GB563738A - A new and improved guard for spring latches and similar locks for doors - Google Patents

A new and improved guard for spring latches and similar locks for doors

Info

Publication number
GB563738A
GB563738A GB709043A GB709043A GB563738A GB 563738 A GB563738 A GB 563738A GB 709043 A GB709043 A GB 709043A GB 709043 A GB709043 A GB 709043A GB 563738 A GB563738 A GB 563738A
Authority
GB
United Kingdom
Prior art keywords
doors
new
spring latches
improved guard
guard
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
GB709043A
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
Priority to GB709043A priority Critical patent/GB563738A/en
Publication of GB563738A publication Critical patent/GB563738A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00—Devices preventing the key or the handle or both from being used
    • E05B13/001—Covers preventing access to handles or keys

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

563,738. Lock-guards. MERNAGH, E. May 5, 1943, No. 7090. [Class 44] A guard, for a door lock d operable by a key from outside the door and by manual rotation of a knob on the inside, comprises a shield a having a recess e which is placed over the knob. A set screw b secures the guard to the knob, preventing rotation. The screw is formed with a hexagonal or other shaped head to be engaged with an appropriate key.
GB709043A 1943-05-05 1943-05-05 A new and improved guard for spring latches and similar locks for doors Expired GB563738A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB709043A GB563738A (en) 1943-05-05 1943-05-05 A new and improved guard for spring latches and similar locks for doors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB709043A GB563738A (en) 1943-05-05 1943-05-05 A new and improved guard for spring latches and similar locks for doors

Publications (1)

Publication Number Publication Date
GB563738A true GB563738A (en) 1944-08-28

Family

ID=9826419

Family Applications (1)

Application Number Title Priority Date Filing Date
GB709043A Expired GB563738A (en) 1943-05-05 1943-05-05 A new and improved guard for spring latches and similar locks for doors

Country Status (1)

Country Link
GB (1) GB563738A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263462A (en) * 1964-03-09 1966-08-02 Suroff Leonard William Locking device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263462A (en) * 1964-03-09 1966-08-02 Suroff Leonard William Locking device

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