CA999902A - Circuit breaker trip and latch mechanism - Google Patents

Circuit breaker trip and latch mechanism

Info

Publication number
CA999902A
CA999902A CA194,839A CA194839A CA999902A CA 999902 A CA999902 A CA 999902A CA 194839 A CA194839 A CA 194839A CA 999902 A CA999902 A CA 999902A
Authority
CA
Canada
Prior art keywords
circuit breaker
latch mechanism
breaker trip
trip
latch
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
CA194,839A
Inventor
Eugene J. Walker
Alfred E. Maier
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.)
Westinghouse Electric 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 CA999902A publication Critical patent/CA999902A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01H71/505—Latching devices between operating and release mechanism
    • 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
    • H01H71/505—Latching devices between operating and release mechanism
    • H01H2071/506—Latching devices between operating and release mechanism using balls or rollers in the latching device
    • 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
    • H01H71/505—Latching devices between operating and release mechanism
    • H01H2071/508—Latching devices between operating and release mechanism with serial latches, e.g. primary latch latched by secondary latch for requiring a smaller trip force
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H2071/7481—Means for adjusting the conditions under which the device will function to provide protection with indexing means for magnetic or thermal tripping adjustment knob
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/128—Manual release or trip mechanisms, e.g. for test purposes
CA194,839A 1973-03-27 1974-03-13 Circuit breaker trip and latch mechanism Expired CA999902A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00345396A US3810051A (en) 1973-03-27 1973-03-27 Circuit breaker trip and latch mechanism

Publications (1)

Publication Number Publication Date
CA999902A true CA999902A (en) 1976-11-16

Family

ID=23354874

Family Applications (1)

Application Number Title Priority Date Filing Date
CA194,839A Expired CA999902A (en) 1973-03-27 1974-03-13 Circuit breaker trip and latch mechanism

Country Status (10)

Country Link
US (1) US3810051A (en)
BE (1) BE812746A (en)
BR (1) BR7402410D0 (en)
CA (1) CA999902A (en)
DE (2) DE7409789U (en)
ES (1) ES424701A1 (en)
FR (1) FR2223824A1 (en)
GB (1) GB1461814A (en)
IT (1) IT1012560B (en)
ZA (1) ZA741620B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5142259A (en) * 1991-05-16 1992-08-25 General Electric Company Molded case circuit breaker with low friction latch arrangement
JP3900780B2 (en) * 2000-03-06 2007-04-04 富士電機機器制御株式会社 Circuit breaker
EP2472550B1 (en) 2010-12-29 2013-07-17 ABB Technology AG A latching apparatus and an operating mechanism with such a latching apparatus
EP3316275B1 (en) 2016-10-25 2019-04-24 ABB Schweiz AG A latching device and an operating mechanism with such a latching device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2051224A (en) * 1935-08-02 1936-08-18 Rape Alvin Continuous rail
US2794881A (en) * 1954-07-22 1957-06-04 Gen Electric Circuit breaker operating mechanism
US3462716A (en) * 1967-03-07 1969-08-19 Westinghouse Electric Corp Circuit breaker with improved trip structure
US3657672A (en) * 1970-09-24 1972-04-18 Westinghouse Electric Corp Circuit breaker with manual trip structure

Also Published As

Publication number Publication date
IT1012560B (en) 1977-03-10
ES424701A1 (en) 1976-10-16
ZA741620B (en) 1975-02-26
BR7402410D0 (en) 1974-11-19
US3810051A (en) 1974-05-07
DE7409789U (en) 1974-07-18
FR2223824A1 (en) 1974-10-25
BE812746A (en) 1974-09-23
DE2413499A1 (en) 1974-10-10
AU6685874A (en) 1975-09-25
GB1461814A (en) 1977-01-19

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