EP0331273A2 - Raccord pivotant pour rail de store - Google Patents
Raccord pivotant pour rail de store Download PDFInfo
- Publication number
- EP0331273A2 EP0331273A2 EP89300023A EP89300023A EP0331273A2 EP 0331273 A2 EP0331273 A2 EP 0331273A2 EP 89300023 A EP89300023 A EP 89300023A EP 89300023 A EP89300023 A EP 89300023A EP 0331273 A2 EP0331273 A2 EP 0331273A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- junction assembly
- corner junction
- tracks
- traveller
- blind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/36—Lamellar or like blinds, e.g. venetian blinds with vertical lamellae ; Supporting rails therefor
Definitions
- the invention relates to a blind apparatus and, in particular to a corner junction assembly for use in connecting two adjacent lengths of blind track.
- Vertical slat blinds are well known and comprise a track having a plurality of blind travellers movable therealong. Vertical blind slats are suspended from the travellers. The travellers can be drawn to and fro along the track, and the individual blind slats can be rotated so as to open or close the blinds.
- Traveller operating or control means extend along the track and hang downwardly from one end of the track.
- the traveller control means that is to say both the traveller moving means and also the blind slat rotation means, can be located at one end of one length of the track, and all of the blind travellers in both lengths of track can be operated simultaneously.
- corner junction means is shown in the aforesaid patent and has proved to be satisfactory. However, it incorporates several different components which must be assembled together during assembly of the blind and this may, in practice, require a certain amount of skill.
- the practice for assembling such blinds is to, first of all, assemble the lengths of track in the factory, and set them at the correct angle. The traveller operating means are then adjusted as to length so as to extend around the correct arc at each corner.
- the blind installation is then disassembled and shipped but then must be reassembled on the customer's premises.
- the corner junction assembly shall be as short as possible.
- the blind slats are moved along the separate lengths of track in separate groups, although they are in fact moved simultaneously. When drawn fully to one side, the blind slats will hang, in groups, at the ends of their respective lengths of track. In order to avoid obstructing the ends of the tracks, it is thus desirable that the corner junction assembly at the ends of the tracks shall be as short as possible.
- the invention comprises a corner junction assembly for use in association with two adjacent blind tracks, such tracks each being adapted to carry slat-carrying travellers and each having at least one movable traveller control means, the corner junction assembly comprising at least one bearing ring means; at least one bearing hub means making a captive frictional fit within the bearing ring means to permit relative rotation thereof; track engagement means connected to respective ones of the bearing ring means and the bearing hub means for engagement with adjacent ends of respective ones of the tracks; and at least one movement transmission means adapted to be coupled to and to transmit movement from the traveller control means in one of the blind tracks to the traveller control means in the other of the blind tracks.
- a corner junction assembly in accordance with this invention comprises upper and lower bearing ring means and upper and lower bearing hub means, the upper bearing hub means making a captive frictional fit within the upper bearing ring means and the lower bearing hub means making a captive frictional fit within the lower bearing ring means, and the upper and lower bearing ring means being spaced apart.
- Such a corner junction assembly is usefully provided with an opening in one of the upper and lower bearing hub means and a removable closure means is provided for closing the opening.
- a corner junction assembly in accordance therewith includes a downwardly dependent arcuate cup member formed integrally with the upper bearing hub means, and a bearing surface of corresponding shape is formed on the upper bearing ring means to guidingly engage the exterior of the cup member.
- Such a cup member is usefully formed with a plurality of fracture lines parallel to one another at spaced intervals therearound, whereby portions of the cup member may be broken away during installation of the corner junction assembly with the blind tracks to accommodate different angular positions of those blind tracks.
- the bearing hub means of a corner junction assembly in accordance with this invention is usefully formed with a locking ring making a captive pressure fit within the bearing ring means.
- the movement transmission means comprises at least one length of control cord integrally formed with control cords in each of the tracks and constituting the aforementioned traveller control means, as well as at least one pulley for guiding such length of the control cord.
