Motor vehicles – Steam traction engines
Patent
1974-08-22
1976-06-08
Wood, Jr., M. H.
Motor vehicles
Steam traction engines
74214, 180 34, 200 6185, 180 33C, 180 74, B62D 6102, B60K 1700, B62M 708
Patent
active
039616789
ABSTRACT:
This invention relates to a simple electric bicycle characterized in that a swing-arm is supported at a fulcrum provided at a position which is upper and outer side of a bicycle wheel and forward of a wheel axle in the freely swingable manner, the arm is provided with a motor at a position where a swinging circular arc of the swing-arm and an outer periphery of the wheel intersect each other, a driving roller is put around a motor shaft to convey a driving force of the motor to the wheel by contacting with a tire, and thereby a proper driving force can be obtained in proportion to a load.
REFERENCES:
patent: 676409 (1901-06-01), Berger
patent: 1191287 (1916-07-01), Devaux
patent: 2409887 (1946-10-01), Murphy
patent: 2708484 (1955-05-01), Hoffman
patent: 2717654 (1955-09-01), Andersen
patent: 3339659 (1967-09-01), Wolf
patent: 3773131 (1973-11-01), Jaulmes
patent: 3841428 (1974-10-01), Bialek
Hirano Yukio
Iwata Akio
Mitsubadenkiseisakusho Company, Ltd.
Silverstrim John P.
Wood, Jr. M. H.
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