The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 13, 2004

Filed:

Aug. 19, 2002
Applicant:
Inventors:

Philip J. Ehrhart, Narvon, PA (US);

Charles H. Hoffman, New Holland, PA (US);

Kenneth W. McLean, New Holland, PA (US);

David A. Hess, Davis, CA (US);

Assignee:

New Holland North America, Inc, New Holland, PA (US);

Attorney:
Int. Cl.
CPC ...
A01D 7/518 ;
U.S. Cl.
CPC ...
A01D 7/518 ;
Abstract

A disc cutterbar having a two-piece mounting hub, one piece rotatably driven and the other supporting a knife for severing standing crop material, with spring-mounted ball and detent devices holding the two pieces members together and forming a shear device therebetween is disclosed. A specially threaded retaining bolt is associated with the knife-supporting piece whereby, upon failure of the shear device, the knife-supporting piece is rotated out of the cutting plane and away from the operational cutterheads.


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