Apparatus for cutting various forms out of a picture frame mat o

Details Apparatus for cutting various forms out of a picture frame mat o Apparatus for cutting various forms out of a picture frame mat o

1987-10-29

1988-12-13

Yost, Frank T.

Turning

Radially moving rotating tool inside bore

Forming non-circular bore

33 181, 33 307, 82 18, B23B 4104, B76D 310

Patent

active

047902221

ABSTRACT:
A device for cutting oval or circle shaped forms, as well as irregular or scalloped variations thereof, in picture frame mats or the like. It consists of a cutting unit releasably securable both to a stationary arm or a reciprocating arm. When the cutting mount is secured only to the stationary arm, as the stationary arm rotates, the cutting unit mount turns and a circle or oval form is cut. If the cutting unit mount is only secured to the reciprocating arm, a chain and sprocket or gear arrangement causes the reciprocating arm and cutting unit to move in and out as the oval or circle shaped form is cut. A mechanism for adjusting the desired irregular or scalloped shape is also provided.

REFERENCES:
patent: 3435716 (1969-04-01), Sjostrand
patent: 3845676 (1974-11-01), Pierce
patent: 4112793 (1978-09-01), Pierce
patent: 4662073 (1987-05-01), Prusman

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