EP1780370A2 - Support de palier - Google Patents
Support de palier Download PDFInfo
- Publication number
- EP1780370A2 EP1780370A2 EP06255342A EP06255342A EP1780370A2 EP 1780370 A2 EP1780370 A2 EP 1780370A2 EP 06255342 A EP06255342 A EP 06255342A EP 06255342 A EP06255342 A EP 06255342A EP 1780370 A2 EP1780370 A2 EP 1780370A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cord
- rail
- cradle
- drive
- movable
- 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
- 238000004804 winding Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 3
- 230000000063 preceeding effect Effects 0.000 claims 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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
- E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
- E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
- E06B9/32—Operating, guiding, or securing devices therefor
- E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
-
- 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
- E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
- E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
- E06B9/32—Operating, guiding, or securing devices therefor
- E06B9/323—Structure or support of upper box
-
- 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
- E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
- E06B2009/2625—Pleated screens, e.g. concertina- or accordion-like
-
- 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
- E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
- E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
- E06B9/32—Operating, guiding, or securing devices therefor
- E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
- E06B2009/3225—Arrangements to aid the winding of cords rollers
-
- 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
- E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
Definitions
- This invention relates to a covering for an architectural opening, especially a window blind or shade, with two oppositely fixed rails and a movable rail arranged for parallel movement between them.
- Window coverings are known from GB 2,333,314 which include: a fixed first rail; a movable second rail, parallel to the fixed first rail; a collapsible and extendible blind or shade which is between the fixed first rail and the movable second rail; at least one rotary drive spool mounted on the fixed first rail; at least one driving cord that is wound about the spool with at least one winding and a first drive cord section extending from the spool towards and operatively attached to the movable rail and a second drive cord section extending from the spool in a loop via a fixed surface spaced from the fixed first rail and beyond the movable second rail to the movable second rail where it is operatively attached, and means for reversibly rotating the rotary drive spool to drive the driving cord and to effect movement of the movable second rail to collapse or extend the blind or shade
- cord routing of the drive cords is such that the cords extend perpendicular to the axis of the spool such that the cords are easily spooled about the cords spool.
- Each cord spool needs to be positioned adjacent the openings of the shade through which is will be threaded.
- the drive cords and their drive cord sections that are routed through or parallel to the shade, needto be equidistantly spaced along the width of the rails and the covering of in order to assure that the movable second rail during operation of the blind, remains parallel to the fixed rail.
- spools are operatively connected to each other and to the motor, in order for a single motor to drive both spools.
- additional equipment such as a motor, timer, transformer, infra-red remote control receiver, radio frequency remote control receiver, etc. also has to be in the head rail.
- additional equipment such as a motor, timer, transformer, infra-red remote control receiver, radio frequency remote control receiver, etc. also has to be in the head rail.
- the cord sections extending from a drive spool need to be guided first along a portion of the fixed rail before extending through or parallel to the window covering.
- cord guides have been used that are positioned adjacent or spaced apart from the driven cord spools. Examples of cord guiding pulleys are shown in US 5,515,898 and US 4,852,627 . Different cord routing schemes will result in different parts and positions thereof for the blind.
- a cradle for rotatably supporting at least one drive spool for a window covering about which a drive cord is windable , said cradle comprising:
- a window covering comprising:
- Figure 1 shows a shade assembly 1 of the invention which includes: a fixed rail 3 that is preferably a top rail; a movable intermediate rail 5 that is adjacent and parallel to the fixed rail 3; and a fixed auxiliary rail 7 that is adjacent to the movable rail 5, is spaced from and parallel to the fixed rail, beyond the movable rail 5, and is preferably a bottom rail.
- the shade assembly 1 has a central form to correspond to a rectangular window opening (not shown).
- a conventional pleated shade 9 Suspended between the fixed rail 3 and the movable rail 5 is a conventional pleated shade 9 which is collapsible and extendible.
- the shade 9 is provided with a plurality of openings 11 for the passage of a pair of driving cords 13, 15 routed through the shade for moving the movable rail 5 and for the passage of a stationary support cable 17 to support the shade 9 in the form of a pleated panel.
- the shade 9 of Figure 1 has three parallel columns of openings, a left column 11A adjacent the left side of the blind, a middle column 11B, and a right column 11C adjacent the right side of the blind.
- the drive cords 13,15 are wound about respective left and right drive spools 19,21 with a least one cord winding.
- the cords are wound about the respective spools in reverse direction, meaning that drive cord 13 is wound from the left side 19A of the spool to the right side of the spool 19B in a clockwise winding and the right drive cord 15 is wound form the left side 21A of the spool 21 to the right side of the spool 21B in a counterclockwise winding.
