EP1936106B1 - Mounting system for a roller blind - Google Patents
Mounting system for a roller blind Download PDFInfo
- Publication number
- EP1936106B1 EP1936106B1 EP07254737.5A EP07254737A EP1936106B1 EP 1936106 B1 EP1936106 B1 EP 1936106B1 EP 07254737 A EP07254737 A EP 07254737A EP 1936106 B1 EP1936106 B1 EP 1936106B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- bracket
- plunger
- mounting
- leveler
- 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.)
- Active
Links
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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
- E06B9/40—Roller blinds
- E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
- E06B9/50—Bearings specially adapted therefor
-
- 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
- E06B9/40—Roller blinds
- E06B2009/407—Telescopic roller
Definitions
- This invention relates to a system for mounting for a roller of an architectural opening and parts of the system.
- Various blinds are known for selectively covering architectural openings. Many of these include rollers that are rotatably mounted, usually in a horizontal orientation, for instance across the top of an architectural opening.
- an arrangement may be provided whereby a pair of brackets is mounted on opposite ends of a top frame of an architectural opening. The roller is than fitted between the two brackets.
- the ends of the roller may be provided with co-axially extending end plugs with axial holes for receiving a tab-like projection from the brackets
- the ends of the roller may be provided with co-axially extending end plugs and the end plugs being provided with axially projecting tabs or noses for insertion into an opening in a bracket.
- the central shaft of the roller blinds may be coupled together end the end plugs may be provided with such shaft coupling means to be mounted to an intermediate bracket.
- the distance between the ends of the roller must be greater than that between the brackets.
- Providing a roller with at least one telescopically movable end plug solves this problem. Retracted or depressed, such an end plug reduces the effective length of the roller and the distance between the two ends of the roller, extended the end plug restores the roller to its original length. Additional locking means preventing inadvertent retraction or depression of the telescopically movable end plug and thus inadvertent disengagement of the roller from the brackets are often also provided and are described in GB 2,310,878 and in GB 2,313,143 .
- GB 2,310,878 describes an end plug (20) for a roller blind including a telescopic movable drum (6) biased to an extended position by spring (30).
- the locking means comprises a spring C-clip (40), positionable about the projecting portion (7) of the telescopic movable drum (6) between the roller end (23) and the end (8) of the drum (6), and prevents the telescopic member (6) from moving axially into end plug (20).
- This solution has as drawback that the C-clip (40) needs to be dimensioned in relation to the blind for which it is used. If it is to long, exceeding the length of the projecting portion of the telescopic member of the end plug, it will not fit.
- GB 2,313,143 describes a locking ring (100) for placement about a telescopic movable spigot (54), which is biased to an extended position by a spring.
- the locking ring (100) is placed about the spigot (54), is pushed until it makes contact with the roller end (10) remote from the bracket (80), and is locked in place with a grub screw.
- the ring has a radial through hole (102) with the grub screw (104), which when tightened locks the ring (100) in place.
- the ring (100) prevents depression of the spigot (54) and thus prevents accidental removal of the blind from its brackets.
- an object of the invention is to provide a roller mount system with a end plug module which overcomes or ameliorates the disadvantages of the end plugs of both GB 2,310,878 and GB 2,313,143 .
- the blind includes side guides, which is often the case for insect screens and black-out roller blinds, the screen or blind material edges will not keep to the side guides. As a result insects and/or light will enter the building.
- the blind is leveled by using the oblong mounting holes in the brackets of the blind. After-adjustment of the bracket's position, requires nimble hands and/or dismounting of the roller from the brackets to facilitate reaching an manipulating it. It generally is a cumbersome process.
- Another solution is to use brackets with integrated leveler means that act directly or indirectly on the roller of the blind. Such brackets are described in US 6 196 508 and DE 103 51 336 .
- US 6,196,508 describes a roller blind bracket with a centrally located cut out portion (11) with slidably located a vertically adjustable glide (4) which rests on a threaded leveling screw (5).
- the threaded leveling screw (5) can be accessed from the bottom of the bracket.
- the glide (4) is omitted and the leveling screw (5) acts directly on the steel rod of the motor.
- the leveling screw (5) acts directly on the steel rod of the motor.
- DE 103 510 336 describes a insect screen roller blind with a leveler (22) in a roller bearing (14) which includes a cut out portion (28) and a leveling screw (34) acting on the roller spigot (30).
- each leveler necessarily includes a base to be anchored to a fixed surface such as a bracket and an operator connected to that base, movable between two positions, and acting either directly or indirectly on a roller end in order to move the roller between these two positions.
- the use of the known prior art levelers requires either a preordained choice of using a bracket with integral leveler, or leads to a very cumbersome after-installment of the leveler once it is needed after all.
- An embodiment of the invention comprises a leveler module for the roller mount system which does not have these drawbacks and is easy to manipulate.
- Another problem associated with mounting a roller to a surface are the brackets.
- the bracket When a roller blind is mounted to a roof window or sunroom window that is slanted, the bracket will cause the blind to be at an angle to the window unless a specially shaped bracket is used which cancels out the window frame angle.
- a bracket is described in EP0784145 , this bracket includes adjusting means that can cancel out the angles of the window relative to that of the blind.
- it is often necessary to choose different modules for a roller system often require different brackets.
- an intermediate bracket in a compound roller system having at least two rollers mounted next to each other is often of different configuration from the outer bracket.
- DE 20 2004 015105 U1 describes the features of the precharacterising portion of appended claim 1.
- a telescopic end plug as defined in appended claim 1.
- a roller blind mounting system according to the present claim 2.
- the telescopic end plug further has a rotatable end cap rotatably fixed to the end of the second length portion and the end cap is adapted be received in the central aperture of the bracket such that the telescopic end plug and the roller engageable therewith are rotatably mountable to said bracket.
- the bracket further includes at least a pair of openings positioned about said central aperture and the opening of each pair being in line with each other, and the mounting system further includes an operating module or a leveler module, or both, provided with mounting means adapted to co-operate with the at least one pair of slots of the bracket.
- the mounting means are hook-like members adapted to project through the openings of the bracket and grip the rim of the openings.
- the hooks each include a stem portion and a grip portion extending from the top of the stem portion.
- the grip portion of the hook extends sideways from the top of the stem portion.
- the grip portion of the hook extends downwardly from the stem portion.
- the invention thus solves the problems associated with mounting of roller blinds .
- a roller blind 1 is shown with roller 3 mounted between a left and right mounting bracket 5, 7.
- the blind material 9 is schematically indicated and can be wound and unwound from the roller 3 by operating the bead chain operating mechanism 11.
- a telescopic end plug 13 in the right end 3A of the roller 3 facilitates mounting of the roller 3. Depressing the end plug 13 reduces the effective length of the roller 3 making it easy to position between the two brackets 5,7. Retracting the end plug 13 to its extended position restores the roller 3 to its previous length, allowing the roller 3 to connect to the left and right brackets 5,7 by suitable end plugs on either side.
- a locking ring 15 prevents the inadvertent depression of the telescopic end plug 13. In figure 1 the ring 15 is shown in the unlocked position, adjacent the outer end of the telescopic end plug 13. By positioning the ring 15 adjacent the roller end 3A, depression of the telescopic end plug 13 is prevented.
- roller 3 and telescopic end plug assembly 13 are shown in cross-section as mounted to the right bracket 7, Figure 3 shows these parts in exploded view.
- the roller 3 is a conventional roller 3 for a roller blind 1.
- the roller 3 is a tube like member of general cylindrical cross-section, typically made of aluminium, steel or plastic.
- Axially and inwardly projecting strengthening ribs 17, and at least one groove 19 extend along is axial length the roller 3.
- the ribs 17 provide an internal configuration of the roller 3 to hold the end plug 13 and the groove 19 is for attachment of the blind fabric 9.
- the end plug assembly 13 includes a hollow cylindrical body or sleeve 21, a telescopically movable member or plunger 23, a spring 25 and a ring 15.
- the sleeve 21 is of general cylindrical cross-section and has a tube like portion 27 which extends between an inner or left axial end 29 and a outer or right axial end 31.
- the tube 27 includes axially extending and radially outwardly projecting ribs 33 so that the body can be fitted within the roller 3, the sleeve ribs 33 engaging the roller ribs 17.
- the outer axial end 31 has a radial collar 35 with a radial inner surface 37 that abuts the axial outer end 3A of the roller 3 when the cylindrical body 21 is inserted in the roller 3.
- the retainer 39 Inside the hollow cylindrical body 21 and adjacent the inner or left axial end 29 is a retainer 39 fixed co-axial to the body 21 for support of both the plunger 23 and the spring 25.
- the retainer 39 includes a circular (radial) base or abutment surface 41 facing the right axial end 31 of the tube 27, the radius of the abutment surface 41 is smaller than the radius of the tube 27.
- Projecting axially from the base 41 and toward the right axial end 31 is a retainer tube 43 which is co-axial with the cylindrical body tube 27 and of smaller radius than the base 41.
- Projecting axially from the base 41 and toward the left axial end 29 are at least two and preferably three radially spaced apart axially extending flanges 45,47,49 .
- Each flange 45,47,49 is spaced from the inner surface of the tube 27 while following the radius thereof.
- Each flange 45,47,49 has a left and right radial extending ribs 45A connecting the flanges 45, 47, 49 to the inner surface of the tube 27, and thus defining axial passage ways 51,53 between the co-axial flanges 45,47, 49 and the inner surface of the tube 27.
- the inner surface of the tube 27 is provided with a plurality of axially extending radially spaced apart grooves 57.
- the grooves 57 extend axially from at least the right or outer axial end 31 to the base 41 of the retainer 39.
- the telescopically movable member or plunger 23 from the end plug assembly 13 is suitable for insertion into the hollow cylindrical body 21 from the outer or right axial end 31 thereof towards the inner or left end 29.
- the plunger 23 is of general cylindrical cross-section of a smaller radius than the cylindrical body 21.
- the plunger 23 includes a centre or base section 61, a left or inner portion 63 and a right or outer portion 65, each extending to opposite sides from the central section 61.
- the center or base section 61 is a tube like portion 67 with a plurality of axially extending ribs 69 radially spaced on the outer surface of the base 61.
- the ribs 69 are designed to slidingly co-operate with the grooves 57 of the inner surface of the tube 27 of the cylindrical body 21.
- the left or inner part 63 projects axially from the base 61 and comprises at least two and preferably three radially spaced apart tongues 71, 73, 75.
- the tongues 71, 73, 75 can be slidably retained in the axial passage ways 51, 53 defined between the retainer 39 and the body 21. Movement of the plunger 61 in axial direction is possible because the tongues 71, 73, 75 move within the axial passage ways 51, 53.
