Internal vibration dampening means for printing mechanism

Details Internal vibration dampening means for printing mechanism Internal vibration dampening means for printing mechanism

1977-03-07

1978-03-28

Rader, Ralph T.

Textiles: fiber preparation

101 9305, B41J 304

Patent

active

040810674

ABSTRACT:
In a matrix print head, a plurality of elongated printing elements, mounted in a frame, are driven axially by electromagnetic means to effect printing on record media positioned adjacent to the printing ends of the printing elements. A dampening element, of generally conical configuration, is centrally disposed in the frame, within the volume defined by the plurality of printing elements, in order to dampen the bending and vibration of the printing elements, and thus reduce or eliminate consequent fatigue failure.

REFERENCES:
patent: 3897865 (1975-08-01), Darwin et al.
patent: 3900094 (1975-08-01), Larsen et al.
patent: 3929214 (1975-12-01), Hebert
patent: 3991871 (1976-11-01), McIntosh
patent: 4004671 (1977-01-01), Kondur

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