Cutting – Means to drive or to guide tool – With simple oscillating motion only
Patent
1975-01-17
1976-03-02
Schran, Donald R.
Cutting
Means to drive or to guide tool
With simple oscillating motion only
83633, 83644, 83646, B26D 518
Patent
active
039410218
ABSTRACT:
A shearing apparatus for cutting metal, sheets, plates, and the like includes a frame having a bed plate extending between opposite ends of the frame and an elongated shearing member having one end pivotally connected to the frame adjacent one end of the frame and the other end of the shearing member is movable between guide members extending upwardly from the bed plate and adjacent the other end of the frame in response to operation of an extensible member having one end thereof pivotally mounted on the one end of the shearing member and the other end thereof pivotally connected to a first pivot point of a crank arm which has a second pivot point having the other end of the shearing member pivotally connected thereto and a third pivot point having one end of a connecting link pivotally connected to the third pivot point and the connecting link has the other end thereof pivotally connected to the other end of the frame and adjacent the guide members.
REFERENCES:
patent: 3195387 (1965-07-01), Telfer
patent: 3866522 (1975-02-01), Oswalt
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