Coupling apparatus for detachably attaching an excavating device to excavator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 25, 2001
Grant Date -
N/A
app pub date -
Sep 15, 1999
filing date -
May 11, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coupling device for automatically coupling an excavating device or a hammer device to an excavator includes an arm coupler fixed to one end of an arm of the excavator and a link coupler fixed to an operation link of the arm of the excavator. The excavating device includes a pair of brackets having a pair of the assembling holes. Piston rods, contained in the arm coupler and the link coupler and inserted into the assembling holes, connect the brackets of the excavating device to the excavator.
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