GB422902A - Improvements in automatic thermic cut-out and similar apparatus - Google Patents

Improvements in automatic thermic cut-out and similar apparatus

Info

Publication number
GB422902A
GB422902A GB11282/33A GB1128233A GB422902A GB 422902 A GB422902 A GB 422902A GB 11282/33 A GB11282/33 A GB 11282/33A GB 1128233 A GB1128233 A GB 1128233A GB 422902 A GB422902 A GB 422902A
Authority
GB
United Kingdom
Prior art keywords
teeth
rod
cup
fixed
spring
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
GB11282/33A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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
Priority to FR749775D priority Critical patent/FR749775A/fr
Priority to BE395677D priority patent/BE395677A/xx
Application filed by Individual filed Critical Individual
Priority to GB11282/33A priority patent/GB422902A/en
Publication of GB422902A publication Critical patent/GB422902A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
    • G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/20—Electrothermal mechanisms with fusible mass
    • H01H71/205—Electrothermal mechanisms with fusible mass using a ratchet wheel kept against rotation by solder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/22—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release
    • H01H73/28—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release reset by rotatable knob or wheel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
GB11282/33A 1932-04-19 1933-04-18 Improvements in automatic thermic cut-out and similar apparatus Expired GB422902A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR749775D FR749775A (fr) 1932-04-19 1932-04-19 Appareil à déclanchement automatique sous l'action de la chaleur
BE395677D BE395677A (enrdf_load_stackoverflow) 1932-04-19 1933-04-14
GB11282/33A GB422902A (en) 1932-04-19 1933-04-18 Improvements in automatic thermic cut-out and similar apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR749775T 1932-04-19
GB11282/33A GB422902A (en) 1932-04-19 1933-04-18 Improvements in automatic thermic cut-out and similar apparatus

Publications (1)

Publication Number Publication Date
GB422902A true GB422902A (en) 1935-01-14

Family

ID=9983338

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11282/33A Expired GB422902A (en) 1932-04-19 1933-04-18 Improvements in automatic thermic cut-out and similar apparatus

Country Status (3)

Country Link
BE (1) BE395677A (enrdf_load_stackoverflow)
FR (1) FR749775A (enrdf_load_stackoverflow)
GB (1) GB422902A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264437A (en) * 1963-09-06 1966-08-02 Imrich M Miller Automatically resettable thermal actuated switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264437A (en) * 1963-09-06 1966-08-02 Imrich M Miller Automatically resettable thermal actuated switch

Also Published As

Publication number Publication date
FR749775A (fr) 1933-07-28
BE395677A (enrdf_load_stackoverflow) 1933-05-31

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