Tricycle

Details Tricycle Tricycle

1975-01-17

1976-02-17

Betts, Kenneth H.

Motor vehicles

Special wheel base

Five or more wheels

280112R, 267 57, B60G 902, B60G 1160

Patent

active

039386090

ABSTRACT:
A tricycle having a front and a rear frame swingingly connected with each other in an axis line longitudinal of a tricycle body and providing between both frames an elastic member serving to restore the front frame when it is leaned against the rear frame, which is adapted to make zero or minimum the increasing ratio of restoring force of the elastic member when the front frame is leaned under the predetermined angle of inclination, while, large when over the same angle, whereby the tricycle is made safe and improved in a turning efficiency.

REFERENCES:
patent: 2221196 (1940-11-01), Kldvik
patent: 2819093 (1958-01-01), Geiser
patent: 3504934 (1970-04-01), Wallis
patent: 3583727 (1971-06-01), Wallis

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