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GB2375794B - Safety chain door lock - Google Patents

Safety chain door lock

Info

Publication number
GB2375794B
GB2375794B GB0112385A GB0112385A GB2375794B GB 2375794 B GB2375794 B GB 2375794B GB 0112385 A GB0112385 A GB 0112385A GB 0112385 A GB0112385 A GB 0112385A GB 2375794 B GB2375794 B GB 2375794B
Authority
GB
United Kingdom
Prior art keywords
door lock
safety chain
chain door
safety
lock
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 - Fee Related
Application number
GB0112385A
Other versions
GB0112385D0 (en
GB2375794A (en
Inventor
Timothy Mark Woolford
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 GB0112385A priority Critical patent/GB2375794B/en
Publication of GB0112385D0 publication Critical patent/GB0112385D0/en
Publication of GB2375794A publication Critical patent/GB2375794A/en
Application granted granted Critical
Publication of GB2375794B publication Critical patent/GB2375794B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
    • E05C17/36—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing comprising a flexible member, e.g. chains
    • E05C17/365—Security chains
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0065—Operating modes; Transformable to different operating modes
    • E05B63/0069—Override systems, e.g. allowing opening from inside without the key, even when locked from outside

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wing Frames And Configurations (AREA)
GB0112385A 2001-05-22 2001-05-22 Safety chain door lock Expired - Fee Related GB2375794B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0112385A GB2375794B (en) 2001-05-22 2001-05-22 Safety chain door lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0112385A GB2375794B (en) 2001-05-22 2001-05-22 Safety chain door lock

Publications (3)

Publication Number Publication Date
GB0112385D0 GB0112385D0 (en) 2001-07-11
GB2375794A GB2375794A (en) 2002-11-27
GB2375794B true GB2375794B (en) 2003-04-30

Family

ID=9915041

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0112385A Expired - Fee Related GB2375794B (en) 2001-05-22 2001-05-22 Safety chain door lock

Country Status (1)

Country Link
GB (1) GB2375794B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111350426A (en) * 2020-04-16 2020-06-30 王洁 Door stopper

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0325455D0 (en) * 2003-10-31 2003-12-03 Banks J & Co Ltd Security device
GB2441176A (en) * 2006-08-25 2008-02-27 Assa Abloy Ltd Door Restrictor
GB2441830A (en) * 2006-09-16 2008-03-19 Robin Jeremy Green Key released door security chain

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3657908A (en) * 1970-06-02 1972-04-25 Taylor Lock Co Chain door lock
GB2149449A (en) * 1983-10-24 1985-06-12 Raymond Frederick Hyde Security latch mechanism
US4577896A (en) * 1982-08-26 1986-03-25 Alois Crepinsek Strike plate and security chain latch
GB2220440A (en) * 1988-07-09 1990-01-10 Frank Noel Mallett Remote release of a door security chain
US5647233A (en) * 1995-09-06 1997-07-15 Chung; Kuan-Chin Door locking mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3657908A (en) * 1970-06-02 1972-04-25 Taylor Lock Co Chain door lock
US4577896A (en) * 1982-08-26 1986-03-25 Alois Crepinsek Strike plate and security chain latch
GB2149449A (en) * 1983-10-24 1985-06-12 Raymond Frederick Hyde Security latch mechanism
GB2220440A (en) * 1988-07-09 1990-01-10 Frank Noel Mallett Remote release of a door security chain
US5647233A (en) * 1995-09-06 1997-07-15 Chung; Kuan-Chin Door locking mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111350426A (en) * 2020-04-16 2020-06-30 王洁 Door stopper

Also Published As

Publication number Publication date
GB0112385D0 (en) 2001-07-11
GB2375794A (en) 2002-11-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050522