US 12,280,400 B2
Sifter
Edward Schultz, Auburntown, TN (US)
Assigned to Stainless Equipment and Parts LLC, Auburntown, TN (US)
Filed by Stainless Equipment and Parts LLC, Auburntown, TN (US)
Filed on Jun. 27, 2023, as Appl. No. 18/215,163.
Prior Publication US 2025/0001456 A1, Jan. 2, 2025
Int. Cl. B07B 1/20 (2006.01); B07B 1/52 (2006.01)
CPC B07B 1/20 (2013.01) [B07B 1/528 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A sifter comprising:
a screen including a cylindrical portion, wherein the screen further comprises a first portion secured to a first side of the cylindrical portion and a second portion secured to a second side of the cylindrical portion, the first and second portions being oriented tangent to the cylindrical portion;
a helix positioned within the cylindrical portion and extending between a first end of the helix and a second end of the helix, the helix defining a volume extending between the first end of the helix and a second end of the helix and extending inwardly from an inner surface of the helix by at least 25 percent of an inner diameter of the inner surface of the helix, the volume being available to receive particles sifted by the sifter; and
a shaft extending through the helix, the helix being mounted to the shaft, wherein the shaft defines a first opening and a second opening, the second opening being non-parallel to the first opening, a first end portion secured to the first end of the helix extending into the first opening and a second end portion secured to the second end of the helix extending into the second opening.