Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Carriage-feed mechanism
Patent
1979-05-23
1981-10-13
Wright, Jr., Ernest T.
Typewriting machines
Carriage or carriage-moving or movement-regulating mechanism
Carriage-feed mechanism
400322, 400323, 400335, 101 9315, 74 30, B41J 1900
Patent
active
042945542
ABSTRACT:
A driving device for a printing carriage (20) with print head (22) including printing elements (24) which print characters on a data carrier includes a motion converting means (14) with a closed gear path (16) converting the rotational movement of a motor driven pinion (10) to a reciprocating movement of the printing carriage along the data carrier. Two pivotable gear segments (26, 28) which are in engagement with each other and with the motion converting means move the printing carriage in any of two directions parallel with the data carrier when the pinion is in engagement with any one of two straight gear paths (16a) on the motion converting means and permit the displacement of the motion converting means perpendicularly to said directions when the pinion is in engagement with any one of two curved gear paths (16b) which connect said straight paths (16a) on the motion converting means.
REFERENCES:
patent: 1025796 (1912-05-01), Feidt
patent: 3826915 (1974-07-01), Giolitti et al.
patent: 4112840 (1978-09-01), Englund
Svenska Kassaregister AB
Wright, Jr. Ernest T.
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