CA947342A - Safety switch - Google Patents

Safety switch

Info

Publication number
CA947342A
CA947342A CA096,596A CA96596A CA947342A CA 947342 A CA947342 A CA 947342A CA 96596 A CA96596 A CA 96596A CA 947342 A CA947342 A CA 947342A
Authority
CA
Canada
Prior art keywords
safety switch
safety
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
CA096,596A
Inventor
Jakob Ellenberger
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.)
Ellenberger and Poensgen GmbH
Original Assignee
Ellenberger and Poensgen GmbH
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 Ellenberger and Poensgen GmbH filed Critical Ellenberger and Poensgen GmbH
Application granted granted Critical
Publication of CA947342A publication Critical patent/CA947342A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/12—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by voltage falling below a predetermined value, e.g. for no-volt protection
CA096,596A 1969-10-27 1970-10-26 Safety switch Expired CA947342A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1953984A DE1953984C3 (en) 1969-10-27 1969-10-27 Push button operated switch

Publications (1)

Publication Number Publication Date
CA947342A true CA947342A (en) 1974-05-14

Family

ID=5749339

Family Applications (1)

Application Number Title Priority Date Filing Date
CA096,596A Expired CA947342A (en) 1969-10-27 1970-10-26 Safety switch

Country Status (6)

Country Link
US (1) US3675177A (en)
CA (1) CA947342A (en)
CH (1) CH519243A (en)
DE (1) DE1953984C3 (en)
FR (1) FR2065550B1 (en)
GB (1) GB1318760A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE793833A (en) * 1972-01-14 1973-05-02 Telemecanique Electrique ARMING AND TRIPPING DEVICE FOR THERMAL RELAY
US4048599A (en) * 1974-04-19 1977-09-13 Elektra Tailfingen Ammann & Cie Electric switching device
CH614069A5 (en) * 1977-03-31 1979-10-31 Weber Ag Fab Elektro
DE2720601A1 (en) * 1977-05-07 1978-11-09 Hanning Elektro Werke Electric motor with undervoltage trip - has switch disconnecting motor supply held in its ON position by stator magnetic field
DE2720634A1 (en) * 1977-05-07 1978-11-16 Hanning Elektro Werke Electric motor automatically switched off below given supply level - has thermal switch for winding and cut=out controlled by stator field strength
DE2914775B1 (en) * 1979-04-11 1980-07-17 Siemens Ag Device for changing over a changeover contact arrangement
US4567456A (en) * 1983-06-13 1986-01-28 Technology Research Corporation Resettable circuit closing device
US4862313A (en) * 1987-12-11 1989-08-29 Hitachi, Ltd. Driving apparatus for DC circuit breakers
DE3937546A1 (en) * 1989-11-10 1991-05-16 Kopp Gmbh & Co Kg Heinrich Mobile protection device for electrical load - has manual button acting simultaneously on armature and pivoted contact carrier
IL221673A (en) * 2012-08-28 2013-01-31 Klod Cohen Electric boiler control system
US8872606B1 (en) 2013-04-23 2014-10-28 Eaton Corporation Bimetal and magnetic armature providing an arc splatter resistant offset therebetween, and circuit breaker including the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1396845A (en) * 1917-09-01 1921-11-15 Westinghouse Electric & Mfg Co Electrical switch
NL31465C (en) * 1929-01-25
US2686850A (en) * 1950-10-26 1954-08-17 Itt General purpose relay
DE1051951B (en) * 1958-02-27 1959-03-05 Ellenberger & Poensgen Push-button overcurrent switch
DE1119987B (en) * 1959-09-17 1961-12-21 Siemens Ag Electrical switchgear for the control of circuits in dependence on very small currents
US3117255A (en) * 1961-01-04 1964-01-07 Hamilton Watch Co Electromagnet for winding automobile clocks
DE1289173B (en) * 1963-11-08 1969-02-13 Licentia Gmbh Small thermal circuit breaker with high shock resistance
US3295077A (en) * 1965-08-12 1966-12-27 Ite Circuit Breaker Ltd Current zero sensing and latching element for circuit breakers

Also Published As

Publication number Publication date
DE1953984C3 (en) 1973-01-04
FR2065550B1 (en) 1974-03-01
US3675177A (en) 1972-07-04
FR2065550A1 (en) 1971-07-30
CH519243A (en) 1972-02-15
DE1953984A1 (en) 1971-05-13
GB1318760A (en) 1973-05-31
DE1953984B2 (en) 1972-06-15

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