- the plunger tongues 71, 73, 75 can extend beyond the left end 29 of the body 21 when plunger is deeply inserted into the body 21.
- the tongues 71, 73, 75 each include a lug 73A at the axial end away from the base 61 on the outer surface of the tongues which cooperates with an indented portion 29A of the inner axial end 29 of the cylindrical body 21. Inserted into the cylindrical body 21, the lugs 73A snap behind the indented portion 29A and thus prevent disengagement of the plunger from the body 21.
- the right or outer part 65 of the plunger 23 projects axially from the base 61 opposite from the inner part 63.
- the outer part 65 is provided with a circumferential screw thread 77 with a plurality of windings 79.
- the axial end 81 of the outer part 65 is provided with an axial extending spigot 83 which in turn has an axial through opening 83A suitable for receiving a shaft.
- the opening 83A necessarily has the same cross-section as the shaft for which it is intended.
- Shafts in roller blinds 1 are generally used for operatively connecting two blinds side by side, such that these blinds need only a single operating system, either manually or motor driven.
- the opening's 83A inner diameter is smaller than that of the spigot 83, while the spigot's 83 outer diameter is smaller than that of the plunger 23.
- the circumferential screw thread 77 receives the locking ring 15 which is provided with an inner thread 85 suitable for running on the circumferential thread 77.
- the threads 77, 85 are chosen such as to be a self-braking thread in order to prevent the ring 15 from traveling along the circumferential thread 77 due to vibrations caused by installation or use of the roller 1.
- the ring or disc-like locking nut 15 has circumferential outer surface that is provided with serrations or teeth 87 for easy manipulation thereof.
- the ring 15 can be shaped as a hexagonal nut.
- a rotatable mounting cap 89 fits rotatably on spigot 83, and the total diameter of cap 89 and spigot 83 is designed to fit into a central mounting opening 7A of the bracket 7.
- the cap 89 includes a radially projecting collar 91, the outer surface of which abuts the bracket 7 surface when the roller 3 is mounted thereto, so that the roller 3 can rotate relative to the bracket 7 and the cap 89.
- the radially projecting collar 91 further prevents the ring 15 from inadvertently running off the plunger 23, especially when the roller 3 is not yet mounted to a bracket 7.
- the cap 89 is hollow and surrounds the spigot 83 thus the keeps free the spigot 89 opening 83A suitable for receiving a shaft.
- Compression spring 25 has a left first winding 25A and a right first winding 25B and a plurality of windings therebetween.
- the spring 25 is preferably made from steel and can be used in the end plug 13 to bias the plunger 23 in the direction of the outer axial end 31 of the body 21.
- the spigot 83 projects axially into the outer portion 65 such that a co-axial spigot body 84 is formed within the plunger 23.
- the spigot body 84 includes a circular (radial) base 84B between the spigot-body 84 and the inner surface of the plunger 23.
- the spring 25, when used, will rest with one end winding 25A on the retainer base 41 of the sleeve and with the other end winding 25B on the spigot body base 84B of the plunger 23.
- the spring 25 will have a greater length than the distance between these two bases 41, 84B and thus bias the plunger 23 to its extended position.
- an additional installation tool 93 can be used for ease of mounting the roller to the bracket.
- the tool 93 as shown in the figure 3 is a so-called locater-nose and includes a nose-cone 95 and a butt-shaft 52.
- the butt-shaft 52 is inserted into the opening in the spigot 89 and the nose cone 95 give an greater ease of installation.
- the nose cone 95 assists an installer in locating the central aperture 7A of a bracket 7, without needing a clear line of view.
- the brackets 5 and 7 are of similar shape and both have a generally horizontally extending first flange 101 and a depending vertically extending second flange 103.
- the first flange 101 has slots 105, 107 and 109 for receiving fasteners (not shown, but conventional) to mount the first flange 101 against either under a horizontal building surface or to a vertical building surface adjacent a window opening.
- the second flange 103 has similar slots 111 and 113 for alternative mounting to a vertical building surface in the proximity of a window opening.
- the second flange 103 of the bracket has a pattern of radially arranged slots or oblong holes 115 arranged around the central aperture 7A.
- each pair of radially aligned oblong holes 115 corresponds to the spacing between such mounting hook members on the operator module 11.
- the radially aligned oblong holes 115 can also be used to mount other modular parts, such as a leveller module 200.
- the arrangement of the four pairs of radially aligned openings 115 allows for a selection of angular positions into which the modules 11, 200 can be mounted in respect of the bracket's flange 103.
- the locking ring 15 In order to mount or dismount the roller 3 from the brackets 5,7, the locking ring 15 needs to be in the unlocked position.
- the unlocked position is any position of the ring 15 on the thread 77 of the outer part 65 of the plunger 23 away from the locked position, thus away from the right roller end 3A, and allows depression of the plunger 23 to a sufficient extend reducing the effective length of the roller 3 to mount or dismount of the roller 3 between the brackets 5, 7.
- the locking ring 15 is adjacent the axial end 81 of the outer part 65 of the plunger 23, as shown in figure 1 .
- a spring assisted end plug 13 can be released to extend to its original position and locked in place by rotation of the locking ring 15 to the locking position. Or when the end plug 13 is without compression spring 25, the plunger 23 needs to be manipulated to the extended position and locked in place by rotation of the locking ring 15 to the locking position.
- the locked position is when ring 15 is adjacent the right roller end 3A. In this position the locking ring 15 prevents depression of the plunger 23 of the end plug 13. This position is shown in Figure 2 . This position, chosen when the roller 3 is mounted to the brackets 5, 7, prevents inadvertent dismounting of the roller 3.
- Figure 4 shows the roller blind 1 of the first embodiment to which a leveler module 200 is added.
- a leveler module 200 is added.
- the roller blind 1 of Figure 4 is shown with roller 3 mounted between a left and right mounting bracket 5, 7.
- the blind material 9 is schematically indicated and can be wound and unwound from the roller by operating the bead chain operating mechanism 11 .
- the telescopic end plug 13 in the right end 3A of the roller 3 is visible by its locking ring 15.
- the locking ring 15 is adjacent the right roller end 3A and thus the plunger (not visible) of the end plug 13 is in it's locked position.
- the brackets 5 and 7 are mounted to a ceiling surface (S) and the roller 3 is mounted between them.
- Adjacent the right bracket 7 is placed the leveler module 200 of the invention. By operating the leveler module 200, a range of positions of the right roller end 3A between a lower position and an upper position can be chosen.
- FIG. 5 shows the leveler module 200 separate from the bracket 7.
- the leveler module 200 includes a rotatable mounting tray 202, a base member 204 , a roller carrier 206 slidably connected to the base member 204, with an operator 208 between the base 204 and the roller carrier 206, and an cover ring 210.
- Figure 6 shows the rear of bracket 7 with the leveler module 200 mounted to thereto.
- the vertical flange 103 has a central depressed portion 117 in which are located the central aperture 7A with the mounting oblong holes 115 radially distributed about it.
- a plurality of mounting means in the form of mounting hooks 212, 214, 216, 218 of the rotatably mounting tray 202 and a plurality of locator beads 220, 222, 224, 226 of the base member 204 alternatingly project through the mounting oblong holes 115.
- Each mounting hook 212,214,216, 218 includes a stem portion 212A, 214A, 218A and a grip portion 212B, 214B, 216B, 218B extending sideways the top of the stem portion 212A, 214A, 218A.
- the bottom of the stem portions 212A, 214A, 218A is connected to the rear of the mounting tray 202.
- the locator beads 220, 222, 224, 226 have approximately the circumferential shape of the oblong holes 115, and thus have a general oblong form.
- Attaching the leveler 200 to the bracket 7 takes two steps; positioning the leveler 200 against the bracket 7 such that the hooks 212, 214, 216, 218 and locator beads 220, 222, 224, 226 project through the mounting oblong holes 115 and subsequently rotating the mounting tray 202 clockwise to lock the leveler 200 to the bracket by the hooks 212,214,216, 218 gripping over the rims of the oblong holes 115.
- the locator beads 220, 222, 224, 226 check the rest of the leveler module 200 against rotation.
- the tray 202 rotates relative to the rest of the leveler module 200 and the hooks 212, 214, 216, 218 lock about the rims of the openings 115.
- the spacing between the hooks 212, 214, 216, 218 and the rear of the mounting tray 202 is preferably equal or a little less than the thickness of the bracket material adjacent the oblong holes 115. The bracket surface will thus be clamped between the hooks 212, 214, 216, 218 and the rear of the tray 202 once the hooks 212, 214, 216, 218 are rotated to their locked position.
- Additional locking means 258, 270,272 are provided between on mounting tray 202 and the rest of the leveler module which prevent the tray 202 from rotating on its own accord (e.g. caused by vibration or by operation of the blind 1 or the like) in the opposite direction and thus disengaging the leveler 200 from the bracket 7.
- These locking means 258, 270, 272 are described in relation to Figure 7 .
- the leveler module 200 can thus be easily, even single handedly, mounted to a bracket 7 similar to a bayonet type quick release mechanisms. This is particularly convenient, for after-installment thereof. It also makes expensive bracket with integrally formed levelers obsolete.
- roller blinds 1 with telescopic end plugs 13 are also very easy to mount between two brackets 5, 7, it is possible to postpone the decision to use a leveler 200 until later. If, after mounting the roller blind 1 it appears lopsided, the blind 1 can be easily disengaged from the right bracket 7 and the leveler module 200 can be attached to the bracket 7 and the blind 1 remounted with the spigot 89 of the telescopic end plug 13 to the central opening 228 of the roller carrier 206 (which is visible in Figure 5 ). As shown in figures 5 and 6 there are eight radially distributed openings 115 for the leveler 200 to be mounted to. Thus the angular orientation of the leveler 200 is selectable with increments of approximately 40 degrees. This is convenient since the leveler 200 can always be installed such that its operator 208 is reachable.
- the leveler module 200 is explained in more detail in relation to Figure 7 , which shows the leveler module 200 in exploded view.
- the mounting tray 202 is circular with a bottom surface 230 which has a central aperture 232, and four cutouts 234,236,238,240 distributed radially about the central aperture 232.
- An axial border 242 projects frontally away from the bottom surface 230.
- the border 242 includes two opposite recesses 244,246. Ribbing portions 250 on the outer circumferential surface 248 of the border 242 facilitate handling of the border and rotation of the mounting tray 202 while mounting the leveler module 200.
- the mounting hooks 212,214,216, 218 (not visible in Figure 7 ) project axially from the rear face of the bottom surface 230 of the mounting tray 202.
- An inner ring 252 co-axial to the border 242 forms a co-axial channel 254 for the cover ring 210.
