Chain guide and chain transmission device
AssigneeNtn Corporation
InventorsAkio Kato, Shinji Oishi
Life of this patent
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Abstract
A chain guide is provided by which a chain can be guided silently. The chain guide includes: a guide base arranged along a portion of the outer periphery of a chain for transmitting torque and elongated in the direction in which the chain travels; a plurality of roller shafts spaced apart from each other in the longitudinal direction of the guide base; and a plurality of rollers for guiding the chain. The rollers are rotatably supported by the respective roller shafts. The rollers guide the chain by rolling. An arrangement interval between each adjacent pair of the rollers is set such that any two of the pins by which pieces of the chain are joined together do not pass any two of the rollers at the same time.
Claims15
1-7. (canceled)
A chain guide comprising:
- a guide base arranged along a portion of an outer periphery of a chain for transmitting torque and 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 pins by which pieces of the chain are joined together do not pass any two of the plurality of rollers at a same time.
Dependencies are inferred from the claim text.