CA2153276A1 - Window with sash interlock strip - Google Patents
Window with sash interlock stripInfo
- Publication number
- CA2153276A1 CA2153276A1 CA 2153276 CA2153276A CA2153276A1 CA 2153276 A1 CA2153276 A1 CA 2153276A1 CA 2153276 CA2153276 CA 2153276 CA 2153276 A CA2153276 A CA 2153276A CA 2153276 A1 CA2153276 A1 CA 2153276A1
- Authority
- CA
- Canada
- Prior art keywords
- sash
- frame
- window assembly
- bar
- 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.)
- Abandoned
Links
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims 2
- 239000004416 thermosoftening plastic Substances 0.000 claims 2
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000004035 construction material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- 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
- E06B3/54—Fixing of glass panes or like plates
- E06B3/58—Fixing of glass panes or like plates by means of borders, cleats, or the like
- E06B3/5892—Fixing of window panes in openings in door leaves
-
- 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
- E06B3/44—Vertically-sliding wings
-
- 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
- E06B3/44—Vertically-sliding wings
- E06B3/4407—Single-hung, i.e. having a single vertical sliding panel
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wing Frames And Configurations (AREA)
Abstract
A window assembly which is fittable in either a door or a wall opening comprises a sash within a surrounding frame. The frame has first and second outside frame parts held together in spaced relationship from one another by a connecting frame part which is peripherally recessed relative to the outside frame parts The assembly includes an interlock between the connecting frame part and the sash such that the sash removed with the connecting frame part through the interlock even with one of the outside frame parts being removed from the frame for installation of the window assembly in the door or wall opening.
Description
- 21~3276 TITLE: WINDOW WITH SASH INTERT.OCK STRIP
FTF~Tln OF THE INVENTION
The present invention relates to a window assembly with a sliding sash held in its surrounding frame by an interlock which allows part of the frame to be removed with the sash being held by the interlock to the remaining part of the frame. This allows the window to be installed in working condition in a door or wall opening.
BACKGROUND OF THE INVENTION
In a typical window assembly the sash or sashes must be removed from the frame which is completely dismantled in order to install the window assembly in a door or wall opening. Part of the frame is put in from one side of the opening and the sash must be held in place by the installer while the other part of the frame is installed from the other side of the opening. Accordingly, window installations can be time consuming and difficult particularly in view of the fact that the installer must hold all of the parts in proper alignment with one another to ensure that the sash or sashes will slide properly within the frame. If the sash does not properly slide within the frame, this is only discovered after the installation has been completed and requires the entire assembly to be removed and refitted into position in the opening.
SUMMARY OF THE INVENTION
The present invention provides a window assembly specifically designed to overcome the drawbacks described above found in conventional existing window assemblies.
More particularly, the window assembly of the present invention comprises a sash within a surrounding frame where the frame has first and second outside frame parts held in -SJ-9326-CA - 2 ~153276 spaced relationship to one another by a connecting frame part which is peripherally recessed relative to the outside frame parts. The assembly further includes interlocking means between the connecting frame part and the sash such that the sash r~m~;n~ with the connecting frame part through the interlocking means when one of the frame parts is removed from the frame for installation of the window assembly in a door or wall opening.
The window assembly of the present invention enables fitting of the sash to the frame prior to installation to ensure that the sash is in proper working condition and maintains that fitting during the window installation procedure.
The window assembly of the present invention further eliminates the requirement for sash balances which makes it substantially less costly than conventional operating windows and further has added safety benefits over conventional windows because of the interlock between the sash and the frame.
