Quick-change coupler
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United States of America Patent
Stats
-
Dec 30, 1986
Grant Date -
N/A
app pub date -
Apr 6, 1984
filing date -
Apr 7, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A quick-change coupler for the work implements of an excavator beam with an adjustable support frame (4) at the beam, said support frame receiving by means of a hook jaw a cross-pipe fixed to the tool. The hook (6) widens starting at its tip and is provided on its backside with a slanted surface (7) cooperating with a corresponding bevel (23) at the tool in order that, after the engagement between hook and cross-pipe (21) and further pivoting of the support frame (4), this support frame be automatically centered until it is locked with respect to the tool.
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Cited Art Landscape
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