FR1374540A - Method and device for determining the crossing of axes of a free-pivot system - Google Patents

Method and device for determining the crossing of axes of a free-pivot system

Info

Publication number
FR1374540A
FR1374540A FR946580A FR946580A FR1374540A FR 1374540 A FR1374540 A FR 1374540A FR 946580 A FR946580 A FR 946580A FR 946580 A FR946580 A FR 946580A FR 1374540 A FR1374540 A FR 1374540A
Authority
FR
France
Prior art keywords
crossing
axes
determining
free
pivot system
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
FR946580A
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to FR946580A priority Critical patent/FR1374540A/en
Application granted granted Critical
Publication of FR1374540A publication Critical patent/FR1374540A/en
Expired legal-status Critical Current

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)
FR946580A 1963-09-04 1963-09-04 Method and device for determining the crossing of axes of a free-pivot system Expired FR1374540A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR946580A FR1374540A (en) 1963-09-04 1963-09-04 Method and device for determining the crossing of axes of a free-pivot system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR946580A FR1374540A (en) 1963-09-04 1963-09-04 Method and device for determining the crossing of axes of a free-pivot system

Publications (1)

Publication Number Publication Date
FR1374540A true FR1374540A (en) 1964-10-09

Family

ID=8811740

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946580A Expired FR1374540A (en) 1963-09-04 1963-09-04 Method and device for determining the crossing of axes of a free-pivot system

Country Status (1)

Country Link
FR (1) FR1374540A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2427289A1 (en) * 1978-06-02 1979-12-28 Simon Francois Monitor for tower cranes working on same site - has computers receiving load position signals to actuate alarm when collision risk occurs
FR2458504A1 (en) * 1979-06-11 1981-01-02 Simon Francois Operation monitor for two adjacent cranes - prevents their collision by monitoring their geographical positions and detecting angular position of each jib
FR2494245A1 (en) * 1980-11-14 1982-05-21 Entreprises Soc Gle Collision prevention system for tower cranes - includes angular and radial position detectors providing warnings to both crane drivers when collision path is engaged

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2427289A1 (en) * 1978-06-02 1979-12-28 Simon Francois Monitor for tower cranes working on same site - has computers receiving load position signals to actuate alarm when collision risk occurs
FR2458504A1 (en) * 1979-06-11 1981-01-02 Simon Francois Operation monitor for two adjacent cranes - prevents their collision by monitoring their geographical positions and detecting angular position of each jib
FR2494245A1 (en) * 1980-11-14 1982-05-21 Entreprises Soc Gle Collision prevention system for tower cranes - includes angular and radial position detectors providing warnings to both crane drivers when collision path is engaged

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