ZA771384B - An improvement in or relating to circuit breaker with operating mechanism having outboard cam and ratchet - Google Patents

An improvement in or relating to circuit breaker with operating mechanism having outboard cam and ratchet

Info

Publication number
ZA771384B
ZA771384B ZA00771384A ZA771384A ZA771384B ZA 771384 B ZA771384 B ZA 771384B ZA 00771384 A ZA00771384 A ZA 00771384A ZA 771384 A ZA771384 A ZA 771384A ZA 771384 B ZA771384 B ZA 771384B
Authority
ZA
South Africa
Prior art keywords
ratchet
relating
improvement
circuit breaker
operating mechanism
Prior art date
Application number
ZA00771384A
Inventor
F Bould
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 ZA771384B publication Critical patent/ZA771384B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H3/3005—Charging means
    • H01H3/3015—Charging means using cam devices
ZA00771384A 1976-04-28 1977-03-08 An improvement in or relating to circuit breaker with operating mechanism having outboard cam and ratchet ZA771384B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68127476A 1976-04-28 1976-04-28

Publications (1)

Publication Number Publication Date
ZA771384B true ZA771384B (en) 1978-01-25

Family

ID=24734564

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00771384A ZA771384B (en) 1976-04-28 1977-03-08 An improvement in or relating to circuit breaker with operating mechanism having outboard cam and ratchet

Country Status (10)

Country Link
JP (1) JPS52148369U (en)
AU (1) AU2306177A (en)
BR (1) BR7702435A (en)
CA (1) CA1089521A (en)
ES (1) ES458219A1 (en)
GB (1) GB1583382A (en)
IT (1) IT1077537B (en)
MX (1) MX145327A (en)
NO (1) NO771445L (en)
ZA (1) ZA771384B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101826403B (en) * 2009-03-05 2012-07-25 上海电科电器科技有限公司 Double-energy storage operating mechanism of single operating shaft
CN101834074B (en) * 2010-06-12 2012-02-15 杨秀丽 Spring operation mechanism for high-voltage breaker
CN103311043B (en) * 2013-05-24 2015-12-16 厦门市恒源新电力设备有限公司 Solid insulation vacuum switch
EP3958284A1 (en) * 2020-08-19 2022-02-23 Hitachi Energy Switzerland AG Spring drive cam for a spring drive of a circuit breaker

Also Published As

Publication number Publication date
NO771445L (en) 1977-10-31
ES458219A1 (en) 1978-07-16
BR7702435A (en) 1977-12-20
GB1583382A (en) 1981-01-28
AU2306177A (en) 1978-09-14
MX145327A (en) 1982-01-27
CA1089521A (en) 1980-11-11
JPS52148369U (en) 1977-11-10
IT1077537B (en) 1985-05-04

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