Ribbon feed increment change mechanism and coded ribbon cassette to establish feed increment

US4662766A · kind A · utility

Assignee

• Triumph-Adler A.G. · DE

Inventors

• Friedrich Teichmann · Feucht, DE
• Karl Wenderoth · Bad Vilbel, DE

Key dates

• Filing date: Feb 11, 1982
• Grant date: May 5, 1987
• Expiry date: Feb 11, 2002

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41J33/36
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

Mechanism for automatically adjusting the feed increment according to the type of ribbon in a ribbon cassette is characterized by a pawl and feed ratchet and to means operative by coded features on a cassette, when the cassette is mounted, to control the interval of engagement of the pawl and feed ratchet.