BRIEF DF~CRIPTION OF THE DRAWINGS
The above as well as other advantages and features of the present invention will be described in greater detail according to the preferred embodiments of the present invention in which;
Figure 1 is a perspective view of a door fitted with a window assembly according to a preferred embodiment of the present invention;
Figure 2 shows a partial dismantling of the window assembly for installation in the door opening of Figure l;
Figure 3 is a perspective view of the window assembly of Figure 1 when removed from the door;
- 21~327~
Figure 4 is an enlarged perspective view of an upper end of one of the jambs from the frame of the window assembly of Figure 3;
Figure 5 is an enlarged partially exploded perspective view of a lower region of one of the frame jambs from the window assembly of Figure 3;
Figure 6 is an enlarged perspective view of the window assembly of Figure 3 showing partial release of the interlocking bar between the sash and the frame from the window assembly;
Figure 7 is a top view of the operating sash from the window assembly of Figure 6;
Figure 8 is a side view of the interlocking bar from the window assembly of Figure 6;
Figure 9 is a front view of the window assembly of Figure 6;
Figure 10 is a further front view of the window assembly of Figure 6 with the operating sash removed from the window assembly;
Figure 11 is a perspective view of a corner region of a window assembly according to a further preferred embodiment of the present invention.
DF.TAILED DF..~CRIPTION ACCORDING TO THE PREFF.~R~n FMRODIMENTS OF THE PRESF.NT INVF.NTION
Figure 1 shows a window assembly generally indicated at 1 installed in a door. As will be appreciated, the same window assembly can easily be fitted into a wall.
Window assembly 1 preferably has a vinyl construction although other materials can equally as well be used.
The overall window assembly, when removed from the door, is well shown in Figures 3 and 6 of the drawings.
` `- 21~3276 SJ-93a6-CA - 4 -The assembly comprises a frame generally indicated at 3 which comprises a pair of outside frame parts 5 and an intermediate frame part 7 which connects the two frame parts 5 in spaced relationship from one another. As can be well seen in Figure 4 of the drawings, the connecting frame part 7 is peripherally recessed relative to the outside frame parts 5 which act as retainers for securing the window assembly in the door or wall opening. The outside frame parts 5 can either be snapped or mechanically secured to the connecting frame part 7. Regardless of the means of securing all of the frame parts to one another, at least one of the outside frame parts 5 is easily removable from the connecting frame part 7. For security purposes, the removable outside frame part is located to the inside of a building to which the window is fitted.
It is also possible to have both outside frame parts easily removable from the connecting frame part, particularly when working with mechanical securing means which secures through all of the frame parts and again is only accessible from the inside of the building.
As is well shown in Figures 4 and 5 of the drawings, the connecting frame part 7 includes an interior groove 9 in which a bar or strip 11 is secured. Figure 7 shows that the lower operating sash 19 of the window includes a groove 21 which aligns with the frame groove 9 and into which the interlocking strip or bar 11 fits. As can well be seen from Figures 7 and 9 of the drawings, the frame in fact includes grooves to either side of the frame into which a pair of bars are fitted and the sash includes opposite side grooves 21 aligned with the frame grooves for receiving the two interlocking bars 11.
The window includes an non-operating sash 17 and the bars 11 run from the bottom of the frame terminating just short of the top of the frame beside the non-operating 21~3276 sash. Accordingly, not only do the bars interlock the operating sash with the frame, but in addition, they provide guide rails for movement of sash 19.
Figure 2 of the drawings, shows one of the key features of the present invention which substantially eases installation of the window assembly in comparison to prior art window assemblies. More particularly the two sashes 17 and 19 are secured directly to the connecting frame part 7 with the operating sash 19 as shown being secured to the connecting frame part through the interlocking bars 11.
Similar interlock bars may be used to hold the fixed sash to the interlocking frame part. This enables removal of one of the frame parts 5 while the two sashes ares secured to the remaining partially assembled frame with the sliding sash being completely operative within the frame. The connecting frame part as well as the other outside frame part which does not need to be removed from the connecting frame part are inserted from the outside of the door through the door opening and the frame part 5 which was previously removed from the window assembly is refitted with the assembly at the inside of the building to hold the assembly in its installed position.
Because the operating sash does not have to be removed for installation purposes, it can be properly fitted with the frame away from the job site without having to tamper with it during installation of the overall window assembly. Furthermore, when the window is installed, the interlocking bars provide a very decided safety advantage over conventional window assemblies in that they interlock the operating sash with the frame and block removal of the operating sash from the window assembly.