- Extending radially from the top of inner ring 252 and towards the center of the mounting tray 202 are four snap flanges 256 which prevent the leveler base 204 from falling out from the tray 202.
- the flanges 256 reduce the inner diameter of the ring 252 of the tray 202 and once the base 204 is in the tray 202, the flanges 256 overlap portions of the base 204.
- tray locking ridge 258 which cooperate with locking means 270,272 on the leveler base 204 to lock the leveler tray 202 against inadvertent rotation.
- the leveler base 204 like the mounting tray 202, is circular with a bottom surface 260 and a central aperture 262. Projecting from the rear side of the bottom surface 260 are the locator beads 220, 222, 224, 226, which are only partly visible in figure 7 .
- the cutouts 234, 2326, 238, 240 of the tray 202 are oversized in relation to the locator beads 220, 222, 224, 226 of the base. This difference in relative sizes facilitates rotation of the tray 202 relative to the base 204, which would be impossible if the cut-outs 234, 236, 238, 240 and beads 220, 222, 224, 226 matched in size and shape.
- the roller carrier 206 can slide relative to the base 204 by manipulating the operator 208.
- a pair of left and right generally Z-shaped flanges 264,266 projecting from the base surface 260 facilitate the sliding co-operation between the base 204 and a first pair of complementary left and right wing-like side flanges 292 on the roller carrier 206.
- the Z-shaped base flanges project from the edge of the base surface 260 and are located directly opposite each other.
- Each flange 264,266 has a first leg 264A, 266A perpendicular to the base surface 260; an intermediate second leg 264B,266B extending radially inward from the end of the first leg 264A,266A parallel to the base surface 260, and a third leg 264C,266C projecting perpendicular from the intermediate leg 264B, 266B away from the base surface 260 and parallel off-set from to the first leg 264A, 266A.
- the Z-shaped flanges each comprise an inner surface of the second leg 264B,266B parallel to the base surface 260 which will lie atop the a parallel surface 284B,286B of the complementary wing flanges 292 of the roller carrier 206.
- the outer, circumferential surface of at least one of the first legs 264A,266A of the Z-flanges includes a radially inward recess 268 and within the recess 268 a locking bead 270 and locking gutter 272.
- the locking bead 270 projects from the recess 268 radially outward to the extent of the circumferential surface of the base 204, immediately adjacent the locking bead 270 is the locking gutter 272 which can accommodate the locking ridge 258 of the mounting tray 202.
- the gutter 272 fits between the bead 270 and the end of the recess, thus is bordered on both sides. Rotating the mounting tray 202, to lock the leveler 200 to the bracket 7 by the hooks 212,214,216, 218 gripping over the rims of the oblong holes 115, will cause the locking ridge 258 to jump the bead 270 and come to rest in the locking gutter 272.
- a pair of hook-shaped pair of left and right flanges 274,276 extend parallel to each other from the top of the base surface 260 towards the central base aperture 262 to co-operate with a first pair of complementary left and right hook-shaped flanges 294,296 on the roller carrier 206.
- the base hook flanges 274,276 each have a first hook leg 274A projecting perpendicular from the base surface 260; an second hook leg 274B,276B extending radially outward from the end of the first hook leg 274A.
- a pair of left and right guide legs 278,280 is located opposite from the hook flanges 274,276 on the other side of the central base aperture 262.
- the guide legs 278, 280 project perpendicular from the base and guide a pair of complementary guide legs 298 on the roller carrier 206.
- Projecting to the right of the right guide leg 280 and fixed to the bottom surface 260 is a bearing 282 for rotatably holding the head 320 of the operator 208.
- the bearing 282 extends parallel right guide leg 280 in the general direction of the right hook shaped flange 276. In the extension thereof is a trough like slot 284 with angled side walls 286 for slidably holding the bolt 324 of the operator 208.
- the roller carrier 206 is a semi-circular plate with a bottom surface with an outer face 302A and an inner face. Straight left and right sides 304,306 shape the carrier 206 to a general oval form.
- the carrier 206 is slidably mounted to the base 204 by the co-operating left and right wing-flanges 290,292 cooperating with the left and right Z-shaped flanges 264,266 of the base. These wing flanges 290,292 project perpendicular from the rear face 302B of the carrier 206 and radially outward.
- the carrier 206 further includes a central aperture 308 and a pair of opposite top and bottom oblong holes 310,312. In use the rotatable cap 89 can project through the central aperture 308 while the outer surface of the radial collar 91 rests on the carrier's outer face.
- the rear face of the carrier 206 further includes the complementary left and right hook-shaped flanges 294,296 which slidingly co-operate with the hook-shaped flanges 274,276 of the base 204, and the complementary guide legs 298,300 which slidingly cooperate with the guide legs 278, 280 of the base 204.
- the operator 208 includes a bolt 316 having a threaded stem 318 and a head 320, at one end of the stem, with a countersunk hexagon socket (not shown), and a hexagonal nut 324.
- the nut 324 has an internal thread (not shown) which cooperates with the stem 318 of the bolt 316.
- the head 320 of operator bolt 316 is rotatably fixed in a bearing 282 on the front of the base 204 and the nut 324 is unrotatably fixed to in cradle of roller carrier 206.
- the operator 208 is between the base 204 and the roller carrier 206 when these are assembled together. Since the nut 324 is fixed to the roller carrier 206 but slidable in trough 284 of the base 204, rotating the bolt 316 moves the nut 324 along the stem dragging the roller carrier 206 with it relative to the base 204.
- the cover ring 210 has a front surface 210A and a axial circumferential rim 326.
- the ring includes left and right radial extending ears 328 and 330 from which left and right snap flanges 332 radially projecting.
- the ring 210 is snapped over the base 204 after the base 204, roller carrier 206 and operator 208 are fit into the mounting tray 202.
- the ears 328,330 are accommodated in the recesses 244,246 of the mounting tray 202 while leaving space for the mounting tray 202 to be rotated relative to the ring 210.
- the snap flanges 332 snap over the intermediate second legs 264B, 266B of the Z-shaped flanges of the base 204.
- the ring 210 remains stationary together with the other parts of the leveler 200.
- indication marks "locked ⁇ " 336 and "unlocked ⁇ " 338 are placed on the ring's front surface 210A.
- a little radial projecting pimple 340 on the axial border 242 of the mounting tray 202, adjacent its front rim, is positionable by rotation of the mounting tray 202 in line with the locked 336 or unlocked 338 markings on the cover ring 210.
- An access opening 342 is present in the axial border 242 of the mounting tray 202 juxtaposed with the pimple 340.
- an ring opening 344 is present on the axial rim 326 of the cover ring 210 juxtaposed with 'locked' 336 marking.
- the relative locations of the openings 342,344 and the associated indicator pimple 340 and locked marking 336 are chosen such that when the mounting tray is locked to the bracket, the pimple 340 and opening 342 align with a ring marking 'locked' 336 and ring opening 344 .
- the aligned openings 338,340 of the cover and the mounting tray allow the leveler 200 to be operated by a tool (not shown) to be inserted through the openings to act on the operator 208.
- the pimple 340 and its adjacent opening 342 are aligned with the marking 'unlocked' 338 on the cover ring such that the access openings 342, 344 are out off line, a tool cannot be inserted, and the leveler 200 cannot be operated.
- Figure 8 shows a further roller mounting system for a compound roller blind 401, by which system two rollers 403, 404 are mounted side by side, each mounted between a pair of spaced apart mounting brackets 405, 407 and the two blinds sharing an intermediate bracket 406.
- corresponding reference numerals greater by 400 are used below for the same parts or corresponding parts.
- each roller 403 and 404 is provided with a telescopic end plug 413,414.
- each telescopic end plug 413,414 in the right end 403A, 404A of the roller 403, 404 facilitates mounting of the roller 403, 404.
- telescopic end plugs 413, 414 are identical to the one described in relation to Figures 1-3 and like reference numerals greater by 400 are used for like parts.
- the couple shaft 746 has a cross-section for form fit to the spigot opening of spigot of the end plug 413 of the left roller 403.
- the left end of the right roller 404 is provided with an end plug 748 which is provided with an opening similar to the spigot opening. (not shown).
- the composite blind 401 of Figure 8 is provided with a leveler module 600 on the intermediate bracket 406.
- the leveler module 600 is identical to the leveler 200 described in relation Figures 4-7 and like reference numerals greater by 400 are used for like parts.
- the intermediate bracket 406 is identical to bracket 7 which is described in relation to the previous figures.
- the central apertures of respectively the intermediate bracket 406, the leveler mounting tray; the leveler base, and the leveler roller carrier are large enough to accommodate the couple shaft 746 with room to spare for the leveler roller carrier to move up or down in order to level the two roller 403,404 of the blind 401.
- Mounting of the rollers of blind 401 can be done as follows: the left roller 403 is first mounted by depressing the end plug 413, positioning the roller 403 between the left bracket 405 and the intermediate bracket 406, and subsequently retracting the end plug 413 to its extended position, positioning the locking ring 415 adjacent the roller end 403A to lock the end plug against depression. Inserting the coupling shaft 746 from the right side of the bracket 406 into the spigot opening.
- FIG 9 is an exploded view of the centre parts of the compound blind of Figure 8 with the intermediate bracket.
- the coupling shaft 746 is provided with a coupling head 750 from which project three of protrusions 752,754 creating a generally triangular cross-section of which the protrusions are the vertices and the connecting sides (752A) are curved.
- the end plug 748 has an internal recess 756 of identical cross-section and matingly receive coupling head 750.
- the protrusions 752, 754 of the head 750 run into mating grooves 758, 760, 762 of the end plug 748.
- Figures 10-12 and 13A-13C show the preferred operating mechanism 11, 411 and its co-operation with roller 3, 403, 404 and bracket 5, 405.
- Figure 10 shows the roller mounting system of Figure 1 , in exploded view from the side of the operating unit 11, included are an alterative mounting bracket 5B, the operating unit 11 and an adapter end plug 768 for left side 3A of the blind roller 3.
- the mounting bracket 5B is of the type describe in relation to figures 3-7 in that it includes has a pattern of radially arranged slots or oblong holes 115 arranged around the central aperture 5C.
- the bracket 5B is further of a type suitable a so called cassette system, wherein the blind roller 3 is enclosed in a housing or head box (not shown, but conventional).
- the bracket 5B as shown in Figure 10 is adapted to connect with such a housing or headbox and acts as an end wall therefore.
- bracket is shown as identical in shape to the intermediate bracket 406 of figure 8 or 9 .
- Figures 11 and 12 show the operating module 11 of the roller mount system.
- This includes a housing 770, a chain wheel 772, an engagement device 774 .
- the chain wheel 772 is rotatably journalled on the housing 770 and may be rotated by a conventional ball chain (not shown). Rotation of the chain wheel 772 will rotate the engagement device 774.