- such pulleys are mounted externally on the corner junction assembly.
- a corner junction assembly is intended for use with blind tracks in which the traveller control means are rotationally mounted and in such an embodiment such movement transmission means is adapted to transmit rotational movement between the traveller control means of the two blind tracks.
- a rotatable mounted movement transmission means can comprise a flexible coupling and at least one bearing means supporting the flexible coupling.
- such a flexible coupling is adapted to be connected to the traveller control means for conjoint rotation therewith but in such a manner that axial movement of the flexible coupling relative to at least one of the traveller control means is possible to accommodate different angular positions of the blind tracks.
- such rotatably mounted movement transmission means comprises interengaged gear means adapted to be secured to ends of the traveller control means of the blind tracks for conjoint rotation therewith.
- gear means are adapted to be secured to the ends of the traveller control means for conjoint rotation therewith while permitting axial movement of the gears means relative to at least one of the traveller control means to accommodate different angular positions of the tracks.
- Spring means are usefully provided to maintain such gear means in engagement with each other regardless of the relative angular positions of the tracks. If, however, such gear means are disposed for rotational movement through a rotational axial position of the corner junction assembly, then there is no need for relative axial movement of the gear means and the traveller control means during movement of the blind tracks into different angular positions.
- the invention is illustrated therein as a blind installation mounted in a situation in which there are three wall surfaces indicated generally as W, meeting at two corners indicated generally as C.
- blinds may be used in bay windows, or may be used to cover other openings or other surfaces, and the invention is not to be taken as exclusively limited to use in association with bay windows or, in fact, windows of an kind.
- a plurality, in this case, three, lengths of blind tracks generally indicated at 10, are shown mounted on the walls W, with the three lengths of track 10 meeting at the two corners C.
- Traveller control means are provided which, in this embodiment of the invention, are indicated as the control or pull cord 16 and the control rod 18.
- the cord 16 hangs downwardly at one end of one of the tracks 10 and is operative to move the slats 12 along the tracks 10.
- the control rod 18 is rotatable by movement of a control chain 19 to adjust the angular position of the slats 12 relative to the tracks 10.
- the hanging portion of the cord 16 and the control chain 19 are shown in a horizontal position in Figure 2 to clarify their functions.
- the tracks 10 and slats 12 may be of entirely conventional construction, such as are well known in the art and are made by a number of different manufacturers and are not, therefore, described in any detail, for the sake of clarity.
- the three lengths of blind track 10 are joined at the two corners C by means of corner junction assemblies in accordance with this invention and as indicated generally at 20.
- the corner junction assembly 20 in accordance with the invention will be seen to comprise five separate moulded components, namely an upper bearing ring member or means 22, an upper bearing hub member or means 24, a lower bearing ring member or means 26, a lower bearing hub member or means 28, and a closure means or plate 30, provided for the sake of appearance.
- Upper bearing ring member 22 comprises a generally annular bearing means 32, and an upstanding annular wall 34, forming an L-shaped structure in section.
- a downwardly dependent end plate 36 Along one side of the junction between the bearing means 32 and the wall 34, there is formed a downwardly dependent end plate 36, with a guidance opening or bearing 38 formed therethrough.
- a pair of generally rectangular track engagement means or mounting block members 40 are also integrally formed with the upper bearing ring member 22 and extend more or less normal thereto on either side of the plate 36 to define openings 41 on either side thereof.
- a bearing surface or arcuate guidance cuff 42 is formed integrally with one of block members 40 and the annular bearing means 32.
- a guidance pulley 43 is mounted on a guidance wedge portion 44 formed integrally with the other of blocks 40.
- a screw receiving recess 45 is formed in cuff 42.
- the upper bearing hub member 24 comprises an annular bearing hub 46, having an upper free edge terminating in a locking ring 48. Hub 46 and ring 48 are intended to make a snap fit through the bearing means 32, and to be rotatable therein.
