GB2308404A - Sliding door or window lock - Google Patents

Sliding door or window lock Download PDF

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Publication number
GB2308404A
GB2308404A GB9526268A GB9526268A GB2308404A GB 2308404 A GB2308404 A GB 2308404A GB 9526268 A GB9526268 A GB 9526268A GB 9526268 A GB9526268 A GB 9526268A GB 2308404 A GB2308404 A GB 2308404A
Authority
GB
United Kingdom
Prior art keywords
locking
window
door
locking device
cover member
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.)
Granted
Application number
GB9526268A
Other versions
GB2308404B (en
GB9526268D0 (en
Inventor
Nigel Philip Shenton
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.)
PLUS PLAN
Original Assignee
PLUS PLAN
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 PLUS PLAN filed Critical PLUS PLAN
Priority to GB9526268A priority Critical patent/GB2308404B/en
Publication of GB9526268D0 publication Critical patent/GB9526268D0/en
Publication of GB2308404A publication Critical patent/GB2308404A/en
Application granted granted Critical
Publication of GB2308404B publication Critical patent/GB2308404B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
    • E05B17/2084—Means to prevent forced opening by attack, tampering or jimmying
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/0621—Details, e.g. suspension or supporting guides
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42—Sliding wings; Details of frames with respect to guiding
    • E06B3/46—Horizontally-sliding wings
    • E06B3/4609—Horizontally-sliding wings for windows
    • E06B3/4618—Horizontally-sliding wings for windows the sliding wing being arranged beside a fixed wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/08—Locks or fastenings for special use for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/0018—Anti-tamper devices
    • E05D11/0027—Anti-tamper devices arranged on or near the hinge and comprising parts interlocking as the wing closes, e.g. security studs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/148—Windows

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

A locking device for a sliding door or window, 3 mounted in a frame, 1 comprises a locking projection 12 fixedly secured to the frame, 1 and a retaining device 14 having an opening, 33 which is engaged by the projection (12, fig 3) when the door or window 3 is closed. The retaining device, 14 comprises a locking member, 30 provided with means for fixing to the door or window, 3 and having the opening, 33 at a terminal end thereof, and a cover member, 40 mounted to said locking member, 30 for limited sliding movement. The cover member, 40 has a further opening or recess (43, fig 4) corresponding to the opening, 33 in the locking member, 30 and is also provided with an aperture (42, fig 4) such that the cover member, 40 is moveable relative to the locking member, 30, from a first position in which the aperture, 42 exposes the means for fixing the locking member, 30 to the door or window, 3 to a second position in which the opening, 33 and the further opening or recess (43, fig 4) are in registration and the means for fixing the locking member, 30 to the door or window, 3 is concealed by the cover member, 40.

