| 摘要 |
A control device for earth moving equipment comprising a bucket pivotal about a bucket pivot between a closed position and an open position, a thumb pivotal about a thumb pivot between a first position and a second position, wherein the thumb pivot is separate from the bucket pivot, and an extension plate fixedly attached to the bucket and attached to the thumb pivot, wherein rotation of the bucket urges the thumb pivot to rotate around the bucket pivot and urges the thumb to move. A retrofitting kit for retrofitting earth moving equipment so that the thumb is movable in response to movement of the bucket.
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