EP0776173B1 - A method to fix a wire knob to a support, a wire knob, and the use of a wire knob - Google Patents

A method to fix a wire knob to a support, a wire knob, and the use of a wire knob Download PDF

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Publication number
EP0776173B1
EP0776173B1 EP95929300A EP95929300A EP0776173B1 EP 0776173 B1 EP0776173 B1 EP 0776173B1 EP 95929300 A EP95929300 A EP 95929300A EP 95929300 A EP95929300 A EP 95929300A EP 0776173 B1 EP0776173 B1 EP 0776173B1
Authority
EP
European Patent Office
Prior art keywords
rod
knobs
wire
wire knob
knob
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
EP95929300A
Other languages
German (de)
French (fr)
Other versions
EP0776173A1 (en
Inventor
Stefan Schörling
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0776173A1 publication Critical patent/EP0776173A1/en
Application granted granted Critical
Publication of EP0776173B1 publication Critical patent/EP0776173B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04D—TRIMMINGS; RIBBONS, TAPES OR BANDS, NOT OTHERWISE PROVIDED FOR
    • D04D1/00—Ropes or like decorative or ornamental elongated trimmings made from filamentary material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H1/00—Curtain suspension devices
    • A47H1/02—Curtain rods

Definitions

  • This invention relates to a method of making up a curtain rod (13) by screwing wire-coil knobs (11) onto cylindrical end portions (15) of the rod (13). It also relates to a curtain rod assembly comprising a cylindrical rod and wire-coil end knobs with cylindrical wire-coil portions mounted on the cylindrical end portions of the rod,
  • GB-A-517899 describes a curtain rod with threaded ends and tension springs screwed onto the rod ends.
  • the springs have loops at their ends for attachment to the window frame and the springs permit for a length adjustment.
  • the figure shows a knob 11 and a part of a curtain rod 13.
  • the knob 11 is made of a wire that is coiled.
  • the wire should be comparatively stiff and springy. In a coiling machine, the coil can be given almost any desirable decorative form and the machine set time is short. Thus, various knobs can be made in a single inexpensive machine and new forms can be introduced without any delay.
  • One end, the end 12, of the knob 11 is substantially cylindrical. This end 12 forms thus a thread that can be screwed onto a substantially cylindrical end 15 of a curtain rod 13.
  • the curtain rod can for example be a metal tube or a wooden rod and the knobs form decorative ends of the curtan rod.
  • the end 15 of the rod has no threads and its diameter is slightly larger than the inner diameter of the coil end 12.
  • the coil end expands when it is screwed onto the end 15 of the rod and it becomes stuck by its spring action and the resulting friction forces.
  • One can easily remove the knob by turning it in the same direction as when it was mounted and simultaneously pulling it off. It would not be possible to screw the knob off if the rod end 13 would have threads cooperating with the coil since the coil would tigthen and the friction forces increase if one tries to screw the knob off.
  • the knob would be self-locking.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Description

Technical field
This invention relates to a method of making up a curtain rod (13) by screwing wire-coil knobs (11) onto cylindrical end portions (15) of the rod (13). It also relates to a curtain rod assembly comprising a cylindrical rod and wire-coil end knobs with cylindrical wire-coil portions mounted on the cylindrical end portions of the rod,
Background art
GB-A-517899 describes a curtain rod with threaded ends and tension springs screwed onto the rod ends. The springs have loops at their ends for attachment to the window frame and the springs permit for a length adjustment.
Object of invention
It is an object of the invention to make possible the simple mounting and dismounting of decorative and non-expensive wire knobs on a curtain rod.
This object is fulfilled in principle in that the end portions (15) of the rod are unthreaded and the inner diameter of the portions (12) of the knobs (11) screwed onto the rod is chosen slightly smaller than the diameter of the end portions of the rod so that the knobs are held by friction on the rod. The invention has thereby been given the characteristics defined in the claims.
Description of a preferred embodiment
The figure shows a knob 11 and a part of a curtain rod 13. The knob 11 is made of a wire that is coiled. The wire should be comparatively stiff and springy. In a coiling machine, the coil can be given almost any desirable decorative form and the machine set time is short. Thus, various knobs can be made in a single inexpensive machine and new forms can be introduced without any delay. One end, the end 12, of the knob 11 is substantially cylindrical. This end 12 forms thus a thread that can be screwed onto a substantially cylindrical end 15 of a curtain rod 13. The curtain rod can for example be a metal tube or a wooden rod and the knobs form decorative ends of the curtan rod.The end 15 of the rod has no threads and its diameter is slightly larger than the inner diameter of the coil end 12. The coil end expands when it is screwed onto the end 15 of the rod and it becomes stuck by its spring action and the resulting friction forces. One can easily remove the knob by turning it in the same direction as when it was mounted and simultaneously pulling it off. It would not be possible to screw the knob off if the rod end 13 would have threads cooperating with the coil since the coil would tigthen and the friction forces increase if one tries to screw the knob off.The knob would be self-locking.

