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:
Jun. 28, 2016
Filed:
Sep. 06, 2011
Cornelius Antonius Maria Van Hooft, AH Helvoirt, NL;
Dirk Jacobus Luyendijk, RE Heeswijk-Dinther, NL;
Holger Jongebloed, Schortens, DE;
Cornelius Antonius Maria Van Hooft, AH Helvoirt, NL;
Dirk Jacobus Luyendijk, RE Heeswijk-Dinther, NL;
Holger Jongebloed, Schortens, DE;
Caterpillar Work Tools B.V., s-Hertogenbosch, NL;
Abstract
A coupling arrangement for fluid coupling a worktool to a machine comprising at least one coupler assembly slideably mounted in a cavity for coupling a machine fluid circuit and a work tool fluid circuit, the coupler assembly partitioning the cavity to form a chamber; a diversion path connecting the machine fluid circuit to the chamber; and a check valve positioned in the diversion path for flow of fluid from the machine fluid circuit to the chamber to generate a force on the coupler assembly for maintaining the fluid coupling.