US 11,052,427 B2
Apparatuses, methods, and systems for vibratory screening
James R. Colgrove, East Aurora, NY (US); and Michael L. Peresan, Strykersville, NY (US)
Assigned to DERRICK CORPORATION, Buffalo, NY (US)
Filed by Derrick Corporation, Buffalo, NY (US)
Filed on Jul. 2, 2019, as Appl. No. 16/460,496.
Application 16/460,496 is a continuation in part of application No. 15/785,141, filed on Oct. 16, 2017, granted, now 10,399,124.
Claims priority of provisional application 62/488,293, filed on Apr. 21, 2017.
Claims priority of provisional application 62/408,514, filed on Oct. 14, 2016.
Prior Publication US 2019/0321858 A1, Oct. 24, 2019
Int. Cl. B07B 1/46 (2006.01)
CPC B07B 1/4618 (2013.01) 34 Claims
OG exemplary drawing
 
1. A vibratory screening machine, comprising:
one or more screening assemblies; and
a plurality of injection molded removable support structures configured to provide mechanical support to the one or more screening assemblies; and
a plurality of removable wear protective covers configured to be installed on respective support structures and to provide wear and abrasion resistance to the removable support structures.