GB594693A - Improvements in or relating to guards for door knobs and latches - Google Patents

Improvements in or relating to guards for door knobs and latches

Info

Publication number
GB594693A
GB594693A GB2089045A GB2089045A GB594693A GB 594693 A GB594693 A GB 594693A GB 2089045 A GB2089045 A GB 2089045A GB 2089045 A GB2089045 A GB 2089045A GB 594693 A GB594693 A GB 594693A
Authority
GB
United Kingdom
Prior art keywords
plate
knob
cover
slot
latch
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
GB2089045A
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.)
GEORGE DANIEL LISTER
Original Assignee
GEORGE DANIEL LISTER
Filing date
Publication date
Application filed by GEORGE DANIEL LISTER filed Critical GEORGE DANIEL LISTER
Publication of GB594693A publication Critical patent/GB594693A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00Devices preventing the key or the handle or both from being used
    • E05B13/001Covers preventing access to handles or keys

Abstract

594,693. Door-knob guards. LISTER, G. D. Aug. 14, 1945, No. 20890. [Class 44] In a guard to prevent unauthorized manipulation of the knob of a doorlatch, and comprising a trough - shaped plate a fitting over the latch casing h and around the knob c, to which plate a boxlike knob cover n is detachably secured, as described in Specification 435,274, the side of plate a remote from the latch-bolt (not shown) is closed by a plate l, which may be integral with plate a to prevent plate a being prised from the door by an inserted chisel or other tool. The cover n has a tongue s engageable in a slot t (or n) in plate a, the other side of the cover having a locking device v engageable in the other slot. An upstanding flanged plate member p may be secured over the attachment flange d at either side of member a, according to whether the device is applied to a right-hand or lefthand latch, member p having a slot r in which the tongue s may be engaged to support cover n when out of use, as in the Specification referred to.
GB2089045A 1945-08-14 Improvements in or relating to guards for door knobs and latches Expired GB594693A (en)

Publications (1)

Publication Number Publication Date
GB594693A true GB594693A (en) 1947-11-17

Family

ID=1735787

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2089045A Expired GB594693A (en) 1945-08-14 Improvements in or relating to guards for door knobs and latches

Country Status (1)

Country Link
GB (1) GB594693A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084965A (en) * 1960-03-28 1963-04-09 Michael P Carosello Door attachment
US4370873A (en) * 1980-02-28 1983-02-01 Edmunds Gregory A Latch mechanism and vandal resistant housing
GB2174748A (en) * 1985-05-10 1986-11-12 Francis Morrison Lock security cover
US5970756A (en) * 1997-04-03 1999-10-26 Federal Security Systems, Inc. Dead bolt lock assembly cover
GB2342684A (en) * 1998-10-12 2000-04-19 Paul Hynam Lockable lock cover

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084965A (en) * 1960-03-28 1963-04-09 Michael P Carosello Door attachment
US4370873A (en) * 1980-02-28 1983-02-01 Edmunds Gregory A Latch mechanism and vandal resistant housing
GB2174748A (en) * 1985-05-10 1986-11-12 Francis Morrison Lock security cover
US5970756A (en) * 1997-04-03 1999-10-26 Federal Security Systems, Inc. Dead bolt lock assembly cover
GB2342684A (en) * 1998-10-12 2000-04-19 Paul Hynam Lockable lock cover
GB2342684B (en) * 1998-10-12 2000-10-04 Paul Hynam Locking door lock cover

Similar Documents

Publication Publication Date Title
GB605567A (en) Improvements in or relating to attaching device
GB594693A (en) Improvements in or relating to guards for door knobs and latches
GB992239A (en) Door chain lock
GB619653A (en) Improvements relating to guards for door and like locks
GB783438A (en) A safety device for use with locks and latches
GB803276A (en) Improvements in or relating to padlock bolts
GB372457A (en) Improvements in or relating to safety devices for night latch and other door locks
GB480009A (en) Improvements in or relating to latch or combined latch and lock fastenings for doors
GB994815A (en) Door lock
GB690794A (en) Improvements in doors for safes and the like
GB621663A (en) Improvements in and relating to door and like locks
GB302753A (en) A security locking device for automobile body door handles
GB563738A (en) A new and improved guard for spring latches and similar locks for doors
GB610889A (en) An improved sash or window lock
GB658333A (en) Clasp
GB922901A (en) Improvements relating to guards for locks
GB812567A (en) Improvements relating to hook bolt cabinet locks
GB365320A (en) Improvements in guards for door knobs, latches and the like
GB594692A (en) Improvements in or relating to safety device for locks
GB382412A (en) Improvements in or relating to securing means for doors, windows and the like
GB585774A (en) Improvements relating to door or like fastenings
GB685004A (en) Improvements in or relating to fastening devices for windows, doors and like closure members
GB644529A (en) Improvements relating to hasp fastenings for doors or gates and like fastenings
GB621443A (en) Improvements in locks and latches
GB190404757A (en) Improved Lock.