- a flat disc-like plate 50 is formed integrally with the lower edge of the bearing hub 46.
- a generally partially cylindrically shaped downwardly dependent wall or cup member 52 extends downwardly from the perimeter of plate 50, thus forming what may be called an inverted cup-shaped structure.
- Fracture or break lines 54 are provided in the wall 52 for a purpose yet to be described.
- a downwardly-dependent planar flange 58 having a guidance opening or bearing means 60, is provided on plate 50 and has openings 61 on both sides for a reason yet to be described.
- Two generally wedge-shaped block portions 64 and 66 are formed on the exterior of the generally cylindrical wall 52.
- a screw-receiving recess 68 is usefully formed in the block portion 64 for a reason yet to be described.
- a guidance pulley 69 is mounted on block portion 66.
- Track engagement means or mounting block members 70 are formed on respective blocks 64 and 66, for engagement with one of the blind tracks 10.
- the lower bearing ring member 26 comprises an annular bearing ring 72, with an arcuate guidance cuff 74 formed therearound.
- An attachment flange 76 extends from the guidance cuff 74, and is usefull provided with a screw hole opening 78.
- a screw 80 passes through opening 78 and is received in screw receiving recess 45 in cuff 42 of upper bearing ring member 22.
- the lower bearing hub member 28 comprises a bearing hub ring 82, having at its upper free edge a locking ring 84. Rings 82 and 84 makes a snap fit within bearing ring 72 of bearing ring member 26, and are rotatable relative to one another.
- a generally outwardly-extending bearing flange 86 is formed around the lower edge of hub ring 82, and extends outwardly substantially normal thereto defining a generally L-shape in section.
- a downwardly-dependent annular wall 88 extends around the exterior of the flange 86.
- a mounting flange 90 is provided along one edge of flange 86, and has a screw receiving opening 92 for screw 94.
- Screw 94 is intended to be received in recess 68 in block portion 64 of upper bearing hub member 24.
- the flange 86 also defines a central opening 96 therethrough.
- the closure plate 30 comprises a fastening sleeve 98, with a locking ring 100 adapted to make a snap fit within opening 96.
- a generally flat disc-like plate 102 is moulded to the bottom edge of the sleeve 98.
- Screws indicated as 104 may be fastened through suitable holes drilled in the end portions of tracks 10, and such screws will then be received in screw recesses (not shown) formed in the respective block members 40 and 70.
- the corner junction assembly can be connected between two adjacent lengths of track 10 as shown in Figure 5, and the two lengths of track are then rendered swingable relative to one another, within the limits of the arc defined by the construction of the corner junction member.
- the traveller control means namely the control cord 16 and the control rod 18, extend through respective openings in the wall or cup member 52, and extend around the arc of the corner.
- Pull cords 16 are guided around the corner, by pulleys 43 and 69, and by a further pulley 105 mounted in the interior of the wall 52, typically by being fastened to the underside of the plate 50.
- control cord 16 runs through the spaces on opposite sides of plate 36 and flange 58 and there constitutes a movement transmission means. Portions of wall 52 may be broken away, along lines 54, to allow free passage of the pull cords through the corner assembly 20.
- Traveller engagement means such as buttons 107 are provided on cords 16, as described in U.S Patent 4,653,564, and require no further description.
- the control rods 18 may be coupled by means of a movement transmission means or flexible coupling 106, described below.
- a typical traveller 14 used in this type of blind is shown in Figure 6.
- the invention is equally applicable to blinds in which a modified form of traveller 108, as shown in Figure 7, is used.
- a control rod 110 is provided, for a similar purpose to the control rod 18 in the traveller 14; that is to say, the control rod 110 rotates the slats, as does the control rod 18 in the embodiment of Figure 6.
- the traveller 108 differs from the traveller 14 in that the pull cord 16 is replaced by a continuous screw rod 112.
- the interior of the traveller is so constructed that by the rotation of the screw rod 112 the travellers are caused to move to and fro along the track.