- the engagement device 774 has axially extending bosses for rotatably engaging a connector 776.
- the connector 776 has complementary axially extending bosses.
- the housing 770 has a central drum portion having a large diameter 778 and a small diameter section 780. The central drum portion further defines a central bore which rotatably receives an internal journal 782 on the connector 776.
- a total of three different wrap springs 784, 786, and 788 is provided for arresting the connector 776 against rotation when it is not being driven by the engagement device 774.
- the connector 776 is provided with a central bore, which in use, is concentric with the bore in the housing 770. Slidably engaged in the central bore is latch plug 790 for the purpose of securing the housing 770 to a mounting bracket, as will be further described herein below.
- the latch plug 790 is also retained in the central bore of the connector 776 by a stem with an enlarged head 792.
- the housing 770 is also provided with hook members 794,796 for mounting to the bracket. Each hook includes a stem portion and a grip portion extending downward from the top of the stem portion. The bottom of the stem portions is connected to the housing 770.
- guarding bridge 798 that snap-fits onto the housing 770 as a separate element, to guide and retain the ball chain (not shown, but conventional), after it has been positioned in the housing 770. Also visible in Figure 12 the central bore of the connector 776 opens into a recess 800 and that the stem of the latch plug 790 has a notch 802.
- FIGS 13A, 13B and 13C show the stages of mounting in operating unit 11 to a mounting bracket 5.
- the mounting bracket 5 is similar identical to the mounting bracket shown in Figure 1 , but in an alternative basic form without provisions to co-operate with a housing or headbox.
- the mounting that will be described is similar for both forms of mounting bracket.
- the mounting bracket 5 has a generally horizontally extending first flange 101 and a depending vertically extending second flange 103 .
- the first flange 101 has slots 105,107, and 109 for receiving fasteners (not shown, but conventional) to mount the first flange against either under a horizontal building surface or to a vertical building surface adjacent a window opening.
- the second flange 103 has similar slots 111, 113 for alternative mounting to a vertical building surface in the proximity of a window opening.
- the second flange 103 of the drive unit has a pattern of radially arranged slots 115 arranged around a central aperture 5C.
- the spacing of each pair of radially aligned slots 115 corresponds to the spacing between the hook member 794 and 796 on the housing 770 of the drive unit 11.
- the arrangement of four pairs of radially aligned slots 115 allows for a selection of angular positions into which the drive unit 11 can be mounted in respect of the bracket flanges. This is particular convenient for situations where the surface to which the bracket is mounted is slanted. The choice angular position for mounting the drive module 11 to the bracket can thus cancel out the slant angle.
- Figure 13A shows the drive unit 11 being presented to the bracket 5, but not yet engaged.
- Figure 11B shows the first stage of engagement with the hook members 794 and 796 protruding through a pair of vertically aligned slots 115.
- the latch plug 790 With this lowering movement accomplished as shown in Figure 11C , the latch plug 790 will also have fully engaged the central aperture 5C by expansion of a spring (visible in Figure 12 ) biassing the latch plug 790 in the direction of the bracket. This will effectively lock the drive unit 11 to the bracket 5 and prevent it from becoming accidentally dislocated. Removal is only possible by having the latch plug 790 retract in the central bore (as described herein above), sufficiently to unhook the hook members 794 and 796 from their respective slots 115.
- the combination of the mounting hooks 794, 769 with the slots 115 of the brackets not only provides for an easy locking of the leveler 200 or the operating module 11 to a bracket, it also conveniently leaves the central aperture of the bracket open. This is particularly useful for compound blinds in which a plurality of rollers is used and the rollers are operatively connected by a linking shaft (as shown in Figure 8 and 9 ). At the same time the free central aperture is of particular importance for allowing the latch plug 790 of the operating module 11 is be operational.
- lugs 73A described in relation to Figure 3 are shown to be on the outer surface of the tongues which cooperates with an indented portion 29A of the inner axial end 29 of the cylindrical body 21, instead they can also be on the inner surface and interact directly with the retainer flanges 45,47,49 of the cylindrical body 21.
- the spring 25 is an optional part of the end plug assembly. It is possible to use the end plug assembly of the invention without the spring. In that case the plunger 23 has to be maneuvered to its desired depressed or retracted position by hand, e.g. by rotating the locking ring 15 upon installment of the roller 3 the spigot 89 can be moved into association with the opening 7A in the bracket 7.
- Figure 6 shows four hooks 212, 214, 216, 218 and four locater beads 220, 222, 224, 226 but a different number of these are possible. It is presented that two or more hooks and at least one locator bead, provide for the best attachment of the leveler 200 to the bracket 7.
- the blinds can also be motorized.
- leveler module 200 is described as including a cover ring 210, the leveler module 200 will be equally easy mountable to the bracket and operational if the ring 210 is not used. Even the safety feature of the unreachable operator 208 is not affected by not having a cover ring 210.
- the pair of opposite top and bottom oblong holes 310,312 on the roller carrier 206 of the leveler module 200 are not used in the described embodiments, they offer the possibility of mounting a roller 3, which instead of the described telescopic end plug 13 includes an alternative end plug with a pair of hook like mounting means, similar to the hooks 794, 796 as described in relation to the operating module 11.
- Such an alternative end plug can be mounted to leveler module 200 which in turn is mounted to a bracket 7.
- Such an alternative end plug can further include a latch plug 790 like the one on the operating module.
- the operating module 11 is describe including a latch plug 790, it is equally possible to use an operating module 11 without such latch plug 790 and have the module 11 be locked to bracket 5 by its hooks 794,796 only.
- the compound roller blind 401 of figure 8 only shows a blind 401 with two roller 403, 404 side by side, blinds with more than two rollers are also possible.
- the number of intermediate brackets will increase by one for each additional roller. It is likely that more leveler modules 200 will the also be used.
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Support Devices For Sliding Doors (AREA)
Description
- This invention relates to a system for mounting for a roller of an architectural opening and parts of the system.
- Various blinds are known for selectively covering architectural openings. Many of these include rollers that are rotatably mounted, usually in a horizontal orientation, for instance across the top of an architectural opening. To facilitate installation of the roller, an arrangement may be provided whereby a pair of brackets is mounted on opposite ends of a top frame of an architectural opening. The roller is than fitted between the two brackets. Several ways of fitting a roller between brackets are possible. The ends of the roller may be provided with co-axially extending end plugs with axial holes for receiving a tab-like projection from the brackets Or the ends of the roller may be provided with co-axially extending end plugs and the end plugs being provided with axially projecting tabs or noses for insertion into an opening in a bracket.
Or, in the case where roller blinds are mounted side by side, the central shaft of the roller blinds may be coupled together end the end plugs may be provided with such shaft coupling means to be mounted to an intermediate bracket. - For a roller to be secured in place between two brackets, the distance between the ends of the roller must be greater than that between the brackets. Providing a roller with at least one telescopically movable end plug, solves this problem. Retracted or depressed, such an end plug reduces the effective length of the roller and the distance between the two ends of the roller, extended the end plug restores the roller to its original length. Additional locking means preventing inadvertent retraction or depression of the telescopically movable end plug and thus inadvertent disengagement of the roller from the brackets are often also provided and are described in
GB 2,310,878 GB 2,313,143 - In this respect
GB 2,310,878 -
GB 2,313,143
This solution has as drawback that while positioning of the ring, attention has to be paid to the reachability of the grub screw (104) as well. - Accordingly an object of the invention is to provide a roller mount system with a end plug module which overcomes or ameliorates the disadvantages of the end plugs of both
GB 2,310,878 GB 2,313,143 - **
Another problem associated with mounting a roller to a surface is to get it mounted levelly. If a roller is mounted to un-levelly placed brackets or to brackets mounted onto a lopsided surface, this will lead to an unsightly situation. Although the fact that a roller is not level is often not immediately apparent to the naked eye, it will be once the blind material is unrolled. Subsequently, when the blind material is wound about the unlevel roller it will skew and may get damaged by being improperly supported by roller. The sides of the blind material may ride against the sides of the architectural opening, get in the way of the operating mechanism or even squeeze between the bracket the roller. In case the blind includes side guides, which is often the case for insect screens and black-out roller blinds, the screen or blind material edges will not keep to the side guides. As a result insects and/or light will enter the building.
Generally the blind is leveled by using the oblong mounting holes in the brackets of the blind. After-adjustment of the bracket's position, requires nimble hands and/or dismounting of the roller from the brackets to facilitate reaching an manipulating it. It generally is a cumbersome process. Another solution is to use brackets with integrated leveler means that act directly or indirectly on the roller of the blind. Such brackets are described inUS 6 196 508 andDE 103 51 336 . - In this respect
US 6,196,508 describes a roller blind bracket with a centrally located cut out portion (11) with slidably located a vertically adjustable glide (4) which rests on a threaded leveling screw (5). The threaded leveling screw (5) can be accessed from the bottom of the bracket. Alternatively, for a motorized shade, the glide (4) is omitted and the leveling screw (5) acts directly on the steel rod of the motor.
By adjusting the leveling screw (5) the entire roller shade (13) can be adjusted.
DE 103 510 336 describes a insect screen roller blind with a leveler (22) in a roller bearing (14) which includes a cut out portion (28) and a leveling screw (34) acting on the roller spigot (30).
These levelers are integrated with the brackets.
AlternativelyUS 7,051,782 describes a leveler which is not integral with the bracket but is assembled thereto starting from two separate plate-like members 158,160. Fasteners 46 are used to attach plates to the bracket., on of the plates being fixed and the other operable to move relative to the fixed plate. This is essential for any leveler, each leveler necessarily includes a base to be anchored to a fixed surface such as a bracket and an operator connected to that base, movable between two positions, and acting either directly or indirectly on a roller end in order to move the roller between these two positions. The use of the known prior art levelers requires either a preordained choice of using a bracket with integral leveler, or leads to a very cumbersome after-installment of the leveler once it is needed after all. - An embodiment of the invention comprises a leveler module for the roller mount system which does not have these drawbacks and is easy to manipulate. Another problem associated with mounting a roller to a surface are the brackets. When a roller blind is mounted to a roof window or sunroom window that is slanted, the bracket will cause the blind to be at an angle to the window unless a specially shaped bracket is used which cancels out the window frame angle. Such a bracket is described in
EP0784145 , this bracket includes adjusting means that can cancel out the angles of the window relative to that of the blind. Also it is often necessary to choose different modules for a roller system often require different brackets. E.g. an intermediate bracket in a compound roller system having at least two rollers mounted next to each other, is often of different configuration from the outer bracket.
DE 20 2004 015105 U1 describes the features of the precharacterising portion of appended claim 1. - According the invention, there is provided a telescopic end plug as defined in appended claim 1.
