EP0791718B1 - Telescopic socket for roller-blind shafts - Google Patents

Telescopic socket for roller-blind shafts Download PDF

Info

Publication number
EP0791718B1
EP0791718B1 EP96500143A EP96500143A EP0791718B1 EP 0791718 B1 EP0791718 B1 EP 0791718B1 EP 96500143 A EP96500143 A EP 96500143A EP 96500143 A EP96500143 A EP 96500143A EP 0791718 B1 EP0791718 B1 EP 0791718B1
Authority
EP
European Patent Office
Prior art keywords
tubular part
socket
outer tubular
blind
inner tubular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96500143A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0791718A2 (en
EP0791718A3 (en
Inventor
Francisco Guillen Chico
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gaviota Simbac SL
Original Assignee
Forjas del Vinalopo SL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Forjas del Vinalopo SL filed Critical Forjas del Vinalopo SL
Publication of EP0791718A2 publication Critical patent/EP0791718A2/en
Publication of EP0791718A3 publication Critical patent/EP0791718A3/en
Application granted granted Critical
Publication of EP0791718B1 publication Critical patent/EP0791718B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

Definitions

  • the invention proposed herein consists of a telescopic socket for the shafts of roller-type blinds, although other applications, such as Venetian or roll-up blinds and other window accessories, are not discarded.
  • the socket consists of three parts, a graduated external tubular part, another part that is also graduated tubular part that slides inside the aforementioned part, passing through both ends and held inside the former by means of an intermediate spring, such that the anterior part is left free to facilitate assembly either of the socket or of the socket and of the bearing included alternately to the pin, at the outer end of the innermost part.
  • blind fitters tend to leave the shafts short with regard to their housing to avoid having to use the trial and error method, and so insert it the first time, slightly sloping and forming an angle with the horizontal plane.
  • the telescopic systems used to extend the blind shaft make it easier to put the aforementioned shaft in place, snug at each end, and yet also make it easy to assemble and dismantle.
  • the invention described herein is a telescopic socket for blind shafts, in three single parts.
  • the first part is an outer tubular part, provided with a flange that acts as a stop for the inserted end of the blind shaft and that is of the opposite shape to the inner body of the latter, preferably hexagonally-shaped.
  • the part is closed transversally, by way of a graduated riser that drastically reduces its cross-section, albeit maintaining the same geometrical shape, which is connected to a coaxial extension that is much shorter than the body of this outer part and that juts out on both sides of the riser, with a square cross-section and slightly bevelled vertices. Also, two of the opposite faces are provided with two end notches.
  • the other, innermost part is also tubular and graduated, starting with a circular cross-section in the area with the largest cross-section and changing to a square cross-section at the other end. It slides into the free end of the anterior part, passing through both ends of the former, and is attached on the inside to the aforementioned inner graduated riser of the latter by a spring that is pre-assembled in the second part and that circumscribes the part of the reduced step of the latter.
  • the end of the inner sliding part that has largest surface area is circular on the outside, and has a tubular cylindrical housing, its inner generatrices having a large number of projections, to a conventionally built stop or transverse base that houses the socket bearing.
  • This tubular element of the end extends beyond this bearing housing, and is graduated at the end to stop the aforementioned spring.
  • the spring is guided and held in place, to prevent any sinusoidal bending when it moves, by the posterior housing of this bearing housing, by way of a graduated projection and much longer, of this inner sliding part, with a square cross-section as described.
  • This sliding part is also characterized by having a notch at the free ends of its edges, thus generating extreme elastic media of the extension that supports the spring, that fasten the inner part on the outside, formed by diametrically opposite, elastically-retracting catches that fit in the opposite-shaped notches of the outer hexagonal extension.
  • the spring does not have to bear the pressure used to insert the bearing, normally involving blows with a soft mallet, so it does not deform, move out of the lower housing or move sideways, meaning that the socket must remain incorrectly placed throughout the time that it is used, or forcing the worker to dismantle the parts and recommence the operation.
  • this invention refers to a telescopic socket for blind shafts, in three single parts, the first being an outer tubular part (1), with a flange (2) that acts as a stop for the end of the blind shaft, preferably hexagonally-shaped and with a sliding mortise (2') which internally closes in a riser (3), which extends into an coaxial extension (4) that crosses the riser (3) and that has a rectangular cross-section with bevelled vertices, while the other tubular, circular cross-sectioned inner passing part (5) changes gradually (6) into a square cross-section and slides into the free end of the anterior and is equipped, alternatively, with a pin (7) that acts as the outer support of the blind, or else a body (7') with projections that houses the socket bearing.
  • This body (7') extends beyond the base (8) of the bearing support, in a mortise (9) that is graduated (11) to act as the spring stop (10). It also has catches at its notched end (6) that fit in the opposite-facing notches (12) of the tubular section (1).

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Support Devices For Sliding Doors (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Flexible Shafts (AREA)
  • Tents Or Canopies (AREA)
  • Blinds (AREA)
EP96500143A 1996-02-21 1996-11-11 Telescopic socket for roller-blind shafts Expired - Lifetime EP0791718B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES09600417U ES1033287Y (es) 1996-02-21 1996-02-21 Contera telescopica para ejes de persianas.
ES9600417 1996-02-21

Publications (3)

Publication Number Publication Date
EP0791718A2 EP0791718A2 (en) 1997-08-27
EP0791718A3 EP0791718A3 (en) 1999-05-26
EP0791718B1 true EP0791718B1 (en) 2003-01-29

Family

ID=8293901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96500143A Expired - Lifetime EP0791718B1 (en) 1996-02-21 1996-11-11 Telescopic socket for roller-blind shafts

Country Status (4)

Country Link
EP (1) EP0791718B1 (es)
AT (1) ATE231948T1 (es)
DE (1) DE69625995T2 (es)
ES (2) ES1033287Y (es)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU410587B2 (en) * 1967-04-13 1971-02-17 Breneman, Inc Terminal for shade roller length adjustment
BE787946A (fr) * 1971-12-27 1973-02-26 Clopay Corp Enrouleur automatique de store
DE3024712A1 (de) * 1979-06-29 1981-02-05 Christopher John Sandall Zusammenschiebbare walze eines rolladens
EP0672814A1 (en) * 1994-03-15 1995-09-20 Forjas Del Vinalopo, S.L. Telescoping device for the spindle of a roller blind

Also Published As

Publication number Publication date
DE69625995D1 (de) 2003-03-06
EP0791718A2 (en) 1997-08-27
EP0791718A3 (en) 1999-05-26
ES1033287U (es) 1996-08-01
DE69625995T2 (de) 2004-01-08
ATE231948T1 (de) 2003-02-15
ES1033287Y (es) 1997-07-16
ES2188736T3 (es) 2003-07-01

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