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. 29, 2020

Filed:

Apr. 18, 2019
Applicant:

Precision-hayes International Inc., Seagoville, TX (US);

Inventors:

Nate Mikulsky, Brookfield, WI (US);

Paul Hohensee, West Bend, WI (US);

Thomas Mathews, Midlothian, TX (US);

Assignee:

PRECISION-HAYES INTERNATIONAL INC., Seagoville, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04C 5/12 (2006.01); E04G 21/12 (2006.01);
U.S. Cl.
CPC ...
E04C 5/122 (2013.01); E04G 21/12 (2013.01);
Abstract

A coupler for connecting first and second tendons may comprise a body including first and second ends, a passageway therethrough and an access port; first and second wedges each configured to receive an end of the first and second tendons, respectively, each of the wedges being positioned in the passageway and oriented so as to resist withdrawal from the coupler of a tendon received therein; and first and second pistons positioned within the passageway proximate the first and second wedges, respectively; wherein the first and second pistons define a pressure chamber therebetween; wherein the pressure chamber is in fluid communication with the access port; and wherein the first and second pistons are configured to bear on the first and second wedges, respectively, and urge the first and second wedges apart in response to pressure in the pressure chamber.


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