Bicycle or tricyle

Details Bicycle or tricyle Bicycle or tricyle

1987-06-10

1989-05-02

Marmor, Charles A.

Land vehicles

Wheeled

Occupant propelled type

74 68, 474 88, B62M 102

Patent

active

048261912

ABSTRACT:
A velocipede such as a bicycle or tricycle includes a drive sprocket mounted on a frame for adjustment between a plurality of positions defining an arcuate path having an axis of curvature. A second sprocket is rotatably mounted on the axis and is coupled to the drive sprocket by a first chain. A third sprocket is mounted coaxially with and is coupled to the second sprocket for rotation therewith. A fourth sprocket is mounted on the rear wheel and coupled to the third sprocket by a second drive chain.

REFERENCES:
patent: 387979 (1888-08-01), Latta
patent: 393837 (1888-12-01), Kibbe
patent: 401295 (1889-04-01), Norton
patent: 426855 (1890-04-01), Reed
patent: 536647 (1895-04-01), Nichols
patent: 579970 (1897-04-01), Fenton
patent: 672438 (1901-04-01), Black
patent: 789580 (1905-05-01), Trainor
patent: 984953 (1911-02-01), Matthews
patent: 1360032 (1920-11-01), Schiffner
patent: 1535714 (1925-04-01), Burke
patent: 1559276 (1925-10-01), Nelson
patent: 2248313 (1941-07-01), Stevens
patent: 2602677 (1952-07-01), Connolly
patent: 3614130 (1971-10-01), Forse

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