Patent ID: 6155538
Filing Date: 2000-12-05
Classification: B66D

Abstract:
A winch, comprising:a housing;a rope drum rotatably supported in the housing and moveable in a longitudinal direction between two end positions;a piston operated by gas pressure for moving the rope drum between the end positions;a spindle mounted in fixed rotative engagement to the rope drum and extending in coaxial relationship thereto, said spindle carrying a nut which is securely fixed to the housing for guiding the spindle in the longitudinal direction;a pivot bearing arranged coaxially between the piston and the rope drum and including two bearing rings arranged side-by-side in a direction of a rotation axis of the pivot bearing, whereby during operation an end face of the rope drum rests upon one of the bearing rings and the piston rests on the other one of the bearing rings; anda catch, provided between the piston and the rope drum, for limiting an axial displacement of the piston and the rope drum relative to one another to a predetermined value.