DRAGLINE-EXCAVATOR BUCKET Russian patent published in 1997 - IPC

FIELD: earth moving machines; replaceable working equipment of dragline-excavators intended for open-pit mining. SUBSTANCE: bucket of dragline excavator has line, side walls, rear wall hinge-coupled with upper wall, support chain, crossmembers, chain blocks with axles, closing blocks with axles, wearing plate, chain wear sections, pull and hoist cables and bucket throwing cable connected with bucket upper wall through support chain. EFFECT: facilitated emptying of bucket through rear wall from vertical position occupied in pre-discharge period in process of hoisting, reliable opening of rear wall, eliminated sliding friction and wear of holding chains and guide members, increased capacity by decreasing sticking of earth in bucket and improved accuracy of loading earth into vehicle. 5 dwg