Crankset assembly

Details Crankset assembly Crankset assembly

1995-09-08

1998-06-16

Schoeppel, Roger J.

Endless belt power transmission systems or components

Positive drive pulley or guide roll

And additional coaxial surface for engaging same belt in...

474164, F16H 5512

Patent

active

057661065

ABSTRACT:
A crankset assembly employing a steel spider construction without adding excessive weight, and accommodating virtually unlimited combinations of bolt circle diameters and types of chain rings that include the crankset assembly. The crankset assembly may include a crank arm, a spindle piece attached to the crank arm, a radially extending spider fixed to the crankset assembly, at least two chain rings supported on the crankset assembly by the spider, and a plurality of connector elements attached to the spider at a corresponding plurality of spaced positions about the spider central axis. At least one of the chain rings is mounted to, and solely supported by, the plurality of connector elements.

REFERENCES:
patent: 4259880 (1981-04-01), Ueno
patent: 4642075 (1987-02-01), Nagashima
patent: 4741724 (1988-05-01), Wang
patent: 5133695 (1992-07-01), Kobayashi
patent: 5426997 (1995-06-01), Brion

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