Land vehicles – Wheeled – Coasters
Utility Patent
2000-05-31
2001-01-02
Johnson, Brian L. (Department: 3618)
Land vehicles
Wheeled
Coasters
C280S087042, C280S263000, C280S270000
Utility Patent
active
06168175
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to kick scooters, and more particularly to a combination frame structure for a kick scooter.
FIG. 1
shows a kick scooter according to the prior art. The frame structure of this structure of kick scooter is generally comprised of a handlebar and front fork assembly A, a footplate C, an oblique bar B and a rear wheel holder frame D. The handlebar and front fork assembly A is supported on a front wheel. The oblique bar B has a front end welded to a head tube at the handlebar and front fork assembly A, and a rear end welded to the footplate C. The footplate C has a rear end welded to the rear wheel holder frame D. This kick scooter frame structure has drawbacks. Because the head tube at the handlebar and front fork assembly A, the oblique bar B, the footplate C and the rear wheel holder frame D are respectively fastened together by welding, the fabrication procedure of the kick scooter is complicated, and the welding procedure greatly increases the manufacturing cost of the kick scooter. During welding, waste gas is produced to pollute the air, and produced sparks, bright light and heat may cause damage to the worker's eyes or body. After welding, the welding areas E must be washed with diluted sulfuric acid and clean water, and then polished after washing. Further, the welding areas E wear quickly with the use of the kick scooter, and tend to be forced to break when the kick scooter moves over an uneven road surface or encounters impact.
SUMMARY OF THE INVENTION
The present invention provides a combination frame structure for a kick scooter, which eliminates the aforesaid drawbacks. It is one object of the present invention to provide a combination frame structure for a kick scooter, which is easy and inexpensive to manufacture. It is another object of the present invention to provide a combination frame structure for a kick scooter, which eliminates a welding process. It is still another object of the present invention to provide a combination frame structure for a kick scooter, which is strong and durable in use. According to one aspect of the present invention, the kick scooter combination frame structure comprises a handlebar and front fork assembly holding a front wheel, a head frame, the head frame having a vertical tube coupled to the handlebar and front fork assembly and two parallel lugs extended from the periphery of the vertical tube, and a footplate pivoted to the head frame and supported on a rear wheel, the footplate having a front opening, which receives the lugs of the head frame, and two longitudinal mounting rails perpendicularly raised from a bottom side wall thereof, the mounting rails each having a plurality of mounting holes respectively fastened to respective mounting holes on the lugs of the head frame by screw bolts. According to another aspect of the present invention, two reinforcing ribs are respectively fastened to the mounting rails and the lugs of the head frame to reinforce the structural strength of the combination frame structure.
REFERENCES:
patent: 1227888 (1917-05-01), Converse
patent: 1279966 (1918-09-01), Baker
patent: 1563766 (1925-12-01), McLaren
patent: 1658068 (1928-02-01), White
patent: 1689916 (1928-10-01), Fisher
patent: 1701410 (1929-02-01), Hornquist
patent: 1707831 (1929-04-01), Wayerski
patent: 1844305 (1932-02-01), White
patent: 2439556 (1948-04-01), Bancroft
patent: 2474946 (1949-07-01), Kinslow
patent: 3140100 (1964-07-01), Nichols et al.
patent: 4179134 (1979-12-01), Atkinson
patent: 4203610 (1980-05-01), Mihalik
patent: 4204698 (1980-05-01), Mihalik
patent: 4274647 (1981-06-01), Drake, Jr.
patent: 4775162 (1988-10-01), Chao
patent: 4799701 (1989-01-01), Lindau et al.
patent: 4799702 (1989-01-01), Wang
Johnson Brian L.
Pro-Techtor Inter-national Services
Sliteris Joselyn Z.
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