Patent ID: 9604294
Date: 2017-03-28
CPC Classifications: B23D,Y10T

Claim:
1. A shearing blade for a cutting device, the shearing blade comprising: a main body that has a seat and a blade insert that is arranged on the seat and forms a cutting wedge, wherein the cutting wedge forms a cutting edge via a flank face and a pressure face at an angle to the flank face, the flank face running in a first direction along a length of the blade insert, wherein the seat has a first end section undercut face, has a second end section undercut face, and has a middle part undercut face, the middle part undercut face running in the first direction and the first and second end section undercut faces running in respectively second and third directions, which are oblique to the first direction, wherein each of said first and second end section undercut faces and said middle part undercut face, when the blade insert is inserted, interacts respectively with first and second end section form-closure faces and a middle part form-closure face formed on the blade insert, a form closure taking effect transversely to the flank face, wherein said middle part form-closure face is arranged in a middle part of the blade insert, wherein said first and second end section form-closure faces are arranged, respectively, on first and second end faces on first and second end sections of the blade insert, wherein a transition between the middle part form-closure face on the rear side of the blade insert and the first and second end section ‘form-closure faces of the blade insert is rounded, wherein said middle part undercut face has a first profile running in the first direction and said first and second end section undercut faces have respective second and third profiles running in the second and third directions, wherein said first and second end section undercut faces of the seat and said first and second end section form-closure faces of the blade insert extend to reach the pressure face and the cutting edge, wherein a first cross section in the second direction across the first profile is identical to second and third cross sections in the first direction respectively across the second and third profiles, wherein the blade insert is fastened to the main body by at least one detachable pin-shaped plug-in connection element oriented perpendicular to the flank face, and wherein the at least one detachable pin-shaped plug-in connection element is arranged in a main body hole of the main body and in a blade insert hole of the blade insert, the main body hole being aligned with the blade insert hole.