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US 4,069,758 AGranted
Ink roll with fabric cover retention and protection device
AssigneeBurroughs Corporation
InventorRussell William Docteur
Life of this patent
Estimating the term…
Abstract
Disclosed is a fabric covered ink roll and method of making same. The ink roll has side washers with peripheral lips clinching the fabric cover into the roll. The method disclosed can be performed semi-automatically using a collapsible mandrel which permits the roll to be covered with fabric and the fabric clinched to the roll.
Claims5
A fabric ink roll comprising,
- a cylindrical core roll having a smaller measurement across the width of the outer exposed surface than the diameter, said roll being covered with a fabric sock drawn taut about the outer exposed surfaces thereof, a pair of retaining washers, one on each flat side of said cylindrical core roll, each washer having an outer peripheral lip or rim extension bearing means extending into the core roll for distributing load applied to the outer exposed surface and for clinching the fabric sock into the core roll to clamp and retain the fabric sock taut about the outer surface of the core roll, said peripheral lip or rim extension bearing means being positioned in said core roll closer to the outer diameter of the core roll than to the center of the cylinder cylindrical core roll
- and said retaining washers each having a plurality of apertures formed therein and the core roll has corresponding recesses punched therein which are adapted to allow ink to penetrate the core roll.
Dependencies are inferred from the claim text.