US PATENT SUBCLASS 401 / 164
.~.~.~.~.~ Screw

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}
152  DF  .~ Including means to collapse flexible wall {4}
156  DF  .~.~ Resilient wall or wall portion {3}
158  DF  .~.~.~ Presser bar means {6}
163  DF  .~.~.~.~ Including mechanical-movement actuator {2}
164.~.~.~.~.~ Screw

DEFINITION

Classification: 401/164

(under subclass 163) Implement wherein the actuator includes an element having a helical camming surface (e.g., slot, thread, or groove) and another element having a cooperating cam follower (e.g., a cooperating thread or projection), relative rotational motion between the two elements causing the force-applying movement of the presser bar.

SEE OR SEARCH THIS CLASS, SUBCLASS:

172+, for an implement including screw means for moving a force-applying piston in a reservoir; and see the search notes thereunder.