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. 14, 2002
Filed:
May. 25, 2000
Applicant:
Inventors:
Rolf Mieger, Oberopfingen, DE;
Thomas Zitterbart, Dietenheim, DE;
Assignee:
Liebherr-Hydraulikbagger GmbH, Kirchdorf/Iller, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/96 ;
U.S. Cl.
CPC ...
E02F 3/96 ;
Abstract
The invention relates to a rapid coupling for connection of an implement to an operating arm, with at least one pair of lock pins that are movably guided toward each other in alignment and that can be moved toward and away from each other by a drive and that penetrate into an aligned lock hole in the implement in their extended lock position. According to the invention, pre-centering device are provided to pre-center the retracted lock pins on the lock holes.