Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate
2008-09-16
2008-09-16
Morris, Lesley D. (Department: 3611)
Land vehicles
Wheeled
Occupant propelled type
C280S276000
Reexamination Certificate
active
11368311
ABSTRACT:
A steerable leveraged suspension suitable for a bicycle or electric Bicycle of motorized wheel hub design. Comprising of a vertical fork, which attaches to a bicycle frame front neck tube. The lower portion of said vertical fork is curved at its bottom to the rear of the frame neck head tube centerline, so as to improve steering trail geometry. The bottom of the curved fork is a pivot point to which pivot arms are attached. To the pivot arms the front wheel is attached forward of the pivot points by means of slots to which the front wheel Axel shaft fits into. Also two leveraging pivot arm extensions are attached. The leveraging arms provide a means of suspension leverage and a mounting point for brakes. For the purpose of suspension are rubber cord (bungee cord) and a compression damping spring of gas charge type.
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Bob Greene and Editors of Motorcyclist Magazine Motorcycle Repair Manual (Revised Edition) Copyright by Petersen publishing.
Library Congress Catalog No. 72-85366 p. 237 Trail Measurement / 223 Earls Fork.
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