Rotary torsion cutting apparatus

Details Rotary torsion cutting apparatus Rotary torsion cutting apparatus

2005-01-11

2005-01-11

Shoap, Allan N. (Department: 3724)

Cutting

By means to misalign aligned apertured tools

Rotary relative movement solely about a single pivot

Reexamination Certificate

active

06840146

ABSTRACT:
A rotary torsion cutting apparatus is provided for cutting an article. The cutting apparatus includes a first plate member having a front face, a back face and a side face. The first plate member further includes a central axis and a first opening extending from the front face to the back face of the first plate member. The first opening is shaped and dimensioned for receiving an article to be cut by the rotary torsion cutting apparatus. The cutting apparatus also includes a second plate member having a front face, a back face and a side face. The second plate member further includes a central axis aligned with the central axis of the first plate member and a second opening extending from the front face to the back face of the second plate member. The second opening is shaped and dimensioned for receiving an article to be cut by the rotary torsion cutting apparatus. In addition, the second plate member is rotationally supported upon the first plate member for rotation relative thereto about a complete revolution. The first opening and the second opening are of substantially the same shape and are aligned for simultaneous positioning of an article within both the first opening and the second opening. Relative movement between the first plate member and the second plate member causes a torsion cutting of an article positioned within the first opening and the second opening.

REFERENCES:
patent: 65248 (1867-05-01), Lyon
patent: 146846 (1874-01-01), Stevens
patent: 464976 (1891-12-01), Lindfors
patent: 649850 (1900-05-01), Levalley
patent: 690083 (1901-12-01), Stolpe
patent: 1216426 (1917-02-01), Erickson
patent: 1265345 (1918-05-01), La Rock
patent: 2638985 (1953-05-01), Ross
patent: 3494233 (1970-02-01), Kojima
patent: 4958434 (1990-09-01), Marschner
patent: 6553878 (2003-04-01), Gosis et al.

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