Printer with printing hammer

Details Printer with printing hammer Printer with printing hammer

1994-12-27

1996-12-24

Wiecking, David A.

Typewriting machines

Having power-driven operator for plural functions

4001571, 400212, 400229, B41J 2334

Patent

active

055868282

ABSTRACT:
The printer such that when characters are printed, a carriage is moved in a printing direction. Corresponding to the direction of the movement of the carriage, a printing hammer driving mechanism is selected through a pivotal lever, a pendulum member, and a selecting member. In this state a solenoid is energized to make the printing hammer driving mechanism operate. When misprinted characters are to be corrected, the carriage is first moved in a character correcting direction and, corresponding to the direction of the movement of the carriage, a ribbon lift mechanism is selected through the pivotal lever, the pendulum member, and the selecting member. In this state the solenoid is energized to make the ribbon lift mechanism operate. Thereby, either the printing hammer driving mechanism or the correction ribbon lift mechanism can be selected, and these mechanisms can be selectively connected to the driving motor by one solenoid corresponding to the direction of the movement of the carriage, which makes it possible to offer a printer of low cost by decreasing the number of solenoids.

REFERENCES:
patent: 4746236 (1988-05-01), Shioda
patent: 4893950 (1990-01-01), Ragen et al.

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