- the left and right cord drive spools are rotatably supported in a pair of left and right cradles 23,23'.
- the two cradles 23,23' are integrally formed as a single modular cradle part 24 to be fixed in the fixed rail 3 such that the spools can be operatively connected to the operating means of the blind.
- this is a motor (M)
- a driven shaft 25 extends from the motor and through the spools 19,21 such that rotation of the shaft 25 will drive the spools in rotation which in tum will lead to movement of the drive cords 13,15 and to collapsing or extending the blind.
- One cord section 13A of the first driving cord 13 when extending from the left spool 19 is guided to the left and along the fixed head rail until adjacent the left side of the blind it is routed with cord section 13B through the left column 11A of openings 11 downwardly and with cord section 13C into the movable rail 5 where it is guided rightwardly along the rail to a point 13D where it is attached to the other drive cord 15.
- the drive cord section 13E of the first driving cord 13 when extending from the left spool 19 is guided to along the fixed head rail and with cord section 13F into the middle column 11B of openings 11 and downwardly through movable rail 5 and to the fixed or bottom rail 7, there cord section 13G is guided to the left end 7A of the bottom rail, cord section 13H is guided out the bottom rail and upwardly to the movable rail 5, and cord section 13l is guided into the movable rail 5 through the left end 5A and towards the right end of the movable rail and cord end 13K is attached to the left end of a first tension spring 27 which is retained in the movable rail 5.
- a portion of cord section 13E of the first drive cord 13 runs parallel to the bottom web of the cradle 23.
- the front and rear bottom webs 39,41 of the cradle 23 comprise the cord guides 47,49,51,53 of the invention. This further explained in relation to figure 2.
- the second drive cord 15 is routed in a mirror-image to the routing of the first drive cord, in which the left cord section 15A is routed like the mirror-image of the right cord section 13B.
- cord section 15A is routed along the head rail towards and cord section 15B passes through the middle column 11B of the openings, through the movable rail 5 and into the bottom rail 7.
- the next cord section 15C runs the bottom rail 7 towards the right rail end 7B and portion 15D runs upwardly towards the movable rail 5.
- cord portion 15E and the end portion 15F of is attached to a second tension spring 29.
- the tension springs 27,29 are located opposite each other in the movable rail.
- the right cord section 15G of the second drive cord is routed in a mirror image to the routing of the left cord section 13A.
- cord section 15G is routed through head rail 3 towards the right column of openings 11C and portion 15H runs through the right column 11C of the openings adjacent the right side edge of the blind.
- portion 151 and cord end 15K is attached to cord end 13D
- the tension cable 17 is attached by a left cable end 17A to the fixed head rail 3, routed first through the left column 11A of openings 11, downwardly through the movable rail 5, then into and along the fixed tension rail 7 to the right and upwards out at the width wise location corresponding to that of the middle column 11B of openings, upwards through the movable rail 5, upwards through the middle column of openings 11B, upwards into the fixed head rail 3 and to the right parallel along the rail, out through an opening and downwards along the right column 11C of openings and through the movable rail 5 and downwards into the fixed bottom rail 7 and fixed thereto with a right cable end 17B.
- one of the cable ends 17A/17B is connected to a cable tensioner 31 that will allow to adjust the tension of the cable.
- the tension cable 17 serves to keep the pleated panel in shape, preventing sagging and the like, and is especially convenient for slanted windows such as in a sunroom.
- the cable tensioner 31, preferably is in the shape of a tensioning slider , details of such a tensioning slider for tensioning the cable 17 are described in EP 0 860 577 .
- the cord routing and tension cable routing is conventional. Other routings are also possible, and do not influence the invention.
- the cord and cable sections 13A-13K, 15A-15K, 17A-17B of the drive cords 13,15 and tension cable 17 are indicated to facilitate reading the figures, but in use the cords move through the window covering as the spool is rotated in clockwise or counterclockwise direction, and the covering moves relative to the tension cable.
- the left portion 13A of the first drive cord 13 is wound about the winding drum 19, and the right portion 13E of the first drive cord 13 is unwound from the drive spool 19.
- the mirror-image routing of the second drive cord 15 relative to the first drive cord 13 will move in the same way.
- the left cord section 15A of the second drive cord 15 is unwound from the cord spool 21 and the right cord section 15G is unwound from the winding drum 21.
- the cord portions 13A, 13E, 15A and 15G move in opposite directions.
- the motor M is adapted to reversibly power the winding drums 19,21 for rotation in opposite directions.
