US 12,329,887 B2
Bag opening system
Kevin C. Gillespie, Louisville, KY (US); Zachary Patrick Ford, Louisville, KY (US); and Guillermo J. Cohen Freue, Bryn Mawr, PA (US)
Assigned to ISOPURE, CORP., Louisville, KY (US)
Filed by ISOPURE, CORP., Louisville, KY (US)
Filed on Jun. 21, 2023, as Appl. No. 18/338,648.
Application 18/338,648 is a continuation of application No. 17/201,610, filed on Mar. 15, 2021, granted, now 11,712,503.
Application 17/201,610 is a continuation of application No. 16/705,888, filed on Dec. 6, 2019, granted, now 10,946,129, issued on Mar. 16, 2021.
Application 16/705,888 is a continuation of application No. 16/013,690, filed on Jun. 20, 2018, granted, now 10,500,326, issued on Dec. 10, 2019.
Claims priority of provisional application 62/522,484, filed on Jun. 20, 2017.
Prior Publication US 2024/0009364 A1, Jan. 11, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B65B 69/00 (2006.01); A61M 1/16 (2006.01); B01F 35/71 (2022.01); B01F 101/00 (2022.01)
CPC A61M 1/1666 (2014.02) [A61M 1/167 (2014.02); B01F 35/7131 (2022.01); B65B 69/00 (2013.01); B65B 69/0008 (2013.01); B65B 69/0033 (2013.01); B65B 69/0091 (2013.01); B01F 2101/2202 (2022.01)] 6 Claims
OG exemplary drawing
 
1. A system for opening and emptying a bag of material comprising:
a base having opposed sides;
a pair of opposed doors rotatably secured between the sides, each door having a bottom portion terminating in an edge, the edges of the pair of opposed doors forming an opening, and each door having a pair of slots therethough;
a pair of piercing blades pivotally mounted to said base, each blade positioned to move through a one of said slots in said doors, and each blade capable of pivoting upwardly to pierce and secure said bag;
a cutting blade mounted transversely below the opening of said opposed doors, said cutting blade capable of motion across the opening for cutting open said bag;
a back wall depending from each of said doors, whereby said bag is positioned between said back walls and over said opening; and
a rack and pinion cassette secured to one of the sides of said base, said cassette comprising:
a door actuator rack gear and a door actuator pinion gear, said door actuator rack gear engaging a door shaft secured to each door;
a piercing blade actuator rack gear and a piercing blade pinion gear, said piercing blade actuator rack gear pivoting said piercing blades; and
a cutting blade gear rack to which said cutting blade is secured, said gear rack mounted below the opening of said opposed doors, and a cutting pinion gear for engaging said cutting blade gear rack.