Grapple mount

Details Grapple mount Grapple mount

1994-04-26

1995-12-05

Underwood, Donald W.

Material or article handling

Vertically swinging load support

Shovel or fork type

414912, 37406, E02F 500

Patent

active

054723086

ABSTRACT:
A mount for attaching a grapple to an excavator arm equipped with a hydraulic drive, a thumb, and a bucket. A rear portion of the mount is adapted to overlie the thumb to which it is attachable by bolts. A forward portion of the mount is provided with apertured ears that attach by pins to interior fingers of the thumb. The mount includes a second pair of apertured ears that extends forwardly from the thumb and to which a grapple is attachable by a drop link. The hydraulic system of the excavator is modified to permit diversion of the hydraulic drive for the thumb to the grapple when the grapple is mounted on the excavator. The grapple mount significantly reduces the time necessary for mounting and dismounting a grapple to an excavator arm because it eliminates the necessity for mounting and dismounting the thumb and the bucket.

REFERENCES:
patent: 4466494 (1984-08-01), Hanson
patent: 4519739 (1985-05-01), Risch
patent: 5150936 (1992-09-01), Avery

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