GB312074A - Improvements in electric circuit breakers - Google Patents

Improvements in electric circuit breakers

Info

Publication number
GB312074A
GB312074A GB15219/29A GB1521929A GB312074A GB 312074 A GB312074 A GB 312074A GB 15219/29 A GB15219/29 A GB 15219/29A GB 1521929 A GB1521929 A GB 1521929A GB 312074 A GB312074 A GB 312074A
Authority
GB
United Kingdom
Prior art keywords
electric circuit
circuit breakers
breakers
electric
circuit
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
GB15219/29A
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries 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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Publication of GB312074A publication Critical patent/GB312074A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
GB15219/29A 1928-05-19 1929-05-15 Improvements in electric circuit breakers Expired GB312074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US278938A US1764369A (en) 1928-05-19 1928-05-19 Circuit interrupter

Publications (1)

Publication Number Publication Date
GB312074A true GB312074A (en) 1930-05-01

Family

ID=23067027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15219/29A Expired GB312074A (en) 1928-05-19 1929-05-15 Improvements in electric circuit breakers

Country Status (2)

Country Link
US (1) US1764369A (en)
GB (1) GB312074A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732453A (en) * 1956-01-24 talbot
US3118032A (en) * 1960-04-26 1964-01-14 Gen Electric Bypass disconnect type switch
US3263042A (en) * 1963-02-18 1966-07-26 Westinghouse Electric Corp Electric control device with electromagnetic contact-biasing means
US3225160A (en) * 1963-10-25 1965-12-21 Gen Electric Electric switch
GB201200331D0 (en) 2012-01-09 2012-02-22 Dialight Europ Ltd Improvements in switching contactors (II)
US9536691B1 (en) * 2014-07-10 2017-01-03 Google Inc. Axial relay
GB2563553B (en) * 2016-04-01 2021-11-03 Johnson Electric Int Ag Movable contact arm set for switching contactor

Also Published As

Publication number Publication date
US1764369A (en) 1930-06-17

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