Land vehicles – Wheeled – Coasters
Reexamination Certificate
2000-06-19
2001-08-21
Hurley, Kevin (Department: 3619)
Land vehicles
Wheeled
Coasters
Reexamination Certificate
active
06276701
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a scooter, and more particularly to a scooter having a safety folding mechanism.
2. Description of the Prior Art
Various kinds of scooters have been developed and include a foldable mechanism for folding the scooter to the compact folding and storing structure. U.S. Pat. No. 1,664,858 to Headley discloses one of the typical folding mechanisms for the typical scooters. However, the folding mechanism may be folded to the compact folding structure inadvertently when the actuating lever or the actuating ears are inadvertently kicked or depressed by the users, particularly the children.
The present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional scooters.
SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a scooter including a safety and solid folding mechanism for solidly retaining the scooter in the open or working position and for preventing the scooter from being folded to the compact folding structure inadvertently.
In accordance with one aspect of the invention, there is provided a scooter comprising a base including a rear portion having at least one wheel attached thereto, and including a front portion, a block secured on the front portion of the base and including a first groove formed therein, a handlebar, a tube rotatably engaged on the handlebar, the tube including an arm extended therefrom and pivotally secured to the block at a pivot shaft, the arm including at least one oblong hole formed therein, a rod slidably received in the oblong hole of the arm and movable to engage with the first groove of the block, and means for biasing the rod to engage with and to engage into the first groove of the block and to secure the arm and the handlebar to the base at an open working position.
The arm includes a barrel provided thereon, the biasing means includes a post slidably received in the barrel and secured to the rod, and a spring engaged with the post for biasing the post and the rod to engage into the first groove of the block. The post includes a first end having a screw hole formed therein, the rod includes a fastener provided thereon and threaded with the screw hole of the post for securing the rod to the post.
The post includes a knob provided thereon for moving the post against the spring and for disengaging the rod from the first groove of the block. The arm includes a pair of panels parallel to each other, the panels each includes an oblong hole formed therein for slidably receiving the rod. The block further includes a second groove formed therein for receiving the rod when the rod is disengaged from the first groove of the block. The block includes a curved surface formed between the first groove and the second groove of the block for allowing the rod to be smoothly moved between the first groove and the second groove of the block. The first groove of the block is preferably parallel to the pivot shaft.
Further objectives and advantages of the present invention will become apparent from a careful reading of a detailed description provided hereinbelow, with appropriate reference to accompanying drawings.
REFERENCES:
patent: 1664858 (1928-04-01), Headley
patent: 6193248 (2001-02-01), Liu
patent: 6206387 (2001-03-01), Tsai
patent: 6234501 (2001-05-01), Chen
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