US PATENT SUBCLASS 187 / 221
.~.~ Includes auxiliary or adjustably spaced trackway

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

203  DF  STATIONARY LIFT FOR ROADWAY VEHICLE OR REQUIRED COMPONENT THEREOF {7}
216  DF  .~ Having specific vehicle support structure (e.g., trackways) {3}
221.~.~ Includes auxiliary or adjustably spaced trackway

DEFINITION

Classification: 187/221

Includes auxiliary or adjustably spaced trackway:

Vehicle-underlying support surface under 216 including a component which (1) is designed to direct a wheel of a vehicle driving onto the support surface and (2) is either (a) located where it does not contact and direct a wheel every time the vehicle elevating apparatus is in operation (e.g., one of plural alternatively useable trackways) or (b) shiftable toward or away from a similar wheel directing component during different vehicle elevating operations for vehicles having a different gauge or wheel arrangement.