GB772500A - Snap action electric switches - Google Patents

Snap action electric switches

Info

Publication number
GB772500A
GB772500A GB23178/54A GB2317854A GB772500A GB 772500 A GB772500 A GB 772500A GB 23178/54 A GB23178/54 A GB 23178/54A GB 2317854 A GB2317854 A GB 2317854A GB 772500 A GB772500 A GB 772500A
Authority
GB
United Kingdom
Prior art keywords
vane
contacts
over
snap
aug
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
GB23178/54A
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.)
Signal Stat Corp
Original Assignee
Signal Stat Corp
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 Signal Stat Corp filed Critical Signal Stat Corp
Publication of GB772500A publication Critical patent/GB772500A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/06—Self-interrupters, i.e. with periodic or other repetitive opening and closing of contacts

Landscapes

  • Thermally Actuated Switches (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)

Abstract

772,500. Thermal switches. SIGNALSTAT CORPORATION. Aug. 10, 1954 [Aug. 18, 1953], No. 23178/54. Class 38(5) . A snap action electric switch similar to that described in Specification 762,045 which utilises a snap acting vane member disclosed in Specification 761,713 [Group XXXII] is provided with a further pair of co-operating contacts so as to function as a change-over switch to alternately energize two load circuits. A snap acting vane 10 snaps between two positions in one of which positions, the stress deformed position, contacts 25, 35 are closed to energize a signal lamp SL-1 over the vane mounting member 20 and the heat expansible element 30. When the element 30 has expanded sufficiently to allow the vane 10 to snap over to its initial preset position contacts 25, 35 are opened and contacts 55, 60 closed. A signal lamp SL-2 is now energized over the vane mounting member 20 and the. vane 10. Contact 35 is carried by the heat expansible element 30 whilst contact 55 is carried by the vane 10.
GB23178/54A 1953-08-18 1954-08-10 Snap action electric switches Expired GB772500A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US374975A US2712045A (en) 1953-08-18 1953-08-18 Snap action vane

Publications (1)

Publication Number Publication Date
GB772500A true GB772500A (en) 1957-04-17

Family

ID=23478982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23178/54A Expired GB772500A (en) 1953-08-18 1954-08-10 Snap action electric switches

Country Status (3)

Country Link
US (1) US2712045A (en)
DE (1) DE1189618B (en)
GB (1) GB772500A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1140260B (en) * 1957-12-17 1962-11-29 Tung Sol Electric Inc Electrical thermal snap switch with a stretch strip carrying a circular snap disk
DE3149870A1 (en) * 1981-04-09 1983-02-17 TRI-TECH, Inc., 06705 Waterbury, Conn. ENCLOSED HIGH TEMPERATURE SWITCH

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1201727B (en) * 1959-10-20 1965-09-23 James W Welsh Thermal flashing device
US3218415A (en) * 1960-12-20 1965-11-16 Tung Sol Electric Inc Thermally actuated snap action device
GB975673A (en) * 1960-12-20 1964-11-18 Tung Sol Electric Inc Snap action device
US3174012A (en) * 1961-06-15 1965-03-16 Tung Sol Electric Inc Vane snap action device having movable heater means for voltage and temperature compensation
US3201547A (en) * 1961-08-11 1965-08-17 Signal Stat Corp Compensated thermomotive flasher
US3256406A (en) * 1963-04-25 1966-06-14 Ideal Corp Single-curved vane-type thermally actuated switch
DE1218316B (en) * 1964-01-15 1966-06-02 Tung Sol Electric Inc Flashing switch
DE1261030C2 (en) * 1966-01-27 1976-01-15 Lehigh Valley Industries, Inc., New York, N.Y. (V.St.A.) FLASH SWITCH

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL59346C (en) * 1938-08-27
US2338515A (en) * 1940-05-31 1944-01-04 Westinghouse Electric & Mfg Co Motor protective device
US2616996A (en) * 1947-12-06 1952-11-04 Beeman Lyle Snap switch
USRE24023E (en) * 1951-07-21 1955-06-14 Schmidinger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1140260B (en) * 1957-12-17 1962-11-29 Tung Sol Electric Inc Electrical thermal snap switch with a stretch strip carrying a circular snap disk
DE3149870A1 (en) * 1981-04-09 1983-02-17 TRI-TECH, Inc., 06705 Waterbury, Conn. ENCLOSED HIGH TEMPERATURE SWITCH

Also Published As

Publication number Publication date
US2712045A (en) 1955-06-28
DE1189618B (en) 1965-03-25

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