Roller lock for releasably fastening a roller in a printing machine
AssigneeHeidelberger Druckmaschinen AG
InventorsRainer Hofmann, Werner König
Life of this patent
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Abstract
A roller lock for releasably fastening a roller in a printing machine includes a pressure piece for retaining the roller, the pressure piece serving for exerting a retention force on a shaft journal of the roller, and the roller having two stops between which a central axis of the roller extends, both a force action line of the retention force of the pressure piece exerted on the axle journal of the roller, and a force action line of a contact force exerted on a bale of the roller being directable through the central axis; and a printing machine having the roller lock.
Claims12
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.
A printing machine having a roller lock for releasably fastening a roller in the 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.
Dependencies are inferred from the claim text.