US3650070A - Friction shoe construction for a pivoting window - Google Patents

Friction shoe construction for a pivoting window Download PDF

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Publication number
US3650070A
US3650070A US5865A US3650070DA US3650070A US 3650070 A US3650070 A US 3650070A US 5865 A US5865 A US 5865A US 3650070D A US3650070D A US 3650070DA US 3650070 A US3650070 A US 3650070A
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shoe
opening
sash
track
frame
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US5865A
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John Ringle
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Wausau Metals Corp
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Wausau Metals Corp
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/08—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
    • E05D7/081—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated near one edge of the wing, especially at the top and bottom, e.g. trunnions
    • 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

Definitions

  • the window includes a sash which is mounted for pivot- 52 us. c1 ..49/251, 49/252, 49/417 s movsmem with "Spec! to the framccmral portions [51] Int.
  • a stud is connected to the wedge 1,713,562 5/1929 Sibley ..49/251 X block and by tightening down the stud, the wedge block is 1,760,072 5/1930 Lea ..49/251 X moved within the opening in the shoe to force the sides of the 2,261,179 11/1941 Peremi et a1 shoe outwardly into engagement with the guide track to in- 3,020,604 2/1962 Bransford ..49/251 crease h f i i l e i t e, 3,126,588 3/1964 Osten ..49/18l X 3,434,236 3/1969 Weidner et al ..49/181 X 4 Claims, 5 Drawing Figures FRICTION SHOE CONSTRUCTION FOR A PIVOTING WINDOW
  • the invention relates to a pivoting type window or closure and more particularly to an improved frictionshoeconstruction for use with a pivoting type window.
  • a pivoting type window In a pivoting type window the sash ismounted to tilt or pivot in a vertical direction with respect to the frame between the open and closed portions
  • the central portions of the stiles of the sash are pivotally connected by arms to the jambs of the frame, and when the sash is in the closed position the arms are parallel to the jambs.
  • the ends of the sash stiles are pivotally connected to shoes which ride within guide tracks in the frame jambs as the sash is pivoted between the openand closedpositions. When the sash is in the closed position. each shoe is located at the end of the respective track -anduas the sash is pivoted to the open position, the shoe will slide towards the central portion of the track.
  • a friction mechanism is normally associatedwithone or both of these shoes, which will provide sufficient frictionalresistance between the shoe and the guide track to prevent free return of the sash by gravity to the closed position.
  • the friction mechanisms have taken various forms. However for the most part the friction mechanismsof the prior art have been difficult to adjust in that the location of. adjustment was in a relatively inaccessible location. Furthermore, in some situations special tools were required to provide theadjustment.
  • the conventional friction devices have relied on spring pressure so that the frictional resistance was limited to the spring force. Therefore, withthe use of a spring it was not possibleto adjust the spring force to a, degree so that the sash would be locked or frozen at a given position.
  • the present invention is directed to an improved friction shoe construction for a pivoting type of window or closure.
  • the shoe is formed of a flexible plastic material and the central portion ofthe shoe is provided with agenerally trapezoidal shape opening in which the sides of the opening converge toward eachother.
  • a wedge block Located within the opening is a wedge block havinginclined sidewalls which complement the sides of the shoe bordering'the opening.
  • a stud which is parallel to the guide track, extends through the end of the shoe and is engaged with the wedge block. By threading down the stud, the wedge block will be moved within the opening to thereby deflectthe sides ofthe shoe outwardly by a wedging type of action and increase thefrictional resistance of the sides of the shoe against the sidewalls ofthe guide track.
  • the friction shoe construction of the invention is a simple and inexpensive construction in which the frictional resistance can be readily varied by merely tightening or looseningthe stud attached to the wedge block.
  • the head of the stud is in an accessible location and no special tools, other than a screwdriver, arerequired to vary the-frictional resistance.
  • the frictional resistance is not dependent upon spring force, the frictional resistance can be increased to a point where the shoe will lock or freeze to the guide track, thereby preventing movement of thesash with respect to the frame.
  • This feature is important when dealing with largerwindows containing insulating type glassfor the sash can weigh 100 pounds or more. Thus it is desirableto beable to lockthe sash in a given position for window washing operations and the like.
  • FIG. 1 is a perspective view of a pivotingtype window incorporating the friction shoe of the invention. 7
  • FIG. 2 is a transverse section taken through the jamb of the frame and showingthe sash in the closed position.
  • FIG. 3 is a fragmentary plan view showing the friction shoe.
  • FIG. 4 is an exploded view of the friction shoe
  • FIG. '5 is a fragmentary view showing the connection of the friction shoe to the sash.
  • the drawings illustrate a window 1 which includes a frame 2 and a sash 3 which is adapted to pivot with respect to the frame between an open and closed position.
  • the sash can be locked to-the frame by a conventional locking mechanism actuated by the handle 4.
  • Each. jamb of the frame 2 defines a vertical guide track 5 which is bordered by the side membersp6 and 7 of the frame.
  • a pivot hinge mechanism is employed to connect the sash 3 to the jambs of the frame 2.
  • Each pivot hingemechanism' 8 includes an arm 9 which is pivotally connected by pivot 10 to a bracket 11 mounted by screws 12 tothe track 5 of the frame jamb.
  • the opposite end of the arm 9 is connected to the central portion of the stile 13 of the sash by a pivot 14.
  • the arm 9 When the sash is in the closed position, the arm 9 will be located parallel to the track 5 and as the sash is pivoted to'the open position the arm will pivot to an angular position as shownin FIG. 1 and FIG. 3.
  • the ends of the sash stiles are pivotally connected to shoes 15 which are adapted to ride within the tracks 5.
  • Apin 16 is journaled for rotation within an opening in each shoe l5 and is received within a cylindrical channel 17 formed in the upper rail of the sash.
  • a spring 18 bears against the end of the pin. and urges the shoe 15 towards the bottom of the track 5.
  • a portion of the cylindrical channel 17 is bent inwardly as indicated by 19 to retain'the spring 18 in position.
  • the spring 18 functions during assembly to maintain a shoe in the bottom of the track. Once the sash of the shoe has been assembled the spring 18 performs no function during the normal opening and closing of the sash.
  • the shoe 15 is provided with a centralgenerally trapezoidal shaped opening 20 with the walls 21 bordering the opening 20 converging towards each other.
  • the shoe 15 is-preferably formed of a relatively hard, yet flexible, plastic material, such as nylon, which has self lubricating properties so that it will slide smoothly within the track 5.
  • a wedge block 22 Mounted within the central opening 20 is a wedge block 22 having tapered sidewalls 23 which complement the tapered walls 21.
  • a stud 24 extends throughaligned openings 25 and 26 in the shoe 15 and block 22, respectively, and engages a nut 27 located within a slot 28 in the block.
  • the end of the shoe is provided with a recess 29 which receives the head 30 of the stud so that the head does not protrude beyond the surface of the shoe.
  • the wedge block 22 By threading the stud 24 downwardly within the nut 28, the wedge block 22 will be drawn towards the narrow end of the opening 20 to thereby deflect the sides 31 of the shoe outwardly and force. the sides 31 into tight bearing engagement with the side members 6 and 7 of the track.
  • the portion of the shoe extending between the surface 21 and the side 31 is sufficiently thin so that the wedging action provided by the block 22 can deflect or deform the side 31 outwardly into engagement with the side members 6 and 7 of the track.
  • the head 30 of the stud 24 faces downwardly toward the bracket 11 and is in a readily accessible position where it can be adjusted by means of a screwdriver.
  • the frictional resistance between the shoe 15. and the side members 6 and 7 of the track can be conveniently varied as desired.
  • the stud 24 can be tightened down to a degree such that the frictional resistance is increased to a point where-the shoe 15 will lock against the sidemembers 6 and 7 of the track to prevent any pivotal movement of the sash with respect to the frame.
  • This latter feature is of importance when dealing with large, double glazed windows in which the sash can be of substantial weight, for it is frequency desired to lock the sash in a given position during window washing operations, repair or the like.
  • a sliding pivot closure structure having a sash pivotable with respect to a frame, a track formed in a jamb of the frame and including a pair of parallel side members, a sliding shoe mounted for sliding movement in the track, a shaft rotatably mounted in said shoe and connected to said sash, said shoe being provided with a central opening with the surfaces of the shoe bordering said opening converging longitudinally of the direction of sliding movement of the shoe in said track, a wedge block disposed within the opening and having converging sidewalls to complement the converging surfaces of said shoe, and operating means operably connected to said block for moving the block longitudinally within the opening with movement of said block towards the converging ends of said surfaces serving to deflect the sides of the shoe outwardly into tight bearing engagement with the side members of the track to thereby increase the frictional resistance between said shoe and said side members.
  • said operating means comprises an operating member extending through an opening in the shoe and engaged with said block, said operating member extending longitudinally of said track with an end of the operating member being exposed at the end of the shoe.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

