US PATENT SUBCLASS 187 / 410
.~ With roller

Current as of: June, 1999
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187 /   HD   ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE

409  DF  HAVING SPECIFIC GUIDE SHOE {1}
410.~ With roller

DEFINITION

Classification: 187/410

With roller:

(under subclass 409) Subject matter wherein the device is provided with at least one revolvably mounted wheel or caster to reduce friction between the device and the path limiting means.