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:
Mar. 26, 2013
Filed:
Jul. 22, 2009
Applicants:
Joseph Young-long Chen, Ann Arbor, MI (US);
Arvo J. Siismets, Troy, MI (US);
Inventors:
Joseph Young-Long Chen, Ann Arbor, MI (US);
Arvo J. Siismets, Troy, MI (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 55/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
An engine gear drive assembly may include first and second taper gears and a biasing member. The first taper gear may be rotationally and axially fixed to the first rotary engine component. The second taper gear may be rotationally fixed to the second rotary engine component and axially displaceable relative to the second rotary engine component. The biasing member may bias the second taper gear in a first axial direction into engagement with the first taper gear.