公开(公告)号：US20170090363A1

公开(公告)日：2017-03-30

申请号：US15266242

申请日：2016-09-15

Applicant: KYOCERA Document Solutions Inc.

Inventor： Takefumi YOTSUTSUJI ,  Yoshihiro YAMAGISHI ,  Takashi EIKI ,  Kotatsu KAWAGUCHI

IPC: G03G15/20

CPC classification number: G03G15/2039

Abstract: A fixing device includes a heating body heated by a heat source, a pressuring body, a conversion temperature detecting part, a substrate temperature detecting part, a lens temperature detecting part, a conversion temperature correcting part and a controller. The conversion temperature detecting part has an infrared ray detecting element mounted to a substrate detecting an infrared ray from the heating body and a lens optically focusing the infrared ray onto the infrared ray detecting element. The conversion temperature detecting part detects conversion temperature of surface temperature of the heating body with detection result of the infrared ray detecting element. The substrate temperature detecting part detects substrate temperature. The lens temperature detecting part detects lens temperature. The conversion temperature correcting part corrects the conversion temperature with the substrate temperature and the lens temperature. The controller controls the heat source so that the conversion temperature becomes predetermined fixing control temperature.

公开(公告)号：US20160154353A1

公开(公告)日：2016-06-02

申请号：US14945871

申请日：2015-11-19

Applicant: KYOCERA Document Solutions Inc.

Inventor： Takefumi YOTSUTSUJI ,  Yoshihiro YAMAGISHI ,  Takashi EIKI

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G2215/2035

Abstract: A fixing device includes a fixing belt, a pressuring member, a pressing member, a shape restricting member and an elastic body. The fixing belt is configured to be rotatable. The pressuring member is configured to be rotatable and to come into pressure contact with the fixing belt so as to form a fixing nip. The pressing member is configured to press the fixing belt to a side of the pressuring member. The shape restricting member is configured to restrict a shape of the fixing belt and having an arc-shaped insertion part to be inserted into an end part of the fixing belt. The elastic body is attached to an end part in a circumferential direction of the insertion part.

Abstract translation: 固定装置包括定影带，加压构件，按压构件，形状限制构件和弹性体。 定影带构造成可旋转。 加压构件被构造成可旋转并与定影带压力接触以形成定影辊隙。 按压构件被构造成将定影带按压到加压构件的一侧。 形状限制构件被构造成限制定影带的形状并且具有待插入到定影带的端部中的弧形插入部。 弹性体在插入部的圆周方向上安装在端部。

公开(公告)号：US20150248089A1

公开(公告)日：2015-09-03

申请号：US14629960

申请日：2015-02-24

Applicant: KYOCERA DOCUMENT SOLUTIONS INC.

Inventor： Yoshiharu KANEMATSU ,  Yoshihiro YAMAGISHI ,  Takashi EIKI ,  Takefumi YOTSUTSUJI ,  Eriko HAYASHI ,  Hironori TAKAHASHI

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G15/2028 ,  G03G2215/2038

Abstract: A fixing device includes a fixing belt, a pressuring member, a pressing member and a sheet member. The fixing belt is arranged rotatably and configured to extend along an axis direction. The pressuring member is arranged rotatably and configured to come into pressure contact with the fixing belt so as to form a fixing nip. The pressing member is configured to press the fixing belt to a side of the pressuring member and configured such that the fixing belt is interposed between the pressing member and the pressuring member. The sheet member is formed in a tubular shape and provided around the pressing member and configured to rotate with rotation of the fixing belt.

Abstract translation: 定影装置包括定影带，加压构件，按压构件和片构件。 定影带可旋转地设置成沿着轴线方向延伸。 加压构件可旋转地配置成与定影带压力接触，以形成定影夹持部。 按压构件被构造成将定影带按压到加压构件的一侧，并且构造成使得定影带介于按压构件和加压构件之间。 片状部件形成为管状，并设置在按压部件的周围，构成为随着定影带的旋转而旋转。

公开(公告)号：US20230168614A1

公开(公告)日：2023-06-01

申请号：US18059220

申请日：2022-11-28

Applicant: KYOCERA Document Solutions Inc.

Inventor： Shunsaku FUJII ,  Takashi EIKI ,  Ryohei TOKUNAGA ,  Yuta KITABAYASHI ,  Rina KIKUGAWA ,  Hiroki KAWASAKI ,  Tei TO

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G15/2028 ,  G03G15/2039

Abstract: An image forming apparatus includes a fixing belt, a pressing member, a heating source, a temperature detecting element, a recording medium detection unit, and a control unit. The heating source is arranged to be opposed to the pressing member via the fixing belt so as to be in contact with an inner circumferential surface of the fixing belt and heats the fixing belt at a fixing nip between the fixing belt and the pressing member. The temperature detecting element detects a temperature of the heating source. The recording medium detection unit is arranged, on a conveyance path, on an upstream side of the fixing nip in a conveyance direction of a recording medium and detects presence/absence of the recording medium being conveyed. Based on the presence/absence of the recording medium detected by the recording medium detection unit, the control unit controls timing for energizing the heating source.

公开(公告)号：US20220317606A1

公开(公告)日：2022-10-06

申请号：US17704506

申请日：2022-03-25

Applicant: KYOCERA Document Solutions Inc.

