US PATENT SUBCLASS 310 / 75 D-- .~.~.~.~ Flexible shaft or coupling and hollow shaft drive

US PATENT SUBCLASS 310 / 75 D
.~.~.~.~ Flexible shaft or coupling and hollow shaft drive

Current as of: June, 1999
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310 /	HD	ELECTRICAL GENERATOR OR MOTOR STRUCTURE

10	DF	DYNAMOELECTRIC {5}
40 R	DF	.~ Rotary {28}
66	DF	.~.~ With other elements {7}
75 R	DF	.~.~.~ Drive mechanism {9}
75 D		.~.~.~.~ Flexible shaft or coupling and hollow shaft drive

Unofficial Alpha Subclasses: R A B C D

DEFINITION

Classification: 310/75

(under subclass 66) Subject matter in which the other element is a drive mechanism.

SEE OR SEARCH THIS CLASS, SUBCLASS:

118+, for similar subject matter.

SEE OR SEARCH CLASS

123, Internal-Combustion Engines,

149, for internal combustion engines having generator igniting devices which are driven by the engine. 246, Railway Switches and Signals,

245, for electric railway switching and signaling systems having a car actuated generator.

318, Electricity: Motive Power Systems,

9+, for this subject matter having a significant electric circuit.