US PATENT SUBCLASS 184 / 48.2
.~.~.~.~ Friction type

Current as of: June, 1999
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184 /   HD   LUBRICATION

14  DF  LUBRICATORS {18}
*  DD  .~ Force feed {5}
*  DD  .~.~ Followers {9}
48.1  DF  .~.~.~ Locking devices {1}
48.2.~.~.~.~ Friction type

DEFINITION

Classification: 184/48.2

Friction type:

(under subclass 48.1) Device wherein the piston-follower engaging means utilizes friction between relatively movable members to inhibit or prevent the piston-follower from moving away from the lubricant.