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:
Sep. 05, 2017

Filed:

Jul. 31, 2014
Applicant:

Addisonmckee Inc., Lebanon, OH (US);

Inventor:

Andrew Ian Carruthers, Milnthorpe, GB;

Assignee:

ADDISONMCKEE INC., Lebanon, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 7/06 (2006.01); B21D 7/04 (2006.01); B21J 9/18 (2006.01); B21D 7/024 (2006.01); B21D 7/16 (2006.01); B21D 7/022 (2006.01);
U.S. Cl.
CPC ...
B21D 7/06 (2013.01); B21D 7/022 (2013.01); B21D 7/024 (2013.01); B21D 7/04 (2013.01); B21D 7/16 (2013.01); B21J 9/18 (2013.01);
Abstract

A tie bar tensioning system that allows a bending machine operator to removably couple an upper end of a bend die post of the bending machine to a base of the bending machine via a tie bar, and to lock the tie bar in a tensioned position. The tensioning system includes a stationary member and a rotatable member, each with aligned tie bar passages for receiving the one end of the tie bar. Both the stationary member and the rotatable member include respective engagement surfaces, with the rotatable member engagement surface being rotatable relative to the stationary member engagement surface between a released position and a tensioned position whereat the rotatable member is selectively lockable. The rotation of the rotatable member with the rotatable member engagement surface in engagement with the stationary engagement surface longitudinally displacing the rotatable member relative to the stationary member.


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