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1. 发明授权

US3776130A Locking arrangement for manually set printing wheels 失效
标题翻译：手动设置打印轮的锁定装置
公开(公告)号：US3776130A
公开(公告)日：1973-12-04
申请号：US3776130D
申请日：1972-10-06
申请人： JANOME SEWING MACHINE CO LTD
发明人： TAMIYA Y
IPC分类号： B41F3/20 , B41J5/04 , B41L49/02 , B41J1/28
CPC分类号： B41J5/04
摘要： A set of printing wheels with circumferentially spaced types and arresting recesses, can be set to digital printing positions by manual setting means. An axial row of spring biassed arresting pawls engages a row of the arresting recesses, and yield resiliently while the printing wheels are turned during setting to a selected number. The pawls have locking recesses cooperating with a locking bar extending at right angles to the direction of movement of the pawls to the arresting position. A carriage with a platen roller is manually moved out of an end position along a path over the printing wheels. The carriage is operatively connected with the locking bar so that the locking bar is ineffective in the end position of the carriage while the printing wheels are set, and engages the locking recesses in the pawls when the carriage moves out of the end position so that the wheels cannot be displaced by the platen roller during printing.
摘要翻译：一组具有周向隔离型和止动凹槽的印刷轮可以通过手动设置装置设置为数字印刷位置。轴向排的弹簧偏压的止动爪与一排止动凹槽接合，并且在打印轮在设定期间转动到选定数量时弹性地产生。棘爪具有与锁定杆配合的锁定凹槽，其与棘爪的运动方向成直角延伸到止动位置。具有压纸辊的托架被手动地从打印轮上的路径移出终端位置。托架与锁定杆可操作地连接，使得锁定杆在打印轮设置时在托架的终端位置无效，并且当滑架从终端位置移出时与卡爪中的锁定凹槽接合，打印过程中滚轮不能被压纸辊移位。

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