NL78452C - - Google Patents

Info

Publication number
NL78452C
NL78452C NL78452DA NL78452C NL 78452 C NL78452 C NL 78452C NL 78452D A NL78452D A NL 78452DA NL 78452 C NL78452 C NL 78452C
Authority
NL
Netherlands
Application number
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.)
Publication of NL78452C publication Critical patent/NL78452C/xx

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
    • H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49105—Switch making

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Contacts (AREA)
NL78452D 1949-12-08 NL78452C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31544/49A GB728891A (en) 1949-12-08 1949-12-08 Improvements in and relating to electric contact making devices

Publications (1)

Publication Number Publication Date
NL78452C true NL78452C (en)

Family

ID=10324700

Family Applications (2)

Application Number Title Priority Date Filing Date
NL78452D NL78452C (en) 1949-12-08
NL7313476.A NL157717B (en) 1949-12-08 DEVICE FOR GENERATING A GAS PRESSURE SIGNAL TO BE USED FOR CALIBRATION AND TESTING OF EQUIPMENT RESPONDING TO PRESSURE CHANGE.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL7313476.A NL157717B (en) 1949-12-08 DEVICE FOR GENERATING A GAS PRESSURE SIGNAL TO BE USED FOR CALIBRATION AND TESTING OF EQUIPMENT RESPONDING TO PRESSURE CHANGE.

Country Status (4)

Country Link
US (1) US2630500A (en)
BE (1) BE499871A (en)
GB (1) GB728891A (en)
NL (2) NL157717B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810040A (en) * 1953-08-24 1957-10-15 Telephone Mfg Co Ltd Electric switches
BE531358A (en) * 1953-08-24
US2762866A (en) * 1954-08-30 1956-09-11 Automatic Elect Lab Multi-position relays
GB786959A (en) * 1954-09-07 1957-11-27 Telephone Mfg Co Ltd Improvements in and relating to electromagnetic relays and to apparatus incorporating such relays
DE962099C (en) * 1954-09-09 1957-04-18 Ericsson Telefon Ab L M Contact spring arrangement with electromagnetic relay
DE1027253B (en) * 1955-09-06 1958-04-03 Siemens Ag Prevents contact bouncing when flat relays pick up
US3024610A (en) * 1956-04-26 1962-03-13 Monarch Machine Tool Co Electrical control system
US2907983A (en) * 1956-06-19 1959-10-06 Leich Electric Co Mechanical counting relay

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2086136A (en) * 1933-10-18 1937-07-06 Bell Telephone Labor Inc Method of manufacturing switches
US2348088A (en) * 1940-11-20 1944-05-02 Ibm Detachable relay
US2385858A (en) * 1943-06-11 1945-10-02 Smaller War Plants Corp Relay
US2444026A (en) * 1943-07-24 1948-06-29 Western Electric Co Method of making selective switch banks
US2390344A (en) * 1944-03-01 1945-12-04 Gen Electric Electric switch
US2500413A (en) * 1945-11-26 1950-03-14 Clare & Co C P Gang relay switch arrangement
US2523360A (en) * 1947-04-25 1950-09-26 Bell Telephone Labor Inc Electromagnetic relay

Also Published As

Publication number Publication date
NL157717B (en)
US2630500A (en) 1953-03-03
GB728891A (en) 1955-04-27
BE499871A (en)

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