GB2081803A - Improvements in friction supporting stays for windows - Google Patents

Improvements in friction supporting stays for windows Download PDF

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Publication number
GB2081803A
GB2081803A GB8122389A GB8122389A GB2081803A GB 2081803 A GB2081803 A GB 2081803A GB 8122389 A GB8122389 A GB 8122389A GB 8122389 A GB8122389 A GB 8122389A GB 2081803 A GB2081803 A GB 2081803A
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GB
United Kingdom
Prior art keywords
track
strut
window
brace
slider
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
GB8122389A
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GB2081803B (en
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.)
Securistyle Ltd
Original Assignee
Securistyle 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 Securistyle Ltd filed Critical Securistyle Ltd
Priority to GB8122389A priority Critical patent/GB2081803B/en
Publication of GB2081803A publication Critical patent/GB2081803A/en
Application granted granted Critical
Publication of GB2081803B publication Critical patent/GB2081803B/en
Expired legal-status Critical Current

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Classifications

    • 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
    • E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
    • E05D15/44—Suspension arrangements for wings supported on arms movable in vertical planes with pivoted arms and vertically-sliding guides
    • 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)
  • Mechanical Engineering (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

A friction supporting stay for windows comprises a track 10, a slider 15 movable along the track, a strut 16 pivotally connected to the track, a brace 18 pivotally connected between the slider and the strut, a link 21 pivotally connected to the slider, and a bar 24 pivotally connected to the link and to the strut, the arrangement being such that as the slider moves along the track the bar can swing from a position overlying the track to a position where it is angled with respect to the track. There is provided on the track a guide element 31 with which said brace 18 or strut 16 engages as the bar 24 is moved into said position overlying the track, the guide element being shaped and arranged to hold the brace or strut out of binding engagement with the track during the final part of said movement. <IMAGE>

