US PATENT SUBCLASS 188 / 320
.~.~.~.~ Tortuous path orifice

Current as of: June, 1999
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188 /   HD   BRAKES

266  DF  INTERNAL-RESISTANCE MOTION RETARDER {29}
297  DF  .~ Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir) {7}
316  DF  .~.~ Fluid through or around piston within chamber {1}
317  DF  .~.~.~ Via fixed or variable orifice in piston {4}
320.~.~.~.~ Tortuous path orifice

DEFINITION

Classification: 188/320

(under subclass 316) Device wherein said opening extends in other than a straight line, whereby liquid flows through the opening in a meandering course.