US 11,896,981 B2
Machine for grinding meat and bone
Nick J. Lesar, Palmyra, WI (US); and E. William Wight, Roscoe, IL (US)
Assigned to PROVISUR TECHNOLOGIES, INC., Chicago, IL (US)
Filed by Provisur Technologies, Inc., Chicago, IL (US)
Filed on Dec. 5, 2022, as Appl. No. 18/061,552.
Application 18/061,552 is a continuation of application No. 16/833,501, filed on Mar. 27, 2020, granted, now 11,633,743.
Application 16/833,501 is a continuation of application No. 16/458,788, filed on Jul. 1, 2019, granted, now 10,618,055, issued on Apr. 14, 2020.
Application 16/458,788 is a continuation of application No. 14/966,460, filed on Dec. 11, 2015, granted, now 10,350,605, issued on Jul. 16, 2019.
Application 14/966,460 is a continuation of application No. 14/056,223, filed on Oct. 17, 2013, granted, now 9,266,114, issued on Feb. 23, 2016.
Application 14/056,223 is a continuation of application No. 13/073,587, filed on Mar. 28, 2011, granted, now 8,584,978, issued on Nov. 19, 2013.
Claims priority of provisional application 61/318,630, filed on Mar. 29, 2010.
Prior Publication US 2023/0097461 A1, Mar. 30, 2023
Int. Cl. B02C 18/30 (2006.01); B02C 23/00 (2006.01); B02C 23/10 (2006.01)
CPC B02C 18/301 (2013.01) [B02C 18/30 (2013.01); B02C 18/302 (2013.01); B02C 18/305 (2013.01); B02C 23/00 (2013.01); B02C 23/10 (2013.01); B02C 2018/308 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A machine comprising:
a grinder which receives meat and bone through an inlet, the grinder including a first part having a plurality of grinding openings therethrough, wherein the meat and bone engages with a surface of the first part and the meat and bone is ground into material which does not contain bone and which is discharged through the grinding openings, and the first part further having one or more collection passages therethrough for discharging a mixture of meat and bone therethrough;
an advancement member for advancing the meat and bone through the grinder;
a separator downstream of the grinder, the separator receiving the mixture of meat and bone from the collection passages through an inlet opening, wherein the separator is coupled to the grinder and the inlet opening of the separator do not cover the grinding openings of the grinder such that the material which does not contain bone is discharged to an exterior of the machine, the separator including a second part having a plurality of openings therethrough, wherein the mixture of meat and bone received from the grinder engages with a surface of the second part and is ground into material which does not contain bone and which is discharged through the openings of the separator, and the second part further having an outlet passage therethrough for discharging material containing bone therethrough; and
an advancement member for advancing the meat and bone through the separator.