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:
Oct. 25, 2016
Filed:
Mar. 12, 2014
Applicant:
Forum Us, Inc., Houston, TX (US);
Inventors:
Gregory David Swanson, Magnolia, TX (US);
Joe Rodney Berry, Cypress, TX (US);
Assignee:
Forum US, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 15/00 (2006.01); F15B 15/02 (2006.01); F16H 19/00 (2006.01); E21B 19/15 (2006.01); F16H 19/06 (2006.01); B66D 3/00 (2006.01); B29C 45/42 (2006.01); B60P 3/07 (2006.01); B29C 37/00 (2006.01);
U.S. Cl.
CPC ...
E21B 19/15 (2013.01); B29C 37/0007 (2013.01); B29C 45/42 (2013.01); B60P 3/07 (2013.01); B66D 3/006 (2013.01); F15B 15/02 (2013.01); F16H 19/06 (2013.01); F16H 2019/0686 (2013.01);
Abstract
A drive system for a catwalk skate that uses a hydraulic skate-cable drive system. The system includes two counteracting hydraulic cylinders, each with a sheave connected to the cylinder rods, and a cable that winds around each of the sheaves and connects to both ends of the skate.