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GB916301A - Improvements in snap action mechanisms for circuit breakers - Google Patents

Improvements in snap action mechanisms for circuit breakers

Info

Publication number
GB916301A
GB916301A GB40761A GB40761A GB916301A GB 916301 A GB916301 A GB 916301A GB 40761 A GB40761 A GB 40761A GB 40761 A GB40761 A GB 40761A GB 916301 A GB916301 A GB 916301A
Authority
GB
United Kingdom
Prior art keywords
lever
circuit breakers
deadcentre
pusher
link
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
GB40761A
Inventor
Bo Wennersten
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.)
ELEKTROSKANDIA AB
Original Assignee
ELEKTROSKANDIA AB
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 ELEKTROSKANDIA AB filed Critical ELEKTROSKANDIA AB
Priority to GB40761A priority Critical patent/GB916301A/en
Publication of GB916301A publication Critical patent/GB916301A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/18—Energy stored by deformation of elastic members by flexing of blade springs

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Breakers (AREA)

Abstract

916,301. Snap-action switches. ELEKTROSKANDIA A.B. Jan. 4, 1961, No. 407/61. Class 38 (5). A contact-actuating pin 1 is movable in a groove 2 between an open position 3 and a closed position 4 by a link 7 and a lever 5 via a compression-spring 11 which may be of the coiled type. In the open position, lever 5 starts in the X-X position and clockwise movement thereof eventually moves the point 12 over dead-centre and point 9, link 7 and pin 1 are moved to the right. Just before the deadcentre condition, a pusher 18 on lever 5 extends a toggle 13, 14 to help the mechanism over deadcentre and to provide positive actuation if the spring fails. A pusher 19 acts similarly in the reverse direction. A practical embodiment is also described (Figs. 3, 4, not shown).
GB40761A 1961-01-04 1961-01-04 Improvements in snap action mechanisms for circuit breakers Expired GB916301A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB40761A GB916301A (en) 1961-01-04 1961-01-04 Improvements in snap action mechanisms for circuit breakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB40761A GB916301A (en) 1961-01-04 1961-01-04 Improvements in snap action mechanisms for circuit breakers

Publications (1)

Publication Number Publication Date
GB916301A true GB916301A (en) 1963-01-23

Family

ID=9703841

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40761A Expired GB916301A (en) 1961-01-04 1961-01-04 Improvements in snap action mechanisms for circuit breakers

Country Status (1)

Country Link
GB (1) GB916301A (en)

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