Stencil printer and method of stopping in place printing drum of

Details Stencil printer and method of stopping in place printing drum of Stencil printer and method of stopping in place printing drum of

1998-08-17

2000-03-21

Yan, Ren

Printing

Stenciling

Rotary machines

101486, B41L 1304

Patent

active

060389680

ABSTRACT:
In a stencil printer, a printing drum is provided with a clamp plate for clamping an end portion of a stencil master, thereby holding the stencil master on the printing drum. A paper supply mechanism supplies printing sheets to the printing drum in synchronization with rotation of the printing drum. A first motor drives the paper supply mechanism by way of a first transmission mechanism, and a second transmission mechanism is operatively connected to the first transmission mechanism to be driven by the first motor by way of the first transmission mechanism, thereby rotating the printing drum. A phase adjustment mechanism driven by a second motor drives the second transmission mechanism with the first transmission mechanism held stopped, thereby changing the relative phases of rotation of the printing drum and sheet supply operation of the paper supply means. A drum position sensor generates a detecting signal upon detection that the printing drum comes to a reference position. The first motor is driven to rotate the printing drum and is stopped upon generation of the detecting signal. Then the second motor is driven to rotate the printing drum to the reference position.

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