A friction shoe construction for a pivoting type window or closure. The window includes a sash which is mounted for pivoting movement with respect to the frame. The central portions of the sash stiles are pivotally connected to the jambs of the frame by arms, while the ends of the sash stiles are pivotally connected to shoes which ride in guide tracks on the frame jambs. Each shoe is constructed of a flexible material and is provided with a central opening having converging side walls. A wedge block having complementary inclined sides is mounted within the opening. A stud is connected to the wedge block and by tightening down the stud, the wedge block is moved within the opening in the shoe to force the sides of the shoe outwardly into engagement with the guide track to increase the frictional resistance.

Description

United States Patent Ringle, IH [451 Mar. 21, 1972 [541 FRICTION SHOE CONSTRUCTION FOR FOREIGN PATENTS 0R APPLICATIONS A PIVOTING WINDOW 595,765 4/1960 Canada ..49/25 I [72] Inventor: John Ringle, III, Wausau, Wis.
Primary Examiner-Dennis L. Taylor [73] Assignee. wzlsusau Metals Corporation, Wausau, Anomey Andms Scealcs, Starke & Sawan [22] Filed: Jan. 26, 1970 57 ABSTRACT PP 5,865 A friction shoe construction for a pivoting type window or closure. The window includes a sash which is mounted for pivot- 52 us. c1 ..49/251, 49/252, 49/417 s movsmem with "Spec! to the framccmral portions [51] Int. Cl ..E05d 15/44 of Bash are Pivomuy mnneeied w jambs 95 [58] Field of Search ..49/181, 172, 174, 176, 162, frame y arm, while the e ds of th sash stiles are pivolally 49/451, 452, 250, 251, 252, 417 connected to shoes which ride in guide tracks on the frame jambs. Each shoe is constructed of a flexible material and is [5 6] References Cited provided with a central opening having converging side walls. A wedge block having complementary inclined sides is UNITED STATES PATENTS mounted within the opening. A stud is connected to the wedge 1,713,562 5/1929 Sibley ..49/251 X block and by tightening down the stud, the wedge block is 1,760,072 5/1930 Lea ..49/251 X moved within the opening in the shoe to force the sides of the 2,261,179 11/1941 Peremi et a1 shoe outwardly into engagement with the guide track to in- 3,020,604 2/1962 Bransford ..49/251 crease h f i i l e i t e, 3,126,588 3/1964 Osten ..49/18l X 3,434,236 3/1969 Weidner et al ..49/181 X 4 Claims, 5 Drawing Figures FRICTION SHOE CONSTRUCTION FOR A PIVOTING WINDOW The invention relates to a pivoting type window or closure and more particularly to an improved frictionshoeconstruction for use with a pivoting type window.
In a pivoting type window the sash ismounted to tilt or pivot in a vertical direction with respect to the frame between the open and closed portions, In the conventional. pivoting type window the central portions of the stiles of the sash are pivotally connected by arms to the jambs of the frame, and when the sash is in the closed position the arms are parallel to the jambs. In addition, the ends of the sash stiles are pivotally connected to shoes which ride within guide tracks in the frame jambs as the sash is pivoted between the openand closedpositions. When the sash is in the closed position. each shoe is located at the end of the respective track -anduas the sash is pivoted to the open position, the shoe will slide towards the central portion of the track.
In order to hold the sash at any desiredopen-position, a friction mechanism is normally associatedwithone or both of these shoes, which will provide sufficient frictionalresistance between the shoe and the guide track to prevent free return of the sash by gravity to the closed position. In the past, the friction mechanisms have taken various forms. However for the most part the friction mechanismsof the prior art have been difficult to adjust in that the location of. adjustment was in a relatively inaccessible location. Furthermore, in some situations special tools were required to provide theadjustment.
As a further disadvantage,the conventional friction devices have relied on spring pressure so that the frictional resistance was limited to the spring force. Therefore, withthe use of a spring it was not possibleto adjust the spring force to a, degree so that the sash would be locked or frozen at a given position.
