FR740295A - Interrupteur inviolable - Google Patents

Interrupteur inviolable

Info

Publication number
FR740295A
FR740295A FR740295DA FR740295A FR 740295 A FR740295 A FR 740295A FR 740295D A FR740295D A FR 740295DA FR 740295 A FR740295 A FR 740295A
Authority
FR
France
Prior art keywords
tamper
proof switch
proof
switch
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
English (en)
Inventor
Etienne Guillot-Ricard
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 filed Critical
Application granted granted Critical
Publication of FR740295A publication Critical patent/FR740295A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • H01H27/06—Key inserted and then turned to effect operation of the switch
    • H01H27/08—Key inserted and then turned to effect operation of the switch wherein the key cannot be removed until the switch is returned to its original position

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR740295D 1932-06-24 1932-06-24 Interrupteur inviolable Expired FR740295A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR740295T 1932-06-24

Publications (1)

Publication Number Publication Date
FR740295A true FR740295A (fr) 1933-01-24

Family

ID=9134163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR740295D Expired FR740295A (fr) 1932-06-24 1932-06-24 Interrupteur inviolable

Country Status (1)

Country Link
FR (1) FR740295A (fr)

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