Pump configuration for an ink supply tank of an inking system in

Details Pump configuration for an ink supply tank of an inking system in Pump configuration for an ink supply tank of an inking system in

1992-05-04

1993-03-16

Fisher, J. Reed

Printing

Inkers

Fountains

B41F 3108

Patent

active

051934604

ABSTRACT:
A franking and value stamping machine includes an inking system with a housing, inking rollers, and inlet and return necks. A pump assembly includes tube or hose connections communicating with the inlet and return necks. An ink supply tank that communicates with the tube or hose connections has two ink containers. A guide tube provides communication between the ink containers. A threaded spindle is supported in the guide tube and driven by an electric motor through a coupling as a pumping unit.

REFERENCES:
patent: 2573336 (1951-10-01), Holmwood
patent: 3540412 (1970-11-01), Lloyd

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