US PATENT SUBCLASS 105 / 128
.~ One-way friction grip

Current as of: June, 1999
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105 /   HD   RAILWAY ROLLING STOCK

96  DF  WHEEL OR AXLE DRIVE {22}
128.~ One-way friction grip

DEFINITION

Classification: 105/128

(under subclass 96) Railway-vehicles in which the car-wheels or axles are provided with clutches, such as cam or rollers, holding by frictional contact when moved in one direction and adapted to move freely in the opposite direction.