BR7302846D0 - Dispositivo de chave eletrica - Google Patents

Dispositivo de chave eletrica

Info

Publication number
BR7302846D0
BR7302846D0 BR2846/73A BR284673A BR7302846D0 BR 7302846 D0 BR7302846 D0 BR 7302846D0 BR 2846/73 A BR2846/73 A BR 2846/73A BR 284673 A BR284673 A BR 284673A BR 7302846 D0 BR7302846 D0 BR 7302846D0
Authority
BR
Brazil
Prior art keywords
key device
electric key
electric
key
Prior art date
Application number
BR2846/73A
Other languages
English (en)
Inventor
J Ellsworth
J Wallace
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
Publication of BR7302846D0 publication Critical patent/BR7302846D0/pt

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
BR2846/73A 1972-04-19 1973-04-18 Dispositivo de chave eletrica BR7302846D0 (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7302846D0 true BR7302846D0 (pt) 1974-07-11

Family

ID=22926728

Family Applications (1)

Application Number Title Priority Date Filing Date
BR2846/73A BR7302846D0 (pt) 1972-04-19 1973-04-18 Dispositivo de chave eletrica

Country Status (3)

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

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 (it) * 1981-05-19 1986-09-03 Sarno Spa Presa di corrente industriale con interruttore a blocco meccanico
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
CA942806A (en) 1974-02-26

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