| 摘要 |
<p>A conveyor system (20) employs a belt (22) of the type having load carrying areas (40) and yieldable areas (38) in alternating sequence. The belt travels along a path established by a cruciform track (28) containing a pulling chain (26) having alternating horizontal and vertical links (54, 56), each link being joined to a roller carriage (58) at each of its opposite ends.</p><p>The axes of the chain (60) are substantially coplanar with each other and with the yieldable areas (38) of the belt, and each belt section (34) is connected to a link (54, 56). The track may be split into longitudinal halves (66) joined to a common web (30) by fasteners (84) alternately removable from opposite track halves for service access.</p><p>Support leg structures (32) attached to the web (30) carry the track (28) and complete covers (134,136) may enclose the track (28) and belt (22). Expansion joints (100, 102) permit small variations in the length of track runs. Intermediate powered drive units (96) engage the chain in a reliable manner.</p> |
