FR685267A - Improvements to electrical switches with a wedge-shaped contact - Google Patents

Improvements to electrical switches with a wedge-shaped contact

Info

Publication number
FR685267A
FR685267A FR685267DA FR685267A FR 685267 A FR685267 A FR 685267A FR 685267D A FR685267D A FR 685267DA FR 685267 A FR685267 A FR 685267A
Authority
FR
France
Prior art keywords
wedge
shaped contact
electrical switches
switches
electrical
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 FR685267A publication Critical patent/FR685267A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/42—Knife-and-clip contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
FR685267D 1928-11-22 1929-11-20 Improvements to electrical switches with a wedge-shaped contact Expired FR685267A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US321190A US1787291A (en) 1928-11-22 1928-11-22 Electric switch

Publications (1)

Publication Number Publication Date
FR685267A true FR685267A (en) 1930-07-08

Family

ID=40793306

Family Applications (1)

Application Number Title Priority Date Filing Date
FR685267D Expired FR685267A (en) 1928-11-22 1929-11-20 Improvements to electrical switches with a wedge-shaped contact

Country Status (2)

Country Link
US (1) US1787291A (en)
FR (1) FR685267A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2537348A (en) * 1948-07-26 1951-01-09 Chance Co Ab Fused dropout cutout
US4123638A (en) * 1976-06-22 1978-10-31 Motomu Miyamoto High speed switching device for switch and breaker

Also Published As

Publication number Publication date
US1787291A (en) 1930-12-30

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