Cutting – With means to monitor and control operation – Including means to correct the sensed operation
Patent
1993-06-23
1994-11-22
Seidel, Richard K.
Cutting
With means to monitor and control operation
Including means to correct the sensed operation
83171, 83344, B26D 140, B26D 143
Patent
active
053658140
ABSTRACT:
The shredding device for paper web according to the present invention is equipped with a receiving drum, the peripheral surface thereof being formed as a suction surface, a drum shaft which is arranged in parallel to the receiving drum, a bladed drum which is mounted on the drum shaft, a pair of free rollers which are rotatably mounted via bearings on the drum shaft at both sides of the bladed drum and which have a larger diameters than the bladed drum, a pair of rocking arms which are free to rock and which support both ends of the drum shaft, a pair of air cylinders which urge these rocking arms toward the receiving drum, and a control system which increases the air pressure of the air cylinders according to the thermal expansion of the free rollers and displaces the axes of the free rollers with respect to the axis of the drum shaft through the bearings.
REFERENCES:
patent: 3186275 (1965-06-01), Obenshain
patent: 3691810 (1972-09-01), Tadeusz
patent: 3731575 (1973-05-01), Gelin
patent: 4763637 (1988-08-01), Mayer
patent: 5022295 (1991-06-01), Stemmler
Japan Tobacco Inc.
Peterson Kenneth E.
Seidel Richard K.
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