Description

SPECIFICATION Improvements in Friction Supporting Stays for Windows The invention relates to friction supporting stays, for windows, of the kind comprising a track, a slider movable along the track, a strut pivotally connected to the track, a brace pivotally connected between the slider and the strut, a link pivotally connected to the slider, and a bar pivotally connected to the link and to the strut, the arrangement being such that as the slider moves along the track the bar can swing from a position overlying the track to a position where it is angled with respect to the track.
In use, two supporting stays of this kind are normally provided at opposite sides of a window, the track of each stay being mounted on the window frame and the bar being mounted on the window sash. The arrangement is such that as the window pivots on the stays, the axis of pivoting of the window sash moves away from the window frame so that when the winddw is open both sides thereof are accessible from one side of the window frame.
The stays may be disposed at opposite sides of the upper part of the window so that the window sash pivots about a horizontal axis. Such windows are referred to as "top-hung" windows.
Alternatively, the stays may be arranged at the top and bottom of the window so that the window pivots about a vertical axis. In this case the window is referred to as "side-hung". Where stays of the kind referred to are used in a side-hung arrangement, however, the weight of the window sash tends to cause the brace and strut, and to a lesser extent the link, of each stay to be deflected downwardly. Consequently, as the window is closed, and the bar attached to the window sash moves into the position where it overlies the track, there is a tendency for the downwardly deflected link, brace and strut of the lower stay to bind against the track. This may cause difficulty in closing the window and it may sometimes be necessary to lift the window sash bodily when closing the window so that the link, brace and strut of the lower stay can clear the track.The present invention sets out to provide a form of stay in which this disadvantage is overcome.
Although the tendency for the abovementioned binding to occur is less in the case of top-hung windows, it can arise and the invention is therefore also applicable to stays for use in such windows.
According to the invention there is provided a friction supporting stay of the kind first referred to above, wherein there is provided on the track a guide element with which said brace or strut engages as the bar is moved into said position overlying the track, the guide element being shaped and arranged to hold said brace or strut out of binding engagement with the track during the final part of said movement.
Preferably the guide element is formed with an inclined surface which is engaged by said brace or strut, the inclined surface being so disposed as to urge the brace or strut away from the track as the brace or strut moves further into engagement with said surface. Thus, where the guide element is provided on the lower stay of a side-hung window arrangement, the element serves to lift the brace or strut clear of the track as the window is closed.
The guide element may be provided with two such inclined surfaces symmetrically disposed with respect to the central longitudinal axis of the track. This enables the stay to be moved to the closed position from either side of the track.
The guide element may be separately formed from said track and attached thereto. For example, where the track is in the form of a channelsectioned element, said guide element may be located within the channel with a portion projecting above the side walls thereof. In the case where the extremities of the side walls of the channel are formed with inwardly turned flanges, the guide element may be formed with grooves to receive said flanges.
The guide element may conveniently be moulded from plastics material.
The following is a detailed description of an embodiment of the invention, reference being made to the accompanying drawings in which: Figure 1 is a plan view of a friction supporting stay according to the invention, shown in a partly opened position, Figure 2 is a section, on a slightly enlarged scale, taken along the line 2-2 of Figure 1, and Figure 3 is a section, also on a slightly enlarged scale, taken along the line 3-3 of Figure 1.
The supporting stay comprises a channelsectioned track member 10 having longitudinal inturned flanges 11. The track member is, in use of the stay on a side-hung window, normally seiilred horizontally to the window frame, two stays being provided at the top and bottom respectively of the window frame. In the case of a top-hung window the track members are secured vertically to the window frame at each side of the upper part of the window. Fixing holes 12 are provided in the web 13 of the track member to receive fixing screws.
At one end thereof the track member is closed by a plastics nosecap 14 which is plugged into the end of the track member and may be "staked" to the track member by deforming a part of the web, or by means of a rivet. A slider 1 5 is slideable along the track member, and the detailed construction of the slider will be described later.
An elongate cranked metal strut 1 6 is pivotally connected to the track member 10, adjacent one end thereof, by a rivet 1 7. An elongate brace 1 8 is pivotally connected at one end, by a rivet 19. to the slider 1 5 and at the opposite end thereof, by a rivet 20, to a part of the strut 16 intermediate the ends thereof. A link 21 is pivotally connected to the slider 1 5 by a rivet 22 at a location spaced from the rivet 19. The opposite end of the link 21 is pivotally connected by a rivet 23 to one end of a bar 24, which is in turn pivotally connected, intermediate its ends, by a rivet 25, to the extremity of the strut 16. A cross link 26, shown in
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (11)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Improvements in Friction Supporting Stays for Windows The invention relates to friction supporting stays, for windows, of the kind comprising a track, a slider movable along the track, a strut pivotally connected to the track, a brace pivotally connected between the slider and the strut, a link pivotally connected to the slider, and a bar pivotally connected to the link and to the strut, the arrangement being such that as the slider moves along the track the bar can swing from a position overlying the track to a position where it is angled with respect to the track. In use, two supporting stays of this kind are normally provided at opposite sides of a window, the track of each stay being mounted on the window frame and the bar being mounted on the window sash. The arrangement is such that as the window pivots on the stays, the axis of pivoting of the window sash moves away from the window frame so that when the winddw is open both sides thereof are accessible from one side of the window frame. The stays may be disposed at opposite sides of the upper part of the window so that the window sash pivots about a horizontal axis. Such windows are referred to as "top-hung" windows. Alternatively, the stays may be arranged at the top and bottom of the window so that the window pivots about a vertical axis. In this case the window is referred to as "side-hung". Where stays of the kind referred to are used in a side-hung arrangement, however, the weight of the window sash tends to cause the brace and strut, and to a lesser extent the link, of each stay to be deflected downwardly. Consequently, as the window is closed, and the bar attached to the window sash moves into the position where it overlies the track, there is a tendency for the downwardly deflected link, brace and strut of the lower stay to bind against the track. This may cause difficulty in closing the window and it may sometimes be necessary to lift the window sash bodily when closing the window so that the link, brace and strut of the lower stay can clear the track.The present invention sets out to provide a form of stay in which this disadvantage is overcome. Although the tendency for the abovementioned binding to occur is less in the case of top-hung windows, it can arise and the invention is therefore also applicable to stays for use in such windows. According to the invention there is provided a friction supporting stay of the kind first referred to above, wherein there is provided on the track a guide element with which said brace or strut engages as the bar is moved into said position overlying the track, the guide element being shaped and arranged to hold said brace or strut out of binding engagement with the track during the final part of said movement. Preferably the guide element is formed with an inclined surface which is engaged by said brace or strut, the inclined surface being so disposed as to urge the brace or strut away from the track as the brace or strut moves further into engagement with said surface. Thus, where the guide element is provided on the lower stay of a side-hung window arrangement, the element serves to lift the brace or strut clear of the track as the window is closed. The guide element may be provided with two such inclined surfaces symmetrically disposed with respect to the central longitudinal axis of the track. This enables the stay to be moved to the closed position from either side of the track. The guide element may be separately formed from said track and attached thereto. For example, where the track is in the form of a channelsectioned element, said guide element may