Rotating hammer-shear

Details Rotating hammer-shear Rotating hammer-shear

1986-02-28

1988-01-19

Bell, Paul A.

Tool driving or impacting

Combined

414912, 414740, E21C 3700

Patent

active

047199750

ABSTRACT:
A rotating hammer-shear for releasable attachment to the boom structure and hydraulic system of a hydraulic excavator for the demolition of concrete structures. The hammer-shear having a heavy duty power operated shear and hammer secured to and extending from opposite ends of a common frame. The frame includes a rotational mounting. The rotational mounting provides for rotation of the hammer-shear through an arc of 360.degree. about an axis essentially perpendicular to the line of longitudinal extension of the shear and hammer from the frame. The rotational mounting also provides for pivotal attachment of the hammer-shear to the boom structure and hydraulic system of the excavator.

REFERENCES:
patent: 4017114 (1977-04-01), LaBounty
patent: 4466494 (1984-08-01), Hanson
patent: 4519135 (1985-05-01), LaBounty

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