It is however desirable at appropriate times to make the operating sash removable when for example wishing to create a relatively large window opening to pass objects - 21~3Z~6 SJ-93a6-CA - 6 -such as construction material through the window. This objective is achieved in accordance with the present invention by making either one or both of the interlock bars 11 removable from the frame following which the operating sash can also be removed. This feature of the present invention is best shown having reference to Figures 4, 6 and 10 of the drawings. More particularly, Figure 4 of the drawings shows that the interlocking bar 11 is secured at its upper end to the connecting frame part 7 by a mechanical fastener 13. This mechanical fastener may be in the form of a screw which is only accessible from the inside of the window. The bar itself has a two piece construction comprising upper and lower legs secured by a hinge 12 as best seen in Figure 8 of the drawings. This hinge allows a bending action between the upper and lower legs of the bar.
A particularly good material for making the hinge is polypropylene which can be bent or flexed almost an infinite number of times without breaking.
As earlier described the upper leg of the bar 11 terminates slightly short of the upper end of the frame as seen in Figure 4 of the drawings. Accordingly, when the operating sash is in its lowermost position as shown in Figure 6 and with the mechanical fastener 13 removed, the upper leg of bar 11 can be bent at hinge 12 inwardly of the frame allowing the lower leg of the bar to be slid up and out of the aligned frame and sash grooves. This then enables the operating sash to be slid out from one side of the frame as shown in Figure 10 of the drawings without having to remove the frame from the door or window opening.
If there is a particularly snug fit between the operating sash and the frame, then both interlock bars can be removed in the same manner as that described above to ease in removal of the sash from the frame.
- 2153~76 A further feature of the present invention resides in the fact that window assembly 1 is inexpensive to manufacture in comparison to conventional window assemblies in that certain hardware and in particular sash balances are not required in the assembly. The interlock bars 11 provide a friction surface which assists in holding the operating sash at different desired open positions relative to the frame. However, the friction is not so great that it makes the sash difficult to open and close and Figure 5 of the drawings, shows a feature which allows adjustability of the interlock bars so that they can be set at just the right friction grip relative to the sash. Specifically, adjustment members 14 are secured by threaded stems 15 at spaced locations along the interlock bar 11. The threaded stems 15 allow the adjustment members 14 to be either pulled in towards or pushed outwardly away from the interlock bar which either reduces or increases respectively the degree to which the interlock bar is pushed into the sash grooves 21 from the frame. When the adjustment members 14 are threaded away from the bar it applies more pressure with greater frictional grip on the sash and when the adjustment members are threaded more closely to the interlock bar there is less friction applied to the sash.
As a further feature to ensure positively interlocked height settings of the sash relative to the frame, spring loaded latches 23 are mounted to the sash and the frame is provided with a series of spaced latch openings 6 into which the latches are sprung outwardly from the sash. The latches can then be pulled inwardly against the spring pressure to reposition the sash at different heights.
A final feature of the present invention is shown in Figure 11 of the drawings where the outside frame part 5 - 215327~
SJ-93a6-CA - 8 -which is to be located to the exterior of the building is provided with a groove 4 which runs completely around the frame. A resilient insert 8 is pressed into the groove for holding a screen 10 onto the frame. If the screen is damaged, the insert 8 is easily removable from the groove to replace the screen.
The above construction is different from conventional assemblies in which a totally separate screen frame is fitted to the window frame supporting the sash.
Although various preferred embodiments of the present invention have been described herein in detail, it will be appreciated by those skilled in the art, that variations may be made thereto without departing from the spirit of the invention or the scope of the appended claims.
FTF~Tln OF THE INVENTION
The present invention relates to a window assembly with a sliding sash held in its surrounding frame by an interlock which allows part of the frame to be removed with the sash being held by the interlock to the remaining part of the frame. This allows the window to be installed in working condition in a door or wall opening.
BACKGROUND OF THE INVENTION
In a typical window assembly the sash or sashes must be removed from the frame which is completely dismantled in order to install the window assembly in a door or wall opening. Part of the frame is put in from one side of the opening and the sash must be held in place by the installer while the other part of the frame is installed from the other side of the opening. Accordingly, window installations can be time consuming and difficult particularly in view of the fact that the installer must hold all of the parts in proper alignment with one another to ensure that the sash or sashes will slide properly within the frame. If the sash does not properly slide within the frame, this is only discovered after the installation has been completed and requires the entire assembly to be removed and refitted into position in the opening.
SUMMARY OF THE INVENTION
The present invention provides a window assembly specifically designed to overcome the drawbacks described above found in conventional existing window assemblies.
More particularly, the window assembly of the present invention comprises a sash within a surrounding frame where the frame has first and second outside frame parts held in -SJ-9326-CA - 2 ~153276 spaced relationship to one another by a connecting frame part which is peripherally recessed relative to the outside frame parts. The assembly further includes interlocking means between the connecting frame part and the sash such that the sash r~m~;n~ with the connecting frame part through the interlocking means when one of the frame parts is removed from the frame for installation of the window assembly in a door or wall opening.
The window assembly of the present invention enables fitting of the sash to the frame prior to installation to ensure that the sash is in proper working condition and maintains that fitting during the window installation procedure.
The window assembly of the present invention further eliminates the requirement for sash balances which makes it substantially less costly than conventional operating windows and further has added safety benefits over conventional windows because of the interlock between the sash and the frame.
BRIEF DF~CRIPTION OF THE DRAWINGS
The above as well as other advantages and features of the present invention will be described in greater detail according to the preferred embodiments of the present invention in which;
Figure 1 is a perspective view of a door fitted with a window assembly according to a preferred embodiment of the present invention;
Figure 2 shows a partial dismantling of the window assembly for installation in the door opening of Figure l;
Figure 3 is a perspective view of the window assembly of Figure 1 when removed from the door;
- 21~327~
Figure 4 is an enlarged perspective view of an upper end of one of the jambs from the frame of the window assembly of Figure 3;
Figure 5 is an enlarged partially exploded perspective view of a lower region of one of the frame jambs from the window assembly of Figure 3;
Figure 6 is an enlarged perspective view of the window assembly of Figure 3 showing partial release of the interlocking bar between the sash and the frame from the window assembly;
Figure 7 is a top view of the operating sash from the window assembly of Figure 6;
Figure 8 is a side view of the interlocking bar from the window assembly of Figure 6;
Figure 9 is a front view of the window assembly of Figure 6;
Figure 10 is a further front view of the window assembly of Figure 6 with the operating sash removed from the window assembly;
Figure 11 is a perspective view of a corner region of a window assembly according to a further preferred embodiment of the present invention.
DF.TAILED DF..~CRIPTION ACCORDING TO THE PREFF.~R~n FMRODIMENTS OF THE PRESF.NT INVF.NTION
Figure 1 shows a window assembly generally indicated at 1 installed in a door. As will be appreciated, the same window assembly can easily be fitted into a wall.
Window assembly 1 preferably has a vinyl construction although other materials can equally as well be used.
The overall window assembly, when removed from the door, is well shown in Figures 3 and 6 of the drawings.
` `- 21~3276 SJ-93a6-CA - 4 -The assembly comprises a frame generally indicated at 3 which comprises a pair of outside frame parts 5 and an intermediate frame part 7 which connects the two frame parts 5 in spaced relationship from one another. As can be well seen in Figure 4 of the drawings, the connecting frame part 7 is peripherally recessed relative to the outside frame parts 5 which act as retainers for securing the window assembly in the door or wall opening. The outside frame parts 5 can either be snapped or mechanically secured to the connecting frame part 7. Regardless of the means of securing all of the frame parts to one another, at least one of the outside frame parts 5 is easily removable from the connecting frame part 7. For security purposes, the removable outside frame part is located to the inside of a building to which the window is fitted.
It is also possible to have both outside frame parts easily removable from the connecting frame part, particularly when working with mechanical securing means which secures through all of the frame parts and again is only accessible from the inside of the building.
