Chain guide having improved arm-shoe attachment feature

Details Chain guide having improved arm-shoe attachment feature Chain guide having improved arm-shoe attachment feature

1992-11-09

1994-06-07

Britts, Ramon S.

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Tension adjuster has surface in sliding contact with belt

474140, F16H 708

Patent

active

053184823

ABSTRACT:
A chain guide for automobile camshaft drive chains and the like comprises a lever arm having a mounting hole for receiving a pivot shaft, and a synthetic resin chain-engaging shoe having a pair of tongues, which embrace the arm on both sides, and which have holes aligned with the mounting hole of the arm, so that the shoe cannot disengage the arm when the shoe and arm are mounted on the pivot shaft. The tongues have convex portions which engage concave contoured steps on the sides of the arm with a snap fit, so that the shoe is held in proper relationship to the arm before mounting on the pivot shaft.

REFERENCES:
patent: 3426606 (1969-02-01), Hopkins
patent: 4826468 (1989-05-01), Friedrichs
patent: 5045032 (1991-09-01), Suzuki et al.
patent: 5088966 (1991-09-01), Suzuki et al.
U.S. patent application Ser. No. 07/867,860 entitled "Tensioner Lever Having an I-Shaped Section".
U.S. patent application Ser. No. 07/867,861 entitled "Floating Preventive Structure for Shoe of Tensioner Lever" will issue on Feb. 9, 1993 as U.S. Pat. No. 5,184,983.

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