Patent ID: 6550704
Filing Date: 2003-04-22
Classification: B02C

Abstract:
A lift frame and tub grinder combination comprising a tub grinder having a grinder frame, a grinder cylinder and conveyor below a tub on the tub grinder and extending below the grinder frame, a power unit on the grinder frame for powering the tub grinder, the lift frame used in combination with a hoist mounted on a hauling truck, the hoist being movable between an extended offloading position and a retracted transport position to move the lift frame into overlying relation with the truck for subsequent transport, the lift frame comprising an elongated frame having a pair of spaced apart rails extending between opposite ends of the frame:an upstanding arm at one end of the lift frame, and adapted for releasable engagement with the hoist whereby operation of the hoist causes the frame to drawn onto the truck; cross bars for holding the spaced apart rails in an assembly, said lift frame having spaced, longitudinally extending support members for engaging lower portions of the grinder frame of the tub grinder with the grinding cylinder and conveyor between the support members and at a height above the rails, whereby the tub grinder and lift frame can be moved onto the truck and offloaded from the truck by operation of the hoist, and the tub grinder being operable when mounted on the lift frame.