JPH0217496U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a perspective view showing an embodiment of this invention, Fig. 2 is a side view showing the chain adjuster shown in Fig. 1 inserted into the swing arm, and Fig. 3 is a shape formed from the same plate material by pressing. A plan view showing an example, FIG. 4 is a plan view of a conventional shape, FIG. 5 is a side view showing a swing arm of a motorcycle, FIG. 6 is a perspective view showing a conventional chain adjuster, and FIG. FIG. 2 is a side view showing a defective state of a conventional chain adjuster. 1...Chain adjuster, 2...Swing arm, 3, 3, 4, 4...Protrusion, 5...Shaft hole, 7...
...Screw shaft.

Claims (1)

[Scope of utility model registration request] A chain adjuster for inserting the rear wheel axle is movably installed inside a swing arm with a rectangular cross section connected to the rear part of the vehicle body frame, and the screw shaft of this adjuster is made to protrude from the rear end surface of the swing arm, and a lock nut is attached to the protruding part. In a two-wheeled motor vehicle in which the tension of the chain is adjusted by screwing together and moving the screw shaft forward and backward, protrusions are provided at the top and bottom of the left and right parts in the front and back direction of the chain adjuster to abut against the top and bottom inner surfaces of the swing arm, A chain adjuster for a two-wheeled motor vehicle, characterized in that the upper and lower protrusions on the left and right sides protrude at positions shifted forward and backward relative to the shaft hole through which the rear wheel axle passes.