- two flexible couplings 114 and 116 would be provided in each corner: one joining two control rods 110 and, one joining two screw rods 112.
- the two flexible couplings would be similar to the single flexible coupling 106 shown in Figures 2, 3 and 8.
- the flexible coupling 106 is shown in more detail in Figure 8, from which it will be seen to comprise a length of helical wound spring wire 120, the two ends of which are embedded in identical coupling members or drive hubs 122 which are relatively elongated and which fit, with a certain degree of clearance, within openings or bearing means 38 and 60 of the corner ring member 22 and the bearing hub member 24 respectively (see Figure 3).
- Collars 124 are formed on hubs 122 and act as thrust plates, so as to ensure that the hubs 122 remain in the correct position, and rotate freely.
- hubs 122 are provided with splined recesses 126, to receive adjacent ends of the two control rods 18.
- the spring portion 120 is flexible (as shown in phantom) and will normally be straight, and can be flexed to fit around the desired angle to which the corner junction assembly 20 is set.
- a movement transmission means indicated generally as 130 comprises two crown gear wheels 132a, 132b each having identical teeth 134 formed thereon.
- the teeth 134 are formed essentially as pins or rods, with reinforcing web portions 136 ( Figure 10) extending therefrom at an angle.
- Both crown wheels 132 are formed with a splined recess 138 to receive the end of the respective control rod 18.
- a spring 140 Within each recess 138, there is provided a spring 140.
- the effect of the two springs 140 is to urge the two gear wheels 132a and 132b into engagement with one another at the various different angles to which the corner assembly may be set.
- One such form of track is shown in Figure 11 as 150.
- control elements 152 which are located externally on the concealed or rearward side of the tracks 150.
- the control elements 152 are attached to traveller brackets 154 connecting with the lead travellers in each group.
- the traveller brackets 154 extend through slots 156.
- the present invention provides a modified form of corner assembly indicated generally as 160.
- the corner junction assembly 160 is made substantially as shown in Figures 3 and 4, but without the interior pulleys for guiding the flexible elements.
- exterior pulley mounting brackets 162 are provided on the rearward or concealed side of the corner 160, having pulleys 164 mounted thereon.
- Two pulleys are provided for each of the flexible elements making a total of four in all.
- the two pulley mounting brackets 162 are attached to the corner assembly 160 in such a way that when the corner assembly is swung to a desired angular position, the pulley mounting brackets 162 will also swing apart from one another. Thus the pulleys 164 will remain in engagement with the flexible elements at all times.
- FIG. 12 in which there is indicated generally at 170 a corner junction assembly for use with tracks 172 housing control rods 110 for changing the rotational position of the slats and screw rods 112 for moving the slats along the tracks.
- Rotational movement is transferred in the corner junction assembly 170 between the control rods 110 in essentially the same manner as already described with reference to the embodiment shown in Figures 9 and 10.
- control rods 110 pass through inner bearing members 174 having splined axial bores 176 receiving the control rods 110 for co-rotation therewith.
- the inner bearing members 174 are rotatably received within bores 178 formed in fixed mounting sleeves 180.
- the ends of the control rods 110 are secured in openings in crown gear wheels 184a and 184b having teeth 185 by set screws 186. It has been found that, by disposing the drive transfer members so that the teeth 134 rotate through a position which lies essentially on the rotational axis 187 of the corner junction assembly 170, the need for relative axial movement of the control rods 110 and the crown gear wheels 184a and 184b is eliminated. Consequently, in this particular embodiment, there is no need for the compression springs 140 as shown in Figure 10.
- the flexible coupling 188 comprises a length of helically wound spring wire 190, the ends of which are anchored in couplings 192 which are, in turn, mounted for limited axial movement in bores in drove hubs 194
- the couplings 192 and the bores in the drive hubs 194 have corresponding non-circular cross-sectional shapes, for example, hexagonal, to ensure conjoint rotation of the couplings 192 and the drive hubs 194.