According to the present invention, there is provided a roller blind mounting system according to the present claim 2.
Advantageously the telescopic end plug further has a rotatable end cap rotatably fixed to the end of the second length portion and the end cap is adapted be received in the central aperture of the bracket such that the telescopic end plug and the roller engageable therewith are rotatably mountable to said bracket.
According to another aspect of the invention the bracket further includes at least a pair of openings positioned about said central aperture and the opening of each pair being in line with each other, and the mounting system further includes an operating module or a leveler module, or both, provided with mounting means adapted to co-operate with the at least one pair of slots of the bracket. Advantageously, the mounting means are hook-like members adapted to project through the openings of the bracket and grip the rim of the openings.
Also, the hooks each include a stem portion and a grip portion extending from the top of the stem portion.
Advantageously, the grip portion of the hook extends sideways from the top of the stem portion. - Alternatively, the grip portion of the hook extends downwardly from the stem portion.
- The invention thus solves the problems associated with mounting of roller blinds .
- The invention will be further described in reference to the accompanying drawings, in which:
-
Figure 1 is a schematic, perspective view of a roller blind mounted between two brackets and equipped with the roller mounting system of the invention including a telescopic end plug with the locking means in unlocked position allowing depression of the end plug into the roller. -
Figure 2 is a cross-sectional view of a first embodiment of the roller mounting system of the invention with the telescopic and plug mounted to a bracket and with the locking means in locked position preventing insertion of the end plug into the roller. -
Figure 3 is an exploded view of the embodiment ofFigure 2 . -
Figure 4 is schematic perspective view of the roller blind offigure 1 to which a leveler module is added. -
Figure 5 is schematic perspective view of the leveler module offigure 4 adjacent a mounting bracket to which it can be attached -
Figure 6 is a perspective view from the rear of a bracket to which a leveler module is mounted. -
Figure 7 is an exploded view of the leveler module. -
Figure 8 is a general perspective view of a second embodiment of the roller mounting system of the invention in which a set of adjacent roller blinds are mounted having a common intermediate bearing bracket and each of which roller blinds includes an end plug of the invention and the two blinds share a leveler module. -
Figure 9 is a partial exploded view of the second embodiment of the system of the invention -
Figure 10 is a partly exploded view of the roller system of the invention; -
Figure 11 is an elevation of the operating unit ofFigs 10 from its driving end; -
Figure 12 is a cross section of the operating unit according to the line C-C inFigure 11 ; and -
Figures 13A, 13B and 13C are the successive positions during attaching of an operating unit to a mounting bracket; - In
Figure 1 a roller blind 1 is shown withroller 3 mounted between a left and right mountingbracket blind material 9 is schematically indicated and can be wound and unwound from theroller 3 by operating the beadchain operating mechanism 11. A telescopic end plug 13 in theright end 3A of theroller 3 facilitates mounting of theroller 3. Depressing theend plug 13 reduces the effective length of theroller 3 making it easy to position between the twobrackets end plug 13 to its extended position restores theroller 3 to its previous length, allowing theroller 3 to connect to the left andright brackets ring 15 prevents the inadvertent depression of thetelescopic end plug 13. Infigure 1 thering 15 is shown in the unlocked position, adjacent the outer end of thetelescopic end plug 13. By positioning thering 15 adjacent theroller end 3A, depression of thetelescopic end plug 13 is prevented. - In
Figure 2 theroller 3 and telescopicend plug assembly 13 are shown in cross-section as mounted to theright bracket 7,Figure 3 shows these parts in exploded view.
Infigures 2 and3 only a part of theroller 3 is shown. It is aconventional roller 3 for a roller blind 1. As such theroller 3 is a tube like member of general cylindrical cross-section, typically made of aluminium, steel or plastic. Axially and inwardly projecting strengtheningribs 17, and at least onegroove 19 extend along is axial length theroller 3. Theribs 17 provide an internal configuration of theroller 3 to hold theend plug 13 and thegroove 19 is for attachment of theblind fabric 9. - The
end plug assembly 13 includes a hollow cylindrical body orsleeve 21, a telescopically movable member orplunger 23, aspring 25 and aring 15. - The
sleeve 21 is of general cylindrical cross-section and has a tube likeportion 27 which extends between an inner or leftaxial end 29 and a outer or rightaxial end 31. Thetube 27 includes axially extending and radially outwardly projectingribs 33 so that the body can be fitted within theroller 3, thesleeve ribs 33 engaging theroller ribs 17. The outeraxial end 31 has aradial collar 35 with a radial inner surface 37 that abuts the axialouter end 3A of theroller 3 when thecylindrical body 21 is inserted in theroller 3. - Inside the hollow
cylindrical body 21 and adjacent the inner or leftaxial end 29 is aretainer 39 fixed co-axial to thebody 21 for support of both theplunger 23 and thespring 25. Theretainer 39 includes a circular (radial) base orabutment surface 41 facing the rightaxial end 31 of thetube 27, the radius of theabutment surface 41 is smaller than the radius of thetube 27. Projecting axially from thebase 41 and toward the rightaxial end 31 is aretainer tube 43 which is co-axial with thecylindrical body tube 27 and of smaller radius than thebase 41. Projecting axially from thebase 41 and toward the leftaxial end 29 are at least two and preferably three radially spaced apart axially extendingflanges 45,47,49 . Eachflange 45,47,49 is spaced from the inner surface of thetube 27 while following the radius thereof. Eachflange 45,47,49 has a left and right radial extending ribs 45A connecting theflanges 45, 47, 49 to the inner surface of thetube 27, and thus definingaxial passage ways co-axial flanges 45,47, 49 and the inner surface of thetube 27.
The inner surface of thetube 27 is provided with a plurality of axially extending radially spaced apartgrooves 57. Thegrooves 57 extend axially from at least the right or outeraxial end 31 to thebase 41 of theretainer 39. - The telescopically movable member or
plunger 23 from theend plug assembly 13 is suitable for insertion into the hollowcylindrical body 21 from the outer or rightaxial end 31 thereof towards the inner orleft end 29.
Theplunger 23 is of general cylindrical cross-section of a smaller radius than thecylindrical body 21. Theplunger 23 includes a centre or base section 61, a left orinner portion 63 and a right orouter portion 65, each extending to opposite sides from the central section 61.
The center or base section 61 is a tube like portion 67 with a plurality of axially extendingribs 69 radially spaced on the outer surface of the base 61. Theribs 69 are designed to slidingly co-operate with thegrooves 57 of the inner surface of thetube 27 of thecylindrical body 21.
The left orinner part 63 projects axially from the base 61 and comprises at least two and preferably three radially spaced aparttongues 71, 73, 75. Thetongues 71, 73, 75 can be slidably retained in theaxial passage ways retainer 39 and thebody 21. Movement of the plunger 61 in axial direction is possible because thetongues 71, 73, 75 move within theaxial passage ways plunger tongues 71, 73, 75 can extend beyond theleft end 29 of thebody 21 when plunger is deeply inserted into thebody 21. However the centre section 61 of theplunger 23 will hit thebase 41 of the retainer when theplunger 23 is inserted to its maximum depth into thebody 21.
In order to prevent inadvertent disengagement of theplunger 23 from thecylindrical body 21, thetongues 71, 73, 75 each include a lug 73A at the axial end away from the base 61 on the outer surface of the tongues which cooperates with an indented portion 29A of the inneraxial end 29 of thecylindrical body 21. Inserted into thecylindrical body 21, the lugs 73A snap behind the indented portion 29A and thus prevent disengagement of the plunger from thebody 21. - The right or
outer part 65 of theplunger 23 projects axially from the base 61 opposite from theinner part 63. Theouter part 65 is provided with acircumferential screw thread 77 with a plurality ofwindings 79. The axial end 81 of theouter part 65 is provided with an axial extendingspigot 83 which in turn has an axial throughopening 83A suitable for receiving a shaft. Theopening 83A necessarily has the same cross-section as the shaft for which it is intended. Shafts in roller blinds 1, are generally used for operatively connecting two blinds side by side, such that these blinds need only a single operating system, either manually or motor driven. The opening's 83A inner diameter is smaller than that of thespigot 83, while the spigot's 83 outer diameter is smaller than that of theplunger 23.
Thecircumferential screw thread 77 receives the lockingring 15 which is provided with an inner thread 85 suitable for running on thecircumferential thread 77. Preferably thethreads 77, 85 are chosen such as to be a self-braking thread in order to prevent thering 15 from traveling along thecircumferential thread 77 due to vibrations caused by installation or use of the roller 1.
