Land vehicles – Wheeled – Occupant propelled type
Patent
1996-09-04
1998-01-13
Boehler, Anne Marie
Land vehicles
Wheeled
Occupant propelled type
280298, 301111, 301114, B62H 112
Patent
active
057070695
ABSTRACT:
This invention is a side wheel attachment for removably attaching an auxiliary side wheel to a bicycle. The side wheel attachment comprises a single structural rod which is folded in the desired shape, i.e. forms a helical torsion spring. In natural unbiased condition, the first and second ends of the spring rod extend generally perpendicularly to one another. The first end of the spring is inversely U-shaped and tangentially engages by its web the rear axle of the bicycle where it can be fixed after adjusting its vertical position relative to the bicycle. The second end of the spring rod is rotatably engaged by the auxiliary side wheel, therefore acting as its axle. Both ends can angularly move relative to one another due to the helical spring. Therefore, in use, both auxiliary side wheels (installed on one side and the other of the rear bicycle wheel) and the rear bicycle wheel loaded by a bicycle rider, always stay in contact with the ground so as to accomplish their respective tasks. The novelty of this invention resides in the structural simplicity of the side wheel attachment which is, as previously stated, constructed from a single structural rod.
REFERENCES:
patent: 1011334 (1911-12-01), Ewald
patent: 2450979 (1948-10-01), Moller
patent: 2717807 (1955-09-01), Kapp
patent: 2723133 (1955-11-01), Pawsat
patent: 2793877 (1957-05-01), Meier
patent: 2828141 (1958-03-01), Erstad et al.
patent: 4288090 (1981-09-01), Muller
patent: 5492354 (1996-02-01), Rainey
Boehler Anne Marie
Brevets Futek-M.S.M. Ltee.
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