Quick-change attachment

Details Quick-change attachment Quick-change attachment

2006-08-08

2006-08-08

Cottingham, John R. (Department: 2116)

Joints and connections

Manually releaseable latch type

C403S322100

Reexamination Certificate

active

07086804

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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patent: 2002/0136597 (2002-09-01), Nishikawa et al.
patent: 0321902 (1989-06-01), None
patent: 0353454 (1990-02-01), None
patent: 0616084 (1994-09-01), None
patent: 1312720 (2003-05-01), None
patent: 2436743 (1980-04-01), None

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