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1. 发明授权

US5007752A Paper feed roller arrangement for printer 失效
标题翻译：打印机供纸辊布置
公开(公告)号：US5007752A
公开(公告)日：1991-04-16
申请号：US388265
申请日：1989-08-01
申请人： Yoshiyuki Yasumi , Hiroshi Sato
发明人： Yoshiyuki Yasumi , Hiroshi Sato
IPC分类号： B41J13/02 , B41J31/12
CPC分类号： B41J31/12
摘要： A paper feed roller arrangement for a printer which permits exchanging of a ribbon cassette and assures a maximum range of paper on which printing can be made. The paper feed roller arrangement includes two pairs of paper feed rollers, one disposed on the upstream side and one disposed the downstream side of a print head in a feeding direction of paper for feeding the paper in a planar condition. One of the paper feed rollers which is opposed to a path of the ribbon cassette when the ribbon cassette is to be exchanged is disposed for movement toward and away from the print head. Upon ordinary feeding of paper, the movable paper feed roller is positioned proximate the print head where it cooperates with a corresponding paper feed roller to feed the paper. When a ribbon cassette is to be exchanged, the movable paper feed roller is moved away from the print head to increase the spacing in the vicinity of the print head to facilitate such exchanging of the ribbon cassette.
摘要翻译：一种用于打印机的供纸辊装置，其允许更换色带盒并确保能够进行打印的最大范围的纸张。供纸辊装置包括两对供纸辊，一对纸张供给辊，一个设置在上游侧，一个供纸辊沿纸张的进给方向设置在打印头的下游侧，用于在平面状态下进纸。当要更换色带盒时，与色带盒的路径相对的供纸辊之一设置成朝向和远离打印头移动。在普通纸送纸时，可动供纸辊定位在打印头附近，在该位置与相应的送纸辊相配合以供纸。当要更换色带盒时，可动供纸辊从打印头移开，以增加打印头附近的间距，以便于色带盒的更换。

2. 发明授权

US4787545A Paper feeding mechanism 失效
标题翻译：送纸机构
公开(公告)号：US4787545A
公开(公告)日：1988-11-29
申请号：US85533
申请日：1987-08-14
申请人： Yoshiyuki Yasumi
发明人： Yoshiyuki Yasumi
IPC分类号： B41J11/26 , B41J11/30 , B65H20/20
CPC分类号： B41J11/30 , B65H20/20
摘要： A paper feeding mechanism wherein tractors which convey a sheet of paper by means of belts when a driven shaft connected to a drive gear is rotated are supported swingable round a support shaft to move from their closed position to their open position and vice versa, characterized by a stopper member having those teeth which are selectively engaged with the drive gear to stop the rotation of the drive gear, and by a drive member for driving the stopper member to engage its teeth with the drive gear only when the tractors are under their open position. The free running of the belts can be this prevented when the tractors are under their open state, thereby allowing the sheet of paper to be stably mounted.
摘要翻译：一种送纸机构，其中当连接到驱动齿轮的从动轴旋转时通过带传送纸张的拖拉机被支撑在支撑轴的周围可摆动地从其关闭位置移动到其打开位置，反之亦然，其特征在于具有选择性地与驱动齿轮接合以阻止驱动齿轮的旋转的那些齿的止动构件以及仅当拖拉机处于其打开位置时驱动止动构件以将其齿与驱动齿轮啮合的驱动构件。当拖拉机处于打开状态时，可以防止皮带的自由运动，从而允许纸张稳定地安装。

3. 发明授权

US5923541A PC card connector device 失效
标题翻译： PC卡连接器设备
公开(公告)号：US5923541A
公开(公告)日：1999-07-13
申请号：US877062
申请日：1997-06-17
申请人： Yoshiyuki Yasumi
发明人： Yoshiyuki Yasumi
IPC分类号： G06K13/06 , G06F3/00 , G06K17/00 , H01R13/633 , H05K7/14 , H01R13/62
CPC分类号： H01R13/633 , H05K7/1409
摘要： A PC Card slot which can enhance the safety, operability and assembly efficiency of a device by removing and locking a plurality of PC Cards by the use of only a single operating knob. In the case of the aforementioned PC Card slot, a lock portion, which is able to abut against a PC Card, is formed in an operating knob, which is provided on a lever operating stick, and is further used as a lock mechanism for preventing a PC Card from coming off the PC Card slot.
摘要翻译：一个PC卡插槽，可以通过仅使用单个操作旋钮去除和锁定多个PC卡，从而提高设备的安全性，可操作性和组装效率。在上述PC卡槽的情况下，能够抵靠PC卡的锁定部形成在设置在杠杆操作杆上的操作旋钮中，并且还被用作防止 PC卡从PC卡插槽中脱落。

4. 发明授权

US4884907A Mechanism for shifting the track position of a multi-track ink ribbon in a printer 失效
标题翻译：用于移动打印机中多轨油墨色带的轨迹位置的机构
公开(公告)号：US4884907A
公开(公告)日：1989-12-05
申请号：US282920
申请日：1988-12-06
申请人： Yoshiyuki Yasumi
发明人： Yoshiyuki Yasumi
IPC分类号： B41J35/14 , B41J35/16
CPC分类号： B41J35/14
摘要： A ribbon selecting mechanism for use with a printer comprising a ribbon cassette table on which a ribbon cassette for housing a ribbon is mounted opposite to a platen, said ribbon having plural color tracks formed thereon in the width direction thereof, a carriage movable along the platen, support arms each pivoted on the ribbon cassette table and the carriage at the upper and lower ends thereof to support the ribbon cassette table above the carriage, a drive mechanism having a drive plate to move the ribbon cassette table in the width direction of the ribbon, and a detent mechanism for stopping the drive plate at any of plural positions to oppose one of the plural color tracks to the platen.
摘要翻译：一种用于打印机的色带选择机构，包括：色带盒台，用于容纳色带的色带盒在其上与压板相对地安装，所述色带在其宽度方向上形成有多个色轨，可沿着压板移动的托架支撑臂，其各自枢转在色带盒台上，并且托架在其上端和下端，以支撑在滑架上方的色带盒台;驱动机构，具有驱动板，用于沿色带的宽度方向移动色带盒台以及用于在多个位置中的任何一个处停止驱动板以与多个色轨中的一个对准到压板的制动机构。

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