Land vehicles – Wheeled – Coasters
Reexamination Certificate
2000-08-08
2001-02-27
Camby, Richard M. (Department: 3618)
Land vehicles
Wheeled
Coasters
C280S087050
Reexamination Certificate
active
06193248
ABSTRACT:
BACKGROUND AND SUMMARY OF THE INVENTION
The present invention relates to kick scooters, and more specifically to a detachable coupling block and base frame mounting arrangement, which enables a coupling block to be detachably fastened to a base frame for kick scooter to receive a head frame unit for kick scooter.
A regular kick scooter, as shown in
FIG. 1
, comprises generally a base frame
91
, a head frame unit
92
, a front wheel
93
, a rear wheel
94
, and a connecting frame
96
. The head frame unit
92
is supported on the front wheel
93
, and holds a handlebar
921
for steering control. The connecting frame
96
has a front end welded to the head frame unit
92
, and a forked rear end
961
coupled to a coupling block
97
at the front side of the base frame
91
by a pivot
960
. The rear wheel
94
is mounted on the rear side of the base frame
91
. The coupling block
97
is welded to the front side of the base frame
91
at the top. The head frame unit
92
can be turned with the connecting frame
96
relative to the coupling frame
97
and the base frame
91
between the operative position and the non-operative position. Further, lock means (not shown) is controlled to lock the head frame unit
92
in the operative or non-operative position. This structure of kick scooter has drawbacks. Because the coupling block
97
is welded to the front side of the base frame
91
at the top, much toxic gas is produced when welding the coupling block
97
to the base frame
91
. Because the coupling block
97
is welded to the front side of the base frame
91
at the top, it is difficult to control the quality of the kick scooter. Further, because the coupling block
97
is welded to the front side of the base frame
91
, the coupling block
97
is not detachable, and the finished kick scooter requires much storage space and packing material during its delivery from the factory or warehouse to the distributor.
The present invention has been accomplished to provide a detachable coupling block and base frame mounting arrangement, which eliminates the aforesaid problem. According to the present invention, the detachable coupling block and base frame mounting arrangement comprises a base frame adapted to hold a rear wheel a coupling block detachably mounted on a front side of the base frame and adapted to receive a connecting frame of a head frame unit for kick scooter, enabling the head frame unit to be pivoted to the base frame and turned with the connecting frame between the operative position and the non-operative position, and a sliding locking block slidably inserted into a longitudinal sliding groove in the base frame to lock the coupling block. Because no welding process is used, no toxic gas is produced during the assembly of the detachable coupling block and base frame mounting arrangement. Furthermore, because the coupling block is detachably mounted on the base frame and then locked by the sliding locking block, the sliding locking block, the coupling block and the base frame can be detached from one another to minimize delivery or storage space, and to reduce the consumption of packing material.
REFERENCES:
patent: 5419572 (1995-05-01), Ballotte
patent: 5846660 (1998-12-01), McGreen
patent: 6120044 (2000-09-01), Tsai
patent: 596064 (1925-10-01), None
patent: 264987 (1927-02-01), None
Camby Richard M.
Varndell & Varndell PLLC
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