Marking apparatus with cable drive

Details Marking apparatus with cable drive Marking apparatus with cable drive

1993-10-15

1994-11-29

Eickholt, Eugene H.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400127, 400130, 137885, 101 31, 101 28, B41J 302

Patent

active

053684001

ABSTRACT:
Marking apparatus for moving a marking head to coordinate positions utilizing two fixed stepper motors performing in conjunction with a cable and pulley drive system. The dynamics of pneumatically driven marrker pins within marker heads are accommodated for by a topology which includes a marker support base which, in turn, is supported in force transfer relationship with an air bearing which rides over a fiat platen surface. Improved marker head structure is developed utilizing a polyetherimide material and a design providing the introduction of return air into a two-component piston chamber at a location above a seating surface.

REFERENCES:
patent: 4506999 (1985-03-01), Robertson
patent: 4572680 (1986-02-01), Kurt
patent: 4591279 (1986-05-01), Speicher
patent: 4592668 (1986-06-01), Kuback et al.
patent: 4806741 (1989-02-01), Robertson
patent: 4808018 (1989-02-01), Robertson et al.
patent: 5015106 (1991-05-01), Robertson et al.
patent: 5037215 (1991-08-01), Crick
patent: 5119109 (1992-06-01), Robertson
patent: 5167457 (1992-12-01), Cyphert et al.
patent: 5316397 (1994-05-01), Robertson et al.

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