(under subclass 159) Apparatus wherein a tubular reinforcing core made of a ductile material is incorporated within the rubber tread block or track shoe to receive a cylindrical metallic piece used for joining the track links together.
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42, for a torsion bushing.
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198, Conveyors: Power-Driven,
851+, wherein separate pins interconnect links of a carrier belt structure formed of rigid links. [figure] [caption]A - Tubular sleeves adapted to receive link pins and elastic bushings; B, C - End plates brazed or welded to sleeves; D - Tapped hole in the endplate; E - Electronic material abuts the track wheels; F, G - Fastening means
