Value selection mechanism for postal franking machines

Details Value selection mechanism for postal franking machines Value selection mechanism for postal franking machines

1986-07-02

1988-07-26

Pieprz, William

Printing

Selective or progressive

Rotary machines

101110, 400185, 74 58, 74 8915, 744248A, B41L 700

Patent

active

047592834

ABSTRACT:
To enable a single motor in a franking machine to set the printing wheels in a printing drum in addition to rotating the drum and feeding items of mail through the machine, four carriages, each carrying a rocker and solenoids are mounted on two pairs of continuously rotating lead screws. Each carriage is connected by a ring shoe to a printing wheel via a selecting bar in the drum arbor. Solenoid moves rocker to engage screw to drive the carriage in one direction. Movement in the opposite direction is by screw controlled by solenoid. Each carriage sets an encoding switch to enable a microcomputer to know the state of the printing wheels. Each new value is fed, for example, by a keyboard, to the microcomputer which determines the movement, if any, of each carriage to set the new value on the printing wheels.

REFERENCES:
patent: 3188897 (1965-06-01), De Valliere
patent: 3930569 (1976-01-01), Boyden
patent: 4041793 (1977-08-01), Repay et al.
patent: 4078484 (1978-03-01), Horbal et al.
patent: 4121473 (1978-10-01), Schubert et al.
patent: 4159813 (1979-07-01), Yale
patent: 4181443 (1980-01-01), Hirabayashi et al.
patent: 4265142 (1981-05-01), Watanabe
patent: 4436031 (1984-03-01), Hori
patent: 4461588 (1984-07-01), Watanabe et al.
patent: 4603627 (1986-08-01), Pollak, Jr. et al.
patent: 4608923 (1986-09-01), Muller

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