Land vehicles – Wheeled – Coasters
Reexamination Certificate
1999-05-14
2001-03-27
Johnson, Brian (Department: 3618)
Land vehicles
Wheeled
Coasters
Reexamination Certificate
active
06206388
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a scooter board, and more particularly, to a scooter board having a control bar extending from the top surface thereof which has two rods extending therefrom and connected to a transverse plate connected to the two links, when pushing the control bar the two front wheels connected to the links turn and will return to their original position when releasing the control bar.
BACKGROUND OF THE INVENTION
A conventional scooter board generally has a board with two front wheels and a rear wheels connected to the bottom thereof, a handle extending from the front end so as to control the turning movement. The handle has to be adjustable so that different users may properly hold the handle and control the directions to turn. If the handle is too low or too high for the user, it is difficult to operate the scooter board properly. However, a high manufacturing cost is incurred because it needs a complicated structure to let the handle to be adjustable. In addition, the user has to hold the handle firmly so that the direction of the movement of the scooter board can be kept. In order to hold the handle, both of the user's hands are used so that the user is limited to perform other action.
The present invention intends to provide a scooter board which is suitable for various persons to use, especially since the control bar needs only one hand to hold it so that the structure of the control system is simplified and the user is allowed to perform other actions with the other hand.
The present invention provides a scooter board which has a simple structure and is easily to operate so that the inherent shortcomings of the conventional scooter board can be mitigated.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a scooter board comprising a board with a rear wheel and two branches extending inclinedly downward from the front end thereof. A control bar extends upwardly from the front end of the board and has two rods extending therefrom. A transverse plate located between the two branches has a protrusion extending from the mediated point thereof and is clamped between the two rods by a ring. Two links each have the first end thereof pivotally connected to the two respective ends of the transverse plate. The two links are pivotally connected to the two branches at the two respective second ends thereof. Two front wheels are respectively connected to the two links. The directions that the two front wheels turn can be handled by pushing the control bar so as to shift the transverse plate and pivot the two links.
It is an object of the present invention to provide a scooter board wherein the directions that the two front wheels turn are controlled by pushing the control bar extending from the front end of the board.
Another object of the present invention is to provide a scooter board wherein the control bar fits different users' size and is easily to operate.
These and further objects, features and advantages of the present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, several embodiments in accordance with the present invention.
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patent: 3539196 (1970-11-01), Fleming
patent: 3704897 (1972-12-01), Bagge et al.
patent: 3751062 (1973-08-01), White, Sr.
patent: 4775162 (1988-10-01), Chao
patent: 5704623 (1998-01-01), Chapman
patent: 0304585 (1989-03-01), None
Baxley Charles E.
Fischmann Bryan
Johnson Brian
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