Description

Title: Improvements Relatmg to the Security of Doors and Wlndows This invention relates to improvements in security for sliding doors and windows, and in particular to an improved locking device useful on sliding patio doors.
Patio doors conventionally comprise a pair of fully glazed panels, one of which is fixedly mounted and the other of which slides between opened and closed positions. Such doors are notoriously weak points in the security of buildings, eg residential properties, in which they are installed. Irnprovements have been made to the locking systems fitted to the sliding panel at the edge which engages the door frame when the door is closed. However, security may nonetheless be compromised due to the possibility of the door being lifted off the track on which it slides, at the opposite side of the sliding panel, which is referred to in the following as the "free edge" of the sliding panel.
There has now been devised a locking device for a sliding door or window which improves the security of the door or window.
According to the invention, there is provided a locking device for a sliding door or window mounted in a frame, the locking device comprising a locking projection fixedly secured to said frame adjacent the free edge of said door or window and a retaining device extending from said free edge and having an opening which is engaged by said projection when said door or window is closed, wherein said retaining device comprises a locking member provided with means for fixing to said free edge of said door or window and having said opening at a terminal end thereof, and a cover member mounted to said locking member for limited sliding movement relative thereto, said cover member having at a terminal portion thereof a further opening or recess corresponding to the opening in the locking member and also being provided with an aperture such that the cover member is moveable relative to the locking member from a first position in which the aperture exposes the means for fixing the locking member to said door or window to a second position in which the opening and the further opening or recess are in registration and the means for fixing the locking member to the door or window is concealed by the cover member.
The locking device according to the invention is advantageous primarily in that it provides added security at the free edge of the sliding door or window, thereby preventing the door or window being lifted out of the frame. Because the means by which the locking member is fixed to the door or window is concealed, in normal use, by the cover member, it is difficult or impossible to remove the locking device from the door or window. When the window is closed, the projection engages in both the opening and the further opening or recess, thereby preventing the cover member being moved relative to the locking member, and thereby preventing the fixing means becoming exposed.
Preferably, the locking member and the cover member are slidably mounted to a base member.
The base member, locking member and cover member are preferably held together by fasteners, eg rivets, passing through suitably formed apertures. To permit limited sliding movement of the locking member and the cover member, the apertures in those components are preferably longitudinal slots. The slots in the cover member will generally be greater in length, eg twice the length, than those in the locking member.
The base member is conveniently formed as an upstanding limb of an L-shaped bracket, the other limb of which may be provided with fixing holes for fixing to the door or window.
The base member, locking member and cover member are conveniently formed of mild steel.
The locking projection is conveniently formed integrally with a block of mild steel which is fixed, eg by screws, to the frame.
The invention will now be described in greater detail, by way of illustration only, with reference to the accompanying drawings, in which Figure 1 is a schematic view of a patio door fitted with a locking device according to the invention; Figure 2 is a sectional view along the line Il-Il in Figure 1; Figure 3 is a side view of the locking device according to the invention; Figure 4 is an exploded front view of three plates forming part of the locking device according to the invention; Figure 5 shows a front view of the three plates in their final, fitted arrangement; and Figure 6 is a front view ofthe three plates in an intermediate arrangement adopted during fitting of the locking device.
Referring first to Figure 1, a patio door comprises a frame (1) within which are mounted a fixed glazed panel (2) and a sliding glazed panel (3). The sliding panel (3) can be moved by means of a handle (4) from an open position, in which the edge of the sliding panel (3) carrying the handle (4) is spaced from the adjacent edge of the frame (1), to the closed position shown in Figure 1, in which the edge of the sliding panel (3) carrying the handle (4) engages the adjacent edge of the frame (1). The sliding panel (3) is fitted with a generally conventional lock (not shown).
As shown in Figure 2, the sliding panel (3) slides on rollers (5), which are rotatably mounted at the underside ofthe sliding panel (3), along a track (6) which extends along a sill (7) fonning part ofthe frame (1).
A locking block (10) having a horizontally extending pin (12) formed integrally therewith is fixedly secured to the sill (7), eg by screws, inwardly of the track (6) and adjacent the free edge of the sliding panel (3) when the latter is in the closed position. In use, the pin (12) engages a retaining device (14) fitted to the corner of the sliding panel (3). As shown in Figure 3, the retaining device (14) comprises an L-shaped base member (15), the upstanding limb of which constitutes a base plate (20) to which are secured a locking plate (30) and a cover plate (40). The base plate (20), locking plate (30) and cover plate (40) are secured together by means of four rivets (for clarity, the rivets are omitted from all the Figures). As can be seen from Figure 4, the rivets pass through respective fixing holes (21) in the base plate (20), first longitudinal slots (31) in the locking plate (30) and second longitudinal slots (41) in the cover plate (40). The base plate (20), locking plate (30) and cover plate (40) are held together by the rivets sufficiently closely as to retain their mutual disposition under the influence of friction, but not so tightly as to prevent the locking plate (30) and cover plate (40) being slid relative to the base plate (20) and/or each other by the application of manual force. The extent to which the locking plate (30) may move relative to the base plate (20) is limited by the length of the first longitudinal slots (31).
Similarly, movement of the cover plate (40) relative to the base plate (20) is limited by the second longitudinal slots (41), the second longitudinal slots (41) being double the length of the first longitudinal slots (31).
The base plate (20) has a generally central fixing slot (22) of equal length to the first longitudinal slots (31) in the locking plate (30). The locking plate (30) has a fixing bore (32) which is in registration with the fixing slot (22) irrespective of the position of the locking plate (30) with respect to the base plate (20). The cover plate (40) has a generally central circular opening (42) which, by appropriate sliding movement of the cover plate (40), can be brought into registration with the fixing bore (32).
The locking plate (30) and the cover plate (40) have corresponding threaded bores (34,44 respectively) by which they may be fastened together.
Both the locking plate (30) and the cover plate (40) are longer than the base plate (20) and are provided at their lower ends with corresponding rectangular openings (33,43) which are dimensioned to receive the pin (12).
In use, the retaining device (14) is fixed to the lower corner of the free edge of the sliding panel (3) by means of screws passing through the horizontal limb of the retaining device (14). The block (10) is fixed to the sill (7) and, after installation of the sliding panel (3) in the frame (1), the sliding panel (3) is moved to the closed position. The positions of the locking plate (30) and cover plate (40) relative to the base plate (20) are adjusted until the pin (10) engages the rectangular openings (33,43). In this condition, the relative positions of the base plate (20), locking plate (30) and cover plate (40) are as shown in Figure 5. The sliding panel (3) is then moved from the closed position slightly, to disengage the pin (10) from the rectangular openings (33,43). The cover plate (40) is then raised relative to the locking plate (30) and base plate (20), to the position shown in Figure 6. In this position, the circular opening (42) is aligned with the fixing bore (32). A suitable fastener, eg a screw, is introduced through the fixing bore (32) and fixing slot (22) and engaged with the frame of the sliding panel (3). This fixes the position of the locking plate (30) relative to the base plate (20) and hence relative to the sliding panel (3).
The cover plate (40) is then slid downwards until the rectangular opening (43) in the cover plate (40) comes into registration with the rectangular opening (33) in the locking plate (30), ie the cover plate (40) is returned to the position shown in Figure 5. In this position, the fastener which was introduced through the fixing bore (32) is concealed by the cover plate (40). Finally, a grub screw is engaged with the threaded bore (44) in the cover plate (40) and the threaded bore (34) in the locking plate (30). This prevents further movement of the cover plate (40) relative to the locking plate (30).
When the sliding panel (3) is now moved to the closed position, the pin (12) engages in the rectangular opening (33,43) and prevents the sliding panel (3) being lifted off the track (6). Since the fastener is concealed by the cover plate (40), it is difficult or impossible to release the locking bracket (14) from the pin (12). Even if the grub screw is removed from the threaded bores (34,44), the cover plate (40) cannot be moved since it is retained by the pin (12).

