FR952042A - Improvements to electro-magnetic switching devices - Google Patents

Improvements to electro-magnetic switching devices

Info

Publication number
FR952042A
FR952042A FR952042DA FR952042A FR 952042 A FR952042 A FR 952042A FR 952042D A FR952042D A FR 952042DA FR 952042 A FR952042 A FR 952042A
Authority
FR
France
Prior art keywords
electro
switching devices
magnetic switching
magnetic
devices
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
Other languages
French (fr)
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.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
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 Union Switch and Signal Inc filed Critical Union Switch and Signal Inc
Application granted granted Critical
Publication of FR952042A publication Critical patent/FR952042A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/56—Contact spring sets

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Contacts (AREA)
FR952042D 1939-12-12 1947-08-13 Improvements to electro-magnetic switching devices Expired FR952042A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US308862A US2268161A (en) 1939-12-12 1939-12-12 Switching device

Publications (1)

Publication Number Publication Date
FR952042A true FR952042A (en) 1949-11-08

Family

ID=23195699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR952042D Expired FR952042A (en) 1939-12-12 1947-08-13 Improvements to electro-magnetic switching devices

Country Status (3)

Country Link
US (1) US2268161A (en)
BE (1) BE477675A (en)
FR (1) FR952042A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2567870A (en) * 1946-09-07 1951-09-11 Conn Ltd C G Switch for electrical musical instruments
US2639355A (en) * 1951-05-25 1953-05-19 Magnaflux Corp Electrical contact
US2864913A (en) * 1954-04-09 1958-12-16 Siemens Ag Relay contact arrangement and operation
US2838631A (en) * 1955-02-01 1958-06-10 Westinghouse Air Brake Co Electrical relays
US3828286A (en) * 1973-07-05 1974-08-06 Datron Syst Inc Miniature relay

Also Published As

Publication number Publication date
US2268161A (en) 1941-12-30
BE477675A (en)

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