GB2450991B - Improvements in or relating to closure retention and release mechanisms - Google Patents

Improvements in or relating to closure retention and release mechanisms

Info

Publication number
GB2450991B
GB2450991B GB0812581A GB0812581A GB2450991B GB 2450991 B GB2450991 B GB 2450991B GB 0812581 A GB0812581 A GB 0812581A GB 0812581 A GB0812581 A GB 0812581A GB 2450991 B GB2450991 B GB 2450991B
Authority
GB
United Kingdom
Prior art keywords
relating
release mechanisms
closure retention
retention
closure
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.)
Active
Application number
GB0812581A
Other versions
GB0812581D0 (en
GB2450991A (en
Inventor
Nicholas Roger Charles Goddard
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.)
Stephenson Gobin Ltd
Original Assignee
Stephenson Gobin 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 Stephenson Gobin Ltd filed Critical Stephenson Gobin Ltd
Publication of GB0812581D0 publication Critical patent/GB0812581D0/en
Publication of GB2450991A publication Critical patent/GB2450991A/en
Application granted granted Critical
Publication of GB2450991B publication Critical patent/GB2450991B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E05C17/56—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 magnetic or electromagnetic attraction or operated by electric or electromagnetic means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0252—PM holding devices
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0015—Output elements of actuators
    • E05B2047/0017—Output elements of actuators with rotary motion
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/002—Geared transmissions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/04—Means for releasing the attractive force
GB0812581A 2007-07-09 2008-07-09 Improvements in or relating to closure retention and release mechanisms Active GB2450991B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0713293A GB0713293D0 (en) 2007-07-09 2007-07-09 Improvements in or relating to closure retention and release mechanisms

Publications (3)

Publication Number Publication Date
GB0812581D0 GB0812581D0 (en) 2008-08-13
GB2450991A GB2450991A (en) 2009-01-14
GB2450991B true GB2450991B (en) 2012-10-03

Family

ID=38440641

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0713293A Ceased GB0713293D0 (en) 2007-07-09 2007-07-09 Improvements in or relating to closure retention and release mechanisms
GB0812581A Active GB2450991B (en) 2007-07-09 2008-07-09 Improvements in or relating to closure retention and release mechanisms

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0713293A Ceased GB0713293D0 (en) 2007-07-09 2007-07-09 Improvements in or relating to closure retention and release mechanisms

Country Status (1)

Country Link
GB (2) GB0713293D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108222719A (en) * 2017-12-21 2018-06-29 广东汇泰龙科技有限公司 A kind of intelligence system and its charging method to be charged using magnetic

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015102924A1 (en) 2015-03-02 2016-09-08 Dorma Deutschland Gmbh Locking arrangement for a door
CN111577039B (en) * 2020-05-12 2022-01-28 临沂泰德信门业有限公司 Mute door stopper

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275040A (en) * 1975-12-19 1977-06-23 Ogura Jewel Industry Co Ltd Automatic unlocking device of fireproof door
JPS53105043A (en) * 1977-02-24 1978-09-12 Katsumi Toda Door retaining apparatus employing rotary permanent magnet
JPS53105044A (en) * 1977-02-24 1978-09-12 Katsumi Toda Door retaining apparatus emplying rotary permanent magnet
EP0676520A2 (en) * 1994-04-04 1995-10-11 Von Duprin, Inc. Electromagnetic door holder system
DE102005013215A1 (en) * 2005-03-20 2006-09-21 Martin Reuter Self contained release for fire door has a permanent magnet grip with battery powered sliding release powered by an electromagnet
GB2446345A (en) * 2005-11-16 2008-08-06 Fireco Ltd Apparatus for actuating a safety device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275040A (en) * 1975-12-19 1977-06-23 Ogura Jewel Industry Co Ltd Automatic unlocking device of fireproof door
JPS53105043A (en) * 1977-02-24 1978-09-12 Katsumi Toda Door retaining apparatus employing rotary permanent magnet
JPS53105044A (en) * 1977-02-24 1978-09-12 Katsumi Toda Door retaining apparatus emplying rotary permanent magnet
EP0676520A2 (en) * 1994-04-04 1995-10-11 Von Duprin, Inc. Electromagnetic door holder system
DE102005013215A1 (en) * 2005-03-20 2006-09-21 Martin Reuter Self contained release for fire door has a permanent magnet grip with battery powered sliding release powered by an electromagnet
GB2446345A (en) * 2005-11-16 2008-08-06 Fireco Ltd Apparatus for actuating a safety device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108222719A (en) * 2017-12-21 2018-06-29 广东汇泰龙科技有限公司 A kind of intelligence system and its charging method to be charged using magnetic
CN108222719B (en) * 2017-12-21 2019-12-17 广东汇泰龙科技有限公司 Intelligent system utilizing magnetic attraction to charge and charging method thereof

Also Published As

Publication number Publication date
GB0812581D0 (en) 2008-08-13
GB0713293D0 (en) 2007-08-15
GB2450991A (en) 2009-01-14

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