Hydraulic shear

Details Hydraulic shear Hydraulic shear

1978-11-22

1980-04-22

Peters, Jimmy C.

Cutlery

Combined cutlery or combined with ancillary feature

With material-holder or disposal

30228, 414740, B23P 1900

Patent

active

041987470

ABSTRACT:
A hydraulic shear for a backhoe. The backhoe includes a boom and a forwardly extending stick pivotally mounted to the boom. The hydraulic shear pivotally mounts on the forward end of the stick and includes a first forward shear blade, an opposing second configured forward shear blade, and a configured rearward shear blade which is pivoted to interleave between the first and second forward shear blades. The configured rearward shear blade of the hydraulic shear is mounted so that force from a hydraulic cylinder acting against the configured rearward shear blade is transferred by a factor of two to at least one point on the curvature of the configured rearward shear blade to shear a workpiece at a predetermined preferred position in the hydraulic shear.

REFERENCES:
patent: 2632246 (1953-03-01), Shoffner
patent: 3325895 (1967-06-01), Grimoldi
patent: 3885292 (1975-05-01), Sharp
patent: 3972097 (1976-08-01), Schakat
patent: 4104792 (1978-08-01), LaBounty

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