- each cord drive spool 19,21 is received in the left and right bearing blocks 35,37, 35',37' of the cradles 23,23'.
- each of the left and right bearing blocks 35,37,35',37' is provided with a suitable bearing (B) and the drive spools each have left and right joumals (J).
- Figure 2 shows in a partially exploded view, the cradles 23,23' with the first and second cord spools 19,21 with the first and second drive cords 13,15 guided in directions appropriate for the cord routing as shown and described in relation to Figure 1. Since it is also possible to have separate cradles, and for clarity of the description, only the left cradle 23 is described in detail
- the right cradle has like parts, and when described like reference numerals are used with an added suffix'.
- the cradle 23 includes a central opening 45 for the passage of the first driving cord 13.
- the cradle bottom opening 45 is lined by a front and rear web 39,41 extending between the inner base walls 35A,37A of the left and right bearing blocks 35,37. Together with the left and right inner base walls35A,37A the front and rear webs 39,41 thus line and delimit the central bottom opening 45.
- Cord guides 47,49,51,53 are provided on the inner surfaces of these lining walls 35A,37A, 39A, 41A. In the embodiment of Figure 2 the cord guides are provide on the 39A,41A of the front and rear webs 39,41 lining the opening 45.
- Each cord guide projects 47,49,51,53 inwardly into the opening 45 from a position P1,P2,P3,P4 on the inner surface 39A,41A of the front or rear web.
- Each position P1-P4 is adjacent to, but not in contact with, the respective inner walls 35A,37A of the left and right bearing block bases.
- Each cord guiding space includes a narrow entrance 63,65,67,69. These entrances 63,65,67,69 are created by the position of the cord guide 47,49,51,53 relative to the respective left or right inner wall 35A,37A and by the shape of the cord guide.
- first cord guide 47 projects from position P1 on the inner surface 39A of the front web 39, and position P1 is adjacent the left inner wall 35A of the left bearing block 35.
- a second cord guide 49 projects from position P2 on the inner surface 39A of the front web 39, and position P2 is adjacent the right inner wall 37A of the right bearing block 37.
- Third and fourth cord guides 51,53 project from similar positions P3 and P4 on the inner surface 41A of the rear web 41.
- All the cord guides are of similar shape, therefore only the first cord guide 47 on position P1 on the front web 39 is described. Similar parts of the other cord guides are indicated with suffixes on the reference numerals, a single suffix for second cord guide 49, a double suffixes for third cord guide 51 and a triple suffix for fourth cord guide 53.
- the first cord guide 47 has a general hook like shaped body 71 and includes a cord guiding recess 73 opposite the inner wall 35A of the left bearing block 35.
- the cord guiding recess 73 lines the cord guiding space 55 of which the other portion is lined by the inner left base wall 35A.
- the narrow entrance 63 into the cord guiding space 55 is shaped a cord retaining flange 75 projecting under a slope from the guide body 71 towards the left inner base wall 35A and thereby creating the funnel-like entrance 63 between the sloped flange 75 and the left inner base wall 35A. After passing the entrance funnel 63 the cord guiding space 55 is relatively wide and slightly oval of shape.
- the shape of the space 55 and the entrance 63 make it relatively easy for a cord to be guided from the main opening into the cord guiding space and difficult for the cord to escape from this confined space.
- a drive cord section e.g. 13A can be easily threaded through the main opening 45 and subsequently laid around a cord guide suitable for the chosen cord routing.
- the shape and position of the cord guide ensure the cord to remain in its chosen cord guiding space during further assembly and/or during transport prior or after assembly. Also during mounting the blind the cords will remain in there designated space.
- the entrance 63 has a width that is equal or less than the cross-sectional dimension of a drive cord.
- the portion of drive cord 13 directly preceding the cord section 13A and extending through the opening 45 of the cradle runs through the cord guiding space 59 adjacent the third cord guide 51.
- the cord portion 13A will run along the inner base wall 35A within guiding space 59.
- the portion of drive cord 13 directly preceding the cord section 13E and extending through the opening 45 of the cradle runs through the cord guiding space 57 adjacent the second cord guide 49.
- the cord poriton 13E will run along recess 73 of the cord guide and between the front and rear base walls 39, 41 backwards along the head rail towards the centre column of openings 11B.
- the portion of drive cord 15 directly preceding the cord section 15A and extending through the opening 45' of the cradle 23' runs through the cord guiding space 55' adjacent the first cord guide 49'.
- the cord portion 15A will run along the inner base wall 35A' within guiding space 55'.