The present invention is directed to an improved friction shoe construction for a pivoting type of window or closure. According to the invention the shoe is formed of a flexible plastic material and the central portion ofthe shoe is provided with agenerally trapezoidal shape opening in which the sides of the opening converge toward eachother. Located within the opening is a wedge block havinginclined sidewalls which complement the sides of the shoe bordering'the opening. A stud, which is parallel to the guide track, extends through the end of the shoe and is engaged with the wedge block. By threading down the stud, the wedge block will be moved within the opening to thereby deflectthe sides ofthe shoe outwardly by a wedging type of action and increase thefrictional resistance of the sides of the shoe against the sidewalls ofthe guide track.
The friction shoe construction of the invention is a simple and inexpensive construction in which the frictional resistance can be readily varied by merely tightening or looseningthe stud attached to the wedge block. The head of the stud is in an accessible location and no special tools, other than a screwdriver, arerequired to vary the-frictional resistance.
As the frictional resistance is not dependent upon spring force, the frictional resistance can be increased to a point where the shoe will lock or freeze to the guide track, thereby preventing movement of thesash with respect to the frame. This feature is important when dealing with largerwindows containing insulating type glassfor the sash can weigh 100 pounds or more. Thus it is desirableto beable to lockthe sash in a given position for window washing operations and the like.
Other objects in advantage will appear in the course of the following description.
The drawings illustrate the best mode presently contemplated of carrying out the invention.
In the drawings:
FIG. 1 is a perspective view of a pivotingtype window incorporating the friction shoe of the invention. 7
FIG. 2 is a transverse section taken through the jamb of the frame and showingthe sash in the closed position.
FIG. 3 is a fragmentary plan view showing the friction shoe.
FIG. 4 is an exploded view of the friction shoe, and
FIG. '5 is a fragmentary view showing the connection of the friction shoe to the sash.
The drawings illustrate a window 1 which includes a frame 2 and a sash 3 which is adapted to pivot with respect to the frame between an open and closed position. The sash can be locked to-the frame by a conventional locking mechanism actuated by the handle 4.
Each. jamb of the frame 2 defines a vertical guide track 5 which is bordered by the side membersp6 and 7 of the frame.
A pivot hinge mechanism, indicated generally by 8, is employed to connect the sash 3 to the jambs of the frame 2. Each pivot hingemechanism' 8 includes an arm 9 which is pivotally connected by pivot 10 to a bracket 11 mounted by screws 12 tothe track 5 of the frame jamb. The opposite end of the arm 9 is connected to the central portion of the stile 13 of the sash by a pivot 14. When the sash is in the closed position, the arm 9 will be located parallel to the track 5 and as the sash is pivoted to'the open position the arm will pivot to an angular position as shownin FIG. 1 and FIG. 3.
In addition to the pivot hinge mechanism, the ends of the sash stiles are pivotally connected to shoes 15 which are adapted to ride within the tracks 5. Apin 16 is journaled for rotation within an opening in each shoe l5 and is received within a cylindrical channel 17 formed in the upper rail of the sash. Asshown in FIG. 6 a spring 18 bears against the end of the pin. and urges the shoe 15 towards the bottom of the track 5. A portion of the cylindrical channel 17 is bent inwardly as indicated by 19 to retain'the spring 18 in position. The spring 18 functions during assembly to maintain a shoe in the bottom of the track. Once the sash of the shoe has been assembled the spring 18 performs no function during the normal opening and closing of the sash.
