Motorcycle torsion bar rear suspension

Details Motorcycle torsion bar rear suspension Motorcycle torsion bar rear suspension

1992-06-22

1994-11-01

Tyson, Karin L.

Motor vehicles

Special wheel base

Having only two wheels

280284, 280285, 267273, B62K 1102

Patent

active

053600789

ABSTRACT:
A torsion bar rear suspension has many advantages over standard motorcycle suspensions. They include lowering the center of gravity, lowering total weight, and many others. The torsion bar rear suspension is located underneath the motorcycle's swing arm (9). A linkage system consisting of a linkage strut (8) and torque arm (7) transmits the torque from the swing arm to the torsion spring. The torsion spring is a combination of a torsion bar (5) and a thin walled torsion tube (6). The torsion spring exerts a force depending on the position of the swing arm (9). A damper (12) is mounted on the swing arm (9). The damper is compressed as the swing arm rotates about the swing arm pivot (15). The damper (12) exerts a force according to the speed the damper is compressed.

REFERENCES:
patent: 2942871 (1960-06-01), Kraus
patent: 3337236 (1967-08-01), Peterson
patent: 4451065 (1984-05-01), Williams
patent: 4463824 (1984-08-01), Boyesen
patent: 4744434 (1988-05-01), Miyakoshi et al.
patent: 4842298 (1989-06-01), Jarvis
patent: 5005859 (1991-04-01), Satoh
patent: 5007497 (1991-04-01), Trema
patent: 5020783 (1991-06-01), Schroder
patent: 5074580 (1991-12-01), Wagner

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