Skateboard

Details Skateboard Skateboard

1992-05-15

1994-05-10

Mitchell, David M.

Land vehicles

Wheeled

Occupant propelled type

280 11115, 280254, 280 87042, A63C 1712, B62M 104

Patent

active

053102029

ABSTRACT:
A skateboard is provided with a low profile and a simplified mechanism for driving the same without interfering with skateboard steering. A narrow drive belt is entrained about a centrally located pulley integrally mounted on a shaft carrying forward wheels including an overrunning clutch mechanism. A pedal mounted on the front of the board drives a horizontally displaceable rack via an intermediate cam member which provides a variable velocity. The rack in turn drives pinions operative for winding the drive belt around a pulley against spring tension applied at the remote end of the belt. The belt may also be entrained about a rear wheel pulley for empowering the rear wheels of the board.

REFERENCES:
patent: 525270 (1894-08-01), Kitchen
patent: 3285618 (1966-11-01), Welch
patent: 3399906 (1968-09-01), Portnoff
patent: 3415540 (1968-12-01), Portnoff
patent: 4411442 (1983-10-01), Rills
patent: 4602801 (1986-07-01), Vincent
patent: 4861054 (1989-08-01), Spital et al.
patent: 4915403 (1990-04-01), Wild et al.

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