GB474563A - Improvements in thermal responsive switches - Google Patents

Improvements in thermal responsive switches

Info

Publication number
GB474563A
GB474563A GB4995/37A GB499537A GB474563A GB 474563 A GB474563 A GB 474563A GB 4995/37 A GB4995/37 A GB 4995/37A GB 499537 A GB499537 A GB 499537A GB 474563 A GB474563 A GB 474563A
Authority
GB
United Kingdom
Prior art keywords
contact
spring
apertures
released
fusible material
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
GB4995/37A
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of GB474563A publication Critical patent/GB474563A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Thermally Actuated Switches (AREA)
  • Fuses (AREA)
  • Breakers (AREA)
GB4995/37A 1936-10-21 1937-02-19 Improvements in thermal responsive switches Expired GB474563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US106723A US2197200A (en) 1936-10-21 1936-10-21 Switch

Publications (1)

Publication Number Publication Date
GB474563A true GB474563A (en) 1937-11-03

Family

ID=22312905

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4995/37A Expired GB474563A (en) 1936-10-21 1937-02-19 Improvements in thermal responsive switches

Country Status (3)

Country Link
US (1) US2197200A (de)
DE (1) DE703688C (de)
GB (1) GB474563A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1045513B (de) * 1954-07-30 1958-12-04 Bulpitt And Sons Ltd Elektrischer temperaturabhaengiger Sicherheitsschalter

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2518741A (en) * 1946-03-07 1950-08-15 Gen Motors Corp Protector control
US2866874A (en) * 1957-10-21 1958-12-30 Cook Electric Co Resettable overload protective device
US3032624A (en) * 1958-07-31 1962-05-01 Square D Co Control mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1045513B (de) * 1954-07-30 1958-12-04 Bulpitt And Sons Ltd Elektrischer temperaturabhaengiger Sicherheitsschalter

Also Published As

Publication number Publication date
DE703688C (de) 1941-03-14
US2197200A (en) 1940-04-16

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