Land vehicles – Wheeled – Occupant propelled type
Patent
1987-07-27
1988-10-04
Pekar, John A.
Land vehicles
Wheeled
Occupant propelled type
384192, 384265, B65K 2524, F16G 2504
Patent
active
047751630
ABSTRACT:
A motorcycle has a frame, a front wheel and Y-shaped rockers attached to the axle of the front wheel on either side. Also attached to each rocker is a rigid fork which directly connects the rocker to the frame of the motorcycle and a springed fork which connects the rocker to shock absorbing means which are likewise mounted on the rigid fork. The springed fork is mounted to the rocker intermediate the points at which the rigid fork and axle are mounted to the rocker. The rigid fork is attached to the rocker using an adjustable, split spherical bearing which is attached and held to the rigid fork by a stud. This bearing arrangement engages a pair of bearing races which are held in two prongs of the Y-shaped rocker. Similarly, the springed fork has a stud passing therethrough which also holds a spherical bearing. The bearing engages a bearing race which is held within the rocker.
A brake caliper is pivotably mounted to the axle of the front wheel and has its top end connected to the rigid fork of the motorcycle by a reaction link. The reaction link is oriented so that when a downward force is applied along the rigid fork, the reaction link and brake caliper act to induce a force upward resisting the downward force. This configuration increases the effective resistance of the shock absorbing system of the motorcycle and provides for additional suspension during heavy braking of the motorcycle.
REFERENCES:
patent: 4184695 (1980-01-01), Roe et al.
patent: 4211454 (1980-07-01), Mitchell et al.
McGowan Thomas D.
Wentworth Steven W.
Cooper, III John C.
Harley-Davidson, Inc.
Pekar John A.
Sylke C. Thomas
Wiviott Fred
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