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    • 2. 发明申请
    • TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
    • 传输装置和图像形成装置,包括它们
    • US20140241744A1
    • 2014-08-28
    • US14185242
    • 2014-02-20
    • Junichi ICHIKAWASeiichi KOGUREJunpei FUJITAKazuki YOGOSAWAKenji SUGIURA
    • Junichi ICHIKAWASeiichi KOGUREJunpei FUJITAKazuki YOGOSAWAKenji SUGIURA
    • G03G15/16
    • G03G15/1605G03G15/1615G03G2215/0129
    • A transfer device includes a nip forming member to contact a surface of an image bearing member to form a transfer nip therebetween, a pressing device, and a nip pressure changing device. The pressing device includes a plurality of elastic members, to produce a contact pressure between the nip forming member and the image bearing member according to a restoring force of at least one of the elastic members upon deformation of the elastic member. The nip pressure changing device changes an amount of elastic deformation of the elastic member between at least two stages to change a nip pressure of the transfer nip. While the contact pressure is produced by one of the elastic members, the nip pressure changing device changes the amount of elastic deformation of a different elastic member, different from the one that produces the contact pressure, to change the nip pressure of the transfer nip.
    • 转印装置包括用于接触图像承载部件的表面以在其间形成转印夹持部的压区形成部件,压紧装置和压区压力改变装置。 按压装置包括多个弹性构件,以在弹性构件变形时根据至少一个弹性构件的恢复力产生夹持形成构件和图像承载构件之间的接触压力。 辊隙压力改变装置在至少两个阶段之间改变弹性构件的弹性变形量,以改变转印辊隙的辊隙压力。 当接触压力由弹性部件之一产生时,辊隙压力改变装置改变不同于产生接触压力的弹性部件的弹性变形量,以改变转印辊隙的辊隙压力。
    • 3. 发明申请
    • SEPARATION UNIT, FIXING UNIT AND IMAGE FORMING APPARATUS
    • 分离单元,固定单元和图像形成装置
    • US20110081173A1
    • 2011-04-07
    • US12892247
    • 2010-09-28
    • Sho WATANABEJunichi ICHIKAWAJunpei AMANOAya KAKISHIMAMasaya NAKATSUHARA
    • Sho WATANABEJunichi ICHIKAWAJunpei AMANOAya KAKISHIMAMasaya NAKATSUHARA
    • G03G15/20
    • G03G15/2064G03G2215/2022
    • A separation unit is provided on a downstream side of a contact area between a belt-like rotating body and a pressure rotating body. The separation unit includes a pressure member, a guide portion and a pressure portion. The pressure member extends along a width direction of the belt-like rotating body, and presses the belt-like rotating body to deform the belt-like rotating body into a bent shape changing a course away from a surface of the pressure rotating body. The guide portion is on the pressure rotating body side of the pressure member to guide the belt-like rotating body so that an angle portion of the bent shape bites into the pressure rotating body. The pressure portion is on the surface in the pressure rotating body side, and the surface separates sequentially from the pressure rotating body in the extending direction from a center portion to an end portion.
    • 分离单元设置在带状旋转体和压力旋转体之间的接触区域的下游侧。 分离单元包括压力部件,引导部分和压力部分。 压力构件沿着带状旋转体的宽度方向延伸,并且将带状旋转体按压,使带状旋转体变形成从压力旋转体的表面变化的弯曲形状。 引导部位于加压部件的压力旋转体侧,以引导带状旋转体,使得弯曲形状的角部被咬入压力旋转体。 压力部分在压力旋转体侧的表面上,并且表面从压力旋转体在延伸方向上从中心部分到端部顺序地分离。
    • 5. 发明申请
    • FIXING DEVICE AND IMAGE FORMING DEVICE
    • 固定装置和图像形成装置
    • US20100150622A1
    • 2010-06-17
    • US12469230
    • 2009-05-20
    • Junichi ICHIKAWA
    • Junichi ICHIKAWA
    • G03G15/20
    • G03G15/2039G03G2215/2035
    • A fixing device includes a heating roller that is internally provided with a heat source member and is rotated by a drive unit; an endless fixing belt that is entrained around the heating roller and heated thereby, and is provided with a surface layer that contacts a recording medium, and the yield stress of a material forming the surface layer is varied according to the temperature of the material; a pressure member that is provided facing the heating roller and presses the recording medium, on which a toner image has been formed, against the fixing belt; a travel direction alteration member that contacts the fixing belt and changes the direction of travel of the fixing belt by bending the fixing belt; and a drive control section that operates the drive unit and rotates the heating roller after the heating roller has been heated such that the endless fixing belt is heated by the heating roller to a predetermined temperature where the yield stress of a material forming the surface layer of the fixing belt is larger than the stress acting on the surface layer when the travel direction of the fixing belt is altered by the travel direction alteration member.
