F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/200
F16H 1/22 (2006.01) B41F 13/012 (2006.01) F16H 55/17 (2006.01)
Patent
CA 1147983
ABSTRACT OF THE DISCLOSURE The specification discloses a device for driving or synchronizing cylinders in offset printing presses to minimize problems in two or multi-colour presses; such as mackling or displacement of half-tone dots caused by cylinders not being precisely synchronized. These problems are caused by turning errors such as gearing errors and radial and axial runout of the drive gear when mounted on the cylinder journal. The invention overcomes these problems by having a displacement or deformation device revolve co-axially with the driving gears of each individual cylinder to correct the specific deformation of the corresponding drive gear or the displacement of the drive gear relative to the axis of the cylinder.
331063
Jeschke Willi
Rambausek Hugo
Schilling Paul
Heidelberger Druckmaschinen Aktiengesellschaft
Johnson Douglas S. Q.c.
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