US PATENT SUBCLASS 74 / 15.6-- .~ From shaft extension

US PATENT SUBCLASS 74 / 15.6
.~ From shaft extension

Current as of: June, 1999
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74 /	HD	MACHINE ELEMENT OR MECHANISM

11	DF	POWER TAKE-OFF {6}
15.6		.~ From shaft extension {3}
15.63	DF	.~.~> Prime mover shaft, e.g., crank shaft
15.66	DF	.~.~> Change speed transmission shaft
15.69	DF	.~.~> Vehicle propeller shaft

DEFINITION

Classification: 74/15.6

(under subclass 11) Devices in which either a prime mover shaft, a main power line shaft, or an auxiliary driven shaft is extended to constitute a power take-off.

(1) Note. The so-called "power take-off shaft" to be found on some type of tractors is considered to be an auxiliary driven shaft.

SEE OR SEARCH CLASS

403, Joints and Connections, appropriate subclasses for shaft couplings of a nonflexible type.

464, Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts, appropriate subclasses for a flexible coupling between a torque transmitting shaft and a driven member.