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

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/54Contact arrangements
    • H01H50/56Contact spring sets
    • H01H50/58Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49105Switch making

Landscapes

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

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 (enrdf_load_html_response)

Family

ID=10324700

Family Applications (2)

Application Number Title Priority Date Filing Date
NL7313476.A NL157717B (nl) 1949-12-08 Inrichting voor het teweegbrengen van een gasdruksignaal te gebruiken voor het calibreren en beproeven van op drukveranderingen reagerende apparatuur.
NL78452D NL78452C (enrdf_load_html_response) 1949-12-08

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL7313476.A NL157717B (nl) 1949-12-08 Inrichting voor het teweegbrengen van een gasdruksignaal te gebruiken voor het calibreren en beproeven van op drukveranderingen reagerende apparatuur.

Country Status (4)

Country Link
US (1) US2630500A (enrdf_load_html_response)
BE (1) BE499871A (enrdf_load_html_response)
GB (1) GB728891A (enrdf_load_html_response)
NL (2) NL78452C (enrdf_load_html_response)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE531359A (enrdf_load_html_response) * 1953-08-24
US2810040A (en) * 1953-08-24 1957-10-15 Telephone Mfg Co Ltd Electric switches
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 (de) * 1954-09-09 1957-04-18 Ericsson Telefon Ab L M Kontaktfeder-Anordnung bei elektromagnetischem Relais
DE1027253B (de) * 1955-09-06 1958-04-03 Siemens Ag Verhindern des Kontaktprellens beim Anzug von Flachrelais
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
BE499871A (enrdf_load_html_response)
GB728891A (en) 1955-04-27
NL157717B (nl)
US2630500A (en) 1953-03-03

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