US PATENT SUBCLASS 305 / 137
.~.~.~ Including structure to engage track (e.g., wear surface, cushion)

Current as of: June, 1999
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305 /   HD   WHEEL SUBSTITUTES FOR LAND VEHICLES

124  DF  WITH TRACK SUPPORT INTERMEDIATE OF END WHEELS {4}
129  DF  .~ With roller support contacting lower track run {9}
136  DF  .~.~ Specific roller structure, per se {1}
137.~.~.~ Including structure to engage track (e.g., wear surface, cushion)

DEFINITION

Classification: 305/137

Including structure to engage track (e.g., wear surface, cushion):

(under subclass 136) Apparatus including specific configuration of the roller for partially contacting or meshing with the endless band.

SEE OR SEARCH CLASS

152, Resilient Tires and Wheels,

306+, for a resilient tire with a sectional abutting sections; subclass 323 for a resilient tire with a integral cushion.

295, Railway Wheels and Axles,

11+, for a railway wheel with a tire cushion; subclasses 31.1+ for a wheel tread.

301, Land Vehicles: Wheels and Axles,

11.3, for a detachable wheel section having a spacer between the rim and the wheel body; subclasses 63.1+ for a disc type compression wheel. 474, Endless Belt Power Transmission Systems or Components,

161, for a positive drive pulley or guide roll with a nonmetallic component; subclass 164 for a positive drive pulley or guide roll having axially spaced sets of belt engaging surfaces; subclass 191 for a pulley or guide roll with a nonmetallic belt engaging surface; subclass 901 for a pulley or guide roll for the track of an endless track vehicle. [figure] [caption]A-Roller or wheel; B-Hub; C - Rim; D, E - Wheel panels; F, G - Rim outer and inner surfaces