be located within the channel with a portion projecting above the side walls thereof. In the case where the extremities of the side walls of the channel are formed with inwardly turned flanges, the guide element may be formed with grooves to receive said flanges. The guide element may conveniently be moulded from plastics material. The following is a detailed description of an embodiment of the invention, reference being made to the accompanying drawings in which: Figure 1 is a plan view of a friction supporting stay according to the invention, shown in a partly opened position, Figure 2 is a section, on a slightly enlarged scale, taken along the line 2-2 of Figure 1, and Figure 3 is a section, also on a slightly enlarged scale, taken along the line 3-3 of Figure 1. The supporting stay comprises a channelsectioned track member 10 having longitudinal inturned flanges 11. The track member is, in use of the stay on a side-hung window, normally seiilred horizontally to the window frame, two stays being provided at the top and bottom respectively of the window frame. In the case of a top-hung window the track members are secured vertically to the window frame at each side of the upper part of the window. Fixing holes 12 are provided in the web 13 of the track member to receive fixing screws. At one end thereof the track member is closed by a plastics nosecap 14 which is plugged into the end of the track member and may be "staked" to the track member by deforming a part of the web, or by means of a rivet. A slider 1 5 is slideable along the track member, and the detailed construction of the slider will be described later. An elongate cranked metal strut 1 6 is pivotally connected to the track member 10, adjacent one end thereof, by a rivet 1 7. An elongate brace 1 8 is pivotally connected at one end, by a rivet 19. to the slider 1 5 and at the opposite end thereof, by a rivet 20, to a part of the strut 16 intermediate the ends thereof. A link 21 is pivotally connected to the slider 1 5 by a rivet 22 at a location spaced from the rivet 19. The opposite end of the link 21 is pivotally connected by a rivet 23 to one end of a bar 24, which is in turn pivotally connected, intermediate its ends, by a rivet 25, to the extremity of the strut 16. A cross link 26, shown in chain lines, may be pivotally connected between the brace 1 8 and the bar 24, parallel to the strut 16, if required. The bar 24 is, in use, connected to the bottom member of the window sash frame and fixing holes 27 are provided for this purpose. In operation, the bar 24 may be swung from the angled position shown in Figure 1, in which the window is open, to a closed position where the bar 24 overlies the track member 10 and the window is closed. The dimensions of the elements of the stay, and the positions of the rivets, are so chosen that the strut 1 6, brace 18 and link 21 also overlie the track member 10 when the window is in the closed position. One end of the bar 24 is shaped, as indicated at 28, to cooperate with a cam surface 29 on the inside of the nosecap 14 so as to give a wedging effect as the stay moves into the closed position. When the window is moved to the closed position there is a tendency for the brace 1 8 or strut 1 6 to bind against the track 10. This is particularly so in the case of a side-hung window since the weight of the window sash tends to deflect the brace 18 and strut 16, and to a lesser extent the link 21, downwardly. To overcome any tendency of the parts to bind there is mounted on the track member 10 a raiser block 31. The raiser block 31 may be moulded from plastics, such as acetal resin, and is located in the channel-sectioned track member 10 between the rivet 1 7 and a stop 30. The stop 30 is deformed part of the web of the track member 10 provided to limit the movement of the slider 1 5 along the track member. As best seen in Figure 2, the raiser block 31 is formed with grooves 32 in which are received the flanges 11 of the track member 10. The part of the block 31 projecting above the track member 10 is formed with oppositely inclined convexly curved surfaces 34 symmetrically disposed on opposite sides of the centre line of the block 31. The underside of the block 31 is formed with a recess 35 to clear the aforementioned stop 30 to permit the block to be slid along the track member 10 to the required position. It will be appreciated that by mcdification of the design of the block 31, however, it may be arranged to be snapped into the track member from above, in the required position, instead of being slid longitudinally along the track member. In operation of the device, as the window is moved to the closed position the undersurface of the strut 1 6 engages the nearer inclined surface 34 of the block 31 so that the block lifts the strut clear of binding engagement with the track member 10 as the strut comes into a position where it overlies the track member. It will be appreciated that the block 31 might also be so positioned on the track member as to engage the underside of the brace 1 8 rather than the strut 1 6. The slider 1 5 is also preferably designed so as to reduce the tendency of the parts of the stay to bind on the track member Referring to Figure 3, the main body of the slider 1 5, which may also be formed from acatal resin, is formed with longitudinal grooves 36 which receive the flanges 11 of the track member 10. Thus, although the major part of the slider is embraced within the track member, an upper portion of the slider extends above the flanges 11 for the full width of the track member and thereby serves to keep the underside of the link 21 and brace 18 out of engagement with the track member whilst providing added support for these parts. Formed on the side of the slider facing the web of the track member 10 is a rectangular recess 37 in which is snugly received a rectangular nylon friction pad 38. A brass grub screw 33 is threadedly received in the body of the slider. The end of the grub screw 33 bears directly on the friction pad 38 so that the frictional engagement between the slider and the track member may be varied by adjustment of the screw 33. It will be appreciated that the raiser block 31 may only be required on the bottom stay of the two stays supporting a side-hung window. However, it may be convenient to provide both stays with a raiser block so that there is no possibility of the stays being incorrectly located during installation. In the case of a top-hung window a raiser block will, in any case, be provided on each stay. CLAIMS
1. A friction supporting stay, for windows, comprising a track, a slider movable along the track, a strut pivotally connected to the track, a brace pivotally connected between the slider and the strut, a link pivotally connected to the slider, and a bar pivotally connected to the link and to the strut, the arrangement being such that as the slider moves along the track the bar can swing from a position overlying the track to a position where it is angled with respect to the track, and there being provided on the track a guide element with which said brace or strut engages as the bar is moved into said position, overlying the track, the guide element being shaped and arranged to hold said brace and/or strut out of binding engagement with the track during the final part of said movement.
2. A friction stay according to claim 1, wherein the guide element is formed with an inclined surface which is engaged by said brace or strut, the inclined surface being so disposed as to urge the brace or strut away from the track as the brace or strut moves further into engagement with said surface.
3. A friction stay according to claim 2, wherein the guide element is provided with two inclined surfaces symmetrically disposed with respect to the central longitudinal axis of the track.
4. A friction stay according to any of claims 1 to 3, wherein the guide element is separately formed from said track and attached thereto.
5. A friction stay according to claim 4, wherein the track is in the form of a channel-sectioned element, and wherein said guide element is located within the channel with a portion projecting above the side walls thereof.
6. A friction stay according to claim 5, wherein the extremities of the side walls of the channel are formed with inwardly turned flanges and the guide element is formed with grooves to receive said flanges.
7. A friction say according to any of claims 1 to 6, wherein the guide element is moulded from plastics material.
8. A friction stay according to any of claims 1 to 7, wherein the slider is formed with a portion with which said brace, link or bar engages as the bar is moved into said position overlying the track, said portion being shaped and arranged to hold said brace, link and/or bar out of binding engagement with the track during at least the final part of said movement.
9. A friction stay according to claim 8, wherein the track is in the form of a channel-sectioned element and wherein the slider is formed with portions overlying the edges of the side walls of the channel.
10. A friction stay according to claim 9, wherein the side walls of the channel are formed with inwardly turned flanges and the slider is formed with grooves to receive said flanges.
11. A friction supporting stay, for window, substantially as hereinbefore described with reference to the accompanying drawings.
GB8122389A 1980-08-08 1981-07-21 Improvements in friction supporting stays for windows Expired GB2081803B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8122389A GB2081803B (en) 1980-08-08 1981-07-21 Improvements in friction supporting stays for windows

