Rotary nibbler

Details Rotary nibbler Rotary nibbler

1986-03-07

1987-07-14

Schran, Donald R.

Cutlery

Cutting tools

Plural cooperating blades

30265, 30228, 83350, 83596, 83916, B23D 2702

Patent

active

046793232

ABSTRACT:
A rotary type nibbler comprising a spindle having a helical groove, the spindle being rotatable in a body which terminates in a flat workpiece engagement face which is at an angle with respect to the axis of rotation approximating the helix angle of the groove so that the edge of a workpiece when urged into engagement with the root of the groove will have cut from it a crescent shaped slug.

REFERENCES:
patent: 4051596 (1977-10-01), Hofmann
patent: 4074603 (1978-02-01), Bengtsson
patent: 4249309 (1981-02-01), Karr

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