GB2220440B - Remote release of a door security chain - Google Patents

Remote release of a door security chain

Info

Publication number
GB2220440B
GB2220440B GB8816381A GB8816381A GB2220440B GB 2220440 B GB2220440 B GB 2220440B GB 8816381 A GB8816381 A GB 8816381A GB 8816381 A GB8816381 A GB 8816381A GB 2220440 B GB2220440 B GB 2220440B
Authority
GB
United Kingdom
Prior art keywords
door security
remote release
security chain
chain
remote
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
GB8816381A
Other versions
GB8816381D0 (en
GB2220440A (en
Inventor
Frank Noel Mallett
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 GB8816381A priority Critical patent/GB2220440B/en
Publication of GB8816381D0 publication Critical patent/GB8816381D0/en
Publication of GB2220440A publication Critical patent/GB2220440A/en
Application granted granted Critical
Publication of GB2220440B publication Critical patent/GB2220440B/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
GB8816381A 1988-07-09 1988-07-09 Remote release of a door security chain Expired - Lifetime GB2220440B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8816381A GB2220440B (en) 1988-07-09 1988-07-09 Remote release of a door security chain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8816381A GB2220440B (en) 1988-07-09 1988-07-09 Remote release of a door security chain

Publications (3)

Publication Number Publication Date
GB8816381D0 GB8816381D0 (en) 1988-08-17
GB2220440A GB2220440A (en) 1990-01-10
GB2220440B true GB2220440B (en) 1991-02-13

Family

ID=10640182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8816381A Expired - Lifetime GB2220440B (en) 1988-07-09 1988-07-09 Remote release of a door security chain

Country Status (1)

Country Link
GB (1) GB2220440B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2272015A (en) * 1992-03-17 1994-05-04 Kgc Ltd Self releasing security chain
GB2334545A (en) * 1998-02-18 1999-08-25 John Dudley Harwood Removable door restraint
GB2375794B (en) * 2001-05-22 2003-04-30 Timothy Mark Woolford Safety chain door lock
GB0325455D0 (en) * 2003-10-31 2003-12-03 Banks J & Co Ltd Security device
GB2414509A (en) * 2004-05-24 2005-11-30 Stuart Rennie Door lock with key-releasable ecurity chain
DE202005017351U1 (en) * 2005-11-03 2007-03-08 Schmidt-Ellinger, Hardy Security system for wall opening e.g. movable wall elements such as door, windows, has locking device which consist of electrically controllable blocking device over which bridging element can be blocked in locking mechanism
GB2441830A (en) * 2006-09-16 2008-03-19 Robin Jeremy Green Key released door security chain
GB2471683B (en) * 2009-07-07 2014-03-19 Robin Green Door lock device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB992239A (en) * 1961-06-28 1965-05-19 Security Hardware Mfg Co Inc Door chain lock
GB995017A (en) * 1961-09-25 1965-06-10 Prec Lock Mfg Company Inc Chain door lock
US3640106A (en) * 1970-10-12 1972-02-08 Wessel Hardware Corp Key-operated chain door-lock construction
US3657908A (en) * 1970-06-02 1972-04-25 Taylor Lock Co Chain door lock
US3705504A (en) * 1971-09-07 1972-12-12 Dewey F Johnson Chain door latch device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB992239A (en) * 1961-06-28 1965-05-19 Security Hardware Mfg Co Inc Door chain lock
GB995017A (en) * 1961-09-25 1965-06-10 Prec Lock Mfg Company Inc Chain door lock
US3657908A (en) * 1970-06-02 1972-04-25 Taylor Lock Co Chain door lock
US3640106A (en) * 1970-10-12 1972-02-08 Wessel Hardware Corp Key-operated chain door-lock construction
US3705504A (en) * 1971-09-07 1972-12-12 Dewey F Johnson Chain door latch device

Also Published As

Publication number Publication date
GB8816381D0 (en) 1988-08-17
GB2220440A (en) 1990-01-10

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Legal Events

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

Effective date: 19950709