Quick-coupling device for an excavator bucket

Details Quick-coupling device for an excavator bucket Quick-coupling device for an excavator bucket

E - Fixed Constructions

02

F

E02F 3/36 (2006.01)

Patent

CA 2577674

A quick-change coupling for attaching work tools such as buckets to an excavator boom, in which a respective coupling body part (1, 2) is disposed on the work tool and on the excavator boom, the two coupling body parts being mutually securable by a hook connection (3) and a wedge lock (4) having mutual bearing surfaces (5), and at least one coupling plate (14, 14') being respectively provided on the work tool, on both sides of the longitudinal center plane and parallel to the latter, which coupling plates have, congruent with each other, the receiving recesses both of the hook connection (3) and of the wedge connection (4). The bucket can be rotated about a longitudinal axis of the excavator boom, so as to become functional in backhoe/blade operation and in forward bucket/shovel operation. The pivot angles of the bucket are optimized so as to enable proper and maximized operation in both positions.

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