| US 7,562,761 B2 | ||
| Slat driven positive displacement sorter | ||
| Ryan D. Tasma, Middleville, Mich. (US); David H. Cotter, Coopersville, Mich. (US); and Ted W. Haan, Wyoming, Mich. (US) | ||
| Assigned to Dematic Corp., Grand Rapids, Mich. (US) | ||
| Filed on Nov. 29, 2007, as Appl. No. 11/947,319. | ||
| Application 11/947319 is a continuation in part of application No. 11/738573, filed on Apr. 23, 2007. | ||
| Claims priority of provisional application 60/745668, filed on Apr. 26, 2006. | ||
| Prior Publication US 2008/0116036 A1, May 22, 2008 | ||
| Int. Cl. B65G 47/10 (2006.01) | ||
| U.S. Cl. 198—370.02 [198/890.1; 198/370.07; 198/463.2] | 39 Claims |
| 1. An article sorter, comprising:
a web defined by a plurality of interconnected laterally elongated slats, an upper portion of said web defining a longitudinally
extending conveying surface, each of said slats having a generally planar upper surface forming a portion of said conveying
surface;
a pair of wheel assemblies, one at each lateral side of said web;
said wheel assemblies interconnecting said slats to form said web and moveably supporting said web;
a plurality of pusher shoes travelling laterally of said conveying surface to laterally displace articles on said conveying
surface, each of said pusher shoes travelling along one of said slats and having at least one portion between that one of
said slats and an adjacent one of said slats; and
a drive assembly, said drive assembly including a sprocket and a motor, said motor rotating said sprocket, said sprocket engaging
said slats to propel said web.
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