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. 07, 2020
Filed:
Jul. 26, 2018
Applicant:
Turbo Drill Industries, Inc., Conroe, TX (US);
Inventors:
Sheldon Ritchie, Conroe, TX (US);
Chad Feddema, Conroe, TX (US);
Assignee:
TURBO DRILL INDUSTRIES, INC., Conroe, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/00 (2006.01); E21B 4/02 (2006.01); F16D 3/72 (2006.01); E21B 17/05 (2006.01); F16D 3/64 (2006.01);
U.S. Cl.
CPC ...
E21B 17/00 (2013.01); E21B 4/02 (2013.01); E21B 17/05 (2013.01); F16D 3/64 (2013.01); F16D 3/72 (2013.01);
Abstract
A universal joint includes a joint housing and a joint shaft. The joint housing includes a socket having one or more recesses. The joint shaft includes a head positioned in the socket of the joint housing. The head includes one or more lobes corresponding with the recesses of the socket. The universal joint includes a drive key positioned between each lobe drive face and each recess drive face and an anti-backlash key positioned between each lobe back face and each recess back face.