GB2310453A - Locking mechanisms for slidable doors or windows - Google Patents

Locking mechanisms for slidable doors or windows Download PDF

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Publication number
GB2310453A
GB2310453A GB9625427A GB9625427A GB2310453A GB 2310453 A GB2310453 A GB 2310453A GB 9625427 A GB9625427 A GB 9625427A GB 9625427 A GB9625427 A GB 9625427A GB 2310453 A GB2310453 A GB 2310453A
Authority
GB
United Kingdom
Prior art keywords
slidable
catch
socket
slider
window
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB9625427A
Other versions
GB9625427D0 (en
Inventor
Andreas Costantinides
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
A C TECHNOMETAL Ltd
Original Assignee
A C TECHNOMETAL Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by A C TECHNOMETAL Ltd filed Critical A C TECHNOMETAL Ltd
Publication of GB9625427D0 publication Critical patent/GB9625427D0/en
Publication of GB2310453A publication Critical patent/GB2310453A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00Accessories in connection with locks
    • E05B17/0041Damping means
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/02Striking-plates; Keepers; Bolt staples; Escutcheons
    • E05B15/0205Striking-plates, keepers, staples
    • E05B15/022Striking-plates, keepers, staples movable, resilient or yieldable
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use
    • E05B65/08Locks or fastenings for special use for sliding wings
    • E05B65/087Locks or fastenings for special use for sliding wings the bolts sliding parallel to the wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/02Striking-plates; Keepers; Bolt staples; Escutcheons
    • E05B15/0205Striking-plates, keepers, staples
    • E05B15/024Striking-plates, keepers, staples adjustable
    • E05B15/0245Movable elements held by friction, cooperating teeth, or the like

Landscapes

  • Casings For Electric Apparatus (AREA)

Abstract

A locking mechanism for a slidable door or window. The mechanism having a catch (4) which is manually adjustable in the direction of sliding of the door/window, by means of ratchet teeth (6) clamped in position by a bolt (7), to ensure that the door/window is locked tightly in place when the latch is in the engaged condition. Independently, the mechanism comprises a two part socket (16,17) resiliently biased away from one another so as to absorb any impact between the catch (4) and socket. Independently also, the catch (4) is provided on a slider (3) which, when the catch is in its locked position, prevents vertical movement of the door/window and also prevents the catch from being moved away from the locked position until the slider is depressed against the action of a spring. The slider is locked in the engaged condition by the engagement of a lower flange (11) with a stop (10) under the biass of spring (13).

Description

A LOCKING MECHANISM FOR A SLIDABLE MEMBER The present invention relates to a locking mechanism for a slidable member which is slidable with respect to a fixed member, the mechanism comprising a catch on one of the slidable and fixed members, and a socket on the other of the slidable and fixed members, the catch being slidable into locking engagement with the socket. Such a mechanism will be referred to as of the kind described.
A locking mechanism of the kind described is generally used for locking a sliding door or window. Such a mechanism suffers from a number of problems. Firstly, if the locking mechanism is a poor fit, the door or window does not lock precisely within the frame so that sound and heat insulation are adversely affected. Secondly, if the door/window is closed with the catch in its locked position, the catch will collide with the socket thereby damaging the catch and socket. Thirdly, if the door/window is locked in a position where the door/window can still be moved up or down, it is possible for this movement to unlock the door/window.
According to a first aspect of the present invention, in a locking mechanism of the kind described, the catch is adjustable in the direction in which the slidable member slides to ensure that the slidable member can be locked to the fixed member without a gap therebetween. The position of the catch can therefore be adjusted according to the specific requirements of each door/window, to ensure that the door/window is always tightly closed.
According to a second aspect of the present invention, in a locking mechanism of the kind described, the socket is formed of two pieces, one of which is attachable to the other of the slidable and fixed members, and the other of which receives the catch, and is resiliently retained within the first piece.
Thus, if the catch strikes the socket when the door/window is being closed, the impact will be absorbed by the resilience between the two pieces. The resilience is preferably provided by one or more springs between the two pieces.
According to a third aspect of the present invention, in a locking mechanism of the kind described, the catch is connected to a slider which allows the catch to be slid into locking engagement with the socket, wherein, upon locking engagement of the catch with the socket, the slider is urged by a biasing means against a stop to prevent movement of the catch away from the socket and of the slidable member perpendicular to its direction of sliding, so that the slider must be depressed against the action of the biasing means to release it from the stop, and hence to unlock the slidable member.
Such an arrangement ensures that, as soon as the door/window is locked, it cannot be moved vertically, and therefore cannot be unlocked until the slider is released from the stop.
An example of the locking mechanism constructed in accordance with the present invention will now be described with reference to the accompanying drawings, in which: Fig. 1 shows the mechanism in an unlocked configuration with the socket shown in cross section; Fig. 2 is a view similar to the upper part of Fig. 1 with the locking mechanism in locked configuration and showing a hidden part of the catch 4 in broken lines; Fig. 3 is an enlarged view of the socket as shown in Figs. 1 and 2; Fig. 4 is a cross sectional view through the slider, with the locking mechanism in a locked configuration; Fig. 5 is a view similar to the lower part of Fig. 4 with the locking mechanism in an unlocked configuration and Fig. 6 shows a detail of the engagement between the catch and slider.
The locking mechanism consists of a main body 1 which is fixed to a sliding member such as a door or window. The main body 1 has a slider 3 which is attached a catch 4, allowing the catch to be moved. The catch 4 is retained by the slider 3 by complementary teeth 6 as shown in Figs. 2 and 6. The catch 4 is retained in place by a nut 5 and screw 7. By loosening the screw 7 and nut 5, the catch 4 can be moved in the left/right direction in Fig. 2 which corresponds to a direction perpendicular to the plane of the paper for Fig. 4 by one or more tooth positions. The screw 7 and nut 5 are then tightened with the catch 4 in an adjusted position.
In the lower part of the main body 1 is a plastic stopper 8 having a recess 9 which receives the lower end of the slider, and defines an upper lip 10 which terminates just short of an upper lip 11 on the main body 1. The slider 3 is biased to the left in Fig. 4 by a spring 13 which acts against a member 14 in the main body 1. The main body 1 is fixed to the door or window using a clamp 15 at either end of the main body. As can be seen from Figs.
4 and 5, when the slider 3 is moved upwardly to bring the catch 4 into locking engagement with the socket, the lower end of the slider is slid out of the recess 9, and, once it is above the lip 10, it is urged outwardly by the spring 13 into the position shown in Fig. 4. It will be appreciated from this that the door or window is prevented by the slider 3 from moving vertically, and that the mechanism cannot be unlocked until the slider 3 is pressed inwardly against the action of the spring 13 to allow the slider to slide downwardly into the recess 9.
The socket shown in Figs. 1 to 3 is made up of a first piece 16 and a second piece 17 which has an aperture 18 for receiving the catch 4. The two pieces 16, 17 are resiliently biased away from each other by a pair of springs 19 and the second piece 17 is retained in the first piece 16 by virtue of a frame 20. The first piece 16 is attached to the frame by a pair of screws 21, 22. If the door or window is closed with the catch 4 already in the locked position, it is apparent that the catch 4 will collide with the second piece 17, but that this impact will be absorbed by the springs 19.

