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    • 3. 发明授权
    • Image forming apparatus with charge eliminating guide member
    • 具有电荷消除引导构件的图像形成装置
    • US08855544B2
    • 2014-10-07
    • US13414209
    • 2012-03-07
    • Kousuke NamisakiKohichi YamauchiTakashi Yamanaka
    • Kousuke NamisakiKohichi YamauchiTakashi Yamanaka
    • G03G15/00G03G15/20
    • G03G15/2085G03G15/2028
    • The present invention provides an image forming apparatus in which a recording paper to which a toner has been transferred is guided by a guide member and transported to a nip region between two rotatable members that are pressed against each other, and the toner on the recording paper is fixed at the nip region. In this image forming apparatus, a conductive or semiconductive region and an insulating region that are to be brought into contact with the recording paper are sequentially arranged in a recording paper transport direction on a guide face of the guide member, the conductive or semiconductive region is grounded, and the insulating region includes an end portion of the guide member oriented in the recording paper transport direction.
    • 本发明提供了一种图像形成装置,其中已经转印了调色剂的记录纸由引导构件引导并被传送到彼此压靠的两个可旋转构件之间的夹持区域,并且记录纸上的调色剂 固定在辊隙区域。 在该图像形成装置中,要与记录纸接触的导电或半导体区域和绝缘区域在记录纸传送方向上顺序地布置在引导构件的引导面上,导电区域或半导电区域 并且所述绝缘区域包括沿所述记录纸输送方向取向的所述引导构件的端部。
    • 4. 发明授权
    • Fixing device and image forming apparatus provided with same
    • 固定装置和具有该装置的图像形成装置
    • US08554122B2
    • 2013-10-08
    • US13053521
    • 2011-03-22
    • Masaya AsakawaTakashi YamanakaHirokazu NakamuraNoriko InoueMasaki Amemiya
    • Masaya AsakawaTakashi YamanakaHirokazu NakamuraNoriko InoueMasaki Amemiya
    • G03G15/20
    • G03G15/2028G03G2215/2032
    • A fixing device is provided in which a rotation member and a roller are caused to rotate pressing against each other, a recording paper is sandwiched and transported in a nip region between the rotation member and the roller, a leading edge of a peeling plate is positioned with respect to a peripheral surface of the rotation member, and the recording paper is separated from the rotation member by the peeling plate. In this fixing device, a surface of the peeling plate faces a transport route of the recording paper. Furthermore, in this fixing device, a contact member is provided that contacts a rear surface of the peeling plate displaced in a direction in which the leading edge of the peeling plate approaches the peripheral surface of the rotation member and prohibits displacement of the peeling plate after contact of the peeling plate to the contact member.
    • 提供一种定影装置,其中使旋转构件和辊彼此相对旋转,记录纸在旋转构件和辊之间的夹持区域中夹持并传送,剥离板的前缘定位 相对于旋转构件的周面,并且记录纸通过剥离板与旋转构件分离。 在该定影装置中,剥离板的表面面对记录纸的输送路径。 此外,在该定影装置中,设置接触构件,其接触剥离板的后表面,该剥离板的后表面沿着剥离板的前边缘接近旋转构件的外周表面的方向移位,并且禁止剥离板的位移之后 剥离板与接触构件的接触。
    • 6. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20120230746A1
    • 2012-09-13
    • US13414209
    • 2012-03-07
    • Kousuke NAMISAKIKohichi YamauchiTakashi Yamanaka
    • Kousuke NAMISAKIKohichi YamauchiTakashi Yamanaka
    • G03G15/00
    • G03G15/2085G03G15/2028
    • The present invention provides an image forming apparatus in which a recording paper to which a toner has been transferred is guided by a guide member and transported to a nip region between two rotatable members that are pressed against each other, and the toner on the recording paper is fixed at the nip region. In this image forming apparatus, a conductive or semiconductive region and an insulating region that are to be brought into contact with the recording paper are sequentially arranged in a recording paper transport direction on a guide face of the guide member, the conductive or semiconductive region is grounded, and the insulating region includes an end portion of the guide member oriented in the recording paper transport direction.
    • 本发明提供了一种图像形成装置,其中已经转印了调色剂的记录纸由引导构件引导并被传送到彼此压靠的两个可旋转构件之间的夹持区域,并且记录纸上的调色剂 固定在辊隙区域。 在该图像形成装置中,要与记录纸接触的导电或半导体区域和绝缘区域在记录纸传送方向上顺序地布置在引导构件的引导面上,导电区域或半导电区域 并且所述绝缘区域包括沿所述记录纸输送方向取向的所述引导构件的端部。
    • 7. 发明授权
    • Fixing apparatus with pressure state detection and control
    • 具有压力状态检测和控制的固定装置
    • US08041237B2
    • 2011-10-18
    • US12470583
    • 2009-05-22
    • Takashi YamanakaAtsushi IdeKimihide TsukamotoHiroshi Nakatani
    • Takashi YamanakaAtsushi IdeKimihide TsukamotoHiroshi Nakatani
    • G03G15/20
    • G03G15/2032
    • In one embodiment, a fixing apparatus is configured of a pressing portion for causing the pressure roller to enter a pressure applied state by applying bias, a switching portion for causing the pressing portion in the pressure applied state to enter a pressure released state by causing a cam to rotate forward, a pressure state detection portion for detecting the pressure released state, and a control portion for, when shifting from the pressure applied state to the pressure released state, turning forward the cam of the switching portion in the pressure applied state and stopping the cam after the pressure state detection portion detects the pressure released state. If the cam is turned forward with respect to the switching portion for a certain time period, but the pressure state detection portion does not detect the pressure released state, the control portion performs forward rotational direction retry control.
