Workpiece support and discharge system for power squaring shears

Details Workpiece support and discharge system for power squaring shears Workpiece support and discharge system for power squaring shears

1980-05-15

1982-02-02

Meister, James M.

Cutting

With product handling means

Initiated by means directly responsive to tool movement

83156, 83157, 83373, B26D 727

Patent

active

043133576

ABSTRACT:
Apparatus is provided for supporting the end portion of a workpiece blank which extends through and to the rear of power shear blades. The apparatus includes a table top and a frame supporting the table top. The front portion of the table top is supported for limited vertical displacement by rollers on opposite sides of the table engaged in horizontal track sections of vertically displaceable tracks interposed between the table top and the frame. The rear portion of the table top is separately supported by reciprocating rear table supports on opposite sides of the table top, the rear table supports being guided for vertical displacement in vertical ways provided on opposite sides of the frame. The table top is displaceable downwardly in response to downward movement of the movable shear blade, and is tiltable rearwardly after initial downward displacement by reason of the rear table supports being allowed greater downward displacement than the rollers supporting the front portion of the table top. Power actuators are provided to lift the table top to a normal raised level position substantially at the same level as the stationary blade of the shear.

REFERENCES:
patent: 1287315 (1918-12-01), Holmes
patent: 3631750 (1972-01-01), Hanni
patent: 3861258 (1975-01-01), Irvine
patent: 4252041 (1981-02-01), Cros

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