Ink jet recording instrument

Details Ink jet recording instrument Ink jet recording instrument

1980-02-05

1981-05-19

Miller, Jr., George H.

Recorders

Record receiver deforming

346140R, G01D 1518

Patent

active

042688370

ABSTRACT:
For improving the class of measuring quality of ink jet recorders the invention provides for a rigid connection of the permanent magnet of the electromagnetic driving system with the securing point of the capillary tube within the ink supply system by means of a torsion-resistant coupling element. It is suggested to place the securing point of said coupling element with said capillary tube as close as possible adjacent to the exit nozzle so that deviations of deflection of the exit nozzle by tumbling motions of the nozzle are prevented. The torsion-resistant coupling element transmits the instantaneous value of the exit nozzle deflection from the securing point to the measuring value detector of the control system of the ink jet recorder. Preferably, the coupling element is a length of a glass tube supported for rotation about its axis by two bearings placed upstream and downstream of the permanent magnet.

REFERENCES:
patent: 2566443 (1951-09-01), Elmgrist
patent: 4100550 (1978-07-01), Elmgrist et al.

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