    • 在一个实施例中,定影装置由通过施加偏压使压力辊进入加压状态的按压部构成,用于使压力施加状态下的按压部进入压力释放状态的切换部通过使 凸轮向前旋转,用于检测压力释放状态的压力状态检测部分,以及控制部分,当从压力施加状态转换到压力释放状态时,在压力施加状态下转动切换部分的凸轮;以及 在压力状态检测部分检测到压力释放状态之后停止凸轮。 如果凸轮相对于切换部转过一段时间,但是压力状态检测部未检测到压力释放状态,则控制部进行正向旋转方向重试控制。
    • 8. 发明授权
    • Disc guide of disc carrying device
    • 盘式传送装置的光盘指南
    • US07870571B2
    • 2011-01-11
    • US11987024
    • 2007-11-27
    • Takashi Yamanaka
    • Takashi Yamanaka
    • G11B17/04
    • G11B17/051G11B17/0404
    • An object of the present invention is to provide a disc guide of a disc carrying device composed of a guide plate made from a metal plate and guide projections made of a synthetic resin, and that can be easily produced at low cost. Multiple positioning holes where a large hole communicates into a small hole and step differences are arranged in the guide plate made from a metal plate, respectively; multiple engagement projections having a stopper with a large diameter at the end are arranged in the right and left guide projections made of a synthetic resin having a taper surface, respectively; after the stopper is inserted into the corresponding large hole while the inner end of each guide projection is overlapped to the step difference, the guide projection is slid and the engagement projection is moved toward the small hole; the inner end of the guide projection is disengaged from the step difference and the slide along the reverse direction is prohibited by the step difference; and the disc guide is mounted to the guide plate.
    • 本发明的目的在于提供一种由金属板制成的引导板和由合成树脂制成的导向突起构成的盘片传送装置的盘导向件,并且可以容易地以低成本制造。 在由金属板制成的引导板中分别布置有大孔连通到小孔中的多个定位孔和阶差, 分别在具有锥形表面的合成树脂制成的左右引导突起中分别具有端部具有大直径的止动件的多个接合突起; 在将每个引导突起的内端重叠到台阶差之后,将止动件插入相应的大孔中之后,引导突起滑动并且接合突起朝向小孔移动; 引导突起的内端与台阶差脱离,并且沿着相反方向的滑块被阶梯差禁止; 并且盘引导件安装到引导板。
    • 9. 发明授权
    • Cleaning device for a fixing unit
    • 定影单元的清洁装置
    • US07542710B2
    • 2009-06-02
    • US11368999
    • 2006-03-07
    • Tatsuya ShinkawaTakashi YamanakaKan MukaiKouji Wakamoto
    • Tatsuya ShinkawaTakashi YamanakaKan MukaiKouji Wakamoto
    • G03G15/20
    • G03G15/2025G03G15/2028
    • A fixing unit includes a heat roller and a pressing roller that comes in pressure contact with the heat roller, and passes the recording paper with an unfixed toner image formed thereon through the nip between the heat roller and pressing roller to thereby fix the toner image to the recording paper by applying heat and pressure thereto. A cleaning device for removing the toner remaining on the heat roller or pressing roller in the fixing unit includes cleaning rollers made of metal arranged in press-contact with the heat roller and pressing roller, the peripheral surface of the cleaning rollers being formed with projected and indented shapes to thereby remove the leftover toner appropriately.
    • 定影单元包括加热辊和与加热辊压力接触的加压辊,并且通过在加热辊和加压辊之间的辊隙上形成的未定影调色剂图像使记录纸通过,从而将调色剂图像固定到 记录纸通过向其施加热和压力。 用于去除定影单元中保留在加热辊或加压辊上的调色剂的清洁装置包括由与加热辊和加压辊压接的布置的金属制成的清洁辊,清洁辊的周面形成有突起和 缩小形状,从而适当地除去剩余的调色剂。
    • 10. 发明授权
    • Heating device
    • 加热装置
    • US07446281B2
    • 2008-11-04
    • US10556151
    • 2004-05-11
    • Toshiaki KagawaHiroshi KidaTakashi YamanakaTetsunori Mitsuoka
    • Toshiaki KagawaHiroshi KidaTakashi YamanakaTetsunori Mitsuoka
    • H05B1/00G03G15/20
    • G03G15/2064
    • A fusing device (23) has heat reflectors (238) and (239) positioned in consideration of the fact that convective heat loss from respective outer surfaces of the heat reflectors (238) and (239) depends on orientation of the outer surfaces. More specifically, each of the heat reflectors (238) and (239) are positioned so as to have a convective heat transfer coefficient η of up to 0.9. The convective heat transfer coefficient η is given by the following expression: η=(Su+0.77Sh+0.54Sd)/(Su+Sh+Sd), were Su is a projected area of an outer surface of each of the heat reflectors on an upper horizontal plane, Sh is a projected area of the same on a vertical plane, and Sd is a projected area of the same on a lower horizontal plane.
    • 考虑到来自热反射器(238)和(239)的各个外表面的对流热损失取决于外表面的定向的事实,定影装置(23)具有热反射器(238)和(239)。 更具体地,每个热反射器(238)和(239)被定位成具有高达0.9的对流传热系数η。 eta =(Su + 0.77Sh + 0.54Sd)/(Su + 0.77Sh + 0.54Sd)/(Su + 0.77Sh + 0.54Sd) Sh + Sd),<?in-line-formula description =“In-line Formulas”end =“tail”?> Su是上水平面上每个热反射器的外表面的投影面积,Sh 是在垂直平面上的投影面积,并且Sd是在下部水平面上的投影面积。