发明名称 AUF ZWEI UNTERSCHIEDLICHE ZEILENABSTAENDE EINSTELLBARE ZEILENSCHALTVORRICHTUNG FUER EINE SCHREIBWALZE
摘要 A line feed ratchet arrangement is disclosed which allows selectability between two different line feeds such as the 5 1/3 lines per inch and six lines per inch and utilizes a drive pawl arrangement having two pawls driven identically. The drive ratchets are selectively engaged by coaxial shifting of a drive member in response to operator movement of a selector knob or similar control.
申请公布号 DE2723716(A1) 申请公布日期 1977.12.15
申请号 DE19772723716 申请日期 1977.05.26
申请人 INTERNATIONAL BUSINESS MACHINES CORP. 发明人 HAROLD CASTLE,WILLIAM;RAY CROWE,WILLIAM;LESTER HERRIFORD,JAMES
分类号 B41J19/96;(IPC1-7):B41J19/86 主分类号 B41J19/96
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