Pen recorder

Details Pen recorder Pen recorder

G - Physics

01

D

234/25

G01D 9/00 (2006.01) B41J 2/49 (2006.01) G01D 15/16 (2006.01)

Patent

CA 1237108

ABSTRACT OF THE DISCLOSURE A pen recorder comprising a pen which is adapted to be placed in contact with a recording paper, a return spring which is capable of energizing a pen so that it is separated from the recording paper and a push-out means which pushes the pen so that it can be placed in contact with the recording paper. This push- out means includes a push-lever urging the pen towards the recording paper against a spring force larger than that of the return spring. During the printing operation, this push-lever is separated from the roller, while during the waiting con- dition, it engages the roller. Accordingly, stabilized pen feed rate and contact pressure of pen can be realized during printing operation.

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