The ring or disc-like locking nut 15 has circumferential outer surface that is provided with serrations or teeth 87 for easy manipulation thereof. Alternatively thering 15 can be shaped as a hexagonal nut. - A rotatable mounting
cap 89 fits rotatably onspigot 83, and the total diameter ofcap 89 andspigot 83 is designed to fit into acentral mounting opening 7A of thebracket 7. Thecap 89 includes aradially projecting collar 91, the outer surface of which abuts thebracket 7 surface when theroller 3 is mounted thereto, so that theroller 3 can rotate relative to thebracket 7 and thecap 89. Theradially projecting collar 91 further prevents thering 15 from inadvertently running off theplunger 23, especially when theroller 3 is not yet mounted to abracket 7. Thecap 89 is hollow and surrounds thespigot 83 thus the keeps free thespigot 89opening 83A suitable for receiving a shaft. -
Compression spring 25 has a left first winding 25A and a right first winding 25B and a plurality of windings therebetween. Thespring 25 is preferably made from steel and can be used in theend plug 13 to bias theplunger 23 in the direction of the outeraxial end 31 of thebody 21. For this purpose thespigot 83 projects axially into theouter portion 65 such that aco-axial spigot body 84 is formed within theplunger 23. Thespigot body 84 includes a circular (radial)base 84B between the spigot-body 84 and the inner surface of theplunger 23. Thespring 25, when used, will rest with one end winding 25A on theretainer base 41 of the sleeve and with the other end winding 25B on thespigot body base 84B of theplunger 23. Thespring 25 will have a greater length than the distance between these twobases plunger 23 to its extended position. - If so desired an additional installation tool 93 can be used for ease of mounting the roller to the bracket. The tool 93 as shown in the
figure 3 is a so-called locater-nose and includes a nose-cone 95 and a butt-shaft 52. The butt-shaft 52 is inserted into the opening in thespigot 89 and the nose cone 95 give an greater ease of installation. Specifically the nose cone 95 assists an installer in locating thecentral aperture 7A of abracket 7, without needing a clear line of view. Once theroller 3 is installed, the tool 93 can be removed from the side opposite thebracket 7 by pulling the nose cone 95, since thespigot 89 mates with the central opening of thebracket 7A and the tool projects from thespigot 89. - The
brackets first flange 101 and a depending vertically extendingsecond flange 103. Thefirst flange 101 hasslots first flange 101 against either under a horizontal building surface or to a vertical building surface adjacent a window opening. Thesecond flange 103 hassimilar slots
Thesecond flange 103 of the bracket has a pattern of radially arranged slots oroblong holes 115 arranged around thecentral aperture 7A. Forleft bracket 5 these oblong holes are used for receiving a pair of opposite mounting hooks of the operator module 11 (as is explained in relation toFigures 10-13 ). The spacing of each pair of radially alignedoblong holes 115 corresponds to the spacing between such mounting hook members on theoperator module 11. As is explained later, in relation tofigure 5 , the radially alignedoblong holes 115 can also be used to mount other modular parts, such as aleveller module 200. The arrangement of the four pairs of radially alignedopenings 115 allows for a selection of angular positions into which themodules flange 103. - In order to mount or dismount the
roller 3 from thebrackets ring 15 needs to be in the unlocked position. The unlocked position is any position of thering 15 on thethread 77 of theouter part 65 of theplunger 23 away from the locked position, thus away from theright roller end 3A, and allows depression of theplunger 23 to a sufficient extend reducing the effective length of theroller 3 to mount or dismount of theroller 3 between thebrackets ring 15 is adjacent the axial end 81 of theouter part 65 of theplunger 23, as shown infigure 1 . Once theroller 3 is in place between thebrackets end plug 13 can be released to extend to its original position and locked in place by rotation of the lockingring 15 to the locking position. Or when theend plug 13 is withoutcompression spring 25, theplunger 23 needs to be manipulated to the extended position and locked in place by rotation of the lockingring 15 to the locking position. The locked position is whenring 15 is adjacent theright roller end 3A. In this position the lockingring 15 prevents depression of theplunger 23 of theend plug 13. This position is shown inFigure 2 . This position, chosen when theroller 3 is mounted to thebrackets roller 3. - Since the
ring 15 is on thethread 77 it is very easy to manipulate, even single handed. -
Figure 4 shows the roller blind 1 of the first embodiment to which aleveler module 200 is added. In describing this embodiment of the invention which is similar to that ofFigure 1 corresponding reference numerals are used below for the same parts or corresponding parts. - The roller blind 1 of
Figure 4 is shown withroller 3 mounted between a left and right mountingbracket blind material 9 is schematically indicated and can be wound and unwound from the roller by operating the beadchain operating mechanism 11 . The telescopic end plug 13 in theright end 3A of theroller 3 is visible by itslocking ring 15. As can be seen the lockingring 15 is adjacent theright roller end 3A and thus the plunger (not visible) of theend plug 13 is in it's locked position.
Thebrackets roller 3 is mounted between them. As can be seen by comparing the roller axis (A) with this surface (S), it is lopsided. Thus a leveler is needed. Adjacent theright bracket 7 is placed theleveler module 200 of the invention. By operating theleveler module 200, a range of positions of theright roller end 3A between a lower position and an upper position can be chosen. -
Figure 5 shows theleveler module 200 separate from thebracket 7. One of the advantages of theleveler module 200 of the invention over the prior art levelers is that it can be easily mounted to thebracket 7 as complete module. This is explained further on in the description. Theleveler module 200 includes a rotatable mountingtray 202, abase member 204 , aroller carrier 206 slidably connected to thebase member 204, with anoperator 208 between the base 204 and theroller carrier 206, and ancover ring 210. -
Figure 6 shows the rear ofbracket 7 with theleveler module 200 mounted to thereto. Thevertical flange 103 has a centraldepressed portion 117 in which are located thecentral aperture 7A with the mountingoblong holes 115 radially distributed about it. As can be seen a plurality of mounting means in the form of mounting hooks 212, 214, 216, 218 of therotatably mounting tray 202 and a plurality oflocator beads base member 204 alternatingly project through the mountingoblong holes 115. Each mounting hook 212,214,216, 218 includes astem portion stem portion stem portions tray 202. Thelocator beads oblong holes 115, and thus have a general oblong form. Attaching theleveler 200 to thebracket 7 takes two steps; positioning theleveler 200 against thebracket 7 such that the hooks 212, 214, 216, 218 andlocator beads oblong holes 115 and subsequently rotating the mountingtray 202 clockwise to lock theleveler 200 to the bracket by the hooks 212,214,216, 218 gripping over the rims of the oblong holes 115. During rotation of thetray 202, thelocator beads leveler module 200 against rotation. Thus thetray 202 rotates relative to the rest of theleveler module 200 and the hooks 212, 214, 216, 218 lock about the rims of theopenings 115. The spacing between the hooks 212, 214, 216, 218 and the rear of the mountingtray 202 is preferably equal or a little less than the thickness of the bracket material adjacent the oblong holes 115. The bracket surface will thus be clamped between the hooks 212, 214, 216, 218 and the rear of thetray 202 once the hooks 212, 214, 216, 218 are rotated to their locked position. Additional locking means 258, 270,272 are provided between on mountingtray 202 and the rest of the leveler module which prevent thetray 202 from rotating on its own accord (e.g. caused by vibration or by operation of the blind 1 or the like) in the opposite direction and thus disengaging theleveler 200 from thebracket 7. These locking means 258, 270, 272 are described in relation toFigure 7 .
Theleveler module 200 can thus be easily, even single handedly, mounted to abracket 7 similar to a bayonet type quick release mechanisms. This is particularly convenient, for after-installment thereof. It also makes expensive bracket with integrally formed levelers obsolete. Since roller blinds 1 with telescopic end plugs 13 are also very easy to mount between twobrackets leveler 200 until later. If, after mounting the roller blind 1 it appears lopsided, the blind 1 can be easily disengaged from theright bracket 7 and theleveler module 200 can be attached to thebracket 7 and the blind 1 remounted with thespigot 89 of the telescopic end plug 13 to thecentral opening 228 of the roller carrier 206 (which is visible inFigure 5 ).
As shown infigures 5 and6 there are eight radially distributedopenings 115 for theleveler 200 to be mounted to. Thus the angular orientation of theleveler 200 is selectable with increments of approximately 40 degrees. This is convenient since theleveler 200 can always be installed such that itsoperator 208 is reachable. - The
leveler module 200 is explained in more detail in relation toFigure 7 , which shows theleveler module 200 in exploded view.
The mountingtray 202 is circular with abottom surface 230 which has acentral aperture 232, and four cutouts 234,236,238,240 distributed radially about thecentral aperture 232. Anaxial border 242 projects frontally away from thebottom surface 230. Theborder 242 includes two opposite recesses 244,246. Ribbingportions 250 on the outer circumferential surface 248 of theborder 242 facilitate handling of the border and rotation of the mountingtray 202 while mounting theleveler module 200.
The mounting hooks 212,214,216, 218 (not visible inFigure 7 ) project axially from the rear face of thebottom surface 230 of the mountingtray 202.
Aninner ring 252 co-axial to theborder 242 forms aco-axial channel 254 for thecover ring 210. Extending radially from the top ofinner ring 252 and towards the center of the mountingtray 202 are foursnap flanges 256 which prevent theleveler base 204 from falling out from thetray 202. Theflanges 256 reduce the inner diameter of thering 252 of thetray 202 and once the base 204 is in thetray 202, theflanges 256 overlap portions of thebase 204. Also extending radially form theinner ring 252, betweenbottom surface 230 and the top of thering 252, istray locking ridge 258 which cooperate with locking means 270,272 on theleveler base 204 to lock theleveler tray 202 against inadvertent rotation. - The
leveler base 204, like the mountingtray 202, is circular with abottom surface 260 and acentral aperture 262. Projecting from the rear side of thebottom surface 260 are thelocator beads figure 7 . When theleveler base 204 is snapped into the mountingtray 202, the locator beads project through the cutouts 234,236,238,240 of thetray 202. Thecutouts tray 202 are oversized in relation to thelocator beads tray 202 relative to thebase 204, which would be impossible if the cut-outs beads - To the base 204 will be mounted an operator and a
roller carrier 206. Theroller carrier 206 can slide relative to thebase 204 by manipulating theoperator 208. A pair of left and right generally Z-shaped flanges 264,266 projecting from thebase surface 260 facilitate the sliding co-operation between the base 204 and a first pair of complementary left and right wing-like side flanges 292 on theroller carrier 206. The Z-shaped base flanges project from the edge of thebase surface 260 and are located directly opposite each other. Each flange 264,266 has afirst leg base surface 260; an intermediatesecond leg first leg base surface 260, and athird leg intermediate leg base surface 260 and parallel off-set from to thefirst leg second leg base surface 260 which will lie atop the a parallel surface 284B,286B of thecomplementary wing flanges 292 of theroller carrier 206.
The outer, circumferential surface of at least one of thefirst legs inward recess 268 and within the recess 268 a lockingbead 270 and lockinggutter 272. The lockingbead 270 projects from therecess 268 radially outward to the extent of the circumferential surface of thebase 204, immediately adjacent the lockingbead 270 is the lockinggutter 272 which can accommodate thelocking ridge 258 of the mountingtray 202. Thegutter 272 fits between thebead 270 and the end of the recess, thus is bordered on both sides. Rotating the mountingtray 202, to lock theleveler 200 to thebracket 7 by the hooks 212,214,216, 218 gripping over the rims of theoblong holes 115, will cause thelocking ridge 258 to jump thebead 270 and come to rest in thelocking gutter 272. - Additionally a pair of hook-shaped pair of left and right flanges 274,276 extend parallel to each other from the top of the
base surface 260 towards thecentral base aperture 262 to co-operate with a first pair of complementary left and right hook-shaped flanges 294,296 on theroller carrier 206. The base hook flanges 274,276 each have afirst hook leg 274A projecting perpendicular from thebase surface 260; ansecond hook leg first hook leg 274A.
Finally a pair of left and right guide legs 278,280 is located opposite from the hook flanges 274,276 on the other side of thecentral base aperture 262. Theguide legs complementary guide legs 298 on theroller carrier 206. Projecting to the right of theright guide leg 280 and fixed to thebottom surface 260 is abearing 282 for rotatably holding thehead 320 of theoperator 208. Thebearing 282 extends parallelright guide leg 280 in the general direction of the right hook shapedflange 276. In the extension thereof is a trough like slot 284 withangled side walls 286 for slidably holding thebolt 324 of theoperator 208. - The
roller carrier 206 is a semi-circular plate with a bottom surface with anouter face 302A and an inner face. Straight left and right sides 304,306 shape thecarrier 206 to a general oval form. Thecarrier 206 is slidably mounted to thebase 204 by the co-operating left and right wing-flanges 290,292 cooperating with the left and right Z-shaped flanges 264,266 of the base. These wing flanges 290,292 project perpendicular from the rear face 302B of thecarrier 206 and radially outward. Thecarrier 206 further includes acentral aperture 308 and a pair of opposite top and bottom oblong holes 310,312. In use therotatable cap 89 can project through thecentral aperture 308 while the outer surface of theradial collar 91 rests on the carrier's outer face. - The rear face of the
carrier 206 further includes the complementary left and right hook-shaped flanges 294,296 which slidingly co-operate with the hook-shaped flanges 274,276 of thebase 204, and the complementary guide legs 298,300 which slidingly cooperate with theguide legs base 204.
