Tricycle

Details Tricycle Tricycle

1991-09-20

1993-08-31

Mitchell, David M.

Land vehicles

Wheeled

Occupant propelled type

280261, 280287, 280282, 280259, 2801122, B62K 502

Patent

active

052402673

ABSTRACT:
A tricycle (20) disclosed includes a front section (22) and rear section (24). The front section (22) is articulated with respect to the rear section (24) so that the front section (22) can be leaned with respect to the rear section (24) from a normal orientation to lean orientation. A caliper assembly (70) interconnects the front and rear sections (22,24) at the point of articulation and includes arms (72,74) which spread when the front section (22) is leaned with respect to the rear section (24). A biasing member (76) connected to the spreadable arms (72,74) biases the arms together to obviate lean orientation. The front section (22) includes a steerable drive wheel (42) including a hub (44), a central sprocket (34) spaced from the hub (44) and an endless belt (48) interconnecting the hub (44) with the sprocket (48) to provide front wheel drive unaffected by drive apparatus. Rear wheels (86,88) are adjustably spaceable by the movement of frame arms (82,84).

REFERENCES:
patent: 3311388 (1967-03-01), Ryan et al.
patent: 3583727 (1971-06-01), Wallis
patent: 3698502 (1972-10-01), Patin
patent: 4432561 (1984-02-01), Feikema et al.
patent: 4540192 (1985-09-01), Shelton
patent: 4789173 (1988-12-01), Lofgren et al.
patent: 4799704 (1989-01-01), Colarusso

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