US PATENT SUBCLASS 251 / 9
.~ Pivoting tube contacting element

Current as of: June, 1999
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251 /   HD   VALVES AND VALVE ACTUATION

4  DF  TUBE COMPRESSORS {4}
9.~ Pivoting tube contacting element {1}
10  DF  .~.~> U-shaped resilient bar or rod

DEFINITION

Classification: 251/9

(under subclass 4) Devices comprising a tube contacting portion which pivots, as a lever, to compress the conveyor.