发明授权
- 专利标题： Line space adjustment device for use with typewriter
- 专利标题（中）： 用于TYPEWRITER的线空间调整装置
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申请号： US3643776D申请日： 1968-12-16
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公开(公告)号： US3643776A公开(公告)日： 1972-02-22
- 发明人: TANAKA YOSHITSUGU
- 申请人： RICOH KK
- 专利权人： Ricoh Kk
- 当前专利权人： Ricoh Kk
- 优先权： JP8175867 1967-12-20
- 主分类号： B41J19/84
- IPC分类号： B41J19/84 ; B41J19/92 ; B41J19/76
摘要：
A line space adjustment device for a typewriter comprising a set of ratchet wheels having different pitches to provide different line spacing. Separate engaging levers are selectively engageable with each ratchet wheel, and each of the levers is operated by a common electromagnet and associated linkage to provide a selective desired spacing. Line spacing is also provided by a manually operated release lever.
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