GB1421565A - Thermally actuated snap action switch - Google Patents

Thermally actuated snap action switch

Info

Publication number
GB1421565A
GB1421565A GB3676773A GB3676773A GB1421565A GB 1421565 A GB1421565 A GB 1421565A GB 3676773 A GB3676773 A GB 3676773A GB 3676773 A GB3676773 A GB 3676773A GB 1421565 A GB1421565 A GB 1421565A
Authority
GB
United Kingdom
Prior art keywords
web
stop
rod
movable
blade
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
GB3676773A
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.)
Rockwell Automation Switzerland GmbH
Original Assignee
Sprecher und Schuh AG
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 Sprecher und Schuh AG filed Critical Sprecher und Schuh AG
Publication of GB1421565A publication Critical patent/GB1421565A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/18—Energy stored by deformation of elastic members by flexing of blade springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H2037/5445—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting with measures for avoiding slow break of contacts during the creep phase of the snap bimetal
    • 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
    • H01H2071/109—Operating or release mechanisms with provisions for selecting between automatic or manual reset

Landscapes

  • Thermally Actuated Switches (AREA)
GB3676773A 1972-09-26 1973-08-02 Thermally actuated snap action switch Expired GB1421565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1402172A CH537088A (de) 1972-09-26 1972-09-26 Schnappschalter für einen thermischen Auslöser, insbesondere für den Motorenschutz

Publications (1)

Publication Number Publication Date
GB1421565A true GB1421565A (en) 1976-01-21

Family

ID=4397276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3676773A Expired GB1421565A (en) 1972-09-26 1973-08-02 Thermally actuated snap action switch

Country Status (6)

Country Link
US (1) US3872417A (enrdf_load_stackoverflow)
JP (1) JPS4976083A (enrdf_load_stackoverflow)
CH (1) CH537088A (enrdf_load_stackoverflow)
DE (1) DE2324295A1 (enrdf_load_stackoverflow)
ES (1) ES418911A1 (enrdf_load_stackoverflow)
GB (1) GB1421565A (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1542253A (en) * 1976-05-07 1979-03-14 Taylor J Electric switches
US4431884A (en) * 1982-08-09 1984-02-14 Gulf & Western Manufacturing Company Snap action switch
US4796355A (en) * 1987-09-15 1989-01-10 B/K Patent Development, Inc. Snap action devices and methods and apparatus for making same
JPH071665B2 (ja) * 1988-09-20 1995-01-11 富士電機株式会社 熱形過負荷継電器の反転ばね機構
US5467523A (en) * 1994-09-01 1995-11-21 General Electric Company Method for assembling and calibrating a condition-responsive electric switch mechanism
US5585774A (en) * 1994-09-01 1996-12-17 General Electric Company Condition-responsive electric switch mechanism
FR2785717B1 (fr) * 1998-11-05 2000-12-08 Schneider Electric Sa Relais thermique dote d'un mecanisme a lame-ressort
US6018286A (en) * 1998-11-20 2000-01-25 Therm-O-Disc, Incorporated Thermal switch
US6252492B1 (en) 1999-03-18 2001-06-26 James P. Frank Condition-responsive electric switch mechanism
US6563414B2 (en) * 2001-04-19 2003-05-13 Tsung-Mou Yu Switch having a bimetal plate with two legs
US6538553B2 (en) * 2001-07-13 2003-03-25 Tsung-Mou Yu Switching element for electric switch
US6550832B2 (en) * 2001-07-30 2003-04-22 Mentor Group, Llc Actuator
US20050134424A1 (en) * 2003-12-19 2005-06-23 Albert Huang Bimetallic strip for a circuit breaker
EP1845545B1 (en) * 2005-02-02 2014-01-29 Uchiya Thermostat Co., Ltd. Thermostat
DE102009061050B4 (de) * 2009-06-05 2019-09-05 Marcel P. HOFSAESS Bimetallteil und damit ausgestattete temperaturabhängige Schalter
US8402663B2 (en) 2010-08-11 2013-03-26 William J. McHenry Two-piece hand tool

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2584460A (en) * 1947-12-24 1952-02-05 Acro Mfg Co Snap action switch
NL83239C (enrdf_load_stackoverflow) * 1950-09-16
US3382336A (en) * 1962-09-20 1968-05-07 Ite Circuit Breaker Ltd Manual operator and lock means therefor for overload protective device
US3153708A (en) * 1963-05-29 1964-10-20 George G Guthrie Snap action switch

Also Published As

Publication number Publication date
US3872417A (en) 1975-03-18
CH537088A (de) 1973-05-15
ES418911A1 (es) 1976-03-01
JPS4976083A (enrdf_load_stackoverflow) 1974-07-23
DE2324295A1 (de) 1974-03-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee