CA1227606A - Friction supported stays for windows - Google Patents
Friction supported stays for windowsInfo
- Publication number
- CA1227606A CA1227606A CA000462333A CA462333A CA1227606A CA 1227606 A CA1227606 A CA 1227606A CA 000462333 A CA000462333 A CA 000462333A CA 462333 A CA462333 A CA 462333A CA 1227606 A CA1227606 A CA 1227606A
- Authority
- CA
- Canada
- Prior art keywords
- track
- stay
- strut
- friction
- bar
- 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.)
- Expired
Links
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- Holders For Apparel And Elements Relating To Apparel (AREA)
Abstract
Abstract Improvements in friction supported stays for windows A friction supported stay comprising a track 10 secured vertically to a windowframe with a slider 15 connected by link 18 to a strut 16 in turn connected to bar 24 which is also connected to slider 15 by a link 21.
The bar, which is normally connected to the window has a nose member 35 which engages in a plastic, shaped cap member 14.
The cap member 14 has internal cam surfaces 36,37 which are asymmetrically disposed with respect to the central longitudinal axis of the track. One cam surface is at a greater angle to the axis than the other.
The corresponding surfaces of the nose portion 35 of strut 24 are similarly inclined to each other and to the axis of strut 24.
The bar, which is normally connected to the window has a nose member 35 which engages in a plastic, shaped cap member 14.
The cap member 14 has internal cam surfaces 36,37 which are asymmetrically disposed with respect to the central longitudinal axis of the track. One cam surface is at a greater angle to the axis than the other.
The corresponding surfaces of the nose portion 35 of strut 24 are similarly inclined to each other and to the axis of strut 24.
Description
(awoke A
Tlnproverrl( I s irk ire c ton sui~port.~n~
.'., Luke Tokyo I. TV , i. Grow . I , ,5 ICKY C l, I. Al 'J ur)po r` I; I. no y 'I, wrier w:I.ncIowcI~ of the corralled comprl..~-,'.i.rlg a tragic, a louder movable awing the track, a strut pivotal connected to the track, a brace pivotal connected between the sidecar and the strut, a l:irlk pivotal connected to the slur, and a bar pivotal conrIected to the Lyon and to the strut, the ~rra1lgerrIel-lt Boeing such that as -the solder moves Allen the -track the bar can .SWit'Ig from a piston Gverly:ine the track to a position where it issue angled with respect lo to the track.
no use, two such supporting stays are normally provided at opposite sides of a window, -the track o* 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, about either a vertical : or a horizontal axis, the axis 'of pivoting of the window sash moves away prom the window frame so that when the window is-open both slides thereof are accessible from one side of the window frame.
. . The window swishes frictionally restrained in any angular position to which it is set. This frictional restraint may be provided portly by the friction at the : pivotal connections between the various elements but is largely provided by the frictional engagement between the slider and the track.
Irk friction supporting stays of` this kind, the end of the track remote from the strut is normal provided : with a cap member providing two internal cam surfaces meeting at an apex, and the end o* the bar which overlies the track when -the stay is in the closed position is provided with a correspondingly shaped nose portion which : enters the cap member and engages the earn surfaces with a wedging action as the stay is moved into the closed position.
:, - .. I,.. .
, ~2~7~0~i
Tlnproverrl( I s irk ire c ton sui~port.~n~
.'., Luke Tokyo I. TV , i. Grow . I , ,5 ICKY C l, I. Al 'J ur)po r` I; I. no y 'I, wrier w:I.ncIowcI~ of the corralled comprl..~-,'.i.rlg a tragic, a louder movable awing the track, a strut pivotal connected to the track, a brace pivotal connected between the sidecar and the strut, a l:irlk pivotal connected to the slur, and a bar pivotal conrIected to the Lyon and to the strut, the ~rra1lgerrIel-lt Boeing such that as -the solder moves Allen the -track the bar can .SWit'Ig from a piston Gverly:ine the track to a position where it issue angled with respect lo to the track.
no use, two such supporting stays are normally provided at opposite sides of a window, -the track o* 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, about either a vertical : or a horizontal axis, the axis 'of pivoting of the window sash moves away prom the window frame so that when the window is-open both slides thereof are accessible from one side of the window frame.
