US PATENT SUBCLASS 211 / 207
.~ Vertically


Current as of: June, 1999
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211 /   HD   SUPPORTS: RACKS

175  DF  ADJUSTABLE {1}
207.~ Vertically {2}
208  DF  .~.~> To plural distinct increments
209  DF  .~.~> By hoist or pulley


DEFINITION

Classification: 211/207

(under subclass 175) Device wherein the article-supporting element is repositionable within an element-supporting framework in an up-and-down direction to one of a plurality of usable positions.

(1) Note. In this subclass an article-supporting element is positioned manually in one of an infinitely variable (within the limits of vertical adjustment) positions, and is locked in place, usually by friction means.

SEE OR SEARCH CLASS

248, Supports,

157+, and 161+ for other vertically adjustable support structure.