Work tool coupling device for a machine

Details Work tool coupling device for a machine Work tool coupling device for a machine

2007-01-30

2007-01-30

Underwood, Donald (Department: 3652)

Material or article handling

Vertically swinging load support

Shovel or fork type

C037S468000, C403S324000

Reexamination Certificate

active

11115571

ABSTRACT:
A coupler configured to secure a work tool to a machine is provided. In one embodiment, the coupler comprises a first bore with a first axis configured to receive a first pin, a second bore with a second axis configured to receive a second pin, and an actuator including an actuator rod. The coupler is characterized in that if the first bore receives the first pin, the first pin is configured to pivotally support the coupler to a machine linkage about the first axis and pivotally support the coupler to the work tool about the first axis. Furthermore, if the second bore receives the second pin, the second pin is configured to pivotally support the coupler to a machine boom about the second axis. The coupler is further characterized in that the rod is configured to engage the work tool and, if engaged, the rod intersects the second axis.

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patent: 5890871 (1999-04-01), Woerman
patent: 2003/0215320 (2003-11-01), Harris et al.

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