U.S. patents available from 1976 to present.
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Class 476 - Friction gear transmission systems or components

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74 Subclasses


Subclasses list

Definition

This is the class for friction gear power transmission and elements thereof, such transmission being defined as an assembly of parts wherein rotary motion is transmitted from an input body to an output body by surface friction of rolling contact between parts associated with said input and output bodies.

(1) Note. A nominal recitation of a device for applying power to, or receiving power from, a structure of this class will not exclude a patent from being placed in this class.

Lines with other classes and within this class

A method or apparatus for manufacturing a device of this class is not found in Class 476, but is found in an appropriate manufacturing class. See, for example, Class 29, Metal Working, subclasses 893+ and other subclasses in Class 29 directed to process and apparatus of mechanical manufacture.
 
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