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FR637217A - Improvements to electrical relays - Google Patents

Improvements to electrical relays

Info

Publication number
FR637217A
FR637217A FR637217DA FR637217A FR 637217 A FR637217 A FR 637217A FR 637217D A FR637217D A FR 637217DA FR 637217 A FR637217 A FR 637217A
Authority
FR
France
Prior art keywords
electrical relays
relays
electrical
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.)
SPX Technologies Inc
Original Assignee
General Railway Signal Co
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 General Railway Signal Co filed Critical General Railway Signal Co
Application granted granted Critical
Publication of FR637217A publication Critical patent/FR637217A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Contacts (AREA)
FR637217D 1926-07-27 1927-07-07 Improvements to electrical relays Expired FR637217A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US126914A US1824129A (en) 1926-07-27 1926-07-27 Relay

Publications (1)

Publication Number Publication Date
FR637217A true FR637217A (en) 1928-04-25

Family

ID=22427355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR637217D Expired FR637217A (en) 1926-07-27 1927-07-07 Improvements to electrical relays

Country Status (4)

Country Link
US (1) US1824129A (en)
DE (1) DE503511C (en)
FR (1) FR637217A (en)
GB (1) GB275170A (en)

Also Published As

Publication number Publication date
DE503511C (en) 1930-07-25
US1824129A (en) 1931-09-22
GB275170A (en) 1928-04-12

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