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1. 发明专利

JP2011209504A Fixing device and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2011209504A
公开(公告)日：2011-10-20
申请号：JP2010077218
申请日：2010-03-30
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： WASUMI TOSHIHIRO , OKUNO HITOKI , YAMAMOTO KOJI
IPC分类号： G03G15/20
CPC分类号： G03G15/2028
摘要： PROBLEM TO BE SOLVED: To provide a fixing device capable of suppressing sheet-flattering caused by the blown air for peeling the sheet from a fixing member, thereby more stably conveying the sheet.SOLUTION: The fixing device that conveys the sheet carrying a toner image thereon under heating and pressurization at a nip portion to fix the toner image onto the sheet includes: a fixing member equipped with a heating unit; a pressure member that comes into contact with the fixing member and forms a nip portion that sandwiches the sheet carrying the toner image thereon; a blower duct including a discharge outlet opening toward a vicinity of a sheet outlet of the nip portion; a blower unit for blowing the air in a vicinity of the sheet outlet through the blower duct; and a guiding unit, disposed on the upper side of the sheet conveying path, for guiding the sheet discharged from the nip portion. The fixing device has a biasing unit, disposed in the vicinity of the nip portion, for biasing the sheet to the guiding unit.
摘要翻译：要解决的问题：提供一种定影装置，其能够抑制由用于从定影构件剥离片材的吹出空气引起的片材膨胀，从而更稳定地输送片材。解决方案：传送带有调色剂图像的片材的定影装置在夹持部分的加热和加压下将调色剂图像固定在片材上，包括：具有加热单元的固定件; 与所述固定构件接触并形成夹持所述片材的压合构件，所述夹持部将所述片材承载在其上; 鼓风机管道，其具有朝向所述夹持部的片材出口附近的排出口; 鼓风机单元，用于通过鼓风机管道吹出出纸口附近的空气; 以及引导单元，设置在片材输送路径的上侧，用于引导从夹持部排出的片材。定影装置具有设置在夹持部附近的偏置单元，用于将片材偏压到引导单元。

2. 发明专利

JP2013117666A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2013117666A
公开(公告)日：2013-06-13
申请号：JP2011265664
申请日：2011-12-05
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： WASUMI TOSHIHIRO , FUNABIKI HIROSHI
IPC分类号： G03G21/14 , G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus preventing occurrence of blister.SOLUTION: The image forming apparatus includes: transfer means 140 for transferring an unfixed toner image on a sheet at a first speed; fixing means 160 including a fixing nip section for fixing the unfixed toner on the sheet at a second speed slower than the first speed; a conveyance belt 156 provided between the transfer means 140 and the fixing means 160 to convey the sheet transferred with the unfixed toner thereon in the transfer means 140 to the fixing means 160; adhesion force adjustment means 154 for adjusting adhesion force of the sheet to the conveyance belt 156; and control means 200 for controlling the adhesion force adjustment means 154 to make the adhesion force on a preceding sheet S1 smaller than that on a sheet S2 following the preceding sheet S1 after a tip of the preceding sheet S1 enters the fixing nip section.
摘要翻译：要解决的问题：提供一种防止水泡发生的图像形成装置。解决方案：图像形成装置包括：传送装置140，用于以第一速度将未定影的调色剂图像转印在片材上; 定影装置160包括用于以比第一速度慢的第二速度将未定影调色剂固定在纸张上的定影夹持部分; 设置在转印装置140和定影装置160之间的输送带156，用于将转印装置140中未经定影的调色剂转印的纸张传送到定影装置160; 粘合力调节装置154，用于调节片材对输送带156的粘附力; 以及控制装置200，用于控制粘合力调节装置154，以使前一片材S1上的粘合力在前一片材S1的尖端进入定影夹持部分之后，使得在前一片材S1之后的片材S2上的粘附力小于在前片材S1上的粘合力。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012103393A Fixing device and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2012103393A
公开(公告)日：2012-05-31
申请号：JP2010250589
申请日：2010-11-09
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： WASUMI TOSHIHIRO , OKUNO HITOKI
IPC分类号： G03G15/20
CPC分类号： G03G15/2028 , G03G2215/0135
摘要： PROBLEM TO BE SOLVED: To provide a fixing device configured so as to prevent an image from being defective because a recording paper sheet discharged after fixation is waved, even when an air amount is increased in response to an increase in speed and a thin paper sheet, in spraying air to separate the recording paper sheet.SOLUTION: The fixing device which fixes a toner image on a recording material in a nip portion formed by a heated fixing member and a pressurizing member pressurizing the fixing member includes: air discharge means discharging the air to spray the air to the recording material and separate the recording material from the fixing member; a first guide member provided on the side of a fixing surface of the recording material discharged from the nip portion and guiding the recording material; a second guide member provided on the side of a non-fixing surface of the recording material discharged from the nip portion, guiding the recording material and having a predetermined gap from the pressurizing member; and air sucking means provided at a position opposite to the first guide member on the second guide member and sucking the air from the gap to suck the recording material to the second guide member.
