Print wheel with self-contained means for print wheel alignment

Details Print wheel with self-contained means for print wheel alignment Print wheel with self-contained means for print wheel alignment

1985-05-14

1989-03-07

Pearson, Charles A.

Typewriting machines

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

Including type-faces movable relative to type-face-carrier

400175, B41J 104, B41J 130

Patent

active

048101141

ABSTRACT:
A print wheel for serial printing devices of the type wherein print fonts are arranged upon a disc print wheel member. The print wheel has both coarse alignment and fine alignment means formed therein; the coarse alignment means for driving the print wheel, and the fine alignment means for accurately positioning the wheel during hammer impact.

REFERENCES:
patent: 3384216 (1968-05-01), Thayer
patent: 3677386 (1972-07-01), Herterich et al.
patent: 3817367 (1974-06-01), Tramposch et al.
patent: 3878929 (1975-04-01), Orlens et al.
patent: 3921780 (1975-11-01), Gentzlinger et al.
patent: 4119384 (1978-10-01), Keiter
patent: 4124312 (1978-11-01), Johnson
patent: 4198169 (1980-04-01), Stuiber et al.
patent: 4209262 (1980-06-01), Savage
patent: 4239400 (1980-12-01), Giolitti
patent: 4338034 (1982-07-01), Babler
IBM Technical Disclosure Bulletin, vol. 16, No. 5, Oct. 1973, p. 1515, "Character Wheel for Low-Cost Changeable Font Printer", by Branson et al.
IBM Technical Disclosure Bulletin, vol. 22, No. 1, Jun. 1979, pp. 1-3, "Impact Printer with Cassette Daisy Wheel Type Font", by Roberti et al.

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