US PATENT SUBCLASS 184 / 82
.~.~ Vertically movable valve

Current as of: June, 1999
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184 /   HD   LUBRICATION

14  DF  LUBRICATORS {18}
65  DF  .~ Gravity feed {9}
82.~.~ Vertically movable valve

DEFINITION

Classification: 184/82

The valve is set to give a certain feed, usually by screw, and the valve is opened or closed by a bodily vertical movement of the valve-stem.