Silent chain with a guide washer having a single central aperture for a center pin
AssigneeBorg-Warner Automotive, Inc.
InventorShozo Wakabayashi
Life of this patent
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Abstract
A silent chain is directed to prevent bending of the connection pin and reducing surface pressure acting on the connection pin while maintaining bendability of the entire chain. The chain includes multiple link plates, each having a pair of teeth and a pair of pinholes. The links are interleaved in the transverse and longitudinal directions and the link plates are connected by connection pins inserted in the pinholes. Connection pin is composed of center pin at the center of pinhole and of a pair of rocker pins on both sides of said center pin. Guide washer is provided to each connection pin. Guide washer has a guide part extending on both sides of the teeth of link plate and a central apertures for fixing of the end of center pin.
Claims10
A silent chain, comprising:
- a plurality of interleaved rows of link plates, pin members connecting adjacent rows of link plates, each link plate defining a pair of apertures for receiving said pin members, each link plate having a pair of teeth extending therefrom;
- each said pin member including a center pin, said center pin being disposed in the center of an aperture of a link plate, a pair of rocker pins disposed on both sides of said center pin, said center pin and rocker pins having convex curved faces contacting each other, said rocker pins having a shorter length than that of said center pin,
- a plurality of guide washers, each of said guide washers corresponding to each pin member and being press-fitted on the ends of the center pins, each guide washer having a laterally extending guiding portion and an aperture for receiving said center pin.
Dependencies are inferred from the claim text.