Cutting – With means to convey work relative to tool station – Cut made parallel to direction of and during work movement
Patent
1991-04-05
1992-07-07
Yost, Frank T.
Cutting
With means to convey work relative to tool station
Cut made parallel to direction of and during work movement
83498, 83499, 835082, 835083, B26D 124
Patent
active
051272954
ABSTRACT:
An apparatus for longitudinally cutting a longitudinally moving web has upper and lower guides flanking the web and extending transversely thereof parallel to each other, respective upper and lower blade holders riding on and displaceable along the guides transversely of the web, respective upper and lower blades on the holders engageable with the web, and respective upper and lower threaded adjustment spindles extending through the holders. Respective upper and lower half nuts are movable on the holders between coupled positions threadedly engaging the respective spindles and coupling the respective holders thereto and uncoupled positions out of engagement with the respective spindles. Respective upper and lower clamping rods extend through the holders and respective upper and lower clamping shoes are displaceable on the holders between clamping positions engaging the respective spindles and locking the respective holders thereon and released positions out of engagement with the respective spindles. Actuators are provided to displace the half nuts of the respective holders into the coupled position and to displace the respective shoes into the released position in an adjustment mode and to displace the half nuts of the holders into the uncoupled positions and to displace the shoes into the blocking position in a cutting mode. A drive rotates the spindles and thereby transversely displaces the holders and blades only in the adjustment mode of the actuator.
REFERENCES:
patent: 3886833 (1975-06-01), Gunn et al.
patent: 4069749 (1978-01-01), Olsen et al.
patent: 4077291 (1978-03-01), Obenshain
patent: 4269097 (1981-05-01), Linn
patent: 4516454 (1985-05-01), Mosburger
patent: 4887502 (1989-12-01), Voges
Hax Wolfgang
Nowak Josef
Dubno Herbert
Reifenhauser GmbH Maschinenfabrik
Schrock Allan M.
Wilford Andrew M.
Yost Frank T.
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