US 12,246,466 B2
Cutter bar, in particular counter-blade for chopping machines
Wolfgang Lutz, Wieselburg (AT)
Assigned to Gebrüder Busatis Gesellschaft m.b.H., Purgstall an der Erlauf (AT)
Filed by Gebrüder Busatis Gesellschaft m.b.H., Purgstall an der Erlauf (AT)
Filed on Feb. 24, 2022, as Appl. No. 17/679,437.
Claims priority of application No. A 50134/2021 (AT), filed on Feb. 26, 2021.
Prior Publication US 2022/0274275 A1, Sep. 1, 2022
Int. Cl. B26D 1/00 (2006.01)
CPC B26D 1/0006 (2013.01) [B26D 2001/002 (2013.01); B26D 2001/0053 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cutter bar for a chopping machine, the cutter bar comprising:
a cutter bar body defining at least one edge groove having a groove bottom and a groove sidewall, the groove sidewall having a first wall portion formed from the material of the cutter bar body;
a wear protection structure extending along a flat top surface of the cutter bar body from the edge groove, wherein the wear protection structure includes a central portion that covers a central area of the cutter bar body and a second wall portion that extends above the first wall portion of the groove sidewall, wherein an exposed upper surface of the wear protection surface disposed opposite the flat top surface of the cutter bar body tapers upward relative to the flat top surface of the cutter bar body from the central portion to the second wall portion with the central portion having a first thickness and the second wall portion having a second thickness greater than the first thickness; and
at least one carbide strip disposed within the edge groove and secured to the edge groove adjacent the first wall portion of the groove sidewall and the second wall portion of the wear protection structure, wherein the at least one carbide strip forms a cutting edge.