Slitter apparatus

Details Slitter apparatus Slitter apparatus

1983-09-15

1985-03-26

Schran, Donald R.

Cutting

Rotatable disc tool pair or tool and carrier

Tool pair comprises rotatable tools

83500, 83501, 83564, B26D 124, B26D 726

Patent

active

045065772

ABSTRACT:
A slitter apparatus for slitting a sheet member such as a corrugated cardboard or the like into predetermined widths. At least one pair of upper and lower rotary cutters and at least one pair of upper and lower shifters corresponding thereto being disposed above and below a conveying passage for the sheet member. The pair of upper and lower shifters being operatively arranged to be moved slidably along on respective guide rods by respective feeding screws. The pair of upper and lower rotary cutters being selectively imparted with a predetermined shift movement. At least one of the upper and lower rotary cutters being rotatably supported on one end portion of a supporting arm, and the other end portion of the supporting arm being in threaded engagement with a screw rod provided in parallel with the guide rods so that the supporting arm may be swingable about the screw rod and also may be movable along the axial direction of the turning screw rod. A first driving member is operatively mounted for swinging the supporting arm and a second driving member is operatively mounted for turning the screw rod.

REFERENCES:
patent: 3041907 (1962-07-01), Gallagher
patent: 3185010 (1965-05-01), Printz et al.
patent: 3186281 (1965-06-01), Wingen
patent: 3376774 (1968-04-01), Collins

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