US 12,343,730 B2
Mincing machine
Udo Back, Münnerstadt/Reichenbach (DE); Fabian Döring, Wuppertal (DE); and Johannes Wamsler, Baden-Württemberg (DE)
Assigned to Lumbeck & Wolter GmbH & Co. KG, Wuppertal (DE); and Maschinenfabrik Seydelmann KG, Stuttgart Baden-Württemberg (DE)
Appl. No. 18/043,580
Filed by Lumbeck & Wolter GmbH & Co. KG, Wuppertal (DE); and Maschinenfabrik Seydelmann KG
PCT Filed Sep. 1, 2021, PCT No. PCT/EP2021/074109
§ 371(c)(1), (2) Date Mar. 1, 2023,
PCT Pub. No. WO2022/049111, PCT Pub. Date Mar. 10, 2022.
Claims priority of application No. 20 2020 105 051.6 (DE), filed on Sep. 2, 2020.
Prior Publication US 2023/0321667 A1, Oct. 12, 2023
Int. Cl. B02C 18/30 (2006.01); A22C 17/00 (2006.01)
CPC B02C 18/302 (2013.01) [B02C 18/305 (2013.01); A22C 17/0026 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A meat grinder comprising:
a meat grinder housing, a driveable screw conveyor (10), and a blade journal (20) mounted in a rotationally fixed manner on the screw conveyor (10) and having at least one cutting set,
wherein the at least one cutting set comprises at least one perforated disc which is supported in a stationary manner on the meat grinder housing and a blade which is mounted in a rotationally fixed manner on a supporting portion (23) of the blade journal (20), the blade journal having an insertion end (21), the insertion end having a cross-section,
wherein the blade journal (20) is releasably held at one end on the screw conveyor (10),
characterized in that:
the blade journal (20) is inserted in a bearing bore (11) of the screw conveyor (10), the bearing bore having a cross-section, wherein the cross-section of the bearing bore (11) is adapted to the cross-section of the insertion end (21) of the blade journal (20),
the insertion end (21) of the blade journal (20) protrudes from the supporting portion (23) of the blade journal (20) in a radial direction and that a stop surface is provided in a transition area (26) between the insertion end (21) and a circumferential side of the supporting portion (23),
by means of a fastening ring (30), which can be pushed over the supporting portion (23) of the blade journal (20) to the stop surface (22) and can be connected to the screw conveyor (10), a detachable connection of the blade journal (20) with the screw conveyor (10) is achieved, wherein the fastening ring (30) and the screw conveyor (10) have matching fasteners configured to engage each other.