FR651661A - Improvements to lifting devices - Google Patents

Improvements to lifting devices

Info

Publication number
FR651661A
FR651661A FR651661DA FR651661A FR 651661 A FR651661 A FR 651661A FR 651661D A FR651661D A FR 651661DA FR 651661 A FR651661 A FR 651661A
Authority
FR
France
Prior art keywords
lifting devices
lifting
devices
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
Other languages
French (fr)
Inventor
Johann Martin Bernhard
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
Application granted granted Critical
Publication of FR651661A publication Critical patent/FR651661A/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
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B66C2700/0392—Movement of the crane arm; Coupling of the crane arm with the counterweights; Safety devices for the movement of the arm

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR651661D 1927-03-23 1928-03-23 Improvements to lifting devices Expired FR651661A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE651661X 1927-03-23

Publications (1)

Publication Number Publication Date
FR651661A true FR651661A (en) 1929-02-21

Family

ID=6581559

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651661D Expired FR651661A (en) 1927-03-23 1928-03-23 Improvements to lifting devices

Country Status (1)

Country Link
FR (1) FR651661A (en)

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