GB491285A - Safety device for use with night latches and like door locks - Google Patents

Safety device for use with night latches and like door locks

Info

Publication number
GB491285A
GB491285A GB3520238A GB3520238A GB491285A GB 491285 A GB491285 A GB 491285A GB 3520238 A GB3520238 A GB 3520238A GB 3520238 A GB3520238 A GB 3520238A GB 491285 A GB491285 A GB 491285A
Authority
GB
United Kingdom
Prior art keywords
safety device
door locks
latches
night
night latches
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
GB3520238A
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.)
HENRY WILLIAM THOMAS MARCHANT
Original Assignee
HENRY WILLIAM THOMAS MARCHANT
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 HENRY WILLIAM THOMAS MARCHANT filed Critical HENRY WILLIAM THOMAS MARCHANT
Priority to GB3520238A priority Critical patent/GB491285A/en
Publication of GB491285A publication Critical patent/GB491285A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
    • E05B17/2003—Preventing opening by insertion of a tool, e.g. flexible, between door and jamb to withdraw the bolt

Abstract

491,285. Night-latches. MARCHANT, H. W. T. Dec. 20, 1937, No. 35202. [Class 44] A tee- or angle-shaped plate B is secured to a door post, as shown in cross-section, to prevent the insertion of a metal strip in an endeavour to force back the latch bolt T.
GB3520238A 1937-12-20 1937-12-20 Safety device for use with night latches and like door locks Expired GB491285A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3520238A GB491285A (en) 1937-12-20 1937-12-20 Safety device for use with night latches and like door locks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3520238A GB491285A (en) 1937-12-20 1937-12-20 Safety device for use with night latches and like door locks

Publications (1)

Publication Number Publication Date
GB491285A true GB491285A (en) 1938-08-30

Family

ID=10375026

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3520238A Expired GB491285A (en) 1937-12-20 1937-12-20 Safety device for use with night latches and like door locks

Country Status (1)

Country Link
GB (1) GB491285A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484024A (en) * 1944-06-09 1949-10-11 Waldo L Garberding Latch bolt guard
US3392999A (en) * 1966-11-17 1968-07-16 Eugene L. Thompson Reversible lock guard for in-swinging doors
US4178027A (en) * 1978-07-31 1979-12-11 Marcel Charron Door lock guard
GB2217371A (en) * 1988-03-25 1989-10-25 Frank William Evans Door lock guard
GB2197677B (en) * 1986-11-18 1990-10-24 Kilhale Ltd A reinforcing device
ES2246644A1 (en) * 2003-06-16 2006-02-16 Jose Maria Tramullas Collado Anti-intrusion system for locksmith shop, has additional piece added in slide, projections pressed against door leaf, and card or plastic lamina acting on slide and arranged in space for opening of door

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484024A (en) * 1944-06-09 1949-10-11 Waldo L Garberding Latch bolt guard
US3392999A (en) * 1966-11-17 1968-07-16 Eugene L. Thompson Reversible lock guard for in-swinging doors
US4178027A (en) * 1978-07-31 1979-12-11 Marcel Charron Door lock guard
GB2197677B (en) * 1986-11-18 1990-10-24 Kilhale Ltd A reinforcing device
GB2217371A (en) * 1988-03-25 1989-10-25 Frank William Evans Door lock guard
ES2246644A1 (en) * 2003-06-16 2006-02-16 Jose Maria Tramullas Collado Anti-intrusion system for locksmith shop, has additional piece added in slide, projections pressed against door leaf, and card or plastic lamina acting on slide and arranged in space for opening of door

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