GB319018A - Improvements in and relating to electric switch operating mechanism - Google Patents

Improvements in and relating to electric switch operating mechanism

Info

Publication number
GB319018A
GB319018A GB27977/29A GB2797729A GB319018A GB 319018 A GB319018 A GB 319018A GB 27977/29 A GB27977/29 A GB 27977/29A GB 2797729 A GB2797729 A GB 2797729A GB 319018 A GB319018 A GB 319018A
Authority
GB
United Kingdom
Prior art keywords
relating
operating mechanism
electric switch
switch operating
electric
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
GB27977/29A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB319018A publication Critical patent/GB319018A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
GB27977/29A 1928-09-14 1929-09-14 Improvements in and relating to electric switch operating mechanism Expired GB319018A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US306073A US1781561A (en) 1928-09-14 1928-09-14 Electric-switch-operating mechanism

Publications (1)

Publication Number Publication Date
GB319018A true GB319018A (en) 1930-12-11

Family

ID=23183666

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27977/29A Expired GB319018A (en) 1928-09-14 1929-09-14 Improvements in and relating to electric switch operating mechanism

Country Status (2)

Country Link
US (1) US1781561A (en)
GB (1) GB319018A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443452A (en) * 1943-11-17 1948-06-15 Gen Electric Switching means
US3028527A (en) * 1958-03-17 1962-04-03 Ite Circuit Breaker Ltd Anti-pump control circuit for motor closed circuit breaker

Also Published As

Publication number Publication date
US1781561A (en) 1930-11-11

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