Claims (10)

Claims
1. A locking device for a sliding door or window mounted in a frame, the locking device comprising a locking projection fixedly secured to said frame adjacent the free edge of said door or window and a retaining device extending from said free edge and having an opening which is engaged by said projection when said door or window is closed, wherein said retaining device comprises a locking member provided with means for fixing to said free edge of said door or window and having said opening at a terminal end thereof, and a cover member mounted to said locking member for limited sliding movement relative thereto, said cover member having at a terminal portion thereof a further opening or recess corresponding to the opening in the locking member and also being provided with an aperture such that the cover member is moveable relative to the locking member from a first position in which the aperture exposes the means for fixing the locking member to said door or window to a second position in which the opening and the further opening or recess are in registration and the means for fixing the locking member to the door or window is concealed by the cover member.
2. A locking device as claimed in claim 1, wherein the locking member and the cover member are slidably mounted to a base member.
3. A locking device as claimed in claim 1 or claim 2, wherein base member, locking member and cover member are held together by fasteners passing through suitably formed apertures.
4. A locking device as claimed in claim 3, wherein the apertures in the locking member and the cover member are longitudinal slots.
5. A locking device as claimed in claim 4, wherein slots in the cover member are twice the length of those in the locking member.
6. A locking device as claimed in any preceding claim, wherein the base member is formed as an upstanding limb of an L-shaped bracket.
7. A locking device as claimed in any preceding claim, wherein base member, locking member and cover member are formed of mild steel.
8. A locking device as claimed in any preceding claim, wherein the locking projection is formed integrally with a block of mild steel which is fixed to the frame.
9. A sliding door or window fitted with a locking device as claimed in any preceding claim.
10. A locking device substantially as hereinbefore described and as illustrated in the accompanying Figures.
GB9526268A 1995-12-21 1995-12-21 Improvements relating to the security of doors and windows Expired - Lifetime GB2308404B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9526268A GB2308404B (en) 1995-12-21 1995-12-21 Improvements relating to the security of doors and windows

