FR664733A - Improvements to electrical switches and circuit breakers - Google Patents

Improvements to electrical switches and circuit breakers

Info

Publication number
FR664733A
FR664733A FR664733DA FR664733A FR 664733 A FR664733 A FR 664733A FR 664733D A FR664733D A FR 664733DA FR 664733 A FR664733 A FR 664733A
Authority
FR
France
Prior art keywords
circuit breakers
electrical switches
switches
electrical
breakers
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
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR664733A publication Critical patent/FR664733A/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
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
FR664733D 1927-11-05 1928-11-05 Improvements to electrical switches and circuit breakers Expired FR664733A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US231359A US1734912A (en) 1927-11-05 1927-11-05 Electric switch

Publications (1)

Publication Number Publication Date
FR664733A true FR664733A (en) 1929-09-06

Family

ID=22868898

Family Applications (1)

Application Number Title Priority Date Filing Date
FR664733D Expired FR664733A (en) 1927-11-05 1928-11-05 Improvements to electrical switches and circuit breakers

Country Status (2)

Country Link
US (1) US1734912A (en)
FR (1) FR664733A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2653488A (en) * 1947-04-30 1953-09-29 Westinghouse Electric Corp Switch

Also Published As

Publication number Publication date
US1734912A (en) 1929-11-05

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