The Gates Corporation

John Muri

Andrzej Dec

Shawn Xiang Wu

Min Gao

Yuding Feng

Leslee Brown

Karla J Bier

Jennifer E Pease

Douglas D Schelhaas

Kevin Ward

Patrick Joseph McNamee

Guogong Chen

William Fraser Lacy

Cindy Cookson

Justin Paulsen

Charlie Ochoa

Cindy Decker

Carol Weber

Patrick Joseph Mcnamee

Paul Pearson

Schelhaas Douglas D,

A synchronous belt drive system having: a synchronous belt with a tensile cord of high-modulus fiber such as glass, carbon, PBO, or aramid; a driver sprocket and at least one driven sprocket, at least one of which is an obround sprocket; and a tensioner having: a base having a cylindrical portion extending axially with a radially outer surface and a receiving portion, an eccentric arm pivotally engaged with the radially outer surface, a torsion spring disposed within the receiving portion, the torsion spring applying a biasing force to the eccentric arm, and a pulley journalled to the eccentric arm. Preferably, no one of the eccentric arm, pulley, or torsion spring is axially displaced along an axis A-A from the others. The obround sprocket has a toothed surface and at least one linear portion disposed between two arcuate portions having a constant radius, the linear portion having a predetermined length.

Synchronous belt drive system

Growing community of inventors

Dumfries and Galloway, United Kingdom

John Muri