Claims (4)

1. A locking mechanism for a slidable member which is slidable with respect to a fixed member, the mechanism comprising a catch on one of the slidable and fixed members, and a socket on the other of the slidable and fixed members, the catch being slidable into locking engagement with the socket, and being adjustable in the direction in which the slidable member slides to ensure that the slidable member can be locked to the fixed member without a gap therebetween.
2. A locking mechanism for a slidable member which is slidable with respect to a fixed member, the mechanism comprising a catch on one of the slidable and fixed members, and a socket on the other of the slidable and fixed members, the catch being slidable into locking engagement with the socket, the socket being formed of two pieces, one of which is attachable to the other of the slidable and fixed members, and the other of which receives the catch, and is resiliently retained within the first piece.
3. A locking mechanism according to claim 2, wherein the resilience is provided by one or more springs between the two pieces.
4. A locking mechanism for a slidable member substantially as described with reference to the accompanying drawings.
4. A locking mechanism for a slidable member which is slidable with respect to a fixed member, the mechanism comprising a catch on one of the slidable and fixed members, and a socket on the other of the slidable and fixed members, the catch being slidable into locking engagement with the socket, and being connected to a slider which allows the catch to be slid into locking engagement with the socket, wherein, upon locking engagement of the catch with the socket, the slider is urged by a biasing means against a stop to prevent movement of the catch away from the socket and of the slidable member perpendicular to its direction of sliding, so that the slider must be depressed against the action of the biasing means to release it from the stop, and hence to unlock the slidable member.
GB9625427A 1995-12-06 1996-12-06 Locking mechanisms for slidable doors or windows Withdrawn GB2310453A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR950200290U GR2001772Y (en) 1995-12-06 1995-12-06 Safety lock for sliding doors

Publications (2)

Publication Number Publication Date
GB9625427D0 GB9625427D0 (en) 1997-01-22
GB2310453A true GB2310453A (en) 1997-08-27

Family

ID=10942285

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9625427A Withdrawn GB2310453A (en) 1995-12-06 1996-12-06 Locking mechanisms for slidable doors or windows

Country Status (2)

Country Link
GB (1) GB2310453A (en)
GR (1) GR2001772Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR980100267A (en) * 1998-07-09 2000-03-31 Built-in security lock with double security bolt
FR2784132A1 (en) * 1997-04-03 2000-04-07 Ferco Int Usine Ferrures Locking fitting for sliding door leaf
EP1258582A1 (en) * 2001-05-15 2002-11-20 Ferco International Ferrures et Serrures de Bâtiment Société par actions simplifiée Latch assembly, especially for sliding wings
EP1288405A1 (en) * 1997-04-03 2003-03-05 Ferco International Ferrures Et Serrures De Batiment Lock mechanism for a sliding window, door, or the like
CY2516B1 (en) * 2004-12-29 2006-02-08 A C Technometal Ltd

