Land vehicles – Wheeled – Coasters
Reexamination Certificate
2000-06-05
2001-02-06
Camby, Richard M. (Department: 3618)
Land vehicles
Wheeled
Coasters
C280S087042
Reexamination Certificate
active
06182985
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention is a continuation-in-part of U.S. patent application Ser. No. 09/517,335, filed Mar. 2, 2000.
1. Field of the Invention
The present invention relates to a steering device of a skateboard, and more particularly, to a restoring device of a frame for a skateboard by means of a soft packing ring.
2. Description of the Prior Art
The steering device of a broadly used conventional skateboard is structurally the same to that of bicycles or cars, that is, they make use of turning the handle or the steering wheel to enable the coupled wheel assembly to carry out a direct direction-turning movement. Though this is a very common technique and can reach the steering effect, it's uneasy to hold the handgrip
10
with one hand in turning the direction, especially for the beginner or the user unfamiliar therewith, because it is an exercise apparatus (or called toy) with small volume. An excessive or insufficient turning movement is easily caused.
SUMMARY OF THE INVENTION
It is a main object of the present invention to provide a restoring device of a frame for a skateboard wherein the steering device makes use of the right or left shift of the steering handle or the body gravity of the users to reach a simultaneous side-sloping effect so that the wheels can be easily turned. In addition, a soft packing ring can be used to restore the frame when the side-sloping external force disappears.
REFERENCES:
patent: 1637129 (1927-07-01), Pritchet
patent: 1706048 (1929-03-01), Van De Mark
patent: 4552372 (1985-11-01), Jones
patent: 5165711 (1992-11-01), Tsai
patent: 5820146 (1998-10-01), Van Ligten
patent: 5954349 (1999-09-01), Rutzel
patent: 0590809 (1925-06-01), None
Wang Leao
Wu Peter
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