Jet drop printer with elements balanced about support plate in n

Details Jet drop printer with elements balanced about support plate in n Jet drop printer with elements balanced about support plate in n

1978-12-18

1980-04-15

Miller, Jr., George H.

Recorders

Record receiver deforming

346140R, G01D 1518

Patent

active

041986431

ABSTRACT:
a jet drop printer includes a reservoir means defining an ink receiving manifold and an orifice means defining a plurality of orifices communicating with the manifold. A plurality of continuously flowing ink streams emerge from the orifices as ink is applied to the manifold under pressure. A drop control means control the trajectories of drops which break off from the streams such that drops are selectively deposited upon a print medium. A support plate supports the reservoir means and the orifice means and is held by a support structure. Piezoelectric transducers are also supported by the support plate and vibrate at a frequency near the natural frequency of the streams, thus causing drops of uniform size and spacing to break off from the streams. A reaction mass is supported by the support plate and is positioned relative to the transducers, the reservoir means and the orifice means such that a vibrational nodal plane passes through the support plate. The support structure is thereby mechanically decoupled from vibrations impressed upon the other elements of the printer.

REFERENCES:
patent: 3586907 (1971-06-01), Beam et al.
patent: 3667678 (1972-06-01), Haskell
patent: 3683396 (1972-08-01), Keur et al.
patent: 3739393 (1973-06-01), Lyon et al.
patent: 3927410 (1975-12-01), Pimbley
patent: 3999190 (1976-12-01), Brown et al.
patent: 4005435 (1977-01-01), Lundquist et al.
patent: 4012745 (1977-03-01), Brown et al.
patent: 4095232 (1978-06-01), Cha

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