Magnetic rotary locking and tensioning mechanism

Printing – Printing members – Plate mountings

Patent

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Details

335288, 242147M, 242155M, B41F 2700, B65H 1826

Patent

active

049745123

ABSTRACT:
A magnetic rotary locking mechanism for locking a plate or sheet-like member by placing it in tension which may be adapted to provide a self-tensioning locking device for securing a printing plate to a printing cylinder in a rotary printing press. The base and rotatable bar each have formed therein a plurality of magnetic strips which generate a plurality of magnetic fields so that the bar magnetic fields are attracted to the base magnetic fields at a first angular position of the bar with respect to the base and are repelled by the base magnetic fields at a second angular position of the bar with respect to the base.

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