Amusement devices: toys – Rolling or tumbling – Wheeled vehicle
Reexamination Certificate
2005-05-10
2005-05-10
Banks, Derris H. (Department: 3722)
Amusement devices: toys
Rolling or tumbling
Wheeled vehicle
C446S445000, C446S431000
Reexamination Certificate
active
06890240
ABSTRACT:
A toy includes a body of a shape of any animal, automobile, etc. and a roller combined with the body and a shaft. The roller is made of a mixture of TPR (thermal plastic rubber) and white oil so as to give the roller some viscosity, having a plurality of lengthwise convex protrusions formed on its outer circumference, The shaft extends and fixed firmly in a center shaft hole formed in the roller, having two ends supported by two plates fixed on an inner wall of the body to let the roller roll together with the shaft. Then the toy can roll down on a slope or a vertical wall surface with slow speed caused by the roller's viscosity and the convex protrusions.
REFERENCES:
patent: 3810515 (1974-05-01), Ingro
patent: 3942285 (1976-03-01), Dehner
patent: 4764148 (1988-08-01), Wong
patent: 5746641 (1998-05-01), Wong
patent: 5916008 (1999-06-01), Wong
patent: 2196544 (1988-05-01), None
Banks Derris H.
Chen Sheng-Hsi
Liao Chu-Yuan
Rosenberg , Klein & Lee
Williams J
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