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:
Feb. 11, 2003
Filed:
May. 17, 2002
David A. Deer, Owego, NY (US);
Lockheed Martin Corporation, Bethesda, MD (US);
Abstract
An article pusher assembly for use with a roller conveyor having a plurality of parallel rollers that define a conveying surface having opposed sides at a given distance. The pusher assembly comprises a carriage assembly mounted under the conveying surface. The carriage assembly includes first and second carriages. A pusher blade is positioned with a contact portion above the conveying surface and at least one post extending between a pair of adjacent rollers and connected to the one of the carriages. A drive unit is mounted under the conveying surface selectively drives the carriage assembly. A multiplier unit interconnects the first and second carriages and is configured to move the first carriage relative to the second carriage in direct relation to movement of the second carriage.