.~.~ Pulley support movable through building opening {2}
119.09
.~.~.~ With loop tighteners
DEFINITION
Classification: 211/119.09
(under subclass 119.02) Devices comprising means for tightening and preventing sagging of a looped strand, usually by shifting one of the pulleys about which the strand is trained.
SEE OR SEARCH THIS CLASS, SUBCLASS:
119.05+, for looped line tighteners due to the motion of a pulley support through a building opening.
SEE OR SEARCH CLASS
198, Conveyors: Power Driven,
709, and 813+ for conveyor belt tighteners.
254, Implements or Apparatus for Applying Pushing or Pulling Force, 388, for means to prevent sagging of looped lines by devices interengaging the runs of the lines.
474, Endless Belt Power Transmission Systems or Components, particularly
101+, for devices for tensioning power transmission belts.