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8025927 1980-08-08
GB8122389A GB2081803B (en) 1980-08-08 1981-07-21 Improvements in friction supporting stays for windows

Publications (2)

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GB2081803A true GB2081803A (en) 1982-02-24
GB2081803B GB2081803B (en) 1984-07-25

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127092A (en) * 1982-09-16 1984-04-04 Securistyle Ltd Improvements in friction supporting stays for windows
EP0113971A1 (en) * 1982-12-24 1984-07-25 Securistyle Limited Improvement in friction supporting stays
EP0116697A2 (en) * 1983-01-14 1984-08-29 SCHÜCO Heinz Schürmann GmbH &amp; Co. Check device for panels of a window or door, opening about a vertical as well as a horizontal axis
EP0132986A2 (en) * 1983-07-28 1985-02-13 Securistyle Limited Improvement in or relating to hinge assemblies
GB2165883A (en) * 1984-07-27 1986-04-23 Mila Hardware & Machinery A pivot bracket for supporting an outwardly-opening window casement
US4622715A (en) * 1983-11-24 1986-11-18 Securistyle Limited Friction supporting stays for windows
US4674149A (en) * 1985-12-23 1987-06-23 Truth Incorporated Window hinge with offset sash arm
USRE32846E (en) * 1984-03-14 1989-01-31 Truth Incorporated Snap stud
GB2214230A (en) * 1987-12-24 1989-08-31 Cego Ltd Window stays
US5093960A (en) * 1991-06-27 1992-03-10 Truth Division Of Spx Corporation Window hinge hat
GB2318613A (en) * 1996-10-22 1998-04-29 Securistyle Ltd A stay for a vent
US5920959A (en) * 1997-02-18 1999-07-13 Demarco; Giuseppe Releasable locking pivot member for use in high humidity environments
GB2398831A (en) * 2003-02-05 2004-09-01 Securistyle Ltd A Hinge
NL1029678C2 (en) * 2005-08-04 2007-02-06 Ubbink Bv Hinged window frame assembly.
WO2009023994A1 (en) * 2007-08-21 2009-02-26 Lok Shun Leung A safety window with hinge assemblies and a method for producing the same
KR101122807B1 (en) * 2004-09-14 2012-03-21 마이크로소프트 코포레이션 Functions acting on arbitrary geometric paths
WO2018024346A1 (en) * 2016-08-05 2018-02-08 Roto Frank Ag Window, door or the like having a scissor-type opening stay between a fixed frame and a wing
CN108716328A (en) * 2018-07-23 2018-10-30 佛山市颢进科技有限公司 A kind of friction hinge with window frame installation connection
CN112377018A (en) * 2020-11-11 2021-02-19 泰州市爱利特金属制品有限公司 Hinge for window
CN113309432A (en) * 2021-07-09 2021-08-27 广东澳利坚五金科技有限公司 Hinge capable of being disassembled and assembled quickly

