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. 10, 2011
Filed:
Apr. 30, 2009
Loïc Joguet, Guilherand-Granges, FR;
Pierre Milhau, Charpey, FR;
Michel Cecchin, Montelier, FR;
Coval, Montelier, FR;
Abstract
A suction gripper device comprising a pipe for connecting a suction source to a suction gripper member, the pipe comprising a first channel formed by a downstream chamber () and by an upstream duct (), a seat () being provided between the chamber () and the duct (), a valve member () being mounted to move with clearance inside the chamber () between a bottom abutment () and the seat (), and a second channel () forming a calibrated bypass in parallel with the first channel and bypassing the seat (), being of section that is smaller than the section (S) of the clearance that exists in the chamber () between its inside surface and the outside surface of the valve member () that can move therein, wherein the second channel () is formed through the center of the valve member ().