Bicycle with a pivotable rear wheel

Details Bicycle with a pivotable rear wheel Bicycle with a pivotable rear wheel

1978-01-09

1981-03-17

Silverstrim, John P.

Land vehicles

Wheeled

Occupant propelled type

280265, 280268, 280271, 280288, B62K 2110, B62K 2500

Patent

active

RE0305472

ABSTRACT:
A two wheeled, rider propelled vehicle having both wheels pivotably mounted upon a medial principal frame. The pivotable rear wheel frame supports pedal mechanism propelling the rear wheel and may be steered by the feet of the user. Mechanical biasing means communicate between the pivotable rear wheel frame and main frame to bias motion and a latching mechanism allows fixed positioning of the two members. A vertically adjustable seat is fixedly carried by the principal frame and the forward portion of the vehicle provides a traditional manually steerable, pivotably mounted front wheel frame.

REFERENCES:
patent: 86235 (1869-01-01), Laubach
patent: 88205 (1869-03-01), Plass
patent: 94056 (1869-08-01), Allen
patent: 205921 (1878-07-01), Stafford
patent: 228996 (1880-06-01), Hosea
patent: 311687 (1885-02-01), Swain
patent: 596275 (1897-12-01), Libbey
patent: 602034 (1898-04-01), Murphy
patent: 704029 (1902-07-01), Griffiths
patent: 1873047 (1932-08-01), Schimmel
patent: 3062559 (1962-11-01), Hewitt
patent: 3069182 (1962-12-01), Hufford
patent: 3620547 (1971-11-01), Vaverek

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