot (15b)
of the rotating element (15) and protrudes from the latter with a tapered end which
has a polygonal area (19a) or is fitted with a splinging tab.
[0015] The polygonal area (19a), or the tab, couples to a corresponding seat (20a) formed
on the base of the splining ring (20) so that the two elements can rotate in respect
to each other. The blocking screw (21) axially crosses the splining ring (20) and
screws in a hole (19b) formed in the cone-shaped body (19). The screw (21) is thus
used to axially constrain the cone-shaped body (19) to the splining ring (20).
[0016] Furthermore, seeing that the splining ring (20) rests on the rotating element (15),
it is possible to adjust the coupling pressure between said body and the cone-shaped
slot (15b) into which it is inserted by tightening or loosening the screw (12) in
relation to the bottom. It is therefore possible to adjust the friction level, that
is to say of stopping, but always giving the element (15) the possibility of rotating
with the hinge component (14) and relatively to the cone-shaped body (19) and to the
splining ring (20) which remain stationary.
[0017] The splining ring (20) has infact a shank on the opposite surface to the one coupled
with the cone-shaped body (19). Said shank is inserted in the slot (16a) of the striker
plate (16) fitted to the case (10a) in order to prevent the rotation of the ring itself.
[0018] Figs. 3 and 4 show the coupling of various elements and how the device can prevent
the rotation of the door due to the friction developed by the cone-shaped body (17)
in the rotating element (15). It can also be appreciated how the coupling of the shank
(20b) of the splining ring (20) with the slot (16a) of the fixed element (16) allows
for the assembling and use of the device on the hinge whatever the space (d) between
the case (10a) and the axis of the hinge itself may be.
[0019] The variant illustrated in Figs. 5 and 9, the equivalent elements and/or components
of which have the same reference numbers, has a striker plate (16) which is not constrained
to the case but an anchorage element (25) is added.
[0020] Thus, the rotating element (15) in the shape of a sleeve, is splined and simultaneously
rotates with the rotating component (14) of the hinge and completely delimits a cone-shaped
slot (15b) at a different height to the one holding the rotating component of the
hinge.
[0021] The anchorage element (25) is in the form of a cap placed at the end of the rotating
element (15).
[0022] It is fitted to the stationary element (13) of the hinge (11) in order to become
splined seeing that the anchorage element has a lateral slit (25a) which couples with
the lateral shank (13a) of said component (13) of the hinge.
[0023] The anchorage element (25) and the striker plate (16) are on the axis and on opposite
ends of the rotating element (15).
[0024] Each one has a lateral protrudance (125, 116) which respectively have an opening
(125a, 116a). The anchorage element (25) and the striker plate (16) are joined to
each other through a blade (117) inserted and blocked in the openings (125a, 116a)
and extend from one side of the rotating element (15). The two elements (125, 116)
are thus integrated to each other and are both fixed to the stationary component (13)
of the hinge whilst the rotating element (15) is fixed and can rotate with the movable
component (14) of the hinge.
[0025] The joining blade (117) can be an element by itself and can be reproduced as shown
in the drawing even if this does not exlude that the blade can be integrally formed
with one of the two elements (125 and 116) and engage in an opening formed in the
other element.
[0026] The friction joint (17) is the same as the one described in relation to Figs. 1,
4 and therefore has a cone-shaped body (19) which is inserted in the cone-shaped slot
(15b) of the rotating element (15) and protrudes from the latter with a tapered end
which has a polygonal area (19a) or is fitted with a splining tab.
[0027] The polygonal area (19a), or the tab, couples to a corrisponding seat (20a) formed
at the base of the striker plate (16), and the blocking screw (21) axially crosses
said element and screws in a hole (19b) formed in the cone-shaped body (19). It is
possible to adjust the coupling pressure between the cone-shaped body (19) and the
cone-shaped slot (15b) into which it is inserted by tightening or loosening the screw
(21) in relation to the bottom. It is therefore possible to adjust the friction level,
that is to say of stopping, but always giving the element (15) the possibility of
rotating with the hinge component (14) and relatively to the cone-shaped body (19)
and to the striker plate (16) which remain stationary seeing that they are constrained
to the stationary component (13) of the hinge through the anchorage element (25).
[0028] Figs. 7 and 8 show the coupling of the various elements and how the device can block
the rotation of the door because of the friction developed by the cone-shaped body
(17) in the rotating element (15).
1) A door and window stop device for any partially or totally open position which is
fitted to hinges each having a stationary component constrained to the case and a
rotating component constrained to the door of the frame, the device having a rotating
element (15) splined to the rotating component of the hinge, a striker plate (16)
and an intermediate friction joint (17) for the coupling of said rotating element
(15) and striker plate (16), characterized in that the striker plate (16) is fixed
to the case of the frame and in that the intermediate friction joint (17) couples
with said striker plate (16) without rotating but with the possibility of being positioned
in an orthogonal direction to the surface of the case to which the fixed element is
fitted in order to adjust the space between said case and the axis of the hinge.
2) A device in accordance with claim 1, characterized in that the striker plate (16)
has a tab (16b) on its back with holes (16c) for screws (18) so as to be fixed to
the case and has an open or closed slit (16a) which extends in an orthogonal direction
to said tab.
3) A device in accordance with claims 1 and 2, characterized in that the rotating element
(15) which is splined to the rotating component of the hinge has an axial cone-shaped
slot (15b), in that the intermediate friction joint (17) has a cone-shaped body (19)
which is inserted in said cone-shaped slot (15b), a splining ring (20) which rests
on the rotating element (15) and couples without rotating with the cone-shaped body
(19) and a screw (21) for the axial fitting of the cone-shaped body to said ring and
for the adjustable friction blocking of said cone-shaped body in the cone-shaped slot
of said rotating element (15), and in that said splining ring (20) has a shank (20b)
which is inserted in the slot (16a) of the striker plate (16) constrained to the case.
4) A door or window stop device for any partially open or closed position fitted to
hinges, each having a stationary component (13) which is constrained to the case and
a rotating component which is constrained to the door of the frame, the device having
a rotating element (15) splined to the rotating component of the hinge, a striker
plate (16) and a friction joint (17) placed between said rotating element (15) and
striker plate (16), characterized in that an anchorage element (25) is splined to
the stationary component (13) of the hinge on the axis and on one side of the rotating
element (15), in that the striker plate (16) is placed on the axis and on the other
side of the rotating element, said anchorage element (25) and said striker plate (16)
being fixed to each other, and in that the friction joint (17) is placed between the
rotating element (15) and said striker plate (16), said friction joint being made
from a cone-shaped body (19) inserted in a cone-shaped slot (15b) formed in said rotating
element (15) and is coupled to said striker plate (16) without rotating and from a
screw (21) to axially fit the cone-shaped body (19) to said striker plate (16) and
to block said cone-shaped body (19) in said cone-shaped slot (20) through adjustable
friction.
5) A device in accordance with claim 4, characterized in that said anchorage element
(25) and said striker plate (16) are axially placed on opposite sides of the rotating
element (15) and tightly joined to each other through a blade (117) which parallely
extends on the outside of said rotating element.
6) A device in accordance with claim 5, characterized in that said blade (117) is inserted
and blocked in openings (125a, 116a) formed on one part of the anchorage element (25)
and the striker plate (16), said openings being formed in lateral protrudances of
said elements.
7) A device in accordance with claim 5, characterized in that said blade (117) is integral
with one of said anchorage elements (25) and striker plate (16) and is inserted and
blocked in an opening formed in the other said element.