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Publication of LU32472A1publicationCriticalpatent/LU32472A1/xx
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
B66C3/14—Grabs opened or closed by driving motors thereon
B66C3/18—Grabs opened or closed by driving motors thereon by electric motors