Claims (2)

  1. A method of making up a curtain rod (13) by screwing wire-coil knobs (11) onto cylindrical end portions (15) of the rod (13), characterised in that the end portions (15) of the rod are unthreaded and the inner diameter of the portions (12) of the knobs (11) screwed onto the rod is chosen slightly smaller than the diameter of the end portions of the rod so that the knobs are held by friction on the rod.
  2. A curtain rod assembly comprising a cylindrical rod (13) and wire-coil end knobs (11) with mounting portions (12) adapted to and mounted on the cylindrical end portions (15) of the rod, characterised in that said end portions (15) of the rod are unthreaded, and, before the end knobs (11) were mounted, the inner diameter of their mounting portions (12) was slightly smaller than the outer diameter of the rod end portions so that the wire knobs are held by friction on the rod.
EP95929300A 1994-08-17 1995-08-17 A method to fix a wire knob to a support, a wire knob, and the use of a wire knob Expired - Lifetime EP0776173B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9402737A SE9402737L (en) 1994-08-17 1994-08-17 Bud
SE9402737 1994-08-17
PCT/SE1995/000946 WO1996004828A1 (en) 1994-08-17 1995-08-17 A method to fix a wire knob to a support, a wire knob, and the use of a wire knob

Publications (2)

Publication Number Publication Date
EP0776173A1 EP0776173A1 (en) 1997-06-04
EP0776173B1 true EP0776173B1 (en) 2001-11-28

Family

ID=20394936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95929300A Expired - Lifetime EP0776173B1 (en) 1994-08-17 1995-08-17 A method to fix a wire knob to a support, a wire knob, and the use of a wire knob

Country Status (5)

Country Link
EP (1) EP0776173B1 (en)
AU (1) AU3269595A (en)
DE (1) DE69524228T2 (en)
SE (1) SE9402737L (en)
WO (1) WO1996004828A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9701505L (en) * 1997-04-21 1998-10-22 Lars Wendel Device at an antenna

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1099033A (en) * 1913-05-28 1914-06-02 Enos Cornelius Frisk Utensil-knob.
GB194018A (en) * 1921-12-14 1923-03-08 John Ashton Improvements in means for attaching wires, cables, or the like to transverse rods or the like
US1657253A (en) * 1924-09-10 1928-01-24 Gen Electric Connecter for electric conductors
GB517899A (en) * 1938-08-24 1940-02-12 Joseph Barros Improvements in and relating to curtain suspending or like fittings
US2805590A (en) * 1956-05-03 1957-09-10 Robert C Nelson Implement for installing or extracting electronic tubes or for other purposes
IT216316Z2 (en) * 1989-02-21 1991-07-17 Bbs Spa IMPELLER FOR ASPIRATING DEVICES, THE HUB OF WHICH IS TIGHTENED TO THE RELATIVE SUPPORT PIN THROUGH A CYLINDRICAL HELICAL SPRING

Also Published As

Publication number Publication date
EP0776173A1 (en) 1997-06-04
DE69524228D1 (en) 2002-01-10
SE9402737D0 (en) 1994-08-17
SE9402737L (en) 1996-02-18
WO1996004828A1 (en) 1996-02-22
AU3269595A (en) 1996-03-07
DE69524228T2 (en) 2002-07-18

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