FR732407A - Improvements made to electrical devices such as contactors or the like, in particular telephone keys - Google Patents

Improvements made to electrical devices such as contactors or the like, in particular telephone keys

Info

Publication number
FR732407A
FR732407A FR732407DA FR732407A FR 732407 A FR732407 A FR 732407A FR 732407D A FR732407D A FR 732407DA FR 732407 A FR732407 A FR 732407A
Authority
FR
France
Prior art keywords
contactors
electrical devices
improvements made
particular telephone
telephone keys
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.)
Association des Ouvriers en Instruments de Precision
Original Assignee
Association des Ouvriers en Instruments de Precision
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 Association des Ouvriers en Instruments de Precision filed Critical Association des Ouvriers en Instruments de Precision
Application granted granted Critical
Publication of FR732407A publication Critical patent/FR732407A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/36—Driving mechanisms
    • H01H21/50—Driving mechanisms with indexing or latching means, e.g. indexing by ball and spring; with means to ensure stopping at intermediate operative positions
FR732407D 1931-02-28 1932-02-27 Improvements made to electrical devices such as contactors or the like, in particular telephone keys Expired FR732407A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE732407X 1931-02-28

Publications (1)

Publication Number Publication Date
FR732407A true FR732407A (en) 1932-09-20

Family

ID=3879209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR732407D Expired FR732407A (en) 1931-02-28 1932-02-27 Improvements made to electrical devices such as contactors or the like, in particular telephone keys

Country Status (2)

Country Link
BE (1) BE377797A (en)
FR (1) FR732407A (en)

Also Published As

Publication number Publication date
BE377797A (en)

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