| 摘要 |
An endless track assembly (10) for a track-type vehicle comprises a plurality of track shoes (11) secured to an articulated chain (12). The links (13) of the chain are pivotally interconnected together by pin and bushing assemblies (14) adapted to engage a drive sprocket (16) of the vehicle. A cushioning lug (17) is secured to each track shoe, intermediate each pair of adjacent pin and bushing assemblies, for attenuating the noise level of the track assembly upon engagement therewith the drive sprocket. Each cushioning lug assembly comprises a resilient cushioning block (18) composed of an elastomeric material, a cap (19) mounted on the cushioning block and a tensioned cable (26) secured between the cap (19) and a respective one of the track shoes (11). A ball (28) secured to the upper end of the cable may be connected to the cap (19) by an annular retainer (32) formed integrally with the cap, or by a separate member secured to the cap and covered by a plug (35). |