As is well shown in Figures 4 and 5 of the drawings, the connecting frame part 7 includes an interior groove 9 in which a bar or strip 11 is secured. Figure 7 shows that the lower operating sash 19 of the window includes a groove 21 which aligns with the frame groove 9 and into which the interlocking strip or bar 11 fits. As can well be seen from Figures 7 and 9 of the drawings, the frame in fact includes grooves to either side of the frame into which a pair of bars are fitted and the sash includes opposite side grooves 21 aligned with the frame grooves for receiving the two interlocking bars 11.
The window includes an non-operating sash 17 and the bars 11 run from the bottom of the frame terminating just short of the top of the frame beside the non-operating 21~3276 sash. Accordingly, not only do the bars interlock the operating sash with the frame, but in addition, they provide guide rails for movement of sash 19.
Figure 2 of the drawings, shows one of the key features of the present invention which substantially eases installation of the window assembly in comparison to prior art window assemblies. More particularly the two sashes 17 and 19 are secured directly to the connecting frame part 7 with the operating sash 19 as shown being secured to the connecting frame part through the interlocking bars 11.
Similar interlock bars may be used to hold the fixed sash to the interlocking frame part. This enables removal of one of the frame parts 5 while the two sashes ares secured to the remaining partially assembled frame with the sliding sash being completely operative within the frame. The connecting frame part as well as the other outside frame part which does not need to be removed from the connecting frame part are inserted from the outside of the door through the door opening and the frame part 5 which was previously removed from the window assembly is refitted with the assembly at the inside of the building to hold the assembly in its installed position.
Because the operating sash does not have to be removed for installation purposes, it can be properly fitted with the frame away from the job site without having to tamper with it during installation of the overall window assembly. Furthermore, when the window is installed, the interlocking bars provide a very decided safety advantage over conventional window assemblies in that they interlock the operating sash with the frame and block removal of the operating sash from the window assembly.
It is however desirable at appropriate times to make the operating sash removable when for example wishing to create a relatively large window opening to pass objects - 21~3Z~6 SJ-93a6-CA - 6 -such as construction material through the window. This objective is achieved in accordance with the present invention by making either one or both of the interlock bars 11 removable from the frame following which the operating sash can also be removed. This feature of the present invention is best shown having reference to Figures 4, 6 and 10 of the drawings. More particularly, Figure 4 of the drawings shows that the interlocking bar 11 is secured at its upper end to the connecting frame part 7 by a mechanical fastener 13. This mechanical fastener may be in the form of a screw which is only accessible from the inside of the window. The bar itself has a two piece construction comprising upper and lower legs secured by a hinge 12 as best seen in Figure 8 of the drawings. This hinge allows a bending action between the upper and lower legs of the bar.
A particularly good material for making the hinge is polypropylene which can be bent or flexed almost an infinite number of times without breaking.
As earlier described the upper leg of the bar 11 terminates slightly short of the upper end of the frame as seen in Figure 4 of the drawings. Accordingly, when the operating sash is in its lowermost position as shown in Figure 6 and with the mechanical fastener 13 removed, the upper leg of bar 11 can be bent at hinge 12 inwardly of the frame allowing the lower leg of the bar to be slid up and out of the aligned frame and sash grooves. This then enables the operating sash to be slid out from one side of the frame as shown in Figure 10 of the drawings without having to remove the frame from the door or window opening.
If there is a particularly snug fit between the operating sash and the frame, then both interlock bars can be removed in the same manner as that described above to ease in removal of the sash from the frame.
- 2153~76 A further feature of the present invention resides in the fact that window assembly 1 is inexpensive to manufacture in comparison to conventional window assemblies in that certain hardware and in particular sash balances are not required in the assembly. The interlock bars 11 provide a friction surface which assists in holding the operating sash at different desired open positions relative to the frame. However, the friction is not so great that it makes the sash difficult to open and close and Figure 5 of the drawings, shows a feature which allows adjustability of the interlock bars so that they can be set at just the right friction grip relative to the sash. Specifically, adjustment members 14 are secured by threaded stems 15 at spaced locations along the interlock bar 11. The threaded stems 15 allow the adjustment members 14 to be either pulled in towards or pushed outwardly away from the interlock bar which either reduces or increases respectively the degree to which the interlock bar is pushed into the sash grooves 21 from the frame. When the adjustment members 14 are threaded away from the bar it applies more pressure with greater frictional grip on the sash and when the adjustment members are threaded more closely to the interlock bar there is less friction applied to the sash.
