Driving force transmission mechanism using a timing belt for an

Details Driving force transmission mechanism using a timing belt for an Driving force transmission mechanism using a timing belt for an

1986-07-22

1987-11-24

Novosad, Stephen J.

Endless belt power transmission systems or components

Positive drive belt

Drive surfaces on belt formed in or interconnected by...

198834, F16G 520

Patent

active

047087005

ABSTRACT:
In a driving force transmission mechanism using a timing belt for an internal combustion engine according to the present invention, a face width of teeth of the timing belt at dedendums of the teeth is set larger than a width of engagement of a tooth of the timing belt with a tooth of a timing pulley. In the mechanism, a certain degree of freedom in accordance with elastic deformation is given to the width end portions of teeth of the timing belt, and thereby concentration of a load can be decreased on a corner of the dedendum of the teeth. As a result, breakage of the fibers of a canvas and cracking of the teeth of the timing belt etc. can be prevented, and the durability and the span of life of the timing belt can be increased.

REFERENCES:
patent: 2770977 (1956-11-01), Beckadolph et al.
patent: 4276039 (1981-06-01), Takano
patent: 4283184 (1981-08-01), Berg
patent: 4337672 (1982-07-01), Shiber

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