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. 09, 2012
Filed:
Mar. 30, 2007
Applicants:
Gilles Lemaire, Margny les Compiegnes, FR;
Alain Noel, Brech, FR;
Inventors:
Gilles Lemaire, Margny les Compiegnes, FR;
Alain Noel, Brech, FR;
Assignee:
Poclain Hydraulics Industrie, Verberie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 1/04 (2006.01); F04B 1/107 (2006.01);
U.S. Cl.
CPC ...
Abstract
A piston for a hydraulic motor including a body having a guiding and sealing surface, a base, and a top, which top is providing with a cradle-shaped recess. The base is provided with an additional cradle-shaped recess whose concave surface faces in the direction in which the concave surface of the recess in the top faces.