As best illustrated in FIGS. 3 and 4, the shoe 15 is provided with a centralgenerally trapezoidal shaped opening 20 with the walls 21 bordering the opening 20 converging towards each other. The shoe 15 is-preferably formed of a relatively hard, yet flexible, plastic material, such as nylon, which has self lubricating properties so that it will slide smoothly within the track 5.
Mounted within the central opening 20 is a wedge block 22 having tapered sidewalls 23 which complement the tapered walls 21. To move the wedge block 22 within the opening 20, a stud 24 extends throughaligned openings 25 and 26 in the shoe 15 and block 22, respectively, and engages a nut 27 located within a slot 28 in the block. The end of the shoe is provided with a recess 29 which receives the head 30 of the stud so that the head does not protrude beyond the surface of the shoe.
By threading the stud 24 downwardly within the nut 28, the wedge block 22 will be drawn towards the narrow end of the opening 20 to thereby deflect the sides 31 of the shoe outwardly and force. the sides 31 into tight bearing engagement with the side members 6 and 7 of the track. The portion of the shoe extending between the surface 21 and the side 31 is sufficiently thin so that the wedging action provided by the block 22 can deflect or deform the side 31 outwardly into engagement with the side members 6 and 7 of the track.
The head 30 of the stud 24 faces downwardly toward the bracket 11 and is in a readily accessible position where it can be adjusted by means of a screwdriver. By merely turning the adjusting stud or screw the frictional resistance between the shoe 15. and the side members 6 and 7 of the track can be conveniently varied as desired. As the frictional resistance is not dependent on spring force, the stud 24 can be tightened down to a degree such that the frictional resistance is increased to a point where-the shoe 15 will lock against the sidemembers 6 and 7 of the track to prevent any pivotal movement of the sash with respect to the frame. This latter feature is of importance when dealing with large, double glazed windows in which the sash can be of substantial weight, for it is frequency desired to lock the sash in a given position during window washing operations, repair or the like.
While the above description is directed to a window it is contemplated that the friction shoe construction can be used ticularly pointing out and distinctly claiming the subject 5 matter which is regarded as the invention.
1 claim:
1. In a sliding pivot closure structure having a sash pivotable with respect to a frame, a track formed in a jamb of the frame and including a pair of parallel side members, a sliding shoe mounted for sliding movement in the track, a shaft rotatably mounted in said shoe and connected to said sash, said shoe being provided with a central opening with the surfaces of the shoe bordering said opening converging longitudinally of the direction of sliding movement of the shoe in said track, a wedge block disposed within the opening and having converging sidewalls to complement the converging surfaces of said shoe, and operating means operably connected to said block for moving the block longitudinally within the opening with movement of said block towards the converging ends of said surfaces serving to deflect the sides of the shoe outwardly into tight bearing engagement with the side members of the track to thereby increase the frictional resistance between said shoe and said side members.
2. The structure of claim 1, wherein said operating means comprises an operating member extending through an opening in the shoe and engaged with said block, said operating member extending longitudinally of said track with an end of the operating member being exposed at the end of the shoe.
3. The structure of claim 2, wherein said wedge block is provided with a slot extending in a plane transverse to the direction of sliding movement of the shoe, and said structure includes a nut located within the slot, said operating member comprising a stud threadedly engaged with the nut.
4. The structure of claim 3, wherein the end of the shoe is provided with a recess to receive the head of the stud.

