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Stothert and Pitt Ltd
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Stothert and Pitt Ltd
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Application filed by Stothert and Pitt LtdfiledCriticalStothert and Pitt Ltd
Application grantedgrantedCritical
Publication of FR542857ApublicationCriticalpatent/FR542857A/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)
FR542857D1921-01-101921-10-28Perfectionnement aux mécanismes d'actionnement des pelles automatiques
ExpiredFR542857A
(fr)