Dome and round parts rotary marker

Details Dome and round parts rotary marker Dome and round parts rotary marker

1992-02-11

1993-03-02

Burr, Edgar S.

Typewriting machines

Typing to produce embossed character

Character embossed or typed on nonplanar article

400134, 101 35, B41J 130

Patent

active

051903849

ABSTRACT:
A rotor supports a plurality of marking devices in spaced relation around the arcuate surface of an object to be marked which is fixed relative to the rotor. The rotor is mounted for rotation about an axis which is coaxial with an axis of the object to be marked. The rotor is also linearly movable on the axis. Each marking device includes a single impact pin positioned to extend and retract relative to the object to impress an identification mark, such as a dot, on the arcuate surface of the object. The impact pins are remotely controlled by a computer to inscribe on the object an array of dots in parallel rows to form desired programmed characters on the object. The impact pins are moved in a raster pattern by rotational and linear movement of the rotor in a preselected direction relative to the object. The impact pins are actuated to impress dots on the surface of the object in a first arcuate row. The rotor is then linearly advanced to place the impact pins in position for impressing dots in a second arcuate row spaced from the first row. The rotor rotates in a direction opposite to the first direction as dots are simultaneously impressed in an arcuate path on the object in the second row. The rotor is again linearly advanced to position the pins for the next arcuate row of dots.

REFERENCES:
patent: 3054494 (1962-09-01), Rizzetti
patent: 3630334 (1971-12-01), Connolly et al.
patent: 4428283 (1984-01-01), Rudolph et al.
patent: 4898485 (1990-02-01), Speicher

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