Typewriting machines – Including type-set-assemblage mounted on carrier and... – Including type-faces movable relative to type-face-carrier
Patent
1980-03-28
1982-07-13
Pieprz, William
Typewriting machines
Including type-set-assemblage mounted on carrier and...
Including type-faces movable relative to type-face-carrier
4001345, 400 88, B41J 128
Patent
active
043392091
ABSTRACT:
A manually operated typing device comprises a pistol-shaped housing which is formed with a hollow space at the rear part for receiving the tape magazine, is formed with another hollow space at the middle part for receiving a typing handle, is formed with an extension from one of the both side walls for supporting a rotary disc and further is formed with a tape guiding groove on the longitudinally extending upper portion, a rotary disc rotatably supported on said extension from the side walls, said rotary disc being formed with a series of substantially square holes along the periphery, a plurality of typing head assemblies displaceably disposed in the respective substantially square holes of said rotary disc, a hammer member adapted to depress the selected typing head assembly, a typing handle arranged rotatable about a pivotal pin which is extended between the both side walls of the housing, said typing handle being pivotally connected to said hammer member at the front end thereof, a ratchet wheel operatively connected to the typing handle via a pivotal lever, which is intermittently rotated by an angle corresponding to one pitch of typing head, when the typing handle is released from the gripped state, and a pair of rollers adapted to intermittently unreel the tape by one pitch of typing head by means of said ratchet wheel.
REFERENCES:
patent: 1407492 (1922-02-01), Steere
patent: 2873013 (1959-02-01), Thiene et al.
patent: 3155215 (1964-11-01), Avery
patent: 3307674 (1967-03-01), Massen et al.
patent: 3372787 (1968-03-01), Humphrey et al.
patent: 3756153 (1973-09-01), Cohen
patent: 4084679 (1978-04-01), Fujita
Kabushiki Kaisha Uchida Yoko
Pearson C.
Pieprz William
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