Torsion suspension system for motorcycles having improved center

Details Torsion suspension system for motorcycles having improved center Torsion suspension system for motorcycles having improved center

1984-05-23

1986-05-13

Peters, Jr., Joseph F.

Land vehicles

Suspension modification enacted during travel

Suspension geometry

180219, 280284, B62K 2528, B60K 1500

Patent

active

045881960

ABSTRACT:
A motorcycle having improved center of gravity is disclosed. The motorcycle has a torsion suspension system and a frame having front and rear wheels with a motor located in the frame and a driver's seat mounted on an upper supporting structure of the frame. A swing arm having a pivot point on one of the frame and the motor is provided, the swing arm having at least one arm supporting a wheel, the swing arm permitting the wheel to rotate about a generally horizontal axis and to move in a generally vertical direction with respect to the pivot point axis of said swing arm. A fuel tank is provided having at least a portion thereof fixedly mounted in said frame below said driver's seat, thereby improving said motorcycle center of gravity by providing for lowered weight.

REFERENCES:
patent: 3698503 (1972-10-01), Koyama
patent: 4451065 (1984-05-01), Williams, Jr.
patent: 4457524 (1984-07-01), Yoshiwara
patent: 4465156 (1984-08-01), Richardson et al.

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