US PATENT SUBCLASS 242 / 422.2
.~.~.~ Fluid or magnetic brake or operator

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


242 /   HD   WINDING, TENSIONING, OR GUIDING

410  DF  TENSION CONTROL OR BRAKE {3}
416  DF  .~ Supply controlled {6}
422  DF  .~.~ Yieldable coil brake {5}
422.2.~.~.~ Fluid or magnetic brake or operator

DEFINITION

Classification: 242/422.2

Fluid or magnetic brake or operator:

(under subclass 422) Subject matter wherein the brake member or an associated actuator relies on either: (a) liquid or gaseous pressure, or (b) a metallic component subject to a magnetic flux, to retard rotation of the delivery coil.

SEE OR SEARCH CLASS

254, Implements or Apparatus for Applying Pushing or Pulling Force, particularly

377, for a fluid resistance brake associated with the drum of a hoist or winch.