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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.:

US 8992087 B1

PDFFull Text
Expired
Date of Patent:
Mar. 31, 2015

Filed:

Mar. 05, 2012

Crank drive

Applicants:

Alex DE Souza Rodrigues, Jarinu, BR;

Luis Antonio Fonseca Galli, Campinas, BR;

Tavares Walter Oliveira, Jarinu, BR;

Stefano Sergio Guerreiro, Sorocaba, BR;

Inventors:

Alex de Souza Rodrigues, Jarinu, BR;

Luis Antonio Fonseca Galli, Campinas, BR;

Tavares Walter Oliveira, Jarinu, BR;

Stefano Sergio Guerreiro, Sorocaba, BR;

Assignee:

Thyssenkrupp Metalurgica Campo Limpo Ltda., Sao Paolo, BR;

Attorneys:

Laurence A. Greenberg

Werner H. Stemer

Ralph E. Locher

Primary Examiner:

Alan B Waits

Int. Cl.
CPC ...
F16C 33/02 (2006.01); F16C 33/24 (2006.01); F16C 9/02 (2006.01); F16C 35/00 (2006.01); F16C 9/04 (2006.01);
U.S. Cl.
CPC ...
F16C 9/02 (2013.01); F16C 9/04 (2013.01);
Abstract

A crank drive includes a crankshaft journal having a concave-shaped surface, a bearing element in which the crankshaft journal is rotatably mounted, and a bearing shell disposed between the crankshaft journal and the bearing element and having a first convex-shaped surface matched with the concave-shaped surface of the crankshaft journal. The bearing shell has a second surface associated with the bearing element and is constructed such that the bearing shell has a non-constant cross section in the longitudinal direction of the crankshaft journal. The bearing element surface facing the bearing shell is adapted to the second surface of the bearing shell regarding the shape of the bearing element surface, and the second surface of the bearing shell is cylindrical or concave and has a smaller curvature than the concave-shaped surface of the crankshaft journal.

Find Patent Forward Citations

Rodrigues, Alex de Souza. (2015). Crank drive (U.S. Patent No. 8992087). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8992087

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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