CA942806A - Enclosed switch device with cover interlock - Google Patents

Enclosed switch device with cover interlock

Info

Publication number
CA942806A
CA942806A CA168,597A CA168597A CA942806A CA 942806 A CA942806 A CA 942806A CA 168597 A CA168597 A CA 168597A CA 942806 A CA942806 A CA 942806A
Authority
CA
Canada
Prior art keywords
switch device
enclosed switch
cover interlock
interlock
cover
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
CA168,597A
Other versions
CA168597S (en
Inventor
James B. Wallace
James P. Ellsworth
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA942806A publication Critical patent/CA942806A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/501—Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker
CA168,597A 1972-04-19 1973-04-12 Enclosed switch device with cover interlock Expired CA942806A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24545672A 1972-04-19 1972-04-19

Publications (1)

Publication Number Publication Date
CA942806A true CA942806A (en) 1974-02-26

Family

ID=22926728

Family Applications (1)

Application Number Title Priority Date Filing Date
CA168,597A Expired CA942806A (en) 1972-04-19 1973-04-12 Enclosed switch device with cover interlock

Country Status (3)

Country Link
US (1) US3760132A (en)
BR (1) BR7302846D0 (en)
CA (1) CA942806A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000478A (en) * 1975-10-30 1976-12-28 General Electric Company Static trip molded case circuit breaker including trip interlock
US4337972A (en) * 1979-10-24 1982-07-06 Killark Electric Manufacturing Co. Panel board safety latch assembly
IT1136608B (en) * 1981-05-19 1986-09-03 Sarno Spa INDUSTRIAL POWER INLET WITH MECHANICAL LOCK SWITCH
US7405369B2 (en) * 2005-08-08 2008-07-29 General Electric Company Interlock apparatus and method for disconnect switches

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609261A (en) * 1970-05-15 1971-09-28 Square D Co External actuator handle mechanism for enclosed circuit breakers

Also Published As

Publication number Publication date
US3760132A (en) 1973-09-18
BR7302846D0 (en) 1974-07-11

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