. . The window swishes frictionally restrained in any angular position to which it is set. This frictional restraint may be provided portly by the friction at the : pivotal connections between the various elements but is largely provided by the frictional engagement between the slider and the track.
Irk friction supporting stays of` this kind, the end of the track remote from the strut is normal provided : with a cap member providing two internal cam surfaces meeting at an apex, and the end o* the bar which overlies the track when -the stay is in the closed position is provided with a correspondingly shaped nose portion which : enters the cap member and engages the earn surfaces with a wedging action as the stay is moved into the closed position.
:, - .. I,.. .
, ~2~7~0~i
- 2 Norlrlt~lly, c shy ox to p tar I pi r to '3~3 or Oil lyre ~-"~ Al Kiwi L 1;0 id thy Surly mill blue opcrle(l yin elt;l~er clLfecllorl frown lye closed pos:lt:lorl. I-lowever, in Stifles rlbove a sirloin size, for use with large Wilds, there is inevitably some deflection of the components of the stay due to the weight of the window and it is sometimes found Lotte, due -to thus deflection -the nose portion on the bar becomes displaced prom ills cles:Lgrled path ox movernerlt awl the window is closed lo so they'll; it does no-t enter -the cap member and engQe~e the cam surfaces but instead sterilizes -the outer surface of the cap member. The present invention provides a modified shape of cap member and nose portion in such a stay to overcome -this problem and thus render the stay suitable for use in large sizes and with heavy windows.
According to the invention, in a friction stay of the kind last referred to, the internal cam surfaces on the cap member are asymmetrically disposed with respect to the central longitudinal axis of the tract, one cam surface being at a greater angle to the axis than the other, the corresponding surfaces on the nose portion of the bar being correspondingly inclined.
Preferably the apex between the -two inclined cam surfaces on the cap member is displaced to one side of the central longitudinal axis of -the track, so that the surface inclined at a greater angle to the assay intersects the axis.
Preferably one of said cam surfaces is so disposed as to prevent movement of the bar past -the track in one direction. For example, said surface may extend substantially parallel to the central longitudinal axis Or the track. This means that the window on which the - stay is fitted can then only be opened and closed to one side of the stay.
In friction stays of the kind first referred to, Isle strut J- usually pLvottllly corll~c(t((l to tl1~J tr~lCIC by melange owe l rlvot, arid In two Kiwi o'er two track if.;
Chilean Lionel Thea web ox Lowe clllr~rlcl secl;iorlrmly ha derailed UpW~l:r'(ll.y Worry toll rivet pus en trough i 1, It prevailed a support row the erld ox` tulle strut jut -t above -the snide wall of the choline sect loll. A disadv~rltage o r thus arrangelnen-t is that -the metal Our the web of the track is fairly thin and therefore engages only a short length Or -the chainlike of the rivet, proviclLng Little support lo against tilting Or Lowe revel Wealth corlti.rlued use of the stay, therefore, the rnet.cl:L O r the lack terlcl~ to become worn and/or deformed and the rivet becomes loose leading to inaccuracy in operation of the stay. A further aspect of the present invention therefore provides a mounting arrangement for the strut on the track which overcomes this disadvantage.
According to this aspect of the invention, in a friction stay of any of the Icings referred to above, the strut is pivotal mounted on a block which is secured I to the track. The block, which may be formed from plastics, may be secured to the track by the same rivet which also - pivotal connects the strut to the block. Alternatively or additionally the block may be secured to the tragic by further securing means.
In the case where the track is in the form of a channel having internode flanges along the extremities of the side walls thereof, the block may be shaped to be located within said channel and formed with longitudinal recesses to receive said flanges.
Preferably the block has a surface portion which projects above the surface of the track to provide a bearing surface to prevent components of the stay, particularly the strut and brace, prom binding against the track itself. Preferably the block extends along a I substantial length of the tragic beyond the area of the .
.
