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发明授权
CN101837684B 打印机以及记录纸的输送量调整方法 有权

打印机以及记录纸的输送量调整方法
摘要：
一种打印机，具备：压板辊(2)；第1送纸辊(7)，配设在记录纸的输送方向的上述压板辊的上游侧；第2送纸辊，配设在记录纸的输送方向的上述压板辊的下游侧；第1分支传动齿轮组(13)，配设在压板齿轮与第1送纸齿轮之间的动力传递路径上；以及第2分支传动齿轮组(14)，配设在压板齿轮与第2送纸齿轮之间的动力传递路径上；构成上述第1以及第2分支传动齿轮组的齿轮中的一个分别为第1空转齿轮(15)和第2空转齿轮(16)，其齿线相对于轴向具有倾斜角，并且形成有彼此的齿线倾斜方向为相同方向的倾斜齿轮部；还具备推进量调整机构，能够调整由上述第1空转齿轮和上述第2空转齿轮的推进所产生的可动距离。
摘要（英）：

A printer includes a platen roller, a first sheet feed roller, a second sheet feed roller, a first branch transmission gear group, a second branch transmission gear group, and thrust amount adjusting means. The first sheet feed roller is provided on the upstream side of the platen roller in the conveying direction of the recording sheet. The second sheet feed roller is provided on the downstream side of the platen roller in the conveying direction of the recording sheet. The first branch transmission gear group is provided on a power transmission path between the platen gear and the first sheet feed gear. The second branch transmission gear group is provided on a power transmission path between the platen gear and the second sheet feed gear. The thrust amount adjusting means adjust movable distances that are caused by the thrust of the first and second idler gears. A tooth trace of one of the gears of each of the first and second branch transmission gear groups has an inclination angle with respect to an axial direction, and the first and second branch transmission gear groups are formed of first and second idler gears including inclined gear portions of which inclined directions of tooth traces are the same as each other.

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