公开(公告)号：US5448344A

公开(公告)日：1995-09-05

申请号：US141106

申请日：1993-10-26

申请人： Tatsuya Itakura ,  Rika Nishiwaki ,  Tadayoshi Nakata ,  Shigehiro Fujii ,  Tomoaki Fukuda ,  Naoyuki Fujimoto ,  Mitsuhiro Hirohata ,  Yoshizi Atsumi

发明人： Tatsuya Itakura ,  Rika Nishiwaki ,  Tadayoshi Nakata ,  Shigehiro Fujii ,  Tomoaki Fukuda ,  Naoyuki Fujimoto ,  Mitsuhiro Hirohata ,  Yoshizi Atsumi

IPC分类号： G03G15/00 ,  F21V7/00 ,  G03G15/20

CPC分类号： F21V7/005 ,  G03G15/201

摘要： A flash lamp fixing with a simple structure, capable of obtaining an even distribution of high-level luminous energy over a large area on the surface of a paper sheet illuminated by a flash lamp. In the flash lamp fixing device, the half breadth L.sub.1 of the aperture of the reflector is set so as to satisfy the equation V/T.gtoreq.L.sub.1 .gtoreq.V/T-L.sub.2 /2, where V is the conveying speed of a paper sheet; T is the flash cycle of the flash lamp; L.sub.1 is the half breadth of the aperture of the reflector; and L.sub.2 is the length of an area in which fixing can be done by one flash of the flash lamp. Where .theta..sub.1 represents the included angle between a tangent which passes through one of aperture edges, being tangent to the flash lamp on the side of the aperture and the plane of the aperture; and .theta..sub.2 represents the included angle between a tangent which passes through the aperture edge, being tangent to a safety distance critical circle centered on the center of the flash lamp and a plane normal to the aperture plane, the tilt angles of the respective inclined face parts in relation to the plane normal to the aperture plane are set to be not less than .theta..sub.1 and not more than .theta..sub.2.

摘要翻译： 一种具有简单结构的闪光灯固定，能够在由闪光灯照射的纸张表面上的大面积上获得均匀分布的高级光能。 在闪光灯固定装置中，将反射器的孔径的半宽度L1设定为满足式V / T> / = L1> / = V / T-L2 / 2，其中V为 一张纸 T是闪光灯的闪光周期; L1是反射器孔径的半宽度; L2是通过一次闪光灯可以进行定影的区域的长度。 其中θ1表示穿过孔径边缘中的一个的切线与孔的侧面上的闪光灯与孔的平面相切的夹角; θ2表示通过孔径边缘的切线与以闪光灯的中心为中心的安全距离临界圆相垂直于孔平面的平面之间的夹角，各倾斜面的倾斜角 相对于与孔径平面垂直的平面的部分被设定为不小于θ1且不大于θ2。

公开(公告)号：US5732315A

公开(公告)日：1998-03-24

申请号：US758212

申请日：1996-11-27

申请人： Makoto Inoue ,  Tatsuhiro Taniwa ,  Tomoaki Fukuda

发明人： Makoto Inoue ,  Tatsuhiro Taniwa ,  Tomoaki Fukuda

IPC分类号： B65H45/101 ,  G03G15/00 ,  G03G15/16 ,  H04N1/00 ,  G03G15/14 ,  G03G21/00

CPC分类号： B65H45/101 ,  B65H45/1015 ,  G03G15/164 ,  G03G15/6526 ,  H04N1/00567 ,  H04N1/0057 ,  H04N1/00588 ,  H04N1/00591 ,  H04N1/00607 ,  H04N1/0061

摘要： An image forming apparatus which includes a paper delivery unit which is provided as to be rockable and displaceable between an operating position close to a photosensitive drum and a standby position remote from the photosensitive drum; a supporting link system, operably coupled to the paper delivery unit, for holding the paper delivery unit at the operating position; and energizing device, operably coupled to the supporting link system, for energizing the paper delivery unit so as to move from the standby position to the operating position. The paper delivery unit includes a transferring device for transferring a toner image from the photosensitive drum onto a sheet, a tractor for feeding the sheet, disposed in the upstream of the transferring device in a paper delivery direction, and a suction feeder for holding and delivering the sheet, disposed in the downstream of the transferring device in the paper delivery direction. A delivery unit frame for supporting the transferring device, the tractor and the suction feeder is pivotally supported by a body frame disposed in the upstream in the paper delivery direction. In other words, the paper delivery unit is held at its operating position by way of the supporting link system, and is moved back to the position from its retracted position by way of the energizing device. The paper delivery unit is thus capable of moving to and from an operating position for, e.g., ease of cleaning the transferring device or removing jammed papers.

摘要翻译： 一种图像形成装置，其包括纸张传送单元，该纸张传送单元被设置为在靠近感光鼓的操作位置和远离感光鼓的待机位置之间可摆动和移位; 支撑连杆系统，可操作地联接到纸张传送单元，用于将纸张传送单元保持在操作位置; 以及激励装置，其可操作地联接到所述支撑连杆系统，用于对所述纸张传送单元进行激励，以便从所述待机位置移动到所述操作位置。 纸张传送单元包括用于将调色剂图像从感光鼓转印到纸张上的转印装置，设置在纸张输送方向上的转印装置的上游的纸张供给用拖拉机，以及用于保持和输送的抽吸供给装置 该片材沿纸张输送方向布置在转印装置的下游。 用于支撑传送装置的传送单元框架，拖拉机和抽吸进给器由设置在纸张传送方向上游的主体框架枢转地支撑。 换句话说，纸张传送单元通过支撑连杆系统保持在其操作位置，并且通过激励装置从其缩回位置移回到该位置。 因此，纸张传送单元能够移动到操作位置和从操作位置移动，以便例如易于清洁传送装置或移除卡住的纸张。