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:
Jan. 30, 2007
Filed:
May. 19, 2004
Applicants:
Sylvain Giagnoli, Ambilly, FR;
Richard Rolli, Bonneville, FR;
Inventors:
Sylvain Giagnoli, Ambilly, FR;
Richard Rolli, Bonneville, FR;
Assignee:
Parker Hannifin SA, Annemasse, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 37/35 (2006.01); F16L 37/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a quick-connect coupling for hydraulic fluid conduits. The inventive coupling consists of a male element and a female element comprising an outer tubular part and a mobile coupling part. In addition, joints are provided between the tubular parts and define chambers. According to the invention, during the coupling phase, one hydraulically-pressurised chamber can be communicated with an atmospheric pressure chamber, using at least one longitudinal groove or similar element which is disposed in the tubular coupling part or in the outer tubular part.