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127092A (en) * 1982-09-16 1984-04-04 Securistyle Ltd Improvements in friction supporting stays for windows
EP0113971A1 (en) * 1982-12-24 1984-07-25 Securistyle Limited Improvement in friction supporting stays
EP0116697A2 (en) * 1983-01-14 1984-08-29 SCHÜCO Heinz Schürmann GmbH &amp; Co. Check device for panels of a window or door, opening about a vertical as well as a horizontal axis
EP0116697A3 (en) * 1983-01-14 1985-05-15 SCHÜCO Heinz Schürmann GmbH &amp; Co. Check device for panels of a window or door, opening about a vertical as well as a horizontal axis
EP0132986A2 (en) * 1983-07-28 1985-02-13 Securistyle Limited Improvement in or relating to hinge assemblies
EP0132986A3 (en) * 1983-07-28 1987-08-26 Securistyle Limited Improvement in or relating to hinge assemblies
US4622715A (en) * 1983-11-24 1986-11-18 Securistyle Limited Friction supporting stays for windows
USRE32846E (en) * 1984-03-14 1989-01-31 Truth Incorporated Snap stud
GB2165883A (en) * 1984-07-27 1986-04-23 Mila Hardware & Machinery A pivot bracket for supporting an outwardly-opening window casement
US4674149A (en) * 1985-12-23 1987-06-23 Truth Incorporated Window hinge with offset sash arm
GB2214230A (en) * 1987-12-24 1989-08-31 Cego Ltd Window stays
GB2214230B (en) * 1987-12-24 1992-01-08 Cego Ltd Window stays
US5093960A (en) * 1991-06-27 1992-03-10 Truth Division Of Spx Corporation Window hinge hat
GB2318613A (en) * 1996-10-22 1998-04-29 Securistyle Ltd A stay for a vent
US5920959A (en) * 1997-02-18 1999-07-13 Demarco; Giuseppe Releasable locking pivot member for use in high humidity environments
GB2398831A (en) * 2003-02-05 2004-09-01 Securistyle Ltd A Hinge
GB2398831B (en) * 2003-02-05 2006-03-15 Securistyle Ltd Hinge
KR101122807B1 (en) * 2004-09-14 2012-03-21 마이크로소프트 코포레이션 Functions acting on arbitrary geometric paths
NL1029678C2 (en) * 2005-08-04 2007-02-06 Ubbink Bv Hinged window frame assembly.
EP1749959A1 (en) * 2005-08-04 2007-02-07 Ubbink B.V. Sliding hinge window assembly
WO2009023994A1 (en) * 2007-08-21 2009-02-26 Lok Shun Leung A safety window with hinge assemblies and a method for producing the same
WO2018024346A1 (en) * 2016-08-05 2018-02-08 Roto Frank Ag Window, door or the like having a scissor-type opening stay between a fixed frame and a wing
CN108716328A (en) * 2018-07-23 2018-10-30 佛山市颢进科技有限公司 A kind of friction hinge with window frame installation connection
CN108716328B (en) * 2018-07-23 2023-09-15 佛山市顺德区科能实业有限公司 Friction hinge connected with window frame installation
CN112377018A (en) * 2020-11-11 2021-02-19 泰州市爱利特金属制品有限公司 Hinge for window
CN113309432A (en) * 2021-07-09 2021-08-27 广东澳利坚五金科技有限公司 Hinge capable of being disassembled and assembled quickly

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PE20 Patent expired after termination of 20 years

Effective date: 20010720