Printer having automatic paper positioning means

B - Operations – Transporting – 41 – J

Patent

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197/83

B41J 11/00 (2006.01) B41J 13/22 (2006.01)

Patent

CA 1218952

PHD 83 004 13 ABSTRACT In a printer according to the invention, the drum has at least one slot for receiving sheet-like record car- riers, which extends in the circumferential direction and into which clamping means can be inserted for holding the record carrier with clamping fit. The control of the clamping means is effected, for example, by means of disks which are secured adjacent the end faces of the drum and whose circumference is also engaged by the clamping means. The disks are provided at their outer side with a first stopper element, which resiliently co-operates with a second stopper element secured to the housing of the device in such a manner that upon rotation of the drum in the printing direction of rotation both stopper elements slip one over the other and upon rotation of the drum in oppos- ite direction prevent the rotation of the disk. Thus, the clamping means are passed out of the slot. On the con- trary, upon rotation of the drum in the printing direction of rotation, the disks, which are connected to the drum through a tensile spring, are moved in a direction oppos- ite to the printing direction of rotation so that the clamping means are thus again pressed into the slot.

444749

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