Mailing machine including improved driving means circuit

Details Mailing machine including improved driving means circuit Mailing machine including improved driving means circuit

1989-02-08

1989-11-21

Eickholt, E. H.

Printing

Rolling contact machines

Rotary

101 91, 271265, 271258, B41F 1324

Patent

active

048814610

ABSTRACT:
In a mailing machine including a postage meter and means for feeding a sheet through and from the machine, wherein the postage meter includes rotary printing structure for printing indicia on a sheet fed through the machine, and the machine includes apparatus for driving the printing structure, wherein the driving apparatus includes a drive gear for rotating the printing structure, the driving apparatus includes a shutter bar movable into and out of locking engagement with the drive gear, the driving appartus includes an actuating member for moving the shutter bar, and wherein the machine includes trip structure for sensing a sheet, an improvement comprising: a source of supply of d.c. power; a circuit for controlling the driving apparatus, the circuit including a trip switch actuatable in response to the trip structure sensing a sheet fed to the machine; the driving apparatus responsive to actuation of the trip switch for causing the actuating member to move the shutter bar out of locking engagement with the drive gear and then causing the drive gear to rotate; and the circuit including structure for disabling the trip switch for a predetermined time period after the driving apparatus commences rotating the drive gear.

REFERENCES:
patent: 2871781 (1959-02-01), Schremfp
patent: 2934009 (1962-04-01), Bach et al.
patent: 4002117 (1977-01-01), Ritzerfeld
patent: 4037535 (1956-10-01), Struther et al.
patent: 4643089 (1987-02-01), Salazar et al.
patent: 4731728 (1988-03-01), Muller
patent: 4759283 (1988-07-01), Gilham et al.

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