Device for supporting a print head

Details Device for supporting a print head Device for supporting a print head

1990-02-12

1991-02-05

Reinhart, Mark J.

Recorders

Markers and/or driving means therefor

Stylus feature

346139C, 346 76PH, 400120, G01D 1516

Patent

active

049909371

ABSTRACT:
A device for supporting a print head includes a tabular print head capable of contacting a platen, the print head being mounted on a head-supporting plate retained by a supporting shaft. A central part of the supporting shaft is supported on a fixed receiver plate. The head-supporting plate is subjected to spring forces from two springs on both sides of the receiver plate. Side plates are provided with elongated grooves extending normal to a tangential direction at a contact point of the platen with the print head, and both ends of the supporting shaft extend through the grooves. Displacement takes place at both ends of the supporting shaft, corresponding to distortion and deflection of the platen in cooperation with the grooves. The laterally elongate print head uniformly contacts over its entire length against the platen with automatic equilibrium requiring no adjustment.

REFERENCES:
patent: 4626873 (1986-12-01), Kotani et al.

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