Land vehicles – Wheeled – Coasters
Reexamination Certificate
2008-05-27
2008-05-27
Ellis, Christopher P. (Department: 3618)
Land vehicles
Wheeled
Coasters
C280S639000, C280S647000, C280S220000
Reexamination Certificate
active
07377528
ABSTRACT:
The inventive device includes a tricycle frame comprising a front wheel steering mechanism, the left and right trailing arms with folding mechanism, the left and right rear wheel brake systems, and a cambering mechanism. The improvements have been made to the construction and operation of cambering mechanism, the trailing arm folding and locking mechanism and the handlebar. It provides better maneuverability and stability during cambering maneuver, easier operation of folding, and quick assembly and disassembly of a one-piece handlebar. This is achieved through an original cambering mechanism with a rocking-bar connecting spherical bearings and a polymer energy-storing element, and an original, easy to operate and anti-disengagement sleeve-type folding mechanism, and a one-piece steering handlebar with quick handlebar locking mechanism.
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patent: 3979136 (1976-09-01), Lassiere
patent: 6827358 (2004-12-01), Beleski, Jr.
patent: 2002/0050695 (2002-05-01), Feng
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Ellis Christopher P.
Meyer Katy
LandOfFree
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