Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate
2006-07-11
2006-07-11
Boehler, Anne Marie (Department: 3611)
Land vehicles
Wheeled
Occupant propelled type
C180S210000
Reexamination Certificate
active
07073806
ABSTRACT:
A three-wheel rolling vehicle with front two-wheel steering comprising a frame (13), a handlebar (16), a rear wheel (12) rotating with respect to the frame (13) and a steering group which operates two front wheels (14, 15), in which two horizontal crossbars (21, 22) are foreseen, connected through hinges (40–43) of the side tubes (36, 37) and through additional hinges (23, 24) to the frame (13), the tubes (36, 37) rotatably supporting steering tubes (31, 32).
REFERENCES:
patent: 4020914 (1977-05-01), Trautwein
patent: 4072325 (1978-02-01), Bright et al.
patent: 4351410 (1982-09-01), Townsend
patent: 6367824 (2002-04-01), Hayashi
patent: 6817617 (2004-11-01), Hayashi
patent: 4139725 (1993-06-01), None
Boehler Anne Marie
Costigan James V.
Hedman & Costigan ,P.C.
Piaggio & C. S.p.A.
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