GB709173A - Improvements in or relating to electric switches having manual and automatic operation - Google Patents

Improvements in or relating to electric switches having manual and automatic operation

Info

Publication number
GB709173A
GB709173A GB23630/52A GB2363052A GB709173A GB 709173 A GB709173 A GB 709173A GB 23630/52 A GB23630/52 A GB 23630/52A GB 2363052 A GB2363052 A GB 2363052A GB 709173 A GB709173 A GB 709173A
Authority
GB
United Kingdom
Prior art keywords
bar
lever
contacts
opened
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
GB23630/52A
Other languages
English (en)
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.)
Elettromecc F Rapizzi & F Di G
Original Assignee
Elettromecc F Rapizzi & F Di G
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 Elettromecc F Rapizzi & F Di G filed Critical Elettromecc F Rapizzi & F Di G
Publication of GB709173A publication Critical patent/GB709173A/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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures
    • 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
    • H01H71/504—Manual reset mechanisms which may be also used for manual release provided with anti-rebound means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
GB23630/52A 1951-09-29 1952-09-19 Improvements in or relating to electric switches having manual and automatic operation Expired GB709173A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT306171X 1951-09-29

Publications (1)

Publication Number Publication Date
GB709173A true GB709173A (en) 1954-05-19

Family

ID=11230200

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23630/52A Expired GB709173A (en) 1951-09-29 1952-09-19 Improvements in or relating to electric switches having manual and automatic operation

Country Status (6)

Country Link
US (1) US2733313A (en:Method)
BE (1) BE513905A (en:Method)
CH (1) CH306171A (en:Method)
DE (1) DE927938C (en:Method)
FR (1) FR1062658A (en:Method)
GB (1) GB709173A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211955A (en) * 1960-03-29 1965-10-12 Westinghouse Electric Corp Circuit interrupting device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1700240A (en) * 1920-06-21 1929-01-29 Betts & Betts Corp Current limiter
US1749602A (en) * 1924-02-18 1930-03-04 Westinghouse Electric & Mfg Co Electrical protective device
US1842128A (en) * 1929-10-17 1932-01-19 John F Maertz Railroad crossing gate
US2503632A (en) * 1949-04-20 1950-04-11 Prather Porter Automatic electric switch

Also Published As

Publication number Publication date
BE513905A (en:Method)
US2733313A (en) 1956-01-31
DE927938C (de) 1955-05-20
FR1062658A (fr) 1954-04-26
CH306171A (fr) 1955-03-31

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