LOGGING TRACTOR GRIP Russian patent published in 2005 - IPC

FIELD: logging.

SUBSTANCE: proposed grip contains frame mounted on tractor rear mounting system with panel rigidly secured on frame and arranged vertically, winch with guide rollers secured on top of frame and grip in form of crossmember with gripping hooks. Crossmember is hinge-connected with frame, and spring is arranged around hinge joint, being installed between crossmember and frame. Ends of spring are fitted in cups secured on surfaces of frame and crossmember. Crossmember with gripping hooks is connected with panel by flexible tie made in form of calibrated chain or wire rope. Tie is hinge-connected by ends on crossmember and panel, being arranged in longitudinal plane along axis of traction force taken up by crossmember with tree clamped by gripping hooks at logging.

EFFECT: improved reliability of gripping by reducing efforts taken up by hinge joint.

2 dwg