摘要翻译：要解决的问题：提供一种定影装置，其被配置为防止由于在固定之后排出的记录纸挥动而使图像有缺陷，即使当响应于速度的增加而增加空气量时，薄纸，在喷涂空气中分离记录纸。解决方案：将由加热的固定构件形成的夹持部中的记录材料上的调色剂图像定影的固定装置和对固定构件加压的加压构件包括：排出空气以将空气喷射到记录将记录材料与固定部件分开; 第一引导构件，设置在从夹持部排出的记录材料的固定表面侧并引导记录材料; 第二引导构件，设置在从夹持部排出的记录材料的非固定表面侧，引导记录材料并且具有来自加压构件的预定间隙; 以及空气吸入装置，其设置在与所述第二引导构件上的所述第一引导构件相对的位置处，并且从所述间隙吸入空气以将所述记录材料吸入所述第二引导构件。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2012123159A Image forming device 有权
标题翻译：图像形成装置
公开(公告)号：JP2012123159A
公开(公告)日：2012-06-28
申请号：JP2010273288
申请日：2010-12-08
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： YAMAMOTO KOJI , FUNABIKI HIROSHI , MURAKAMI MASANORI , OKUNO HITOKI , WASUMI TOSHIHIRO
IPC分类号： G03G15/20 , G03G21/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device capable of preventing occurrence of waviness on a recording sheet even if the air amount is increased corresponding to a higher speed or the like when air is sprayed to separate recording sheets.SOLUTION: A fixing device, which fixes a toner image at a first nip part formed by a fixing member and a pressure member, comprises: air discharging means for spraying air to a recording material to separate the recording material from the fixing member; a first guide member for guiding the recording material disposed on the fixing surface side of the recording material; a second guide member which guides the recording material on the non-fixing surface side of the recording material and has a predetermined gap to the pressure member; a sheet discharge roller for interposing the recording material by a second nip part formed by two rollers; suction means which is disposed on a lower part of the second guide member and suctions air from the gap; suction force switching means for switching the suction force; and control means for controlling the suction force switching means so that the suction force after passing through the second nip part is decreased lower than the suction force of the suction means until the tip of the recording material reaches the second nip part.
摘要翻译：要解决的问题：提供一种即使当空气喷射到分离的记录片材时，对应于较高速度等增加空气量也能够防止在记录纸张上发生波纹的定影装置。解决方案：一种固定装置，其在由固定构件和压力构件形成的第一夹持部分上固定调色剂图像，包括：空气排出装置，用于将空气喷射到记录材料上，以将记录材料与固定构件分离 ; 用于引导设置在记录材料的固定表面侧上的记录材料的第一引导构件; 第二引导构件，其将记录材料引导到记录材料的非固定表面侧，并且与压力构件具有预定的间隙; 用于通过由两个辊形成的第二夹持部来插入记录材料的排纸辊; 抽吸装置，其设置在第二引导构件的下部，并从空隙吸入空气; 用于切换吸力的吸力切换装置; 以及用于控制吸力切换装置的控制装置，使得通过第二夹持部分之后的吸引力比吸引装置的吸力减小直到记录材料的末端到达第二压合部分为止。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012123158A Fixing device and image forming device 审中-公开
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2012123158A
公开(公告)日：2012-06-28
申请号：JP2010273287
申请日：2010-12-08
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： KOMATSU TORU , WASUMI TOSHIHIRO
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device capable of preventing occurrence of waviness on a recording sheet even if the air amount is increased corresponding to a higher speed or the like when air is sprayed to separate recording sheets.SOLUTION: A fixing device, which fixes a toner image at a nip part formed by a fixing member and a pressure member, comprises: air discharging means for spraying air to a recording material to separate the recording material from the fixing member; a first guide member for guiding the recording material disposed on the fixing surface side of the recording material; a second guide member which guides the recording material disposed on the non-fixing surface side of the recording material and has a predetermined gap to the pressure member; suction means which is disposed on the opposite side of the first guide member to the second guide member and suctions air from the gap; and a rotating member which is disposed on the side of the first guide member in the second guide member and is contacted with the non-fixing surface of the recording material discharged from the nip part to rotate in the discharge direction of the recording material.
