In-line skate

Details In-line skate In-line skate

2005-01-25

2005-01-25

Phan, Hau (Department: 3618)

Land vehicles

Skates

Wheeled skate

C280S011270

Reexamination Certificate

active

06845990

ABSTRACT:
An in-line skate includes a skate frame, front and rear wheels mounted rotatably on the skate frame, and a middle wheel assembly including at least two middle wheels, each of which is mounted rotatably on the skate frame between the front and rear wheels, is aligned with the front and rear wheels, and is rotatable about a rotation axis defined by the middle wheel. Each middle wheel further defines a wheel center and an inclined plane that passes through the wheel center and that is perpendicular to the rotation axis. The inclined plane is inclined relative to a vertical plane perpendicular to a ground plane by an acute angle. The front and rear wheels are inclined in the same direction as the middle wheels.

REFERENCES:
patent: 1975661 (1934-10-01), Powell
patent: 3885804 (1975-05-01), Cudmore
patent: 4323259 (1982-04-01), Boudreau
patent: 5303940 (1994-04-01), Brandner
patent: 5566957 (1996-10-01), Ho
patent: 6003882 (1999-12-01), Colonese et al.
patent: 6173975 (2001-01-01), Brandner
patent: 6398230 (2002-06-01), Rudolph

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