US PATENT SUBCLASS 305 / 102
.~ With peripheral seal between bushing and track link

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

100  DF  WITH MEANS TO REMOVE OR EXCLUDE FOREIGN MATTER (E.G., SEAL, SCRAPER) {8}
102.~ With peripheral seal between bushing and track link

DEFINITION

Classification: 305/102

With peripheral seal between bushing and track link:

(under subclass 100) Apparatus including a waterproof and dustproof elastomeric ring or similar element located on each side at or near the surface of the sleeve around the connecting pin.

SEE OR SEARCH CLASS

384, Bearing,

13+, for a rotary plain bearing having a specified seal.

474, Endless Belt Power Transmission Systems or Components,

207, for a positive drive belt formed of rigid links having a nonmetallic part. [figure] [caption]A, B, C - Track shoe collars; D, E, F - Track pin assembly; G - Spherical bearing; H - Elastomeric seal