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:
May. 15, 2018
Filed:
Jan. 15, 2015
Parker Hannifin Manufacturing Germany Gmbh & Co. KG, Bielefeld, DE;
Dieter Ehrke, Bielefeld, DE;
Udo Hunkenschroeder, Bielefeld, DE;
PARKER HANNIFIN MANUFACTURING GERMANY GMBH & CO. KG, Bielefeld, DE;
Abstract
A backlash-free plug-in connection for a pipe or hose line includes a threaded-connection body, a union nut, a pipe piece insertable into the threaded-connection body, and a securing ring supported against the pipe piece. Stepped recesses are provided for holding the securing ring. A gasket seals the pipe piece against the threaded-connection body. By pressurizing a medium flowing through the pipe or hose line, the pipe piece moves from an inserted position against an insertion direction to a locked position. A fixing ring abuts the securing ring and the gasket, and is supported between the pipe piece and a contact surface formed on the threaded-connection body or union nut. The contact surface is inclined and the gasket moves the fixing ring to a fixed position when the pipe piece moves to the locked position so that the pipe piece is fixed in place.