US PATENT SUBCLASS 184 / 34
.~.~.~ Oscillating distributing valve

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184 /   HD   LUBRICATION

14  DF  LUBRICATORS {18}
*  DD  .~ Force feed {5}
26  DF  .~.~ Pumps {10}
34.~.~.~ Oscillating distributing valve

DEFINITION

Classification: 184/34

The discharge-valve from the pump-cylinder oscillates so that the outlet-passage is in connection with the pump-cylinder during the forcing stroke and the in-take-passage is connected with the pump-cylinder at the suction-stroke of the piston.