As a further feature to ensure positively interlocked height settings of the sash relative to the frame, spring loaded latches 23 are mounted to the sash and the frame is provided with a series of spaced latch openings 6 into which the latches are sprung outwardly from the sash. The latches can then be pulled inwardly against the spring pressure to reposition the sash at different heights.
A final feature of the present invention is shown in Figure 11 of the drawings where the outside frame part 5 - 215327~
SJ-93a6-CA - 8 -which is to be located to the exterior of the building is provided with a groove 4 which runs completely around the frame. A resilient insert 8 is pressed into the groove for holding a screen 10 onto the frame. If the screen is damaged, the insert 8 is easily removable from the groove to replace the screen.
The above construction is different from conventional assemblies in which a totally separate screen frame is fitted to the window frame supporting the sash.
Although various preferred embodiments of the present invention have been described herein in detail, it will be appreciated by those skilled in the art, that variations may be made thereto without departing from the spirit of the invention or the scope of the appended claims.
Claims (12)
1. A window assembly comprising a sash within a surrounding frame, said frame having first and second outside frame parts held in spaced relationship from one another by a connecting frame part which is peripherally recessed relative to said outside frame parts, and interlocking means between said connecting frame part and said sash, said sash being secured to said connecting frame part by said interlocking means with one of said outside frame parts removed from said frame for installation of said window assembly in a door or wall opening.
2. A window assembly as claimed in Claim 1, wherein said sash includes a sash groove and wherein said connecting frame part is fitted with a bar fitted into said sash groove.
3. A window assembly as claimed in Claim 2, wherein said bar is removable from between said connecting frame part and said sash allowing removal of said sash from said frame.
4. A window assembly as claimed in Claim 3, wherein said connecting frame part includes a frame groove aligned with said sash groove, said bar being removably secured in said frame groove, and said bar being bendable to provide sufficient clearance to remove said bar from said frame allowing the removal of said sash from said frame.
5. A window assembly as claimed in Claim 1, wherein said frame includes frame grooves on opposite interior sides of said connecting frame part, said sash includes sash grooves to opposite sides of said sash aligned with said frame grooves and said interlocking means comprises a pair of bars, one fitted in each of said aligned frame and sash grooves.
6. A window assembly as claimed in Claim 5, wherein at least one of said bars is removable from said assembly for removal of said sash from said frame.
7. A window assembly as claimed in Claim 6, wherein both of said bars are removable.
8. A window assembly as claimed in Claim 1, wherein said window assembly does not have sash balances and wherein said interlock means provides a friction support for weight of said sash.
9. A window assembly as claimed in Claim 8, including latches for holding said sash in different positions relative to said frame.
10. A window assembly as claimed in Claim 9, wherein said latches are spring loaded and are mounted on said sash, said frame having latch grooves to receive said latches on said sash.
11. A window assembly as claimed in Claim 1, having a thermoplastic construction.
12. A window assembly as claimed in Claim 4, having a thermoplastic construction, said bar having a hinge for bending of said bar, said hinge having a polypropylene construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2153276 CA2153276A1 (en) | 1995-07-05 | 1995-07-05 | Window with sash interlock strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2153276 CA2153276A1 (en) | 1995-07-05 | 1995-07-05 | Window with sash interlock strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2153276A1 true CA2153276A1 (en) | 1997-01-06 |
Family
ID=4156175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2153276 Abandoned CA2153276A1 (en) | 1995-07-05 | 1995-07-05 | Window with sash interlock strip |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2153276A1 (en) |
-
1995
- 1995-07-05 CA CA 2153276 patent/CA2153276A1/en not_active Abandoned
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| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |
Effective date: 20000705 |