- the portion of drive cord 15 directly preceding the cord section 15G and extending through the opening 45' of the cradle 23' runs through the cord guiding space 61 adjacent the fourth cord guide 53'.
- the cord poriton 15G will run along recess 73' of the cord guide 53' almost straight down into the third column of openings 11C.
- Figure 4 is a bottom view of the bottom of a second embodiment of the cradle 123 of the invention, to avoid repetition of description, like features have references supplemented by 100.
- the directly opposite first and third cord guides 147, 151 and second and fourth cord guides 149,153 are connected by a first and second intermediate web 181,185 repectively, thereby isolating the central opening 145 from the cord guiding spaces 155,157,159,161.
- the opposite first and third cord guiding spaces 155,159 are in open connection with each other through a first intermediate space 183 and the opposite second and fourth cord guiding spaces 157,161 are in open connection with each other through a second intermediate space 185.
- a drive cord section e.g.
- the 113A, 115A can be easily threaded through the respective intermediate space 183, 187 and subsequently laid around a cord guide suitable for the chosen cord routing.
- the shape and position of the cord guide such as e.g. the funnel like entrance and the cord guiding recess, ensure that the cord remains in its chosen cord guiding space during further assembly and/or during transport prior or after assembly. Also during mounting and use of the blind the cords will remain in their designated spaces.
- FIG. 5 is a bottom view of the bottom of a third embodiment of the cradle 223 of the invention, to avoid repetition of description, like features have references of the first embodiment supplemented by 200.
- each cord guides 247, 249,251,253 is connected to the adjacent inner left or right base wall 235A,237A.
- the cord guiding spaces 255,257,259, 261 are completely isolated from the central opening 245 and there are no intermediate spaces connecting the cord guiding spaces.
- the cord guiding space through which a drive cord will run after assembly and be guided during use has to be chosen during assembly. Later changes are only possible by re-threading the drive cord.
- a pair of identical cradles 23,23' are interconnected and together form a single part to be mounted in the headrail.
- the invention allows for use of modular cradle sets like the one of Figure 1.
- the cord guides 47-53 and 47'-53' allow the modular cradle part to be placed at any location along the head rail because the cords can be placed about any suitable cord guide, and either run along one of the inner base walls 35A,37A,35A', 37A' or along any of the cord guiding recesses 73,73' of the cord guide body 71.
- the cords can run either straight down into a column of openings of the shade, are be guided to run along the head rail before turning into a column of openings.
- the single cradle 123,223 embodiments can also be placed at any location along the head rail because the cords can be placed about any suitable cord guide.
- the cradles 23, 23' of the example are provided with four cord guides. However one could suffice with two cord guides that are diagonally opposite each other. Alternatively even a single cord guide could also suffice. However in such cases the additional advantage of keeping the drive cords in place during assembly, transport and mounting of the window covering would be limited.
- the cord guides could project form the inner base walls 35A,37A, instead form the front and rear bottom webs 39,41.
- the electric motor (M) could, if desired, be replaced by a manually operated driving system for reversibly rotating the cord winding drums 19,21.
- the electric motor (M) as shown, is received in a pair of mounting supports 33 which are receivable within the contoured profile of the fixed rail 3.
- Other mounting arrangements are also possible, such as integrally forming a cradle for the spools and the motor, or by shaping one end of the cradle as a support for the motor and thus needing only one mounting support for the opposite end of the motor (M).
- the shade assembly 1 can also be of a non-rectangular shape such as triangular or octagonal in order to cover architectural openings of such shapes in e.g. sunrooms or conservatories.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Blinds (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06255342.5A EP1780370B1 (fr) | 2005-10-26 | 2006-10-17 | Support de palier |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05077460 | 2005-10-26 | ||
EP06255342.5A EP1780370B1 (fr) | 2005-10-26 | 2006-10-17 | Support de palier |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1780370A2 true EP1780370A2 (fr) | 2007-05-02 |
EP1780370A3 EP1780370A3 (fr) | 2016-09-14 |
EP1780370B1 EP1780370B1 (fr) | 2018-01-31 |
Family
ID=37735235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06255342.5A Active EP1780370B1 (fr) | 2005-10-26 | 2006-10-17 | Support de palier |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1780370B1 (fr) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW326240U (en) * | 1997-09-02 | 1998-02-01 | Fu-Mei Fan | Improved structure of a height adjustable curtain track |
-
2006
- 2006-10-17 EP EP06255342.5A patent/EP1780370B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
EP1780370B1 (fr) | 2018-01-31 |
EP1780370A3 (fr) | 2016-09-14 |
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