Impact mechanism for impact printer

Details Impact mechanism for impact printer Impact mechanism for impact printer

1988-06-14

1989-08-22

Burr, Edgar S.

Typewriting machines

Including type-set-assemblage mounted on carrier and...

Imprint by movement of record-medium against type-face

101 9331, 101 9348, B41J 9133

Patent

active

048590967

ABSTRACT:
An impact mechanism for use in an impact printer, to deliver a printing force to drive a character element against a platen by means of a print tip movable toward and away from the platen. A rockable bail bar having having an axis of rotation substantially parallel to the axis of the platen is constrained to limited angular movement toward and away from the platen by a prime mover connected to the bail bar. A push rod interconnects the print tip and the bail bar so as to close the throat distance for delivering an impact force to the platen as the bail bar is moved toward the platen. A repositioning element, having a portion thereof in alignment with the bail bar, allows the push rod to be drawn away from the platen while being interconnected thereto so as to allow access to and removal of the character element.

REFERENCES:
patent: 4023662 (1977-05-01), Renucea
patent: 4086997 (1978-05-01), Wu
patent: 4652153 (1987-03-01), Kotsuzumi et al.
patent: 4657415 (1987-04-01), Kikuchi et al.
patent: 4668112 (1987-05-01), Gabor et al.
patent: 4678355 (1987-07-01), Gabor et al.
patent: 4681469 (1987-07-01), Gabor
patent: 4737043 (1988-04-01), Gabor et al.

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