(under subclass 100) Apparatus including a waterproof and dustproof elastomeric ring or similar element located between a cylindrical element used to fasten two adjacent belt links and the removable sleeve of metal or other material.
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102, for a peripheral seal between the bushing and track link.
103+, for an end seal between the bushing and track link.
106, for a seal between the connector pin and track link.
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474, Endless Belt Power Transmission Systems or Components,
207, for a positive drive belt formed of rigid links and having a nonmetallic part. [figure] [caption]A - Track link assembly; B, C - Pair of link members; D, E - Pair of link members; F - Bushing; G, H - Annular recess in the bushing end; portions; J - Track pins; K, L - Circumferential sealing grooves in the; connector pin; M, N - Sealing members between the bushing; and connector pin
