Patent ID: 6647882
Filing Date: 2003-11-18
Classification: B41F,B41P

Abstract:
A roller lock for releasably fastening a roller in a printing machine, the roller having a rotary bearing and a roller body supported on an axle journal and defining a central axis, the roller lock comprising:a bearing body for supporting the roller; said bearing body including a guide face forming an axial guide for displacing the roller axially in the direction of said central axis out of a first position and into a second position; an adjustable pressure piece disposed in said bearing body for retaining the roller, said pressure piece being adjustable selectively into and out of a clamping position, said pressure piece being in clamping contact with the rotary bearing in said clamping position for exerting a retention force on the rotary bearing and the axle journal of the roller; and two stops disposed on said bearing body engaging and supporting the rotary bearing; said pressure piece and said two stops being disposed for directing a force line of action of the retention force exerted on the axle journal and a force line of action of a contact force exerted on the roller body through the central axis of the roller and between said stops.