DRUM FOR CARRYING AND DELIVERING SHEET
PURPOSE: To enable even a partially covered drum to receive uniform sucking action and a sheet without wrinkles to be delivered by constituting a drum base body by end faces fixed to a hollow shaft and support disk plates between the end faces and equipping chambers in the drum jacket face of the di...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE: To enable even a partially covered drum to receive uniform sucking action and a sheet without wrinkles to be delivered by constituting a drum base body by end faces fixed to a hollow shaft and support disk plates between the end faces and equipping chambers in the drum jacket face of the disk plates. CONSTITUTION: A support member 9 is fixed by supporting member 11, 12 which are combined with the outer support disk plate 8. One support member 11 is supported at a prescribed position and the other support member 12 is rotatably supported centering on the shaft 31. The member 12 is used as a quick closing member to replace a member 9 in the drum 1. Accordingly the member 9 has a support member on each of four corners and the supporting members are spring-elastically supported via a ball sheet 32 and a compression spring 33. Members 11, 12 are showed only on one member 9. The left member 11 on the sheet front edge is constituted as a movable support part and a right member 12 on the sheet rear edge as a movable support part. Superposed sheets, wrinkled sheet, and damage by a foreign matter are eliminated by the support by the member 9. |
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