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US 4,510,865 AGranted
Gravure pressure rollers with axis of variable shape
AssigneeComponenti Grafici S.r.l.
InventorBruno Molinatto
Life of this patent
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Abstract
A gravure pressure roller with an axis of variable shape, in which the outer jacket (2), rotated coaxially to and inside the jacket (2) of the roller by the shaft (3), is supported at its ends by bearings (10) and at the mid-part by levers (21) coupled in an articulated manner to the mid-part of the shaft (3), so as to be in contact with the inner surface (7) of the jacket (2), contacting the same with the intercalation of bearings (22) and actuators (15) inserted between the shaft (3) and each lever (21).
Claims14
A pressure roller having a variable shape, comprising:
- a central shaft having a central part;
- an outer cylindrical jacket having opposite ends rotatably mounted on said central shaft and having a longitudinal axis;
- actuator means, located within said outer jacket, for transmitting a deflecting force onto said axis of said outer jacket, said actuator means including a first lever pivotally coupled to said central part about a first pivot axis perpendicular to said longitudinal axis and including a first thrust means for applying pressure to said first lever in a direction radially outwardly of said outer jacket, said first lever extending substantially parallel to said shaft;
- and
- first bearing means, between said first lever and an inner surface of said outer jacket, for transmitting radially outwardly directed forces from said first lever to said outer jacket.
2 more elements
Dependencies are inferred from the claim text.