~22~606 plot hotly the .5 troll t nod the truck .
Tile fC)LI.OWI.11g Lo fly duct eta lucre twirl Our aft embo~.ll.mcnt of two .i.rlvclll;:lon, by way of extlmEJI.e, rc:~cr~rlc being~rnflde to the accompurly.lng drooling inn ~/hl.cll:
F I Gore 1 it a plan view of a supporting stay according to the invention shown in a portly open piston, and Figure 2 it a section, on an cnlaryed Scholl through one Our the pivot; joints between two components.
lo Or the stay.
Referri.rlg to Figure 1 -the supporting stay cornpr:Lses a channel-sectioned track member 10 hiving longitudinal interned flanges 11. The track rmernber is ion use of the stay, normally secured vertically to the window frame, two stays being provided at opposite sides respectively of the window frame. Fixing holes 12 are provided in the web 13 of the track member -to receive fixing screws. At its upper end the track member is closed by a plastics.
shaped cap member 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 secured by means of a rivet.
A slider 15 is slid able along the track member and is provided with longitudinal grooves to receive the flanges 11 of the track member. Thus the slider must be introduced into the track member before the cap member 14 is fitted.
An elongate cranked metal strut 16 is pivotal connected to the track member 10 by a rivet 17 which passes through an elongate plastics block 31 which is of similar cross-sectional shape to the slider 15 and is received within the channel of the -track member having longitudinal.
grooves to receive the flanges 11. The rivet 1.7 may pass through both the block 31. and the web 13 of the track member or Kit may pass only through the block 31 the ' . .
~22~)6 to Blake be ,e(urccl to toe truck Marlboro ho other Muriel, for exarrlp:Lo lay rnealls of r:l.vc if; '32 .
An e:l.orlr~al,e brook issue pivot lay conrlectc~tJ it one erlcl, ho a rivet 19, It the seedier 1.5 and at the opposite end thereof, Lowe a rivet 20, to a part Or the strut 16 inte:rrned:l.al:e -the ends -thereof. The strut 16 has a longitudinal channel]. 33, of curved cross-section, deformed out of the surface thereof to increase the rigidity old the strut.
A short; :linlc 21 its p:l.votcl:Lly corll-lected to the slider 15 by a rivet 22 at 1 location spaced from the rivet 19.
The opposite end o-f` the link 21 is plvotally connected by a rivet 23 to one end of a bar 24, which is in turn pivotal 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 pivotal connected between the brace 18 and the bar 24, parallel to the strut 16, if required.
The bar 24 is, in use, connected to the side member of the window sash frame and fixing holes 27 are provided for this purpose.
lrl 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 16, brace 18 and link 21 also overlie the track member 10 when the window is in a closed position.
The upper end of the bar 24 has mounted thereon, by means of the rivet 23 and a further rivet 34, a nose member 35 which cooperates with the cap member 14 as the window is closed.
The cap member 14 is provided with two internal 35 surfaces 36 and 37 which meet at an apex 38 Wesley is . .
~2Z~76~6 G -d.i.r,p:lclcc~c1 to or1c1 Seiko our Tao centrical lon~:1tud:Ln.l:1 Allis owe the wreck m--mbe1 '1Ø '['he sur:~clcc 36 e~l;en~ls gc~n(ra'1.]y puerilely to said axis.; arid the sloughs 37 us :i.ncl.:1.ntd ~;cJ
awoke lo) :1.nt;er~-;ecl the axles. '['ho Nazi menlber 35 on thwack bar I is formed with correspondingly shaped surfaces 39 and I .
As the bar I moves to the closed position, the inclined surface 40 on the nose member 35 engages the inclined surface 37 on the cap I ilk a wec]gi.r1fl action, lo bringing the surface 39 into abutting erlp~a~en1er1t with the surface' 36. The surface 39 issue formed in a rebate in the nose member 35 to permit the bar 24 to overlie the track.
