US PATENT SUBCLASS 474 / 70
.~ Condition responsive (e.g., responsive to speed, load, etc.)


Current as of: June, 1999
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474 /   HD   ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS

69  DF  CONTROL FOR VARIABLE INPUT TO OUTPUT SPEED-RATIO {7}
70.~ Condition responsive (e.g., responsive to speed, load, etc.)


DEFINITION

Classification: 474/70

Condition responsive (e.g., responsive to speed, load, etc.):

(under subclass 69) Subject matter including means which senses a condition or change of condition; and, in response thereto, said means acts to change the number or fractional number of revolutions made by the output load driving member for each revolution of the input member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

11+, 17+, 50, and 109, for other arrangements using a load or speed responsive actuator in a belt and pulley drives system. [figure]