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9526268A GB2308404B (en) 1995-12-21 1995-12-21 Improvements relating to the security of doors and windows

Publications (3)

Publication Number Publication Date
GB9526268D0 GB9526268D0 (en) 1996-02-21
GB2308404A true GB2308404A (en) 1997-06-25
GB2308404B GB2308404B (en) 1999-09-29

Family

ID=10785884

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9526268A Expired - Lifetime GB2308404B (en) 1995-12-21 1995-12-21 Improvements relating to the security of doors and windows

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GB (1) GB2308404B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998030777A1 (en) * 1997-01-10 1998-07-16 Grorud Industrier As Sliding panel construction
US6497072B2 (en) * 1997-01-10 2002-12-24 Frip Ab Sliding panel for longitudinal and lateral movement in a frame structure
WO2015027301A1 (en) * 2013-08-30 2015-03-05 Reynaers Aluminum, Naamloze Vennootschap Leaf of a sliding window or sliding door and sliding window or sliding door provided with such a leaf
WO2016083765A1 (en) * 2014-11-28 2016-06-02 Fullex Locks Limited Apparatus for securing two members together
GB2567156A (en) * 2017-10-03 2019-04-10 Barber Wendy Anti-theft device for van side-doors

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073517A (en) * 1975-10-01 1978-02-14 Bills Marius W Lock for sliding doors
US5356185A (en) * 1993-04-19 1994-10-18 Cameron Russell S Sliding panel lock

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073517A (en) * 1975-10-01 1978-02-14 Bills Marius W Lock for sliding doors
US5356185A (en) * 1993-04-19 1994-10-18 Cameron Russell S Sliding panel lock

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998030777A1 (en) * 1997-01-10 1998-07-16 Grorud Industrier As Sliding panel construction
US6497072B2 (en) * 1997-01-10 2002-12-24 Frip Ab Sliding panel for longitudinal and lateral movement in a frame structure
WO2015027301A1 (en) * 2013-08-30 2015-03-05 Reynaers Aluminum, Naamloze Vennootschap Leaf of a sliding window or sliding door and sliding window or sliding door provided with such a leaf
BE1021702B1 (en) * 2013-08-30 2016-01-11 Reynaers Aluminium Naamloze Vennootschap WING OF A SLIDING WINDOW OR SLIDING DOOR AND SLIDING WINDOW OR SLIDING DOOR WITH SUCH A WING
US9890557B2 (en) 2013-08-30 2018-02-13 Reynaers Aluminium Nv Leaf of a sliding window or sliding door and sliding window or sliding door provided with such a leaf
WO2016083765A1 (en) * 2014-11-28 2016-06-02 Fullex Locks Limited Apparatus for securing two members together
GB2547396A (en) * 2014-11-28 2017-08-16 Fullex Locks Ltd Apparatus for securing two members together
US10287804B2 (en) 2014-11-28 2019-05-14 Uap Limited Apparatus for securing two members together
GB2547396B (en) * 2014-11-28 2020-09-02 Uap Ltd Apparatus for securing two members together
GB2567156A (en) * 2017-10-03 2019-04-10 Barber Wendy Anti-theft device for van side-doors
GB2567156B (en) * 2017-10-03 2024-01-24 Barber Wendy Anti-theft device for van side-doors

Also Published As

Publication number Publication date
GB2308404B (en) 1999-09-29
GB9526268D0 (en) 1996-02-21

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20151220

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20160707 AND 20160713