US PATENT SUBCLASS 186 / 7
.~.~ Self-propelled car systems

Current as of: June, 1999
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7.~.~ Self-propelled car systems

DEFINITION

Classification: 186/7

The propelling means is on the car in the form of a spring, electric, or other motor. In some cases the cars run on a closed track loop and distribute and collect selectively and automatically. In other cases the cars are switched selectively and automatically from the main line.

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104, Railways,

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