Grappling assembly for excavating machines

Details Grappling assembly for excavating machines Grappling assembly for excavating machines

2005-02-22

2005-02-22

Underwood, Donald W. (Department: 3652)

Material or article handling

Vertically swinging load support

Grab

C037S409000, C414S724000, C414S912000

Reexamination Certificate

active

06857843

ABSTRACT:
An assembly mountable on the dipper stick of a machine, having a bucket pivotally connected thereto and means operatively interconnecting the dipper stick and the bucket for curling and uncurling the bucket, cooperable with the bucket when mounted on the dipper stick for grappling objects generally including an arm member pivotally connectable at one end thereof to the underside of the dipper stick, depending freely therefrom and swingable in a substantially vertical plane, and having a length sufficient to be received within the bucket opening when the arm member is connected to the dipper stick and is depending freely therefrom and the bucket is curled as in performing an excavating function and a chain connectable at one end to the underside of the dipper stick and at another end thereof to the arm member.

REFERENCES:
patent: 3353285 (1967-11-01), Murray
patent: 4932832 (1990-06-01), McCasland et al.
patent: 6203267 (2001-03-01), Heiple et al.
patent: 6640471 (2003-11-01), Desrochers

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