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.
Patent No.:
Date of Patent:
Jul. 27, 1993
Filed:
Feb. 26, 1992
Applicant:
Inventors:
Kevin M Kunzman, Willoughby, OH (US);
Robert L Truelsch, Burton, OH (US);
Assignee:
N.P.K. Construction Equipment, Inc., Walton Hills, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B26B / ; B26B / ; B26B / ; B66C / ;
U.S. Cl.
CPC ...
30134 ; 30131 ; 30228 ; 414740 ;
Abstract
A heavy duty shear attachable to the boom of a mobile machine, such as a backhoe, comprises a support structure of welded steel plate construction, and a shear head of steel plate construction mounted on the support structure and having pivotally interconnected upper and lower jaw members. The upper and lower jaw members carry removable shearing blade inserts which are dimensionally identical, and the jaw members are pivotally interconnected by a joint assembly which facilitates disassembly thereof for maintenance purposes.