US PATENT SUBCLASS 187 / 236
.~.~ Including gear and mating rack or chain

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

222  DF  INDUSTRIAL LIFT TRUCK OR REQUIRED COMPONENT THEREOF (E.G., FORKLIFT) {8}
233  DF  .~ Having specific drive-means for load support {3}
236.~.~ Including gear and mating rack or chain

DEFINITION

Classification: 187/236

Including gear and mating rack or chain:

Mobile wheeled or tracked apparatus under 233 wherein the drive-means* includes both (a) a toothed gear rotatably attached to the load support surface or to a relatively stationary component of the mobile apparatus and (b) a bar or chain which is mounted along the confined path of travel of the load support surface or attached to the load support surface and which has a row of complementary teeth or apertures mating with teeth of the gear.

SEE OR SEARCH THIS CLASS, SUBCLASS:

270+, for drive-means* for an elevator car which includes a gear and mating rack or chain.