Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • 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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
  • B66C11/00—Trolleys or crabs, e.g. operating above runways
  • B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
  • B66C11/20—Arrangements, e.g. comprising differential gears, enabling simultaneous or selective operation of travelling and hoisting gear; Arrangements using the same rope or cable for both travelling and hoisting, e.g. in Temperley cranes

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9322414

Family Applications (1)

Country Status (2)

• 0
  • NL NL53282D patent/NL53282C/xx active
• 1938
  • 1938-09-10 FR FR851277D patent/FR851277A/fr not_active Expired

Also Published As

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