Type selection mechanism for a printer

Details Type selection mechanism for a printer Type selection mechanism for a printer

1986-12-03

1987-12-29

Crowder, Clifford D.

Printing

Selective or progressive

Bed and platen machines

101 9321, 101 9348, B41J 148

Patent

active

047152770

ABSTRACT:
A printer includes a drive claw associated with a printing wheel and having a projection engageable with axial, circumferential grooves of a drive shaft. The printing wheel is linked to and rotated by the drive shaft when the projection of the drive claw engages one of the grooves. However, during type selection, a selection claw engages teeth of a selection ratchet to stop the rotation of same, so that when an engagement means of the selection ratchet engages the drive claw, the projection of the drive claw disengages from the groove of the drive shaft, so as to detach the rotation transmitting relationship between the drive shaft and the printing wheel.

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