Claims (4)

1. In a sliding pivot closure structure having a sash pivotable with respect to a frame, a track formed in a jamb of the frame and including a pair of parallel side members, a sliding shoe mounted for sliding movement in the track, a shaft rotatably mounted in said shoe and connected to said sash, said shoe being provided with a central opening with the surfaces of the shoe bordering said opening converging longitudinally of the direction of sliding movement of the shoe in said track, a wedge block disposed within the opening and having converging sidewalls to complement the converging surfaces of said shoe, and operating means operably connected to said block for moving the block longitudinally within the opening with movement of said block towards the converging ends of said surfaces serving to deflect the sides of the shoe outwardly into tight bearing engagement with the side members of the track to thereby increase the frictional resistance between said shoe and said side members.
2. The structure of claim 1, wherein said operating means comprises an operating member extending through an opening in the shoe and engaged with said block, said operating member extending longitudinally of said track with an end of the operating member being exposed at the end of the shoe.
3. The structure of claim 2, wherein said wedge block is provided with a slot extending in a plane transverse to the direction of sliding movement of the shoe, and said structure includes a nut located within the slot, said operating member comprising a stud threadedly engaged with the nut.
4. The structure of claim 3, wherein the end of the shoe is provided with a recess to receive the head of the stud.
US5865A 1970-01-26 1970-01-26 Friction shoe construction for a pivoting window Expired - Lifetime US3650070A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788006A (en) * 1972-02-16 1974-01-29 Wolverine Ind Inc Self-releasing frictional window sash balance
GB2236786A (en) * 1989-09-27 1991-04-17 Caldwell Hardware Guide assembly
US5613277A (en) * 1996-02-27 1997-03-25 Truth Hardware Corporation Window hinge shoe
US5651215A (en) * 1995-08-07 1997-07-29 Riegelman; Harry M. Hopper window
US5775028A (en) * 1993-07-09 1998-07-07 Lambert; Peter Winston Window stays
US6088880A (en) * 1997-07-07 2000-07-18 Lasee; Jack Adjustable shoe for awning window hinge
US20130305607A1 (en) * 2011-02-11 2013-11-21 Aimone Balbo Di Vinadio Smoke and heat evacuator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1713562A (en) * 1928-07-20 1929-05-21 Sibley Edwin John Transom stay
US1760072A (en) * 1928-11-28 1930-05-27 William C Lea Double-hung reversible metal window construction
US2261179A (en) * 1938-12-05 1941-11-04 Peremi Edmund Reversible and projected sash window
CA595765A (en) * 1960-04-05 J. Teggelaar Claude Awning type assembly and fixtures therefor
US3020604A (en) * 1960-10-25 1962-02-13 Beaman Corp Friction pivot block for projected type windows and the like
US3126588A (en) * 1964-03-31 Figures
US3434236A (en) * 1967-06-07 1969-03-25 Kassl Window Co Inc Sash lock

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA595765A (en) * 1960-04-05 J. Teggelaar Claude Awning type assembly and fixtures therefor
US3126588A (en) * 1964-03-31 Figures
US1713562A (en) * 1928-07-20 1929-05-21 Sibley Edwin John Transom stay
US1760072A (en) * 1928-11-28 1930-05-27 William C Lea Double-hung reversible metal window construction
US2261179A (en) * 1938-12-05 1941-11-04 Peremi Edmund Reversible and projected sash window
US3020604A (en) * 1960-10-25 1962-02-13 Beaman Corp Friction pivot block for projected type windows and the like
US3434236A (en) * 1967-06-07 1969-03-25 Kassl Window Co Inc Sash lock

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788006A (en) * 1972-02-16 1974-01-29 Wolverine Ind Inc Self-releasing frictional window sash balance
GB2236786A (en) * 1989-09-27 1991-04-17 Caldwell Hardware Guide assembly
US5775028A (en) * 1993-07-09 1998-07-07 Lambert; Peter Winston Window stays
US5651215A (en) * 1995-08-07 1997-07-29 Riegelman; Harry M. Hopper window
US5613277A (en) * 1996-02-27 1997-03-25 Truth Hardware Corporation Window hinge shoe
US6088880A (en) * 1997-07-07 2000-07-18 Lasee; Jack Adjustable shoe for awning window hinge
US20130305607A1 (en) * 2011-02-11 2013-11-21 Aimone Balbo Di Vinadio Smoke and heat evacuator

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