Excavator thumb for use with excavator equipment

Details Excavator thumb for use with excavator equipment Excavator thumb for use with excavator equipment

E - Fixed Constructions

02

F

E02F 3/413 (2006.01) E02F 3/38 (2006.01) E02F 3/40 (2006.01) E02F 9/22 (2006.01)

Patent

CA 2596727

An excavator thumb assembly for use with an excavator having a boom, a hydraulic cylinder, a hydraulic cylinder shaft that extends and retracts from the hydraulic cylinder, and a bucket pivotally attached to an end of the boom and operatively attached to the hydraulic cylinder shaft. The excavator thumb assembly includes a thumb pivot plate attached to an intermediate portion of the boom. The thumb pivot plate has a thumb attachment point positioned above the longitudinal axis of the boom. The excavator thumb assembly also includes a thumb pivotally attached to the thumb attachment point along a thumb pivot axis, and operatively attached to the hydraulic cylinder shaft. The excavator thumb assembly is configured so that the thumb and bucket opposably grab and release objects as the hydraulic cylinder shaft extends and retracts, respectively.

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