Chain guide assembly frame

A chain guide assembly frame comprising a main body and a driven sprocket holding portion that is able to clamp a driven sprocket in an upper part of the main body,

• the main body including a fixed chain guide, and a pivoting chain guide holding portion that is able to mount a pivoting chain guide,
• the driven sprocket holding portion including a fixed-guide-side sprocket holding portion provided on a fixed chain guide side, and a pivoting-guide-side sprocket holding portion provided on a pivoting chain guide holding portion side,
• the main body including a drive sprocket holding portion that is able to hold a drive sprocket and located lower than the driven sprocket holding portion,
• the main body including a concave, convex, or concave-and-convex oil passage extending from the upper part toward a lower part to guide oil toward above the drive sprocket holding portion,
• the main body includes, in the upper part thereof, a top guide provided, and
• the oil passage includes an upper oil passage formed continuously extending from the top guide through between the fixed-guide-side sprocket holding portion and the pivoting-guide-side sprocket holding portion, and a lower oil passage formed at a position lower than the upper oil passage.