It wit]. be seen that engagement between the surfaces 39 and 36 prevents the stay being opened to the left hand side of the track member lo as viewed in Figure l. The asymmetric arrangement owe the nose member 35 and cap - member 14 ensures -that the nose member enters the angle in the carp member even though the elements ox the stay may be deflected due to the weight of a window mounted on the bar 24. As previously explained, in conventional friction stays the nose portion on the upper end of the bar 24 lo SO shaped that if the elements of the stay become deflected it is possible for the nose portion to strike the outer right hand side of` try cap 14 and thus 25' prevent the nose portion entering the cap.
It will be seen that since the slider 15 and block 31 each have portions thereof overlying the flanges if of the track member, they serve to prevent the emanates of the stay, particularly the link 21, brace 18 and strut 16, front binding anisette the flanges of the track member, which might otherwise happen due to deflection of the stay elements under the weight of the window.
Any suitable form of pivotal conr1ec-tion may be employed between the elements of the stay, but Figure 2 shows a preferred arrangeme1l-t where a plastics bush lo 76~06 . , encircle Islet sl~nrllc our: two rivet I rlrld is ptov:l.ck~d Wylie aft oul,wr..lrd:l.y proJoc~l,:irlr~ per:l.pllcrr~ roll Zen I lo f;cprlrrltc:
two two corllporlc)llts owe two stay. to Wylie by Cyril that the Hess l;llrollr~,h the Steele cornporlents are counter bored to recol.vc the hulked and twill. rnes~ect,ivcly Or the rivet. The prov:Lsiol-l ox tune plastics bush r.-lround the rivet reduces rental to-metcl:L conL;rlct and thus reduces wear of the holes ion (the stay components which might otherwise lead to looscll:in~ owe tune pivotal conntctiorls r~ncl inaccurltt .1.0 opportune owe the stay.
:
According to the invention, in a friction stay of the kind last referred to, the internal cam surfaces on the cap member are asymmetrically disposed with respect to the central longitudinal axis of the tract, one cam surface being at a greater angle to the axis than the other, the corresponding surfaces on the nose portion of the bar being correspondingly inclined.
Preferably the apex between the -two inclined cam surfaces on the cap member is displaced to one side of the central longitudinal axis of -the track, so that the surface inclined at a greater angle to the assay intersects the axis.
Preferably one of said cam surfaces is so disposed as to prevent movement of the bar past -the track in one direction. For example, said surface may extend substantially parallel to the central longitudinal axis Or the track. This means that the window on which the - stay is fitted can then only be opened and closed to one side of the stay.
In friction stays of the kind first referred to, Isle strut J- usually pLvottllly corll~c(t((l to tl1~J tr~lCIC by melange owe l rlvot, arid In two Kiwi o'er two track if.;
Chilean Lionel Thea web ox Lowe clllr~rlcl secl;iorlrmly ha derailed UpW~l:r'(ll.y Worry toll rivet pus en trough i 1, It prevailed a support row the erld ox` tulle strut jut -t above -the snide wall of the choline sect loll. A disadv~rltage o r thus arrangelnen-t is that -the metal Our the web of the track is fairly thin and therefore engages only a short length Or -the chainlike of the rivet, proviclLng Little support lo against tilting Or Lowe revel Wealth corlti.rlued use of the stay, therefore, the rnet.cl:L O r the lack terlcl~ to become worn and/or deformed and the rivet becomes loose leading to inaccuracy in operation of the stay. A further aspect of the present invention therefore provides a mounting arrangement for the strut on the track which overcomes this disadvantage.
According to this aspect of the invention, in a friction stay of any of the Icings referred to above, the strut is pivotal mounted on a block which is secured I to the track. The block, which may be formed from plastics, may be secured to the track by the same rivet which also - pivotal connects the strut to the block. Alternatively or additionally the block may be secured to the tragic by further securing means.
In the case where the track is in the form of a channel having internode flanges along the extremities of the side walls thereof, the block may be shaped to be located within said channel and formed with longitudinal recesses to receive said flanges.
Preferably the block has a surface portion which projects above the surface of the track to provide a bearing surface to prevent components of the stay, particularly the strut and brace, prom binding against the track itself. Preferably the block extends along a I substantial length of the tragic beyond the area of the .
.
