GB495989A - Improvements in or relating to electromagnetically operated plungers - Google Patents

Improvements in or relating to electromagnetically operated plungers

Info

Publication number
GB495989A
GB495989A GB2407937A GB2407937A GB495989A GB 495989 A GB495989 A GB 495989A GB 2407937 A GB2407937 A GB 2407937A GB 2407937 A GB2407937 A GB 2407937A GB 495989 A GB495989 A GB 495989A
Authority
GB
United Kingdom
Prior art keywords
plunger
tube
balls
relating
guide
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
GB2407937A
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.)
LONDON PASSENGER TRANSP BOARD
Original Assignee
LONDON PASSENGER TRANSP BOARD
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 LONDON PASSENGER TRANSP BOARD filed Critical LONDON PASSENGER TRANSP BOARD
Priority to GB2407937A priority Critical patent/GB495989A/en
Publication of GB495989A publication Critical patent/GB495989A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/12—Armature is movable between two limit positions of rest and is moved in both directions due to the energisation of one or the other of two electromagnets without the storage of energy to effect the return movement

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)

Abstract

495,989. Electromagnets ; locking rods. PAYNE, J. V., and LONDON PASSENGER TRANSPORT BOARD. Sept. 3, 1937, No. 24079. [Class 35] [Also in Group XXIV] A remotely-controlled member such as a plunger movable along a guide or tube and actuated electromagnetically in one or both directions, is comprised of at least two parts 1, 2 normally separated by gravity or a spring 11, such separation serving to actuate means for restraining movement of the plunger. The restraint is provided by balls or wedges 12 which are forced by a tapered collar 6 into contact with the bore of the guide tube 3. The plunger portions 1, 2 are magnetic so that when the coils 13, 14 are appropriately energized for actuation of the device, the portions approach one another and allow the balls 12 to move away from the tube 3. Movement in one direction may be effected mechanically.
GB2407937A 1937-09-03 1937-09-03 Improvements in or relating to electromagnetically operated plungers Expired GB495989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2407937A GB495989A (en) 1937-09-03 1937-09-03 Improvements in or relating to electromagnetically operated plungers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2407937A GB495989A (en) 1937-09-03 1937-09-03 Improvements in or relating to electromagnetically operated plungers

Publications (1)

Publication Number Publication Date
GB495989A true GB495989A (en) 1938-11-23

Family

ID=10206024

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2407937A Expired GB495989A (en) 1937-09-03 1937-09-03 Improvements in or relating to electromagnetically operated plungers

Country Status (1)

Country Link
GB (1) GB495989A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182710A (en) * 1985-10-24 1987-05-20 Bauer Kaba Ag Lock apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182710A (en) * 1985-10-24 1987-05-20 Bauer Kaba Ag Lock apparatus
FR2595397A1 (en) * 1985-10-24 1987-09-11 Bauer Kaba Ag ELECTROMAGNETIC LOCKING DEVICE ON A BARREL FOR A MECHANICAL / ELECTRONIC LOCKING SYSTEM
AU583661B2 (en) * 1985-10-24 1989-05-04 Kaba Schliesssysteme Ag Apparatus for electromagnetic locking on a lock cylinder for a mechanical/electronic locking system
GB2182710B (en) * 1985-10-24 1989-10-25 Bauer Kaba Ag Improvements in and relating to locks

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