Drive mechanism for a reciprocating printer carriage

Details Drive mechanism for a reciprocating printer carriage Drive mechanism for a reciprocating printer carriage

1977-12-09

1980-01-01

Sewell, Paul T.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage-feed mechanism

4003171, 400322, B41J 1922

Patent

active

041814436

ABSTRACT:
A printer including a print head adapted for reciprocal displacement across a print tape for effecting printing on the tape in at least one direction of the displacement is provided. The print head is engaged with a timing belt operatively coupled to a drive assembly for selectively advancing the belt in one direction either intermittently or continuously. A direction shift assembly is provided for selectively operatively coupling the print head to the timing belt at either of two locations for selectively displacing the print head in opposed directions. The printer also includes a clutch assembly for selectively transmitting unidirectional rotation power from a motor to the timing belt.

REFERENCES:
patent: 2911835 (1959-11-01), Smith
patent: 2939321 (1970-06-01), Shovic
patent: 3303513 (1967-02-01), Woods et al.
patent: 3318431 (1967-05-01), La Pointe et al.
patent: 3489020 (1970-01-01), Angst
patent: 3726381 (1973-04-01), Murphy
patent: 3819028 (1974-06-01), Drillick
patent: 3945022 (1976-03-01), Distler
patent: 4050564 (1977-09-01), Carmichael et al.
patent: 4076111 (1978-02-01), Robinson et al.
patent: 4084681 (1978-04-01), Heinzl et al.

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