~22~606 plot hotly the .5 troll t nod the truck .
Tile fC)LI.OWI.11g Lo fly duct eta lucre twirl Our aft embo~.ll.mcnt of two .i.rlvclll;:lon, by way of extlmEJI.e, rc:~cr~rlc being~rnflde to the accompurly.lng drooling inn ~/hl.cll:
F I Gore 1 it a plan view of a supporting stay according to the invention shown in a portly open piston, and Figure 2 it a section, on an cnlaryed Scholl through one Our the pivot; joints between two components.
lo Or the stay.
Referri.rlg to Figure 1 -the supporting stay cornpr:Lses a channel-sectioned track member 10 hiving longitudinal interned flanges 11. The track rmernber is ion use of the stay, normally secured vertically to the window frame, two stays being provided at opposite sides respectively of the window frame. Fixing holes 12 are provided in the web 13 of the track member -to receive fixing screws. At its upper end the track member is closed by a plastics.
shaped cap member 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 secured by means of a rivet.
A slider 15 is slid able along the track member and is provided with longitudinal grooves to receive the flanges 11 of the track member. Thus the slider must be introduced into the track member before the cap member 14 is fitted.
An elongate cranked metal strut 16 is pivotal connected to the track member 10 by a rivet 17 which passes through an elongate plastics block 31 which is of similar cross-sectional shape to the slider 15 and is received within the channel of the -track member having longitudinal.
grooves to receive the flanges 11. The rivet 1.7 may pass through both the block 31. and the web 13 of the track member or Kit may pass only through the block 31 the ' . .
~22~)6 to Blake be ,e(urccl to toe truck Marlboro ho other Muriel, for exarrlp:Lo lay rnealls of r:l.vc if; '32 .
An e:l.orlr~al,e brook issue pivot lay conrlectc~tJ it one erlcl, ho a rivet 19, It the seedier 1.5 and at the opposite end thereof, Lowe a rivet 20, to a part Or the strut 16 inte:rrned:l.al:e -the ends -thereof. The strut 16 has a longitudinal channel]. 33, of curved cross-section, deformed out of the surface thereof to increase the rigidity old the strut.
A short; :linlc 21 its p:l.votcl:Lly corll-lected to the slider 15 by a rivet 22 at 1 location spaced from the rivet 19.
The opposite end o-f` the link 21 is plvotally connected by a rivet 23 to one end of a bar 24, which is in turn pivotal 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 pivotal connected between the brace 18 and the bar 24, parallel to the strut 16, if required.
The bar 24 is, in use, connected to the side member of the window sash frame and fixing holes 27 are provided for this purpose.
lrl 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 16, brace 18 and link 21 also overlie the track member 10 when the window is in a closed position.
The upper end of the bar 24 has mounted thereon, by means of the rivet 23 and a further rivet 34, a nose member 35 which cooperates with the cap member 14 as the window is closed.
The cap member 14 is provided with two internal 35 surfaces 36 and 37 which meet at an apex 38 Wesley is . .
~2Z~76~6 G -d.i.r,p:lclcc~c1 to or1c1 Seiko our Tao centrical lon~:1tud:Ln.l:1 Allis owe the wreck m--mbe1 '1Ø '['he sur:~clcc 36 e~l;en~ls gc~n(ra'1.]y puerilely to said axis.; arid the sloughs 37 us :i.ncl.:1.ntd ~;cJ
awoke lo) :1.nt;er~-;ecl the axles. '['ho Nazi menlber 35 on thwack bar I is formed with correspondingly shaped surfaces 39 and I .
As the bar I moves to the closed position, the inclined surface 40 on the nose member 35 engages the inclined surface 37 on the cap I ilk a wec]gi.r1fl action, lo bringing the surface 39 into abutting erlp~a~en1er1t with the surface' 36. The surface 39 issue formed in a rebate in the nose member 35 to permit the bar 24 to overlie the track.
