Twist-shearing apparatus

Details Twist-shearing apparatus Twist-shearing apparatus

1990-08-23

1991-11-19

Watts, Douglas D.

Cutting

By means to misalign aligned apertured tools

Rotary relative movement solely about a single pivot

83589, 83602, B23D 2304

Patent

active

050656538

ABSTRACT:
An apparatus for shearing extruded stock includes a stationary die and a rotatable die mounted adjacent one another wherein the rotatable die moves through a limited angle of rotation through the operation of a cam acting on a lever linked to the spindle in which the rotatable die is mounted. The cam undergoes a full 360.degree. of rotation although the rotatable die undergoes a limited angle of rotation. A spring or regulated pneumatic cylinder is provided to bias the rotatable die to the home position after cutting of the extruded stock.

REFERENCES:
patent: 690083 (1901-12-01), Stolpe
patent: 2744574 (1956-05-01), Fulger
patent: 3084795 (1963-04-01), McArthur
patent: 3998117 (1976-12-01), Fujibayashi
patent: 4438670 (1984-03-01), Johnson
patent: 4887447 (1989-12-01), Schweitzer

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