jigging or moving to-and-fro in or approximately in the direction of conveyance

Full Title

Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like > Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting, or wobbling screens > jigging or moving to-and-fro in or approximately in the direction of conveyance

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

SEPARATING SOLIDS FROM SOLIDS; SORTING

Subclass:

SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL