US PATENT SUBCLASS 248 / 333
.~.~.~ Telescoping tubes

Current as of: June, 1999
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248 /   HD   SUPPORTS

317  DF  SUSPENDED SUPPORTS {5}
323  DF  .~ Adjustable {2}
327  DF  .~.~ Vertically {2}
333.~.~.~ Telescoping tubes {3}
334.1  DF  .~.~.~.~> Spring reel counterbalanced {1}
336  DF  .~.~.~.~> Clutch {1}
338  DF  .~.~.~.~> Rotary brake

DEFINITION

Classification: 248/333

(under subclass 327) Devices in which the adjustment is secured by means of telescoping tubes.