Patent ID: 6561320
Filing Date: 2003-05-13
Classification: B60C,B60T

Abstract:
An automatically operated antiskid apparatus for automobile tires, comprising:an operating signal generating unit for transmitting an operation signal generated by a bar operating switch to positions in the vicinity of automotive wheels; a signal transmitting unit for receiving the operating signal from said operating signal generating unit and transmitting the operating signal from a stationary automobile body to rotating wheel rims; and an antiskid bar and antiskid bar operating unit receiving the operating signal from said signal transmitting unit and operating antiskid bars embedded in tread portions of the tires; wherein said operating signal generating unit includes the bar operating switch, a booster connected to said bar operating switch for amplifying the operating signal, a hydraulic cylinder connected to said booster for transmitting an amplified operating signal, a hydraulic conduit connected to said hydraulic cylinder for transmitting the amplified signal, and a plurality of hydraulic pistons connected to said hydraulic conduit and mounted on knuckles situated in automobile wheels; said signal transmitting unit includes a plurality of divided bearings each attached to a plurality of guide portions formed on inside surfaces of wheel rims, each of said divided bearings being composed of left and right disks and bearing balls between right and left disks; said antiskid bar and antiskid bar operating unit includes, a plurality of steel wire pulling pieces each situated outside of each divided bearing, a plurality of steel wires first ends of which are connected to said steel wire pulling pieces, and a plurality of antiskid bar units connected to second ends of said steel wires and positioned in tread portions of said tires; and each of said antiskid bar units includes, a T-shaped, hollow casing part made of flexible, thin material and provided with a plurality of vertical guide slots, a guide part provided with a plurality of inclined guide slots and at its both sides with one or more springs, and a bar part provided with a plurality of projections and situated between two members of the guide part with the projections inserted into the inclined slots of the guide part.