Drum support assembly for a printing machine and printing machine
AssigneeBobst Bielefeld GmbH
InventorRenzo MELOTTI
Life of this patent
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Abstract
A drum support assembly (30, 32) for a printing machine is presented. It comprises a drum support body (30a, 32a) having a bearing interface (30b, 32b) for a drum, a lower guide (34) supporting the drum support body (30a, 32a) at a lower end thereof, and an upper guide (36) supporting the drum support body (30a, 32a) at an upper end thereof. Additionally, a pre-tensioning unit (50) is provided pre-tensioning the drum support body (30a, 32a) against the lower guide (34) and/or the upper guide (36). Furthermore, a printing machine is described, comprising a drum and a drum support assembly (30, 32) as described above.
Claims14
A drum support assembly for a printing machine, the drum support assembly comprising:
- a drum support body having a bearing interface for a drum,
- a lower guide supporting the drum support body at a lower end thereof,
- an upper guide supporting the drum support body at an upper end thereof, and
- a pre-tensioning unit for pre-tensioning the drum support body against the lower guide and/or the upper guide, wherein the pre-tensioning unit comprises a pressure piece and a spring element, wherein the spring element is adapted for applying a spring force on the pressure piece, and
- wherein the pressure piece is mounted on the drum support body and frictionally engages the lower guide and/or the upper guide, or
- wherein the pressure piece is mounted on one of the upper guide and the lower guide and frictionally engages the drum support body.
Dependencies are inferred from the claim text.