Patent ID: 9261170
Filing Date: 2016-02-16
CPC Classification: F16H

Claim Text:
1. A chain guide comprising: a guide base arranged along a portion of an outer periphery of a chain, comprising chain pieces joined together by chain pins, for transmitting torque, the guide base being elongated in a direction in which the chain travels; a plurality of roller shafts spaced from each other in a longitudinal direction of the guide base; and a plurality of rollers for guiding the chain, the rollers being rotatably supported by the respective roller shafts, wherein the plurality of rollers guide the chain by rolling, and wherein an arrangement interval between each adjacent pair of the rollers is set such that any two of the pins by which the pieces of the chain are joined together do not pass any two of the plurality of rollers at a same time, wherein if p is a pitch of the chain and m is the number of the rollers, for all combinations of integers s and t that satisfy the formulas: an arrangement interval Li between i-th and (i+1)-th ones of the rollers with respect to the direction in which the chain travels is set to satisfy the following formula: