Adjustable weights for model race car

Details Adjustable weights for model race car Adjustable weights for model race car

2009-10-01

2011-12-27

Nguyen, Kien (Department: 3711)

Amusement devices: toys

Aerodynamically supported or retarded

Glider

C446S469000

Reexamination Certificate

active

08083565

ABSTRACT:
An adjustable weight system and method for adjusting the center of gravity and front and rear axle weights of a model race car. The adjustable weight system includes a cylinder having screw threads that are configured to form complemental threads in a surface surrounding a bore of an object that the cylinder is placed within. The cylinder is configured to engage a tool for adjustably positioning the cylinder within the bore and forming the complemental threads. The methods for adjusting the center of gravity and front and rear axle weights each include selecting a desired center of gravity location, front axle weight, or rear axle weight, placing at least a front or rear wheel of the car on a scale, and moving an adjustable weight on the car's chassis until the desired and actual center of gravity, front axle weight, or rear axle weight are approximately equal.

REFERENCES:
patent: 2599957 (1952-06-01), Walker
patent: 3839818 (1974-10-01), Heggedal
patent: 5281179 (1994-01-01), Wu
patent: 5383805 (1995-01-01), Tsai
patent: 6774294 (2004-08-01), Kugimoto et al.
patent: 2007/0238390 (2007-10-01), Kelderhouse et al.

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