US PATENT SUBCLASS 209 / 667
.~.~.~.~ Gauging passage between rotatable elements


Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

509  DF  SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS {11}
606  DF  .~ Separating means {33}
659  DF  .~.~ Sorting items by size {3}
660  DF  .~.~.~ Item of particular size passed through gauging passage between separate elements {9}
667.~.~.~.~ Gauging passage between rotatable elements {6}
668  DF  .~.~.~.~.~> Element adjustable to change width of gauging passage
669  DF  .~.~.~.~.~> Helical roller
670  DF  .~.~.~.~.~> Items move longitudinally of gauging passage varying in width along length thereof
671  DF  .~.~.~.~.~> Spindle or roller having projecting elements spaced circumferentially thereof
672  DF  .~.~.~.~.~> Spindle or roller having axially spaced, flat-sided circumferential elements (e.g., flanges, disks, wheels, etc.) projecting therefrom
673  DF  .~.~.~.~.~> Cylindrical rollers


DEFINITION

Classification: 209/667

(under subclass 660) Gauging passage between rotatable elements: Methods and apparatus wherein said passage is situated between rotatable elements.

(1) Note. Includible here are (1) a gauge passage between two elements each rotating about an axis passing therethrough, and (2) a gauge passage between two elements rotating about an axis outside the elements.

SEE OR SEARCH CLASS

193, Conveyors, Chutes, Skids, Guides, and Ways,

35+, for nondriven rollerways.

198, Conveyors: Power-Driven,

780+, for driven roller conveyors. 492, Roll or Roller, for a roll, per se, not elsewhere provided for.