Collapsible skateboard

Land vehicles – Wheeled – Coasters

Reexamination Certificate

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Details

C280S014230, C280S278000, C016S359000, C403S092000

Reexamination Certificate

active

06206387

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention is related to an improvement in the structure of a collapsible skateboard.
2. Description of the Prior Art
The conventional skateboard with an upright handle is fixed in structure so that it is difficult to carry. Hence, a collapsible skateboard has been developed to obviate this drawbacks. However, such a collapsible skateboard is complicated in structure and expensive in cost. Furthermore, the handle of the collapsible skateboard cannot be kept at a fixed position, thereby making it inconvenient to use.
SUMMARY OF INVENTION
Therefore, it is an object of the present invention to provide an improved collapsible skateboard which can obviate and mitigate the above-mentioned drawbacks.
This invention is related to an improvement in the structure of a collapsible skateboard.
It is the primary object of the present invention to provide a collapsible skateboard which includes an upright handle having a lower portion on which is fixedly mounted a bracket, a connector having a curved slot having a lower end formed with a horizontal recess, an upper end formed with a vertical recess, and a circular hole under the vertical recess, an adjust pin inserted into the vertical recess of the connector and the elongated hole of the bracket, a pivot pin fitted through the circular hole of the connector and the circular hole of the bracket, a spring having an upper end connected to the adjust pin and a lower end to the pivot pin, and a platform on which is fixedly mounted the connector.
It is another object of the present invention to provide a collapsible skateboard wherein the connection is a U-shaped member having two upwardly extending lugs each formed with the curved slot.
It is still another object of the present invention to provide a collapsible skateboard further comprising a control mechanism which includes a cylindrical member pivotally mounted on the bracket and having an end extending out of the bracket to fixedly connect with a lever and a hook extending downwardly within the bracket to engage with the adjust pin.
It is still another object of the present invention to provide a collapsible skateboard which can be easily folded as desired.
It is a further object of the present invention to provide a collapsible skateboard which is simple in construction.


REFERENCES:
patent: 1297282 (1919-03-01), White
patent: 1391312 (1921-09-01), Gebhardt
patent: 1658068 (1928-02-01), White
patent: 1687953 (1928-10-01), Starks
patent: 1968975 (1934-08-01), Upsacker et al.
patent: 2546711 (1951-03-01), Amendt
patent: 3396928 (1968-08-01), Lay
patent: 4707884 (1987-11-01), Chang
patent: 4735392 (1988-04-01), Farmer
patent: 4905946 (1990-03-01), Wang
patent: 5102079 (1992-04-01), Lee
patent: 5183129 (1993-02-01), Powell
patent: 5437425 (1995-08-01), Hou
patent: 5927733 (1999-07-01), Banda

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