Cutting – Other than completely through work thickness or through work... – Scoring
Patent
1997-09-05
1999-07-27
Rada, Rinaldi I.
Cutting
Other than completely through work thickness or through work...
Scoring
835082, 83666, 8369851, 83955, 225 96, B26D 308, B26D 726
Patent
active
059271752
ABSTRACT:
A cutting device for cutting elongate flat-walled tubular stock into preselected lengths which cutting device includes opposed circular cutting blades that are laterally movable to effect a transverse cut across the tubing. The cutting blades are rotatably mounted and engaged with a locking assembly to prevent rotation thereof. Each cutting blade includes a peripheral cutting edge incrementally defining a plurality of contact portions with one contact portion being disposed in an active cutting position and the remainder of the contact portions being disposed in inactive standby positions. Each cutting portion has an arcuate shape so as to minimize the vertical components of the cutting force being applied thereby as the depth of the cut approaches an interior surface of the tubing. Disengagement of the locking assembly permits incremental rotation of the cutting blade so as to move an unused contact portion from an inactive cutting position to the active cutting position to replace a contact portion which has become worn.
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Clark David C.
Franks Lawrence A.
Burr Oak Tool and Gauge Company, Inc.
Goodman Charles
Rada Rinaldi I.
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