Chain guide and chain tensioner device

摘要

A chain guide and a chain tensioner device using the chain guide. A roller, brought into contact with a chain, comprises a support shaft supported by an opposing guide base provided along the running direction of the chain, and roller bearings each having a steel outer ring on the outer peripheral surface of the support shaft so as to be brought into contact with the chain. The roller is also configured to be assembled by inserting opposite ends of the support shaft into support recesses on facing wall surfaces of the guide base. The roller has a vibration damping material between the support shaft and the support recess of each of the plate members.

主权项

1. A chain guide comprising:
a plurality of rollers which are configured to be brought into contact with an endlessly connected chain, and a guide base which supports opposite ends of a support shaft of each of the plurality of rollers, and is provided along a running direction of the chain, wherein each of the plurality of rollers includes a roller bearing provided on an outer peripheral surface of a corresponding one of the support shafts, the roller bearing having a steel outer ring which is configured to be brought into contact with the chain, wherein the guide base includes mutually facing side plate members respectively provided along opposite sides of the chain, wherein a height of each of the side plate members is higher than a level of an outer diameter surface of each of the plurality of rollers so as to enable the chain to be guided between mutually facing wall surfaces of the side plate members, and wherein the opposite ends of each support shaft are respectively supported by the mutually facing wall surfaces of the side plate members.