The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 01, 2005
Filed:
Mar. 06, 2003
Frank W. Veit, Spring Lake, MI (US);
Rhonda J. Verploegen, Sparta, MI (US);
Thanh V. Nguyen, Wyoming, MI (US);
Mark S. Harkema, Grand Rapids, MI (US);
Frank W. Veit, Spring Lake, MI (US);
Rhonda J. Verploegen, Sparta, MI (US);
Thanh V. Nguyen, Wyoming, MI (US);
Mark S. Harkema, Grand Rapids, MI (US);
Rapistan Systems Advertising Corp., Grand Rapids, MI (US);
Abstract
A positive displacement sorter apparatus includes a plurality of interconnected slats defining an endless web, an upper run of the endless web defining a conveying surface. A plurality of pusher shoes are provided, each moving along at least one of the plurality of slats to laterally displace articles on the conveying surface. A linear motor propulsion system may be provided for propelling the web including at least one motor primary and a plurality of motor secondaries at the slats.