Pawl-and-ratchet mechanisms

Full Title

Character- or line-spacing mechanisms > Line-spacing mechanisms > Positive-feed mechanisms > Pawl-and-ratchet mechanisms

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS

Subclass:

TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS

Child Classifications

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• B41J 19/82 moving a paper or like carriage
• B41J 19/88 moving a type carriage
• B41J 19/9 moving a paper or like web or strip, e.g. over a stationary support, automatically in response to movements other than carriage return