摘要翻译：要解决的问题：提供一种即使当空气喷射到分离的记录片材时，对应于较高速度等增加空气量也能够防止在记录纸张上发生波纹的定影装置。解决方案：一种固定装置，其将由定影构件和压力构件形成的夹持部分上的调色剂图像定影，包括：空气排出装置，用于将空气喷射到记录材料上，以将记录材料与固定构件分离; 用于引导设置在记录材料的固定表面侧上的记录材料的第一引导构件; 第二引导构件，其引导设置在记录材料的非固定表面侧上的记录材料，并且与压力构件具有预定的间隙; 抽吸装置，其设置在第一引导构件的与第二引导构件相对的一侧上，并从空隙吸入空气; 以及旋转构件，其设置在所述第二引导构件中的所述第一引导构件的一侧上并且与从所述夹持部排出的所述记录材料的非固定面接触，以沿所述记录材料的排出方向旋转。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2013105112A Fixing device and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2013105112A
公开(公告)日：2013-05-30
申请号：JP2011250276
申请日：2011-11-16
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： OKUNO HITOKI , WASUMI TOSHIHIRO , KOMATSU TORU
IPC分类号： G03G15/20 , G03G21/14
CPC分类号： G03G15/2064 , G03G15/2053 , G03G21/1647
摘要： PROBLEM TO BE SOLVED: To provide a fixing device and an image forming apparatus which realize fixing processing where paper creases are difficult to be generated.SOLUTION: A fixing device 22 fixes a toner image on a sheet P by passing the sheet P having the toner image formed thereon through between a first roller 221 and a second roller 222 (a belt member 224). The fixing device 22 comprises a drive control part 50 which rotates the first roller 221 and the second roller 222 by respectively different driving conditions. The drive control part 50 rotates the first roller 221 at a constant circumferential speed in a state where at least the first roller 221 and the second roller 222 are pressed to contact with each other, and executes a control for rotating the second roller 222 by a constant torque which stops a rotation of the second roller 222 when a rotation of the first roller 221 is stopped.
摘要翻译：要解决的问题：提供一种定影装置和图像形成装置，其实现难以产生纸张折痕的定影处理。解决方案：定影装置22通过使形成在其上的调色剂图像的片材P通过第一辊221和第二辊222（带构件224）之间而使调色剂图像定影在片材P上。定影装置22包括驱动控制部分50，该驱动控制部分50分别通过不同的驱动条件旋转第一辊221和第二辊222。驱动控制部50在至少第一辊221和第二辊222被按压而彼此接触的状态下以恒定的圆周速度旋转第一辊221，并且执行用于使第二辊222旋转的控制当第一辊221的旋转停止时停止第二辊222的旋转的恒定扭矩。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2012145746A Fixing device and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2012145746A
公开(公告)日：2012-08-02
申请号：JP2011003765
申请日：2011-01-12
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： WASUMI TOSHIHIRO
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device in which, when air is sprayed to separate a recording paper, an image failure due to the occurrence of waving of the discharged recording paper is prevented and the recording paper is surely discharged, even when an air amount is increased according to the increase of a speed, etc.SOLUTION: The fixing device fixing a recording material in a nip portion formed by a fixing member and a pressure member 84 includes air discharge means spraying the air to the recording material, to separate the recording material from the fixing member, a first guide member provided on the side of the fixing surface of the recording material, a second guide member 86 provided on the side of the non-fixing surface of the recording material and having a predetermined gap from the pressure member, air sucking means 130 provided in a position on the side opposite to the first guide member of the second guide member and sucking the air from the gap, to suck the recording material to the second guide member, and a wind shielding member 232E which is projected from the guide surface of the second guide member on the downstream side of a gap C in the discharge direction of the recording material, whose width is larger than the width of the recording material, and which is extended in the width direction of the recording material.
摘要翻译：要解决的问题：提供一种定影装置，其中当喷射空气以分离记录纸时，由于排出的记录纸的挥动的发生而导致图像故障，并且记录纸被可靠地排出，即使根据速度等的增加而使空气量增加。解决方案：将定影装置固定在由固定构件和压力构件84形成的夹持部中的定影装置包括：空气排出装置，喷射空气将记录材料从固定部件分离的第一引导部件，设置在记录材料的固定面一侧的第一引导部件，设置在记录材料的非固定面侧的第二引导部件86 材料，并且与压力构件具有预定的间隙，空气吸入装置130设置在与第二引导构件的第一引导构件相对的一侧的位置并从间隙吸取空气以吸入第二引导构件的记录材料和从第二引导构件的引导表面在记录材料的排出方向上的间隙C的下游侧突出的风屏蔽构件232E，其宽度大于记录材料的宽度，并且在记录材料的宽度方向上延伸。版权所有（C）2012，JPO＆INPIT

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