FR555692A - Improvements to electric switch control mechanisms - Google Patents

Improvements to electric switch control mechanisms

Info

Publication number
FR555692A
FR555692A FR555692DA FR555692A FR 555692 A FR555692 A FR 555692A FR 555692D A FR555692D A FR 555692DA FR 555692 A FR555692 A FR 555692A
Authority
FR
France
Prior art keywords
switch control
electric switch
control mechanisms
mechanisms
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
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 FR555692A publication Critical patent/FR555692A/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
    • 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
    • H01H2001/508—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position with mechanical means to prevent return/reverse movement of movable contact once opening or closing cycle has started
FR555692D 1921-09-07 1922-09-05 Improvements to electric switch control mechanisms Expired FR555692A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US499111A US1441527A (en) 1921-09-07 1921-09-07 Switch-operating mechanism

Publications (1)

Publication Number Publication Date
FR555692A true FR555692A (en) 1923-07-04

Family

ID=10368506

Family Applications (1)

Application Number Title Priority Date Filing Date
FR555692D Expired FR555692A (en) 1921-09-07 1922-09-05 Improvements to electric switch control mechanisms

Country Status (3)

Country Link
US (1) US1441527A (en)
FR (1) FR555692A (en)
GB (1) GB191596A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554632B1 (en) * 1983-11-08 1986-09-05 Merlin Gerin SELF-BLOWING CIRCUIT BREAKER WITH RELEASABLE NON-RETURN RATCHET
EP0572346A3 (en) * 1992-02-03 1994-07-27 Ormazabal Ocerin Javier High-voltage circuit breaker

Also Published As

Publication number Publication date
US1441527A (en) 1923-01-09
GB191596A (en) 1923-01-18

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