Manufacturing container or tube from paper; or other manufacturi – With cutting – breaking – tearing – or abrading – Making plural – separate cuts by distinct cutting edges
Patent
1993-02-17
1994-09-06
Lavinder, Jack W.
Manufacturing container or tube from paper; or other manufacturi
With cutting, breaking, tearing, or abrading
Making plural, separate cuts by distinct cutting edges
83332, B31B 114, B31B 125
Patent
active
053443772
ABSTRACT:
Multiple-station article processing apparatus (10) is provided which includes an adjustable processing station (14), a drive train (20), and a selectively operable drive train brake assembly (22) operable during adjustment of station (14). The preferred apparatus (10) is designed for fabrication of box blanks, and to this end includes an infeed assembly (12) for sequentially feeding paperboard sheets into the downstream scoring/slotting station where the sheets are scored and slotted to yield finished box blanks. During makeready adjustments when the position of the knives (66, 68) of the station (14) are changed, the braking assembly (22) is actuated to prevent unintended rotation of the drive train (20), which can result in changing the properly timed relationship of the stations within apparatus (10). The braking assembly (22) preferably includes a drum (80) secured to line shaft (74) of drive train (20), with a pair of pivotally mounted brake arms (88, 90) adjacent the drum (80); a piston and cylinder assembly (98) interconnects the outer ends of the arms (88, 90), and is actuated to move the arms (88, 90) into braking engagement with drum (80) during makeready adjustments.
REFERENCES:
patent: 3067643 (1962-12-01), Ward, Jr.
patent: 3466982 (1969-09-01), Sullivan
patent: 3952637 (1976-04-01), Lambert
patent: 4003300 (1977-01-01), Grobman
patent: 4090433 (1978-05-01), Jardine
patent: 4805502 (1989-02-01), Ishigure
Lavinder Jack W.
Lawrence Paper Company
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