Motorcycle suspension system

Details Motorcycle suspension system Motorcycle suspension system

1983-01-25

1985-09-24

Bertsch, Richard A.

Land vehicles

Wheeled

Occupant propelled type

280279, B62K 2102

Patent

active

045429103

ABSTRACT:
Two embodiments of motorcycle suspension systems that are particularly adapted for use with the steered front wheel. Each embodiment achieves a non-linear suspension rate through the use of a linkage system for loading the suspension element upon relative movement between the wheel and the frame. Each embodiment reduces unsprung weight by loading the suspension element from an intermediate portion of a link that is pivoted to a sprung portion of the motorcycle. In one embodiment of the invention, the linkage system is disposed so as to minimize bending forces on the wheel supporting element that would otherwise be encountered due to the castor angle.

REFERENCES:
patent: 426402 (1890-04-01), Torkelson
patent: 946143 (1910-01-01), Levedahl
patent: 2463310 (1949-03-01), Probst
patent: 3630303 (1971-12-01), Froumajou
patent: 4212481 (1980-07-01), Ribi
patent: 4379567 (1983-04-01), Ribi
patent: 4410196 (1983-10-01), Ribi
patent: 4422662 (1983-12-01), Inoue et al.
Radmarkt publication, Nov. 19, 1976, p. 82.

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