Patent ID: 6357500
Filing Date: 2002-03-19
Classification: B60B,B60C

Abstract:
A nonskid device for pneumatic-tired wheels which is held at one end on the wheel of the vehicle and which shows a number of arm-type gripping element supports (50) placed on a supporting element (10), partially overlapping the tire tread (111), with gripping elements (50a) provided for at their free ends, which show on outside spikes (51) or chain sections connecting respectively two gripping element supports with each other or chain strings of chain nets bearing on the tire tread (111) in the tire circumferential direction, wherein, for a swivel movement back and forth of the gripping element supports (50) with their gripping elements (50a) around a swivel center positioned away from the center of the supporting element (10), a number of pivot bearings (30) corresponding to the number of the gripping element supports (50) is placed or provided for on the supporting element (10), wherein each pivot bearing (30) is swivellable about an axis extending parallel to an axletree and wherein at least one gripping element support (50) is held with its end turned to the supporting element (10) on each pivot bearing (30), the supporting element (10) showing a configuration in form of a plate or of a ring or another geometrical configuration.