Apparatus for the transfer of linear human power to a...

Details Apparatus for the transfer of linear human power to a... Apparatus for the transfer of linear human power to a...

2007-12-04

2007-12-04

Nguyen, George B. (Department: 3609)

Land vehicles

Wheeled

Occupant propelled type

C280S242100, C280S243000, C280S246000, C280S087041

Reexamination Certificate

active

11428961

ABSTRACT:
An apparatus for the transfer of linear human power to a rotating member is disclosed, which is adaptable to exercise equipment, wheeled chairs, scooters, bicycles, tricycles, etc. The hands of the operator apply the power during the downward stroke of an up-and-down pumping action, and many of the operator's muscle groups are employed. Various drive ratios are provided, and the mechanism is simple with few components. A preferred embodiment is detailed in which the apparatus is used to propel a scooter.

REFERENCES:
patent: 5007655 (1991-04-01), Hanna
patent: 5272928 (1993-12-01), Young
patent: 5282640 (1994-02-01), Lindsey
patent: 5690346 (1997-11-01), Keskitalo
patent: 6179307 (2001-01-01), Mao
patent: 6554309 (2003-04-01), Thir
patent: 6708997 (2004-03-01), Chait
patent: 6916032 (2005-07-01), Wong
patent: 6942234 (2005-09-01), Chait

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