Typewriting machines – Including type-set-assemblage mounted on carrier and... – Type-head – per se
Patent
1986-01-30
1988-02-09
Pieprz, William
Typewriting machines
Including type-set-assemblage mounted on carrier and...
Type-head, per se
4001442, B41J 130
Patent
active
047238569
ABSTRACT:
The device comprises a flange (14) which is fixed to the shaft (12) of the motor and which is provided on its front face with a plurality of radial teeth (28) spaced by recesses each having their active side surfaces parallel to each other and to the radial line through the recess. Removably connected to the character-carrying disc (11) coaxially therewith is another disc (35) of smaller diameter which is provided on its outward front surface with radial teeth (48) having their active side surfaces (50) parallel to each other and capable of being coupled to the radial recesses of the flange which is fixed to the motor shaft. On the other front surface, hooks (38, 39) engage in holes (21, 23) in the disc. In an alternative embodiment the teeth (48) are integral with the hub (16) of the disc (11) itself.
REFERENCES:
patent: 3878929 (1975-04-01), Orlens et al.
patent: 4036348 (1977-07-01), Guerrini
patent: 4124312 (1978-11-01), Johnson
patent: 4264220 (1981-04-01), Okcuoglu
patent: 4299502 (1981-11-01), Harre
patent: 4338034 (1982-07-01), Babler
patent: 4389130 (1983-06-01), Giolitti
patent: 4403876 (1983-09-01), Vought
patent: 4507001 (1985-03-01), Babler
patent: 4553868 (1985-11-01), Crosio
IBM Technical Disclosure Bulletin, "Impact Printer with Cassette Daisy Wheel Type Font", by Roberti et al., vol. 20, No. 1, 6-78, pp. 1-3.
Carena Ugo
Musso Pietro
Ing. C. Olivetti & C. S.p.A.
Pieprz William
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