Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate
2011-08-02
2011-08-02
Hurley, Kevin (Department: 3611)
Land vehicles
Wheeled
Occupant propelled type
C280S253000, C280S257000
Reexamination Certificate
active
07988169
ABSTRACT:
A bicycle according to the present invention comprises of a steering axis and an axle of rear wheel that are attached in one unit with a frame to build a form; a pair of guide members with guide holes formed therein are attached to both cut ends of the frame; a pedal axle with the attachment of pedals and a rotating gear in a unit are respectively assembled and fixed onto the guide members; the bicycle according to the present invention comprises a crankshaft of which a pair of crank cams is assembled and fixed into both cut ends of the frame; a gear which engages with the gear; and a spindle which supports a unit of the gear and a sprocket to rotate; the bicycle according to the present invention is run by a running system in which the crank cam rotates when the pedals are reciprocated up and down.
REFERENCES:
patent: 4560182 (1985-12-01), Yamaguchi
patent: 6454287 (2002-09-01), Fujiwara et al.
patent: 7753387 (2010-07-01), Wei
patent: 7784808 (2010-08-01), Fan
patent: 2002/0093171 (2002-07-01), Chen
patent: 2010/0001487 (2010-01-01), Pang
patent: 2539697 (1984-07-01), None
patent: U 64-52894 (1989-03-01), None
patent: A 2001-199375 (2001-07-01), None
patent: A 2003-0009205 (2003-01-01), None
patent: A 10-2005-0092357 (2005-09-01), None
Baek Mi Ja
Baek Woon Ha
Greer Burns & Crain Ltd
Hurley Kevin
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