.~.~ Having openings through side or base of shoe or link
DEFINITION
Classification: 305/113
Having openings through side or base of shoe or link:
(under subclass 111) Apparatus including an endless positive track composed of individual track shoes being connected together to afford the ready passage, discharge, or extrusion
of the mud, snow, chips, and other debris.
SEE OR SEARCH THIS CLASS, SUBCLASS:
195, for a sprocket and track engagement.
202+, for a separate transverse connector pin between treads.
SEE OR SEARCH CLASS
152, Resilient Tires and Wheels,
225+, for a plate or bar type antiskid device. 474, Endless Belt Power Transmission Systems or Components,
156+, for a belt formed of rigid links having sequential links pivoted about discrete pivot pin; subclasses 233+ for a positive drive belt formed of rigid links having a discrete member inter connecting pulley-tooth receiving links. [figure] [caption]A -Track shoe; B, C - Track shoe sidewalls; D, E - Adjacent track shoe lugs; F - Common grouser; G - Link; H - Fastening means; J - Support plate; K - Opening thru plate "J" provides egress; of entrapped debris
