Anti-pitch system for a motorcycle

Details Anti-pitch system for a motorcycle Anti-pitch system for a motorcycle

1984-07-19

1986-04-22

Pekar, John A.

Motor vehicles

Special wheel base

Having only two wheels

280275, 280283, B62K 2512, B60G 2104

Patent

active

045836124

ABSTRACT:
An anti-pitch system for a motorcycle having a rear swing arm suspension and a front suspension of the type including a control arm which is hinged to the chassis and which extends forwardly therefrom. The anti-pitch system includes a torsion rod which links the rear swing arm to the forward control arm. The torsion rod resists unequal angular displacements of the control arm and the swing arm relative to the chassis, thereby resisting pitching motions such as normally occur during hard braking of the front wheel or during hard acceleration. The torsion rod does not however affect substantially equal displacements of the front and rear suspensions, that is, substantially vertical motions of the motorcycle chassis, such as occur in response to varying weight loads on the motorcycle or in response to dips or rises in a road. The system is particularly adapted to a motorcycle having a one-sided front suspension system.

REFERENCES:
patent: 3521904 (1970-07-01), Sheffer
patent: 4265329 (1981-05-01), de Cortanze
patent: 4398741 (1983-08-01), Hiramatsu
patent: 4451065 (1984-05-01), Williams

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