Motor vehicles – Special wheel base – Having only three wheels
Reexamination Certificate
2009-07-20
2010-11-02
To, Toan C (Department: 3616)
Motor vehicles
Special wheel base
Having only three wheels
C180S211000, C180S213000, C180S214000, C280S062000
Reexamination Certificate
active
07823675
ABSTRACT:
Drifting karts in accordance with embodiments of the invention are described that include a front wheel drive train and rear caster wheels that can be dynamically engaged to induce and control drift during a turn. One embodiment of the invention includes a chassis to which a steering column is mounted, where the steering column includes at least one front steerable wheel configured to be driven by an electric motor, a battery housing mounted to the chassis, where the battery housing contains a controller and at least one battery, wiring configured to provide power from the at least one battery to the electric motor, two caster wheels mounted to the chassis, where each caster wheel is configured to rotate around a rotational axis and swivel around a swivel axis, and a hand lever configured to dynamically engage the caster wheels to induce and control drift during a turn.
REFERENCES:
patent: 4403673 (1983-09-01), Ball
patent: 5257671 (1993-11-01), Watkins
patent: 5628379 (1997-05-01), Watkins
patent: 5904218 (1999-05-01), Watkins
patent: 7712558 (2010-05-01), Helson et al.
patent: 2004/0040769 (2004-03-01), Richey et al.
patent: 2007/0045022 (2007-03-01), Greig et al.
patent: 2008/0196951 (2008-08-01), Gal et al.
Kauth, Pomeroy, Peck & Bailey LLP
To Toan C
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