.~ With detachable grouser for endless chain track {4}
189
.~.~ Including nonmetallic part or component
DEFINITION
Classification: 305/189
Including nonmetallic part or component:
(under subclass 187) Apparatus including a pad or block made of high strength rubber or other elastomeric material to reduce noise or vibration.
SEE OR SEARCH CLASS
301, Land Vehicles: Wheels and Axles,
44.2, for a traction increasing projecting cleat made of resilient material. [figure] [caption]A - Grouser plate; B - Track (endless); C - Extended end connector (outboard side); D - End connector (inboard side); R - Flange portion; F - Grouser base portion; G - Grouser bracket; H - Bolt aperture; J - Nonmetallic block; K - Flotation plate