On the rear face, juxtaposed to theright wing flange 292 andcentral aperture 308 is cradle in which thenut 324 of theoperator 208 is to be fixated. Thenut 324 once placed in the cradle can neither rotate nor slide relative to the cradle 314 of thecarrier 206. - The
operator 208 includes abolt 316 having a threadedstem 318 and ahead 320, at one end of the stem, with a countersunk hexagon socket (not shown), and ahexagonal nut 324. Thenut 324 has an internal thread (not shown) which cooperates with thestem 318 of thebolt 316. Thehead 320 ofoperator bolt 316 is rotatably fixed in abearing 282 on the front of thebase 204 and thenut 324 is unrotatably fixed to in cradle ofroller carrier 206. Thus theoperator 208 is between the base 204 and theroller carrier 206 when these are assembled together. Since thenut 324 is fixed to theroller carrier 206 but slidable in trough 284 of thebase 204, rotating thebolt 316 moves thenut 324 along the stem dragging theroller carrier 206 with it relative to thebase 204. - As last item on
Figure 7 is shown the cover ring 210.Thisring 210 has afront surface 210A and a axialcircumferential rim 326. The ring includes left and rightradial extending ears right snap flanges 332 radially projecting. In assembling theleveler 200, thering 210 is snapped over the base 204 after thebase 204,roller carrier 206 andoperator 208 are fit into the mountingtray 202. The ears 328,330 are accommodated in the recesses 244,246 of the mountingtray 202 while leaving space for the mountingtray 202 to be rotated relative to thering 210. Thesnap flanges 332 snap over the intermediatesecond legs base 204. When the mountingtray 202 is manipulated to lock theleveler 200 to the mountingbracket 7, thering 210 remains stationary together with the other parts of theleveler 200. InFigures 5 and7 indication marks "locked ┐" 336 and "unlocked ┌" 338 are placed on the ring'sfront surface 210A. A littleradial projecting pimple 340 on theaxial border 242 of the mountingtray 202, adjacent its front rim, is positionable by rotation of the mountingtray 202 in line with the locked 336 or unlocked 338 markings on thecover ring 210. An access opening 342 is present in theaxial border 242 of the mountingtray 202 juxtaposed with thepimple 340. Likewise anring opening 344 is present on theaxial rim 326 of thecover ring 210 juxtaposed with 'locked' 336 marking. The relative locations of the openings 342,344 and the associatedindicator pimple 340 and locked marking 336 are chosen such that when the mounting tray is locked to the bracket, thepimple 340 andopening 342 align with a ring marking 'locked' 336 andring opening 344 . The aligned openings 338,340 of the cover and the mounting tray allow theleveler 200 to be operated by a tool (not shown) to be inserted through the openings to act on theoperator 208. When the mountingtray 202 is not locked to thebracket 7, thepimple 340 and itsadjacent opening 342 are aligned with the marking 'unlocked' 338 on the cover ring such that theaccess openings leveler 200 cannot be operated. -
Figure 8 shows a further roller mounting system for acompound roller blind 401, by which system tworollers brackets intermediate bracket 406. In describing this embodiment of the invention which is similar to that ofFigure 1 corresponding reference numerals (greater by 400) are used below for the same parts or corresponding parts. - In the blind 401 of
Figure 8 a pair ofrollers intermediate bracket 406. Theblind material roller chain operating mechanism 411. Eachroller Figure 1 , each telescopic end plug 413,414 in theright end roller roller Figures 1-3 and like reference numerals greater by 400 are used for like parts. For bothrollers single operating mechanism 411 they are coupled together by acoupling shaft 746 indicated in dashed line. Thecouple shaft 746 has a cross-section for form fit to the spigot opening of spigot of theend plug 413 of theleft roller 403. The left end of theright roller 404 is provided with anend plug 748 which is provided with an opening similar to the spigot opening. (not shown). - Additionally the
composite blind 401 ofFigure 8 is provided with aleveler module 600 on theintermediate bracket 406.
Theleveler module 600 is identical to theleveler 200 described in relationFigures 4-7 and like reference numerals greater by 400 are used for like parts. Theintermediate bracket 406 is identical tobracket 7 which is described in relation to the previous figures.
The central apertures of respectively theintermediate bracket 406, the leveler mounting tray; the leveler base, and the leveler roller carrier are large enough to accommodate thecouple shaft 746 with room to spare for the leveler roller carrier to move up or down in order to level the two roller 403,404 of the blind 401. - Mounting of the rollers of blind 401 can be done as follows: the
left roller 403 is first mounted by depressing theend plug 413, positioning theroller 403 between
theleft bracket 405 and theintermediate bracket 406, and subsequently retracting theend plug 413 to its extended position, positioning the locking ring 415 adjacent the roller end 403A to lock the end plug against depression. Inserting thecoupling shaft 746 from the right side of thebracket 406 into the spigot opening. Mounting theright roller 404 by depressing the end plug 414, placingleft end plug 748 over the projecting portion of thecoupling shaft 746, positioning theroller 404 with respect to theright bracket 407, and subsequently retracting the end plug 414 to its extended position, positioning the locking ring 417 adjacent the roller end 404A to lock the end plug against depression. -
Figure 9 is an exploded view of the centre parts of the compound blind ofFigure 8 with the intermediate bracket.
As can be seen in this exploded view thecoupling shaft 746 is provided with acoupling head 750 from which project three of protrusions 752,754 creating a
generally triangular cross-section of which the protrusions are the vertices and the connecting sides (752A) are curved. Theend plug 748 has aninternal recess 756 of identical cross-section and matingly receivecoupling head 750. Theprotrusions head 750 run intomating grooves end plug 748. Thus a secure connection betweencoupling shaft 746 and the tworoller -
Figures 10-12 and13A-13C show thepreferred operating mechanism roller bracket -
Figure 10 shows the roller mounting system ofFigure 1 , in exploded view from the side of the operatingunit 11, included are analterative mounting bracket 5B, the operatingunit 11 and anadapter end plug 768 forleft side 3A of theblind roller 3. The mountingbracket 5B is of the type describe in relation tofigures 3-7 in that it includes has a pattern of radially arranged slots oroblong holes 115 arranged around thecentral aperture 5C. Thebracket 5B is further of a type suitable a so called cassette system, wherein theblind roller 3 is enclosed in a housing or head box (not shown, but conventional). Thebracket 5B as shown inFigure 10 is adapted to connect with such a housing or headbox and acts as an end wall therefore. - In
Figures 13A-13C the bracket is shown as identical in shape to theintermediate bracket 406 offigure 8 or9 . - ***
-
Figures 11 and 12 show the operatingmodule 11 of the roller mount system. This includes ahousing 770, achain wheel 772, anengagement device 774 . Thechain wheel 772 is rotatably journalled on thehousing 770 and may be rotated by a conventional ball chain (not shown).
Rotation of thechain wheel 772 will rotate theengagement device 774. Theengagement device 774 has axially extending bosses for rotatably engaging aconnector 776. Theconnector 776 has complementary axially extending bosses. Thehousing 770 has a central drum portion having alarge diameter 778 and asmall diameter section 780. The central drum portion further defines a central bore which rotatably receives aninternal journal 782 on theconnector 776. A total of three different wrap springs 784, 786, and 788 is provided for arresting theconnector 776 against rotation when it is not being driven by theengagement device 774.
Theconnector 776 is provided with a central bore, which in use, is concentric with the bore in thehousing 770. Slidably engaged in the central bore islatch plug 790 for the purpose of securing thehousing 770 to a mounting bracket, as will be further described herein below. Thelatch plug 790 is also retained in the central bore of theconnector 776 by a stem with anenlarged head 792. As seen inFigure 12 , thehousing 770 is also provided with hook members 794,796 for mounting to the bracket. Each hook includes a stem portion and a grip portion extending downward from the top of the stem portion. The bottom of the stem portions is connected to thehousing 770. - Further there is provided a guarding
bridge 798, that snap-fits onto thehousing 770 as a separate element, to guide and retain the ball chain (not shown, but conventional), after it has been positioned in thehousing 770.
Also visible inFigure 12 the central bore of theconnector 776 opens into arecess 800 and that the stem of thelatch plug 790 has anotch 802. -
Figures 13A, 13B and 13C show the stages of mounting in operatingunit 11 to a mountingbracket 5. The mountingbracket 5 is similar identical to the mounting bracket shown inFigure 1 , but in an alternative basic form without provisions to co-operate with a housing or headbox. The mounting that will be described is similar for both forms of mounting bracket. The mountingbracket 5 has a generally horizontally extendingfirst flange 101 and a depending vertically extendingsecond flange 103 . Thefirst flange 101 has slots 105,107, and 109 for receiving fasteners (not shown, but conventional) to mount the first flange against either under a horizontal building surface or to a vertical building surface adjacent a window opening. Thesecond flange 103 hassimilar slots
For receiving thedrive unit 11 thesecond flange 103 of the drive unit has a pattern of radially arrangedslots 115 arranged around acentral aperture 5C. The spacing of each pair of radially alignedslots 115 corresponds to the spacing between thehook member housing 770 of thedrive unit 11. The arrangement of four pairs of radially alignedslots 115 allows for a selection of angular positions into which thedrive unit 11 can be mounted in respect of the bracket flanges. This is particular convenient for situations where the surface to which the bracket is mounted is slanted. The choice angular position for mounting thedrive module 11 to the bracket can thus cancel out the slant angle. -
Figure 13A shows thedrive unit 11 being presented to thebracket 5, but not yet engaged.Figure 11B shows the first stage of engagement with thehook members slots 115. Lowering thehousing 770 to lock to the bracket by the hook's grip portions 794B, 796B gripping over the rims of the oblong holes 115. With this lowering movement accomplished as shown inFigure 11C , thelatch plug 790 will also have fully engaged thecentral aperture 5C by expansion of a spring (visible inFigure 12 ) biassing thelatch plug 790 in the direction of the bracket. This will effectively lock thedrive unit 11 to thebracket 5 and prevent it from becoming accidentally dislocated. Removal is only possible by having thelatch plug 790 retract in the central bore (as described herein above), sufficiently to unhook thehook members respective slots 115. - The combination of the mounting hooks 794, 769 with the
slots 115 of the brackets not only provides for an easy locking of theleveler 200 or the operatingmodule 11 to a bracket, it also conveniently leaves the central aperture of the bracket open. This is particularly useful for compound blinds in which a plurality of rollers is used and the rollers are operatively connected by a linking shaft (as shown inFigure 8 and9 ). At the same time the free central aperture is of particular importance for allowing thelatch plug 790 of the operatingmodule 11 is be operational. - This invention is, of course, not limited to the exact configuration of the above-described embodiments which may be modified without departing from the scope of the appended claims. In this regard, the terms in the foregoing description and the following claims, such as "left", "right", "front", "rear", "vertical" and "horizontal" have been used only as relative terms to describe the relationships of the various elements of the roller mounting system of the invention.
