Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas Zitterbart0
Rolf Mieger0
Date of Patent
August 8, 2006
0Patent Application Number
108037910
Date Filed
March 18, 2004
0Patent Primary Examiner
Patent abstract
The invention relates to a quick-change attachment to connect a tool, preferably, to the boom of a hydraulic excavator, comprising a boom-connecting quick-change attachment component to accommodate a tool, one end of which has a pin, and the other end of which is retained within a bearing of the quick-change attachment by positive-fit or friction engagement. According to the invention, a bushing in the form of a half-liner having a large support angle is inserted in the bearing.
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