- the drive hubs 194 are provided with axially spaced apart annular grooves 195 and 196 which receive corresponding ribs 198 provided on the corner junction assembly 170 to permit free rotation of the hubs 194.
- the couplings 192 move within the drive hubs 194.
- the drive hubs can be moved within the corner junction assembly 170 so that the ribs 198 are disposed within the recesses 195 rather than the recesses 196 as actually shown in Figure 12. This is effective to separate the drive hubs 194 a sufficient distance to permit the required separation of the couplings 192.
- the drive hubs 194 are secured to the screw rods 112 by set screws 199.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89300023T ATE78553T1 (de) | 1988-02-29 | 1989-01-04 | Drehbare verbindung fuer store-schiene. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA560141 | 1988-02-29 | ||
CA000560141A CA1302229C (fr) | 1988-02-29 | 1988-02-29 | Raccord pour tringle de store articulee |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0331273A2 true EP0331273A2 (fr) | 1989-09-06 |
EP0331273A3 EP0331273A3 (en) | 1989-11-23 |
EP0331273B1 EP0331273B1 (fr) | 1992-07-22 |
Family
ID=4137534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89300023A Expired - Lifetime EP0331273B1 (fr) | 1988-02-29 | 1989-01-04 | Raccord pivotant pour rail de store |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0331273B1 (fr) |
JP (1) | JPH01295988A (fr) |
AT (1) | ATE78553T1 (fr) |
AU (1) | AU606784B2 (fr) |
CA (1) | CA1302229C (fr) |
DE (1) | DE68902154D1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7278345B2 (en) | 2003-07-01 | 2007-10-09 | Springs Window Fashions, Llc | Blind trimming apparatus |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100450442B1 (ko) * | 2001-07-14 | 2004-10-06 | 신성종합건축사사무소(주) | 운반 취급이 용이한 버티컬 블라인드 |
JP5757524B2 (ja) * | 2011-09-02 | 2015-07-29 | 株式会社ニチベイ | ブラインドの連動機構 |
JP6510252B2 (ja) * | 2015-01-30 | 2019-05-08 | 立川ブラインド工業株式会社 | 遮蔽装置及びその施工方法 |
EP3538227B1 (fr) * | 2016-12-27 | 2020-07-01 | Rudelstorfer, Elmar | Tapis roulant omnidirectionnel |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4653564A (en) * | 1984-07-06 | 1987-03-31 | Norbert Marocco | Track for blinds |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1222689A (fr) * | 1984-06-29 | 1987-06-09 | Shade-O-Matic Ltd. | Rail-guide pour stores |
-
1988
- 1988-02-29 CA CA000560141A patent/CA1302229C/fr not_active Expired - Lifetime
-
1989
- 1989-01-04 DE DE8989300023T patent/DE68902154D1/de not_active Expired - Lifetime
- 1989-01-04 EP EP89300023A patent/EP0331273B1/fr not_active Expired - Lifetime
- 1989-01-04 AT AT89300023T patent/ATE78553T1/de not_active IP Right Cessation
- 1989-02-16 JP JP1035211A patent/JPH01295988A/ja active Pending
- 1989-02-22 AU AU30230/89A patent/AU606784B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4653564A (en) * | 1984-07-06 | 1987-03-31 | Norbert Marocco | Track for blinds |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7278345B2 (en) | 2003-07-01 | 2007-10-09 | Springs Window Fashions, Llc | Blind trimming apparatus |
Also Published As
Publication number | Publication date |
---|---|
EP0331273A3 (en) | 1989-11-23 |
DE68902154D1 (de) | 1992-08-27 |
JPH01295988A (ja) | 1989-11-29 |
AU3023089A (en) | 1989-08-31 |
EP0331273B1 (fr) | 1992-07-22 |
AU606784B2 (en) | 1991-02-14 |
ATE78553T1 (de) | 1992-08-15 |
CA1302229C (fr) | 1992-06-02 |
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