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公开(公告)号:WO1981001684A1
公开(公告)日:1981-06-25
申请号:PCT/US1980001593
申请日:1980-11-28
Applicant: NCR CORP
IPC: B41J01/08
Abstract: An impact printer (10) in which the action of a rotatable cam assembly (50) positions a plurality of type racks (22), enables printing and indexes paper (12) prior to restoring the type racks to the home position. Teeth (54) on the cam assembly engage teeth (30) on the type racks for positioning thereof and an extended tooth (62) on the cam assembly causes impact of the racks against a platen (14) which is caused to be rotated by movement of the cam assembly to index the paper to the next print line.
Abstract translation: 一种冲击式打印机(10),其中旋转凸轮组件(50)的作用定位多个类型的机架(22),使得能够在将类型的机架恢复到原始位置之前打印和索引纸张(12)。 凸轮组件上的齿(54)接合在类型齿条上的齿(30),用于定位它们,并且凸轮组件上的延伸齿(62)使机架抵靠压板(14)的冲击,压板(14)被移动 的凸轮组件将纸张索引到下一个打印行。