- For example, although the lugs 73A described in relation to
Figure 3 are shown to be on the outer surface of the tongues which cooperates with an indented portion 29A of the inneraxial end 29 of thecylindrical body 21, instead they can also be on the inner surface and interact directly with theretainer flanges 45,47,49 of thecylindrical body 21. - Also, the
spring 25 is an optional part of the end plug assembly. It is possible to use the end plug assembly of the invention without the spring. In that case theplunger 23 has to be maneuvered to its desired depressed or retracted position by hand, e.g. by rotating the lockingring 15 upon installment of theroller 3 thespigot 89 can be moved into association with theopening 7A in thebracket 7.
Further,Figure 6 shows four hooks 212, 214, 216, 218 and fourlocater beads leveler 200 to thebracket 7. - Although a manual operating mechanism (11, 411) is shown, the blinds can also be motorized.
- Although the
leveler module 200 is described as including acover ring 210, theleveler module 200 will be equally easy mountable to the bracket and operational if thering 210 is not used. Even the safety feature of theunreachable operator 208 is not affected by not having acover ring 210. - Although the pair of opposite top and bottom oblong holes 310,312 on the
roller carrier 206 of theleveler module 200 are not used in the described embodiments, they offer the possibility of mounting aroller 3, which instead of the describedtelescopic end plug 13 includes an alternative end plug with a pair of hook like mounting means, similar to thehooks module 11. Such an alternative end plug can be mounted toleveler module 200 which in turn is mounted to abracket 7. Such an alternative end plug can further include alatch plug 790 like the one on the operating module. - The operating
module 11 is describe including alatch plug 790, it is equally possible to use anoperating module 11 withoutsuch latch plug 790 and have themodule 11 be locked tobracket 5 by its hooks 794,796 only. - Although the
compound roller blind 401 offigure 8 only shows a blind 401 with tworoller leveler modules 200 will the also be used.
Claims (8)
- A telescopic end plug (13, 413, 414) engageable within an end-opening of a roller (3, 403, 404), the end plug (13, 413, 414) including:a hollow body (21);a telescopically movable member or plunger (23) co-axially positionable with respect to the hollow body (21) such that a first axial extending length portion (65) of the plunger (23) projects from the hollow body (21) and a second axial extending length portion (63) is held within the hollow body (21), the plunger (23) being telescopically movable between a first end position in which the first portion (65) of the plunger (23) projects from the hollow body (21) and a second end position in which at least part of the first portion (65) is inserted into the hollow body (21);a spring (25) for biasing the plunger (23) towards the first end position; whereinthe end plug (13, 413, 414) further includes a locking member (15); characterized in that:the locking member (15) is positionable on said first portion (65) for locking the plunger (23) against movement towards the second end position, and wherein the first portion (65) of the plunger (23) is threaded and the locking member (15) is rotatably receivable on the thread (77) such that it is positionable on the first portion (65) for locking the plunger (23) against axial movement towards its second end position beyond the locking member (15).
- A roller blind mounting system comprising- at least one roller (3, 403, 404),- at least one telescopic end plug (13, 413, 414) according to claim 1,- at least two brackets (5, 5B, 7, 405, 406, 407) wherein at least one of the brackets (5, 5B, 7, 405, 406, 407) includes a central aperture (5C, 7A) and wherein the first portion (65) is mountable to the central aperture (5C, 7A) of the bracket (5, 5B, 7, 405, 406, 407).
- The roller blind mounting system according to claim 2 wherein the telescopic end plug (13, 413, 414) further comprises a rotatable end cap (89) rotatably fixed to the end of the first portion (65), said end cap (89) adapted to be received in the central aperture (5C, 7A) of the bracket (5, 5B, 7, 405, 406, 407) such that the telescopic end plug (13, 413, 414) and the roller (3, 403, 404) engageable therewith are rotatably mountable to said bracket (5, 5B, 7, 405, 406, 407).
- The mounting system of claim 2 or 3 wherein the bracket (5, 5B, 7, 405, 406, 407) further includes at least one pair of openings (115) positioned radially about said central aperture (5C, 7A) and the opening (115) of each pair are in line with each other, and the mounting system further comprising- an operating module (11) or a leveler module (200), or both provided with mounting means (794, 796, 212, 214, 216, 218) adapted to co-operate with the at least one pair of openings (115) of the bracket (5, 5B, 7, 405, 406, 407).
- The mounting system of claim 4 wherein said mounting means (212, 214, 216, 218, 794, 796) are hook-like members adapted to project through the openings (115) of the bracket and grip the rim of the openings (115).
- The mounting system of claim 5 wherein the hooks each include a stem portion (212A, 214A, 216A, 218A) and a grip portion (212B, 214B, 216B, 218B) extending from the top of the stem portion (212A, 214A, 216A, 218A).
- The mounting system of claim 6 wherein the grip portion (212B, 214B, 216B, 218B) extends sideways from the top of the stem portion (212A, 214A, 216A, 218A).
- The mounting system of claim 6 wherein the grip portion (212B, 214B, 216B, 218B) extends downwardly from the stem portion (212A, 214A, 216A, 218A).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07254737.5A EP1936106B1 (en) | 2006-12-14 | 2007-12-07 | Mounting system for a roller blind |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06025885 | 2006-12-14 | ||
EP07254737.5A EP1936106B1 (en) | 2006-12-14 | 2007-12-07 | Mounting system for a roller blind |
Publications (3)
Publication Number | Publication Date |
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EP1936106A2 EP1936106A2 (en) | 2008-06-25 |
EP1936106A3 EP1936106A3 (en) | 2008-07-09 |
EP1936106B1 true EP1936106B1 (en) | 2016-03-16 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP07254737.5A Active EP1936106B1 (en) | 2006-12-14 | 2007-12-07 | Mounting system for a roller blind |
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WO2009030474A1 (en) * | 2007-09-07 | 2009-03-12 | Hunter Douglas Industries B.V. | Universal connector |
NZ583121A (en) | 2009-02-09 | 2010-06-25 | Carmelo Joseph Licciardi Di St | An idler for a roller blind system with adjustable axial movement to accommodate different width mountings |
CA2699032A1 (en) * | 2009-04-03 | 2010-10-03 | Louver-Lite Limited | Shim |
GB0909439D0 (en) | 2009-06-02 | 2009-07-15 | Schlumberger Technology Bv | Idle end assembly |
US8714500B2 (en) * | 2010-03-29 | 2014-05-06 | Philip Ng | Locking safety bracket and clutch for blinds |
NL1040194C2 (en) | 2013-01-09 | 2015-08-25 | Hunter Douglas Ind Bv | Mounting system for an architectural covering and an end bearing therefor. |
DE102014003498A1 (en) | 2014-03-14 | 2015-09-17 | Roma Kg | Building opening shading device and side bearing module for a winding shaft of the building opening shading device |
DE102014003499A1 (en) | 2014-03-14 | 2015-09-17 | Roma Kg | Building opening shading device |
DE102014003497B4 (en) | 2014-03-14 | 2021-02-25 | Roma Kg | Building opening shading device with an axle cap module for the winding shaft of the building opening shading device |
DE102014003496B4 (en) | 2014-03-14 | 2016-08-11 | Roma Kg | Building opening shading device and axle cap module for a winding shaft of the building opening shading device |
US11802441B2 (en) * | 2017-11-03 | 2023-10-31 | Hunter Douglas Industries B.V. | Mounting element for mounting an architectural covering between opposing mounting surfaces |
CN207485317U (en) * | 2017-11-29 | 2018-06-12 | 宁波利洋窗饰股份有限公司 | A kind of curtain mounting assembly |
DE102018203295B3 (en) * | 2018-03-06 | 2019-08-14 | Geze Gmbh | Drive for a wing of a window or the like |
PL244187B1 (en) * | 2021-01-12 | 2023-12-11 | Fakro Pp Spolka Z Ograniczona Odpowiedzialnoscia | Assembly for coupling the shaft of movable curtain to its body |
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US2999664A (en) * | 1958-02-21 | 1961-09-12 | Mcculloch Bryson | Shade roller and bracket assemblies |
DE1654093C3 (en) * | 1967-07-01 | 1975-07-17 | Fa. Oskar Widmer, 6148 Heppenheim | Roller blind shaft |
DE2721629A1 (en) * | 1977-05-13 | 1978-11-16 | Herbert Becker | Hollow spindled roller shutter mounting axle - has extensible end with support for subsequent adjustable installation and permits easy removal later |
FR2743599B1 (en) | 1996-01-12 | 1998-04-17 | Jean Deprat Sa Ets | ROLLING SHUTTER, INTENDED TO PROTECT AN OPENING ELEMENT, SUCH AS A WINDOW, DOOR OR THE LIKE |
GB9604778D0 (en) | 1996-03-06 | 1996-05-08 | Harris Bernadette E | Idle end support for a roller blind |
GB9609929D0 (en) | 1996-05-13 | 1996-07-17 | Louver Lite Ltd | Roller blind |
US6196508B1 (en) | 1998-06-18 | 2001-03-06 | Frederik G. Nijs | Bracket system for motorized and crank operated shades |
DE10351336B4 (en) * | 2002-11-06 | 2016-03-17 | Norbert Neher | Insect screen |
US7051782B2 (en) | 2003-10-23 | 2006-05-30 | Lutron Electronics Co., Inc. | System for coupling roller shade tubes |
DE202004015105U1 (en) * | 2004-09-29 | 2005-05-12 | El-Hussein, Khalid | Roller body for roller blind consists of 3 parts, namely roller sleeve, roller head, coil spring between roller sleeve, head; one can slide roller head with coil spring into sleeve, roller head disappears completely into roller head |
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2007
- 2007-12-07 EP EP07254737.5A patent/EP1936106B1/en active Active
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EP1936106A3 (en) | 2008-07-09 |
EP1936106A2 (en) | 2008-06-25 |
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