Rotary nibbler

Details Rotary nibbler Rotary nibbler

1984-11-07

1986-06-10

Schran, Donald R.

Cutlery

Cutting tools

Plural cooperating blades

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

Patent

active

045934657

ABSTRACT:
A rotary type nibbler comprising a spindle having a helical groove, the spindle being rotatable in a bearing sleeve 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: 3143911 (1964-08-01), Dickerson
patent: 3618611 (1971-11-01), Urban
patent: 4074603 (1978-02-01), Bengtsson
patent: 4249309 (1981-02-01), Karr
patent: 4312610 (1982-01-01), Burt

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