Shear

Details Shear Shear

1977-10-17

1978-10-31

Meister, J. M.

Cutting

Means to drive or to guide tool

Uniplanar compound motion

B26D 518

Patent

active

041227409

ABSTRACT:
A rolling blade shear has a stationary blade and a movable blade which latter is mounted and driven to roll over the stationary blade. The movable blade is carried by a pair of opposed toggle mechanisms which are pivoted to a supporting frame and to the movable blade and which are coupled together so as to swing together. Guide means on the frame guide one end of the movable blade along a fixed path. The coupled toggle mechanisms are driven by hydraulic piston and cylinder units connected between the frame and the mechanisms.

REFERENCES:
patent: 3316791 (1967-05-01), Greis et al.
patent: 3857316 (1974-12-01), Handley

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