Printing wheel

Details Printing wheel Printing wheel

1975-06-20

1976-08-31

Burr, Edgar S.

Printing

Special article machines

101375, B41F 1700, B41F 1310

Patent

active

039773175

ABSTRACT:
A printing wheel for use in code marking machines is comprised of a hollow cylindrical type carrier rotatably mounted on a stationary spindle assembly, the type carrier and spindle assembly each containing magnetic members which align to keep the type carrier in a fixed position until rotated by an external force. A magnetic damper means may be provided to prevent oscillation or "hunting" of the type carrier when it returns to the null or fixed position by magnetic attraction between the fixed and rotating magnets.

REFERENCES:
patent: 3306416 (1967-02-01), Dahlin et al.
patent: 3314214 (1967-04-01), Burt
patent: 3596593 (1971-08-01), Wada
patent: 3702000 (1972-10-01), Delligatti
patent: 3808970 (1974-05-01), Delligatti

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