GB1303745A - - Google Patents

Info

Publication number
GB1303745A
GB1303745A GB1303745DA GB1303745A GB 1303745 A GB1303745 A GB 1303745A GB 1303745D A GB1303745D A GB 1303745DA GB 1303745 A GB1303745 A GB 1303745A
Authority
GB
United Kingdom
Prior art keywords
shaft
plate
roller
june
bolton
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
Application number
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 filed Critical
Publication of GB1303745A publication Critical patent/GB1303745A/en
Expired 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/60—Spring drums operated only by closure members

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

1303745 Roller blinds JOHN BOOTH & SONS (BOLTON) Ltd 14 June 1971 [16 June 1970] 29073/70 Heading A4B [Also in Division E1] A roller blind apparatus comprises a torsion spring 18 connected between a shaft 13 and a roller 15 of the shaft, and a plate 22 fixed on the shaft and releasably securable in selected angular positions. The plate is secured by a peg which is engaged in a selected radial tube 23 on the plate and then bolted to the end plate 12 of a shutter box supporting the shaft.
GB1303745D 1970-06-16 1970-06-16 Expired GB1303745A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2907370 1970-06-16

Publications (1)

Publication Number Publication Date
GB1303745A true GB1303745A (en) 1973-01-17

Family

ID=10285753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1303745D Expired GB1303745A (en) 1970-06-16 1970-06-16

Country Status (1)

Country Link
GB (1) GB1303745A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172327A (en) * 1985-03-12 1986-09-17 Bolton Brady Ltd Roller shutter
GB2405661A (en) * 2003-09-06 2005-03-09 Levolux At Ltd Assisted roller blind mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172327A (en) * 1985-03-12 1986-09-17 Bolton Brady Ltd Roller shutter
GB2405661A (en) * 2003-09-06 2005-03-09 Levolux At Ltd Assisted roller blind mechanism

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee