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:
Apr. 23, 2019
Filed:
Feb. 06, 2012
Applicants:
Bruce M. Thielges, Fridley, MN (US);
Steve H. Thomson, Milaca, MN (US);
Mitchell I. Elsmore, Cottage Grove, MN (US);
Inventors:
Bruce M. Thielges, Fridley, MN (US);
Steve H. Thomson, Milaca, MN (US);
Mitchell I. Elsmore, Cottage Grove, MN (US);
Assignee:
Mate Precision Tooling, Inc., Anoka, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B21D 28/34 (2006.01); B26D 7/26 (2006.01); B26D 1/14 (2006.01); B26F 1/14 (2006.01);
U.S. Cl.
CPC ...
B21D 28/34 (2013.01); B26D 7/2614 (2013.01); B26F 1/14 (2013.01); Y10T 83/9423 (2015.04); Y10T 83/9428 (2015.04); Y10T 83/9476 (2015.04);
Abstract
A punch assembly for a turret-type punch press includes an outer guide sleeve having an inner bore in which a punch shank fits for reciprocating but not rotating movement. The punch shank has a concentric, downward opening formed in a lower end in which is received a head portion of an insert that has a punch point formed on it. Built into the shank is a latching mechanism for releasably wedging and thereby securing the insert to the lower end of the shank.