Cylinder-piston unit for displacing a roll at right angles to its longitudinal axis
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United States of America Patent
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-
Apr 2, 1991
Grant Date -
N/A
app pub date -
May 1, 1989
filing date -
Apr 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Located in a stationary frame is a cylinder-piston unit, the piston of which is adapted to displace the bearing housing of a roll in a paper-making machine at right angles to the longitudinal axis thereof. The bearing housing is guided in the frame with the aid of linear guide-elements. The radial play between the piston and the cylinder-bore is greater than the transverse play between the said linear guide-elements. Furthermore, the axial length of the piston is less than the depth of the cylinder-bore. Whenever the cylinder-piston unit is relieved of its load, and the cylinder thus returns to its position of rest, it is centered in the cylinder-bore by means of a centering device.
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