US PATENT SUBCLASS 184 / 75
.~.~.~.~.~ Spring-retained


Current as of: June, 1999
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184 /   HD   LUBRICATION

14  DF  LUBRICATORS {18}
65  DF  .~ Gravity feed {9}
66  DF  .~.~ Automatic cutoff {7}
*  DD  .~.~.~ Vertically reciprocating valve {4}
74  DF  .~.~.~.~ Mechanically operated {1}
75.~.~.~.~.~ Spring-retained


DEFINITION

Classification: 184/75

The valve is caused to return to its initial position by means of a spring.