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:
Aug. 08, 1989
Filed:
Nov. 06, 1987
Tirupathi R Chandrupatla, Flint, MI (US);
GMI Engrg., & Mgmt., Institute, Flint, MI (US);
Abstract
A multi-ratio drive utilizing a chain link or a belt segment specifically designed to engage a sprocket having a plurality of cylindrical pins radially spaced from one another in a circular array. The chain links or belt segments are connected to one another to form a flexible tensile member. The chain embodiment is formed of a plurality of link plates each having a first and second end pivotably attached to one another and extending along a chain axis. Each link is provided with two teeth projecting transversally from the chain axis and each having a concave drive face having a radii substantially equal to that of the sprocket pins to be engaged thereby.