US PATENT SUBCLASS 401 / 176
.~.~ Slidable piston

Current as of: June, 1999
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401 /   HD   COATING IMPLEMENTS WITH MATERIAL SUPPLY

143  DF  INCLUDING MEANS TO APPLY MATERIAL-MOVING FORCE {10}
171  DF  .~ Piston-provided reservoir {2}
176.~.~ Slidable piston {6}
177  DF  .~.~.~> In reservoir having enlarged bore portion
178  DF  .~.~.~> Including flow-regulator through piston
179  DF  .~.~.~> Including mechanical-movement actuator
180  DF  .~.~.~> Spring pressed
181  DF  .~.~.~> Including flexible or pivoted actuator
182  DF  .~.~.~> Including disengageable or extensible operating rod

DEFINITION

Classification: 401/176

(under subclass 171) Implement wherein the piston has a rectilinear, force-applying motion axially of the tubular wall.

SEE OR SEARCH THIS CLASS, SUBCLASS:

141, for an implement including a follower which floats on the free surface of the material in the reservoir.