BE715929A - - Google Patents

Info

Publication number
BE715929A
BE715929A BE715929DA BE715929A BE 715929 A BE715929 A BE 715929A BE 715929D A BE715929D A BE 715929DA BE 715929 A BE715929 A BE 715929A
Authority
BE
Belgium
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE715929A publication Critical patent/BE715929A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
    • B66C1/442—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces actuated by lifting force
    • 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
    • H01H71/2472—Electromagnetic mechanisms with rotatable 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/48—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having both electrothermal and electromagnetic automatic release
    • H01H73/50—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having both electrothermal and electromagnetic automatic release reset by lever

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Breakers (AREA)
BE715929D 1967-05-26 1968-05-31 BE715929A (Direct)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64166067A 1967-05-26 1967-05-26
SE1114467 1967-08-04

Publications (1)

Publication Number Publication Date
BE715929A true BE715929A (Direct) 1968-10-16

Family

ID=26655816

Family Applications (1)

Application Number Title Priority Date Filing Date
BE715929D BE715929A (Direct) 1967-05-26 1968-05-31

Country Status (3)

Country Link
US (1) US3425007A (Direct)
BE (1) BE715929A (Direct)
FR (2) FR1563578A (Direct)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5086263U (Direct) * 1973-12-12 1975-07-23
FR2540086A1 (fr) * 1983-01-28 1984-08-03 Lebrun Marc Pince auto-serrante, servant plus particulierement a la manutention de materiaux de construction se presentant sous forme de blocs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2100757A (en) * 1934-09-29 1937-11-30 Westinghouse Electric & Mfg Co Circuit breaker
US2620382A (en) * 1951-02-02 1952-12-02 Mcgraw Electric Co Automatic reclosing circuit breaker
US3201650A (en) * 1959-03-09 1965-08-17 Robert T Schultz Short protector circuit

Also Published As

Publication number Publication date
US3425007A (en) 1969-01-28
FR1563576A (Direct) 1969-04-11
FR1563578A (Direct) 1969-04-11

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BARRA PHILIPPE

Effective date: 19870531