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GB2139281A - A lock having a safety turning knob - Google Patents

A lock having a safety turning knob

Info

Publication number
GB2139281A
GB2139281A GB08417390A GB8417390A GB2139281A GB 2139281 A GB2139281 A GB 2139281A GB 08417390 A GB08417390 A GB 08417390A GB 8417390 A GB8417390 A GB 8417390A GB 2139281 A GB2139281 A GB 2139281A
Authority
GB
United Kingdom
Prior art keywords
driver
knob
lock
rotatable member
turning 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.)
Withdrawn
Application number
GB08417390A
Other versions
GB8417390D0 (en
Inventor
Sigurd Walter Bengtsson
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.)
Fixfabriken AB
Original Assignee
Fixfabriken AB
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 Fixfabriken AB filed Critical Fixfabriken AB
Publication of GB8417390D0 publication Critical patent/GB8417390D0/en
Publication of GB2139281A publication Critical patent/GB2139281A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Lock And Its Accessories (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Soil Working Implements (AREA)
  • Catching Or Destruction (AREA)

Abstract

In order to normally permit the unlocking of the door from its inside by means of a knob, while occasionally making an un-authorized opening impossible, the knob (19) is mounted upon a driver (20), which may be axially displaced into and out of engagement, respectively, with a rotatable member (14) in the lock. When the driver is retracted from the rotatable member, a radially directed peg (25) will be introduced into a groove (26) in a washer (24), in which the driver is journalled, which prevents rotation of the driver and the knob. The driver is provided with peripheral grooves (21, 22), which in co-operation with a spring loaded ball (23) form end portion stops for the driver. One (22) of these grooves is deeper than the other, and defines a breaking indication. An un-authorized activity at the knob will destroy the driver, but leaves the lock unharmed.
GB08417390A 1982-11-19 1983-11-18 A lock having a safety turning knob Withdrawn GB2139281A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8206604A SE440808B (en) 1982-11-19 1982-11-19 LAS
PCT/SE1983/000406 WO1984002157A1 (en) 1982-11-19 1983-11-18 A lock having a safety turning knob

Publications (2)

Publication Number Publication Date
GB8417390D0 GB8417390D0 (en) 1984-08-08
GB2139281A true GB2139281A (en) 1984-11-07

Family

ID=20348666

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08417390A Withdrawn GB2139281A (en) 1982-11-19 1983-11-18 A lock having a safety turning knob

Country Status (8)

Country Link
EP (1) EP0125294A1 (en)
DE (1) DE3390356T1 (en)
DK (1) DK332784A (en)
FI (1) FI842887A (en)
GB (1) GB2139281A (en)
NO (1) NO842920L (en)
SE (1) SE440808B (en)
WO (1) WO1984002157A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8825051D0 (en) * 1988-10-26 1988-11-30 Little R E Security device
CA2117996A1 (en) * 1993-10-15 1995-04-16 Richard B. Cohrs Lead-in device for aiding the installation of rim-type lock cylinders
US6912882B1 (en) * 2002-02-12 2005-07-05 Atilano Alonso Door locking system
US7207199B2 (en) * 2003-08-20 2007-04-24 Master Lock Company. Llc Dead locking deadbolt
CN1749515B (en) 2004-09-01 2011-03-09 总锁公司 Dead locking deadbolt

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE211331C (en) *
DE293053C (en) *
US2563985A (en) * 1946-05-31 1951-08-14 Yachzel David Combined latch and lock
US2683053A (en) * 1950-09-01 1954-07-06 Fred J Russell Latch operating means
US3299678A (en) * 1964-07-08 1967-01-24 Illinois Lock Co Lock device for vending machine or the like
US4047408A (en) * 1975-12-08 1977-09-13 Johns Eddie D Lock mechanism
IT1076314B (en) * 1977-01-26 1985-04-27 Giussani Franco LOCK FOR PERFECTED TYPE DOORS
AU522210B2 (en) * 1977-05-20 1982-05-20 Whitco Pty. Ltd. Security lock for sliding doors
DE2748408C2 (en) * 1977-10-28 1986-11-20 Daimler-Benz Ag, 7000 Stuttgart Lock cylinders, in particular for motor vehicles
JPS5712145Y2 (en) * 1978-01-25 1982-03-10

Also Published As

Publication number Publication date
SE8206604D0 (en) 1982-11-19
EP0125294A1 (en) 1984-11-21
GB8417390D0 (en) 1984-08-08
DE3390356T1 (en) 1984-11-29
WO1984002157A1 (en) 1984-06-07
DK332784D0 (en) 1984-07-06
SE8206604L (en) 1984-05-20
SE440808B (en) 1985-08-19
NO842920L (en) 1984-07-17
DK332784A (en) 1984-07-06
FI842887A0 (en) 1984-07-18
FI842887A (en) 1984-07-18

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)