FR660652A - Improvements made to electrical switches - Google Patents

Improvements made to electrical switches

Info

Publication number
FR660652A
FR660652A FR660652DA FR660652A FR 660652 A FR660652 A FR 660652A FR 660652D A FR660652D A FR 660652DA FR 660652 A FR660652 A FR 660652A
Authority
FR
France
Prior art keywords
improvements made
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 FR660652A publication Critical patent/FR660652A/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
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/16—Contacts characterised by the manner in which co-operating contacts engage by abutting by rolling; by wrapping; Roller or ball contacts
FR660652D 1927-09-29 1928-09-19 Improvements made to electrical switches Expired FR660652A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US222891A US1728836A (en) 1927-09-29 1927-09-29 Electric switch

Publications (1)

Publication Number Publication Date
FR660652A true FR660652A (en) 1929-07-16

Family

ID=22834157

Family Applications (1)

Application Number Title Priority Date Filing Date
FR660652D Expired FR660652A (en) 1927-09-29 1928-09-19 Improvements made to electrical switches

Country Status (3)

Country Link
US (1) US1728836A (en)
FR (1) FR660652A (en)
GB (1) GB297846A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1040653B (en) * 1953-11-03 1958-10-09 Calor Emag Elektrizitaets Ag Contact arrangement for electrical switches, especially high-performance switches

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1040653B (en) * 1953-11-03 1958-10-09 Calor Emag Elektrizitaets Ag Contact arrangement for electrical switches, especially high-performance switches

Also Published As

Publication number Publication date
US1728836A (en) 1929-09-17
GB297846A (en) 1929-11-07

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