Motorcycle front wheel suspension system

Details Motorcycle front wheel suspension system Motorcycle front wheel suspension system

1978-01-13

1979-12-18

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Occupant propelled type

280660, B62K 1112

Patent

active

041791355

ABSTRACT:
A suspension system for the front wheel of a motorcycle wherein a fork that carries the front wheel is connected to the frame in a manner that the steering axis of the fork in response to front wheel deflection by bumps is displaced parallel to itself relative to the frame. A specific example of such a suspension mechanism is a double A-arm connection. Handlebars are rotatably mounted to the frame. A connection between the handlebars and the fork is made in a manner so only rotation of the handlebars will cause rotation of the fork about its steering axis, and the connection does not affect suspension movement of the wheel relative to the frame. Examples of the steering connection are a folding bar and a hydraulic system.

REFERENCES:
patent: 91682 (1869-06-01), Smith
patent: 205134 (1923-10-01), Herds
patent: 946143 (1910-01-01), Levedahl
patent: 1320282 (1919-10-01), Scott
patent: 3521904 (1970-07-01), Sheffer
patent: 3883152 (1975-05-01), deCarbon
patent: 4037855 (1977-07-01), Smith
patent: 4082307 (1978-04-01), Tait
Cycle, p. 19, 1978 issue.
Bicycles and Tricycles, by Sharp, MIT Press, 1977, pp. 296, 297.

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