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:
Apr. 23, 2013
Filed:
Apr. 20, 2010
Chetwyn Jones, Cambridge, MD (US);
George Howard Messick, Jr., East New Market, MD (US);
Chetwyn Jones, Cambridge, MD (US);
George Howard Messick, Jr., East New Market, MD (US);
Cambridge International, Inc., Cambridge, MD (US);
Abstract
A compound sprocket having at least one rotatable member including an outer sprocket element and an inner sprocket element symmetrically disposed relative to a central axis of rotation of the at least one rotatable member. The outer sprocket element includes a plurality of spaced, uniformly radially-oriented protrusions on an outer cylindrical surface thereof for engaging a conveyor belt, the outer sprocket element further includes a plurality of pockets formed on an inner cylindrical surface thereof. The inner sprocket element has a plurality of protrusions corresponding in number and position to the pockets formed on the inner cylindrical surface of the outer sprocket element and received therein. A resilient connecting element is disposed in each pocket biased between a wall of the pocket of the outer sprocket element and one of the protrusions of the inner sprocket element.