US PATENT SUBCLASS 188 / 309
.~.~.~.~ With manually adjusted valve in hub


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}
306  DF  .~.~ Arcuately oscillating thrust member {3}
308  DF  .~.~.~ Causing fluid flow through hub of thrust {1}
309.~.~.~.~ With manually adjusted valve in hub


DEFINITION

Classification: 188/309

(under subclass 308) Device wherein said shaft is also provided with an element modifying the size of the orifice, which element is manipulated by a person using the device to vary the size of the orifice.

SEE OR SEARCH THIS CLASS, SUBCLASS:

278, for a manually-adjustable thermostatic valve in a shock absorber.

282.1, for a manually-adjustable valve in the piston of a shock absorber.