It wit]. be seen that engagement between the surfaces 39 and 36 prevents the stay being opened to the left hand side of the track member lo as viewed in Figure l. The asymmetric arrangement owe the nose member 35 and cap - member 14 ensures -that the nose member enters the angle in the carp member even though the elements ox the stay may be deflected due to the weight of a window mounted on the bar 24. As previously explained, in conventional friction stays the nose portion on the upper end of the bar 24 lo SO shaped that if the elements of the stay become deflected it is possible for the nose portion to strike the outer right hand side of` try cap 14 and thus 25' prevent the nose portion entering the cap.
It will be seen that since the slider 15 and block 31 each have portions thereof overlying the flanges if of the track member, they serve to prevent the emanates of the stay, particularly the link 21, brace 18 and strut 16, front binding anisette the flanges of the track member, which might otherwise happen due to deflection of the stay elements under the weight of the window.
Any suitable form of pivotal conr1ec-tion may be employed between the elements of the stay, but Figure 2 shows a preferred arrangeme1l-t where a plastics bush lo 76~06 . , encircle Islet sl~nrllc our: two rivet I rlrld is ptov:l.ck~d Wylie aft oul,wr..lrd:l.y proJoc~l,:irlr~ per:l.pllcrr~ roll Zen I lo f;cprlrrltc:
two two corllporlc)llts owe two stay. to Wylie by Cyril that the Hess l;llrollr~,h the Steele cornporlents are counter bored to recol.vc the hulked and twill. rnes~ect,ivcly Or the rivet. The prov:Lsiol-l ox tune plastics bush r.-lround the rivet reduces rental to-metcl:L conL;rlct and thus reduces wear of the holes ion (the stay components which might otherwise lead to looscll:in~ owe tune pivotal conntctiorls r~ncl inaccurltt .1.0 opportune owe the stay.
:
Claims (9)
1. A friction supporting stay 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, the end of the track remote from the strut being provided with a cap member embodying two internal cam surfaces meeting at an apex, and the end of the bar which overlies the track when the stay is in the closed position being provided with a correspondingly shaped nose portion which enters the cap member and engages the cam surfaces with a wedging action as the stay is moved into the closed position, the internal cam surfaces on the cap member being asymmetrically disposed with respect to the central longitudinal axis of the track, one cam surface being at a greater angle to the axis than the other, the corresponding surfaces on the nose portion of the bar being correspondingly inclined.
2. Friction supporting stay according to claim 1, in which the apex between the two inclined cam surfaces on the cap member is displaced to one side of the central longitudinal axis of the track, so that the surface inclined at a greater angle to the axis intersects the axis.
3. Friction supporting stay according to claim 1 and in which one of said cam surfaces is so disposed as to prevent movement of the bar past the track in one direction.
4. Friction supporting stay according to claim 3 and in which said one of said cam surfaces extends substantially parallel to the central longitudinal axis of the track so that the window on which the stay is fitted can only be opened and closed to one side of the stay.
5. Friction stay aacording to claim 1 and in which the strut is pivotally mounted on a block which is secured to the track.
6. Friction stay according to claim 5 and in which the block is secured to the track by the same rivet which pivotally connects the strut to the block.
7. Friction stay according to claim 5 in which the track is in the form of a channel having inturned flanges along the extremities of the side walls thereof, the block being shaped to be located within said channel and formed with longitudinal recesses to receive said flanges.
8. Friction stay according to any of claims 5, 6 or 7 and in which the block has a surface portion which projects above the surface of the track to provide a bearing surface to prevent components of the stay from binding against the track itself.
9. Friction stay according to any of claims 5, 6 or 7 and in which the block extends along a substantial length of the track beyond the area of the pivot between the strut and the track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000462333A CA1227606A (en) | 1984-09-04 | 1984-09-04 | Friction supported stays for windows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000462333A CA1227606A (en) | 1984-09-04 | 1984-09-04 | Friction supported stays for windows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1227606A true CA1227606A (en) | 1987-10-06 |
Family
ID=4128635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000462333A Expired CA1227606A (en) | 1984-09-04 | 1984-09-04 | Friction supported stays for windows |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1227606A (en) |
-
1984
- 1984-09-04 CA CA000462333A patent/CA1227606A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |