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GB278523A - Automatic safety lock for railway passenger carriages or the like - Google Patents

Automatic safety lock for railway passenger carriages or the like

Info

Publication number
GB278523A
GB278523A GB2474726A GB2474726A GB278523A GB 278523 A GB278523 A GB 278523A GB 2474726 A GB2474726 A GB 2474726A GB 2474726 A GB2474726 A GB 2474726A GB 278523 A GB278523 A GB 278523A
Authority
GB
United Kingdom
Prior art keywords
safety lock
automatic safety
railway passenger
passenger carriages
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
Application number
GB2474726A
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 THOMAS WITTS
Original Assignee
HENRY THOMAS WITTS
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 THOMAS WITTS filed Critical HENRY THOMAS WITTS
Priority to GB2474726A priority Critical patent/GB278523A/en
Publication of GB278523A publication Critical patent/GB278523A/en
Expired 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
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
    • E05C19/166—Devices holding the wing by magnetic or electromagnetic attraction electromagnetic
    • E05C19/168—Devices holding the wing by magnetic or electromagnetic attraction electromagnetic a movable bolt being electromagnetically held in the striker by electromagnetic attraction

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Elevator Door Apparatuses (AREA)

Abstract

278,523. Witts, H. T. Oct. 6, 1926. Electromagnets for railway-carriage door locks comprise a coil B in an ebonite tube A and case D mounted in a brass casing E. The soft iron core F is loose and has a copper plug G to prevent the bolt I from sticking. The bolt I is mounted in a brass case H and is tapered at each end, and falls out with the core F should the carriage overturn.
GB2474726A 1926-10-06 1926-10-06 Automatic safety lock for railway passenger carriages or the like Expired GB278523A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2474726A GB278523A (en) 1926-10-06 1926-10-06 Automatic safety lock for railway passenger carriages or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2474726A GB278523A (en) 1926-10-06 1926-10-06 Automatic safety lock for railway passenger carriages or the like

Publications (1)

Publication Number Publication Date
GB278523A true GB278523A (en) 1927-10-13

Family

ID=10216610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2474726A Expired GB278523A (en) 1926-10-06 1926-10-06 Automatic safety lock for railway passenger carriages or the like

Country Status (1)

Country Link
GB (1) GB278523A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497697A (en) * 1947-09-08 1950-02-14 Merrill H Smith Doorstop
DE962806C (en) * 1955-07-17 1957-04-25 Uerdingen Ag Waggonfabrik Sliding doors running outside of the car body, especially for rail vehicles
EP0045197A1 (en) * 1980-07-28 1982-02-03 Bsg (Security) Limited Electromagnetic lock
GB2297998A (en) * 1995-02-18 1996-08-21 Alistair Scott Day Magnetically operated security bolt
DE19701905A1 (en) * 1997-01-22 1998-07-23 Dorma Gmbh & Co Kg Locking mechanism for automatic sliding, folding or telescopic doors
DE19961893A1 (en) * 1999-12-21 2001-07-19 Sascha Manthey Electromagnetic locking and unlocking devices for pivoting door leaves has solenoid magnetic core in frame and U-shaped armature in leaf which is drawn against core when solenoid is energized
WO2005008006A1 (en) * 2003-07-22 2005-01-27 Miller, John Portable door lock
CN106403477A (en) * 2016-10-20 2017-02-15 青岛海尔股份有限公司 Refrigerator door assembly

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497697A (en) * 1947-09-08 1950-02-14 Merrill H Smith Doorstop
DE962806C (en) * 1955-07-17 1957-04-25 Uerdingen Ag Waggonfabrik Sliding doors running outside of the car body, especially for rail vehicles
EP0045197A1 (en) * 1980-07-28 1982-02-03 Bsg (Security) Limited Electromagnetic lock
US4439808A (en) * 1980-07-28 1984-03-27 Bsg (Security) Limited Electromagnetic lock
GB2297998A (en) * 1995-02-18 1996-08-21 Alistair Scott Day Magnetically operated security bolt
DE19701905A1 (en) * 1997-01-22 1998-07-23 Dorma Gmbh & Co Kg Locking mechanism for automatic sliding, folding or telescopic doors
DE19701905C2 (en) * 1997-01-22 1999-07-08 Dorma Gmbh & Co Kg Automatic door
DE19961893A1 (en) * 1999-12-21 2001-07-19 Sascha Manthey Electromagnetic locking and unlocking devices for pivoting door leaves has solenoid magnetic core in frame and U-shaped armature in leaf which is drawn against core when solenoid is energized
DE19961893C2 (en) * 1999-12-21 2002-02-21 Sascha Manthey Device for locking swiveling door leaves in the closed position with an indirect locking system
US6630877B2 (en) 1999-12-21 2003-10-07 Sascha Manthey Electromagnetic closing and opening device for door leaves that can be pivoted
WO2005008006A1 (en) * 2003-07-22 2005-01-27 Miller, John Portable door lock
US7216902B2 (en) 2003-07-22 2007-05-15 Aldo Marra Portable door lock
CN106403477A (en) * 2016-10-20 2017-02-15 青岛海尔股份有限公司 Refrigerator door assembly

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