NL7303177A - - Google Patents

Info

Publication number
NL7303177A
NL7303177A NL7303177A NL7303177A NL7303177A NL 7303177 A NL7303177 A NL 7303177A NL 7303177 A NL7303177 A NL 7303177A NL 7303177 A NL7303177 A NL 7303177A NL 7303177 A NL7303177 A NL 7303177A
Authority
NL
Netherlands
Application number
NL7303177A
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
Priority claimed from FR7208717A external-priority patent/FR2174797B1/fr
Priority claimed from FR7306972A external-priority patent/FR2223708A2/fr
Application filed filed Critical
Publication of NL7303177A publication Critical patent/NL7303177A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00—Safety gear
    • B66C15/04—Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track
    • B66C15/045—Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track electrical

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
NL7303177A 1972-03-07 1973-03-07 NL7303177A (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7208717A FR2174797B1 (xx) 1972-03-07 1972-03-07
FR7306972A FR2223708A2 (en) 1973-02-21 1973-02-21 Safety circuit for handling equipment - uses transmitting and receiving circuits tuned to discrete frequencies

Publications (1)

Publication Number Publication Date
NL7303177A true NL7303177A (xx) 1973-09-11

Family

ID=26216978

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7303177A NL7303177A (xx) 1972-03-07 1973-03-07

Country Status (2)

Country Link
LU (1) LU67167A1 (xx)
NL (1) NL7303177A (xx)

Also Published As

Publication number Publication date
LU67167A1 (xx) 1973-06-15

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Legal Events

Date Code Title Description
BV The patent application has lapsed
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed