US PATENT SUBCLASS 73 / 266
.~.~.~.~.~ Crank operated

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

861  DF  VOLUME OR RATE OF FLOW {23}
232  DF  .~ Expansible chamber {6}
262  DF  .~.~ Diaphragm or collapsible wall {2}
263  DF  .~.~.~ Multiple diaphragm {3}
265  DF  .~.~.~.~ With rotary valve {1}
266.~.~.~.~.~ Crank operated {1}
267  DF  .~.~.~.~.~.~> With flag rod

DEFINITION

Classification: 73/266

(under subclass 265) Meters wherein the rotary valve receives its motion from the diaphragms through the medium of cranks.