Working machine comprising an implement coupling and an...

Details Working machine comprising an implement coupling and an... Working machine comprising an implement coupling and an...

2007-10-02

2007-10-02

Underwood, Donald (Department: 3652)

Material or article handling

Vertically swinging load support

Shovel or fork type

C037S468000, C403S027000

Reexamination Certificate

active

11163245

ABSTRACT:
A working machine includes a lift arm and an implement coupling fixed to the lift arm. The implement coupling includes a locking element which is displaceable between an inoperative position and an operative position in which it is designed to shoot into a hole in the implement in order to lock the implement to the implement coupling. The locking element, over a first section of its length, has a first cross-section that will allow the first section of the locking element to be shot into the hole in the implement, and over a second section, which adjoins the first section, has a second cross-section which prevents the second section being shot further into said hole. The second section comprises a stop face designed to be brought to bear against the implement when securing the implement to the implement coupling.

REFERENCES:
patent: 5024010 (1991-06-01), Hulden
patent: 5333400 (1994-08-01), Sonerud
patent: 5692855 (1997-12-01), Burton
patent: 6241455 (2001-06-01), Schupback et al.
patent: 6301811 (2001-10-01), Gilmore
patent: 2259293 (1993-03-01), None
patent: WO 0049233 (2000-08-01), None
patent: WO 02/20906 (2002-03-01), None
International Search Report and International Preliminary Examination Report for corresponding PCT/SE2004/000483.

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