    • 定影装置包括:加热辊,其内部设置有热源部件,并通过驱动单元旋转; 一个循环的定影带被夹带在加热辊周围并被加热,并且设置有与记录介质接触的表面层,并且形成表面层的材料的屈服应力根据材料的温度而变化; 面向所述加热辊并且将已经形成有调色剂图像的记录介质压靠在所述定影带上的压力构件; 行进方向改变构件,其与定影带接触并且通过弯曲定影带来改变定影带的行进方向; 以及驱动控制部,其操作驱动单元,并且在加热辊被加热之后使加热辊旋转,使得环形定影带被加热辊加热到预定温度,其中形成表面层的材料的屈服应力 当定影带的行进方向被行进方向改变构件改变时,定影带大于作用在表面层上的应力。
    • 7. 发明申请
    • IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
    • 图像形成装置和图像形成方法
    • US20120218566A1
    • 2012-08-30
    • US13192103
    • 2011-07-27
    • Junichi ICHIKAWA
    • Junichi ICHIKAWA
    • G06F3/12
    • H04N1/40037G03G15/0189G03G15/5025G03G15/6585
    • An image forming apparatus includes an acquiring unit that acquires image data expressing an image region included in an image with a first value and a background region included in the image with a second value; a segmenting unit that segments the image region into multiple segments arranged in a fast scanning direction; a converting unit that converts a value of at least one of the segments into the second value; an output unit that generates an image signal on the basis of the image data and outputs the image signal; an exposure unit that exposes a charged image bearing member to light according to the output image signal by scanning the light thereto in the fast scanning direction so as to form a latent image; and a developing unit that forms the image by developing the latent image using an invisible toner that absorbs infrared light or ultraviolet light.
    • 图像形成装置包括获取单元,其获取表示图像中包括的具有第一值的图像区域和包含在图像中的背景区域的图像数据的第二值; 分割单元,其将所述图像区域分割成沿快速扫描方向排列的多个区段; 转换单元,其将至少一个所述段的值转换为所述第二值; 输出单元,其基于图像数据生成图像信号并输出​​图像信号; 曝光单元,其通过沿快速扫描方向扫描光而将根据输出图像信号的充电图像承载部件曝光以形成潜像; 以及通过使用吸收红外光或紫外光的不可见调色剂显影潜像来形成图像的显影单元。
    • 8. 发明申请
    • DRAG LEVER
    • 拖轮杠杆
    • US20120024248A1
    • 2012-02-02
    • US13195933
    • 2011-08-02
    • Frank HIMSELJochen OTTDirk RICHTERJunichi ICHIKAWA
    • Frank HIMSELJochen OTTDirk RICHTERJunichi ICHIKAWA
    • F01L1/18
    • F01L1/185F01L2105/00
    • A drag lever for actuating a gas exchange valve of an internal combustion engine. The drag lever includes an oblong lever body formed of sheet metal material, wherein the lever body has a bottom and side walls integrally formed at an angle of about 90° onto the bottom on both sides. A first end section of the lever body includes a joint socket formed into the bottom between the side walls. The joint socket serves to pivotally moveably support the drag lever on a joint head mounted stationary in the internal combustion engine. A middle section of the lever body is provided with a cam gripping surface, and a second end section of the lever body has a contact surface extending on the bottom. The contact surface serves for actuating the gas exchange valve. The lever body is dimensioned so as to have essentially the same width in a cross section through the joint socket and in a cross section through the middle section. Starting from the first end section of the lever body, the angle of the side walls increases continually to about 90°.
    • 用于致动内燃机的气体交换阀的牵引杆。 牵引杆包括由金属板材料形成的长方形杆体,其中杠杆体具有在两侧的底部上以大约90°的角度一体形成的底壁和侧壁。 杠杆主体的第一端部包括形成在侧壁之间的底部的接头插座。 接头插座用于枢转地可动地将牵引杆支撑在固定在内燃机中的关节头上。 杠杆体的中间部分设置有凸轮夹持表面,杠杆体的第二端部具有在底部延伸的接触表面。 接触表面用于致动气体交换阀。 杠杆主体的尺寸设计成在横截面中具有基本相同的宽度,穿过接头座,并且在穿过中间部分的横截面中。 从杠杆体的第一端部开始,侧壁的角度连续地增加到约90°。
    • 10. 发明申请
    • FIXING DEVICE AND IMAGE FORMING APPARATUS
    • 固定装置和图像形成装置
    • US20110064492A1
    • 2011-03-17
    • US12715833
    • 2010-03-02
    • Junichi ICHIKAWAJunpei AmanoAya KakishimaMasaya NakatsuharaSho Watanabe
    • Junichi ICHIKAWAJunpei AmanoAya KakishimaMasaya NakatsuharaSho Watanabe
    • G03G15/20
    • G03G15/2064G03G2215/2041
    • A fixing device includes: a belt member provided to be circularly movable; a first fixing member disposed inside the belt member; a second fixing member that is disposed to be in press contact with the first fixing member across the belt member, and forms a press contact portion between the belt member and the second fixing member; a pressing member that presses the belt member against the second fixing member, the pressing member having a pressing surface that presses an inner peripheral surface of the belt member on a downstream side of the press contact portion in a moving direction of the belt member; and a suppressing unit that suppresses looseness in a portion of the belt member in the width direction thereof, the portion being located on the downstream side of the press contact portion and an upstream side of the pressing surface in the moving direction of the belt member.
    • 定影装置包括:带状构件,设置成可圆形移动; 设置在所述带构件内的第一固定构件; 第二固定构件,其设置成与所述第一固定构件压靠在所述带构件上,并且在所述带构件和所述第二固定构件之间形成压接部; 按压构件将所述带构件压靠在所述第二固定构件上,所述按压构件具有在所述带构件的移动方向上在所述按压接触部的下游侧按压所述带构件的内周面的按压面; 以及抑制单元,其抑制带部件在其宽度方向上的一部分的松动,所述抑制单元位于压接部的下游侧和沿着带部件的移动方向的按压表面的上游侧。