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TEINTURIER JEAN
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TEINTURIER JEAN
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Application filed by TEINTURIER JEANfiledCriticalTEINTURIER JEAN
Priority to FR7633210ApriorityCriticalpatent/FR2369992A1/en
Publication of FR2369992A1publicationCriticalpatent/FR2369992A1/en
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
FR7633210A1976-11-031976-11-03Automatic counterbalance for load on crane boom - has balanced operation switch to detect deflections and move counterweight to compensateWithdrawnFR2369992A1 (en)
Equipment for counterbalancing lift or hoist - comprises drum with one or more vertical guides for lift cage, and rotatable break plate fixed to drum upper end