US PATENT SUBCLASS 242 / 419.2
.~.~.~ Coil diameter sensor


Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

410  DF  TENSION CONTROL OR BRAKE {3}
416  DF  .~ Supply controlled {6}
419  DF  .~.~ Drag on running material {6}
419.2.~.~.~ Coil diameter sensor


DEFINITION

Classification: 242/419.2

Coil diameter sensor:

(under subclass 419) Subject matter wherein the means to apply a retarding force against the running material is regulated in response to a detector actuated by a change in the radial dimension of a roll of material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

334.5, for a coil diameter sensor for regulating the speed or tension in an information-bearing carrier.

413.2, for a take-up coil diameter sensor for regulating the tension being wound onto the coil.

421.2, for a supply coil diameter sensor for regulating a supply coil brake.