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1528281A (en) * 1975-02-05 1978-10-11 Yoshida Kogyo Kk Pair of closures having meeting stiles in combination with an adjustable catch assembly
GB2007752A (en) * 1977-10-07 1979-05-23 Shaw Mfg Ltd Locks including strikers
EP0044264A1 (en) * 1980-07-11 1982-01-20 FERCO INTERNATIONAL Usine de Ferrures de BÀ¢timent Société à responsabilité limitée Locking device for sliding window, door, or the like
EP0227567A1 (en) * 1985-11-15 1987-07-01 FERCO INTERNATIONAL Usine de Ferrures de BÀ¢timent Société à responsabilité limitée Fastener, especially for a sliding window
EP0273841A2 (en) * 1986-12-03 1988-07-06 FERCO INTERNATIONAL Usine de Ferrures de Bâtiment Société à responsabilité limitée dite: Striker for a sliding door, window or the like
GB2214560A (en) * 1988-01-25 1989-09-06 Randalls Of Paddington Lock keeps
EP0342164A2 (en) * 1988-05-09 1989-11-15 Nicoletti, Maria Device for closing shutters and the like
EP0546336A1 (en) * 1991-11-11 1993-06-16 SCHÜRING GMBH & CO. FENSTERTECHNOLOGIE KG Fastener for sliding doors and windows
GB2274874A (en) * 1993-02-08 1994-08-10 Dowell Australia A lockable sliding door or window fastening
US5342103A (en) * 1993-04-22 1994-08-30 Modern Metal Products, Inc. Striker bar assembly
EP0629760A1 (en) * 1993-06-16 1994-12-21 Rémy Fraigneau Locking device for sliding or similar frames
WO1996005392A1 (en) * 1994-08-08 1996-02-22 John Benjamin Evans A lock keep

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1528281A (en) * 1975-02-05 1978-10-11 Yoshida Kogyo Kk Pair of closures having meeting stiles in combination with an adjustable catch assembly
GB2007752A (en) * 1977-10-07 1979-05-23 Shaw Mfg Ltd Locks including strikers
EP0044264A1 (en) * 1980-07-11 1982-01-20 FERCO INTERNATIONAL Usine de Ferrures de BÀ¢timent Société à responsabilité limitée Locking device for sliding window, door, or the like
EP0227567A1 (en) * 1985-11-15 1987-07-01 FERCO INTERNATIONAL Usine de Ferrures de BÀ¢timent Société à responsabilité limitée Fastener, especially for a sliding window
EP0273841A2 (en) * 1986-12-03 1988-07-06 FERCO INTERNATIONAL Usine de Ferrures de Bâtiment Société à responsabilité limitée dite: Striker for a sliding door, window or the like
GB2214560A (en) * 1988-01-25 1989-09-06 Randalls Of Paddington Lock keeps
EP0342164A2 (en) * 1988-05-09 1989-11-15 Nicoletti, Maria Device for closing shutters and the like
EP0546336A1 (en) * 1991-11-11 1993-06-16 SCHÜRING GMBH & CO. FENSTERTECHNOLOGIE KG Fastener for sliding doors and windows
GB2274874A (en) * 1993-02-08 1994-08-10 Dowell Australia A lockable sliding door or window fastening
US5342103A (en) * 1993-04-22 1994-08-30 Modern Metal Products, Inc. Striker bar assembly
EP0629760A1 (en) * 1993-06-16 1994-12-21 Rémy Fraigneau Locking device for sliding or similar frames
WO1996005392A1 (en) * 1994-08-08 1996-02-22 John Benjamin Evans A lock keep

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2784132A1 (en) * 1997-04-03 2000-04-07 Ferco Int Usine Ferrures Locking fitting for sliding door leaf
EP1288405A1 (en) * 1997-04-03 2003-03-05 Ferco International Ferrures Et Serrures De Batiment Lock mechanism for a sliding window, door, or the like
GR980100267A (en) * 1998-07-09 2000-03-31 Built-in security lock with double security bolt
EP1258582A1 (en) * 2001-05-15 2002-11-20 Ferco International Ferrures et Serrures de Bâtiment Société par actions simplifiée Latch assembly, especially for sliding wings
CY2516B1 (en) * 2004-12-29 2006-02-08 A C Technometal Ltd
EP1676969A3 (en) * 2004-12-29 2008-04-23 A.C. Technometal Ltd. Catch locking mechanism featuring a key mechanism with lock failsafe system and high resistance against forced entry.

Also Published As

Publication number Publication date
GR2001772Y (en) 1996-04-23
GB9625427D0 (en) 1997-01-22

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)