GB2261700B - A lock having a dead bolt - Google Patents

A lock having a dead bolt

Info

Publication number
GB2261700B
GB2261700B GB9223278A GB9223278A GB2261700B GB 2261700 B GB2261700 B GB 2261700B GB 9223278 A GB9223278 A GB 9223278A GB 9223278 A GB9223278 A GB 9223278A GB 2261700 B GB2261700 B GB 2261700B
Authority
GB
United Kingdom
Prior art keywords
lock
dead bolt
dead
bolt
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 - Lifetime
Application number
GB9223278A
Other versions
GB2261700A (en
GB9223278D0 (en
Inventor
Brian E Cowper
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.)
Banham Patent Locks Ltd
Original Assignee
Banham Patent Locks Ltd
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 Banham Patent Locks Ltd filed Critical Banham Patent Locks Ltd
Publication of GB9223278D0 publication Critical patent/GB9223278D0/en
Publication of GB2261700A publication Critical patent/GB2261700A/en
Application granted granted Critical
Publication of GB2261700B publication Critical patent/GB2261700B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B21/00—Locks with lamelliform tumblers which are not set by the insertion of the key and in which the tumblers do not follow the movement of the bolt e.g. Chubb-locks
    • 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
    • E05B17/2084—Means to prevent forced opening by attack, tampering or jimmying
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/10—Bolts of locks or night latches
GB9223278A 1991-11-20 1992-11-06 A lock having a dead bolt Expired - Lifetime GB2261700B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919124561A GB9124561D0 (en) 1991-11-20 1991-11-20 Locks

Publications (3)

Publication Number Publication Date
GB9223278D0 GB9223278D0 (en) 1992-12-23
GB2261700A GB2261700A (en) 1993-05-26
GB2261700B true GB2261700B (en) 1994-11-16

Family

ID=10704871

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919124561A Pending GB9124561D0 (en) 1991-11-20 1991-11-20 Locks
GB9223278A Expired - Lifetime GB2261700B (en) 1991-11-20 1992-11-06 A lock having a dead bolt

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919124561A Pending GB9124561D0 (en) 1991-11-20 1991-11-20 Locks

Country Status (1)

Country Link
GB (2) GB9124561D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19505627A1 (en) * 1995-02-18 1996-08-22 Mauer Gmbh Double bit lock
GB9510621D0 (en) * 1995-05-25 1995-07-19 Parkes Josiah & Sons Ltd Locks
HUP9900164A2 (en) * 1999-01-25 2002-03-28 János Fehérdi Improved lock
GB0005756D0 (en) * 2000-03-11 2000-05-03 Banham Patent Locks Ltd Lock

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB994965A (en) * 1960-12-08 1965-06-10 James Gibbons Ltd Improvements in key-operated lever locks
GB2230551A (en) * 1989-04-07 1990-10-24 J E Reynolds & Company Ltd Latch bolt assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB994965A (en) * 1960-12-08 1965-06-10 James Gibbons Ltd Improvements in key-operated lever locks
GB2230551A (en) * 1989-04-07 1990-10-24 J E Reynolds & Company Ltd Latch bolt assembly

Also Published As

Publication number Publication date
GB2261700A (en) 1993-05-26
GB9223278D0 (en) 1992-12-23
GB9124561D0 (en) 1992-01-08

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Legal Events

Date Code Title Description
727 Application made for amendment of specification (sect. 27/1977)
727A Application for amendment of specification now open to opposition (sect. 27/1977)
727B Case decided by the comptroller ** specification amended (sect. 27/1977)
SP Amendment (slips) printed
PE20 Patent expired after termination of 20 years

Expiry date: 20121105