Chain guide structure

Endless belt power transmission systems or components – Guard or housing for belt or pulley

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B62J 1300

Patent

active

054455685

ABSTRACT:
A chain guide structure having, in combination, a chain cover and a chain guide member which can easily and securely be placed on the chain cover for temporary assembling, and capable of improving the efficiency of the assembling work. A chain guide structure for guiding a chain wound round a driving sprocket supported on the sidewall of a crankcase and covered with a cover attached to the sidewall includes an elastic chain guide member having a substantially semicircular shape opening toward the rear and supported on the inner surface of the cover so as to extend along the chain. At least two ribs are formed on the inner surface of the cover so as to hold the chain guide member by elastically deforming the chain guide member so that the width of the open end of the chain guide member is changed.

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