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FRANCOIS CHARLES BERTHEAUT
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FRANCOIS CHARLES BERTHEAUT
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Application filed by FRANCOIS CHARLES BERTHEAUTfiledCriticalFRANCOIS CHARLES BERTHEAUT
Application grantedgrantedCritical
Publication of FR527801ApublicationCriticalpatent/FR527801A/fr
B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
B66C3/06—Grabs actuated by a single rope or chain
B66C3/10—Grabs actuated by a single rope or chain and having buckets opening automatically upon the grab being lowered on to the dump of material
B66C3/105—Devices for control
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR527801A1920-12-011920-12-01Dispositif automatique pour la manoeuvre de bennes preneuses et d'excavateurs
ExpiredFR527801A
(fr)