Inventor： Hiroki KAWASAKI ,  Takashi EIKI ,  Akihiro KONDO ,  Ryohei TOKUNAGA ,  Yuta KITABAYASHI ,  Rina KIKUGAWA ,  Shunsaku FUJII ,  Tei TO

IPC: G03G15/20

Abstract: A fixing belt heats and fixes a toner image formed on a sheet. A plurality of heating element pieces is arranged on an opposing surface of a heater in a main scanning direction. The opposing surface faces the sheet. A heat capacity of the fixing belt and a clearance, in the main scanning direction, of a gap portion between the heating element pieces adjacent to each other have a relationship expressed as follows: (the heat capacity (J/K) of the fixing belt)≥(24×(the clearance (mm))−9).

公开(公告)号：US20220317605A1

公开(公告)日：2022-10-06

申请号：US17704207

申请日：2022-03-25

Applicant: KYOCERA Document Solutions Inc.

Inventor： Rina KIKUGAWA ,  Takashi EIKI ,  Akihiro KONDO ,  Ryohei TOKUNAGA ,  Yuta KITABAYASHI ,  Hiroki KAWASAKI ,  Shunsaku FUJII ,  Tei TO

IPC: G03G15/20 ,  H05B3/00

Abstract: A heater includes electrodes and heating element pieces. The electrodes energize the heating element pieces with electricity. The heating element pieces are connected to the electrodes and arranged through a gap portion in the heater in a main scanning direction. A ratio of a second surface area of the gap portion to a first surface area of the heating element pieces is 0

公开(公告)号：US20220317604A1

公开(公告)日：2022-10-06

申请号：US17656552

申请日：2022-03-25

Applicant: KYOCERA Document Solutions Inc.

Inventor： Shunsaku FUJII ,  Takashi EIKI ,  Akihiro KONDO ,  Yuta KITABAYASHI ,  Rina KIKUGAWA ,  Hiroki KAWASAKI ,  Tei TO ,  Ryohei TOKUNAGA

IPC: G03G15/20

Abstract: An image forming apparatus includes a fixing section, a detection section, and a controller. The detection section detects a passing range of a recording medium in terms of a direction intersecting with a conveyance direction of the recording medium. A heating section of the fixing section includes a first heater and a second heater. The first heater has a longitudinal direction extending in an axis direction. The second heater has a longitudinal direction extending in terms of the axis direction from each of opposite ends of the first heater in terms of the axis direction. When a result of detection by the detection section indicates that the passing range of the recording medium does not overlap with a specific range of the second heater, the controller restricts heat generation by the second heater.

公开(公告)号：US20170102655A1

公开(公告)日：2017-04-13

申请号：US15265525

申请日：2016-09-14

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yoshihiro YAMAGISHI ,  Kotatsu KAWAGUCHI ,  Takashi EIKI ,  Takefumi YOTSUTSUJI

IPC: G03G15/20

CPC classification number: G03G15/206 ,  G03G15/2053 ,  G03G2215/2035

Abstract: A fixing device includes a fixing belt rotatably located around a rotation axis, a pressure member rotatably located, and a pressing member. The pressure member is brought into pressure contact with the fixing belt to form a fixing nip. The pressing member includes a pressing surface that presses the fixing belt toward a side of the pressure member. The pressing surface includes a plane surface portion extending along a conveyance direction of a recording medium, and a curved surface portion located at a downstream side of the plane surface portion in the conveyance direction of the recording medium. The curved surface portion is curved along an outer peripheral surface of the pressure member. The curved surface portion has a curvature radius larger than a curvature radius of the outer peripheral surface of the pressure member before a deformation in association with a formation of the fixing nip.

公开(公告)号：US20160216665A1

公开(公告)日：2016-07-28

申请号：US14994751

申请日：2016-01-13

Applicant: KYOCERA Document Solutions Inc.

Inventor： Takefumi YOTSUTSUJI ,  Yoshihiro YAMAGISHI ,  Takashi EIKI

IPC: G03G15/20

CPC classification number: G03G15/2039 ,  B65G2811/093 ,  G03G15/205 ,  G03G15/2053 ,  G03G2215/00156 ,  G03G2215/2016 ,  G03G2215/2035

Abstract: A fixing device includes a fixing belt, a pressuring member, a heat source, a pressing member, a temperature sensor and a controller. A detected region whose temperature is detected by the temperature sensor is formed in the fixing belt, and an elastic layer of the detected region is provided with a hole in a part thereof in a circumferential direction. The controller judges that the fixing belt is rotating in a case where the temperature detected by the temperature sensor alternately increases and decreases in a state that the heat source is heating the fixing belt, and judges that the fixing belt is not rotating in a case where the temperature detected by the temperature sensor does not alternately increase and decrease in the state that the heat source is heating the fixing belt.

Abstract translation: 定影装置包括定影带，加压构件，热源，按压构件，温度传感器和控制器。 在定影带上形成有由温度传感器检测出温度的检测区域，检测区域的弹性层的圆周方向上设有孔。 在热源正在加热定影带的状态下，由温度传感器检测到的温度交替地升高并降低的情况下，控制器判断为定影带旋转，并判断在定影带不旋转的情况下， 在热源加热定影带的状态下，温度传感器检测到的温度不会交替地增加和减少。

公开(公告)号：US20160132004A1

公开(公告)日：2016-05-12

申请号：US14925396

申请日：2015-10-28

Applicant: KYOCERA DOCUMENT SOLUTIONS INC.

Inventor： Yoshihiro YAMAGISHI ,  Satoshi ISHII ,  Takashi EIKI ,  Takefumi YOTSUTSUJI

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G15/2017 ,  G03G2215/2035

Abstract: A fixing device includes a fixing belt, a pressuring member, a heat source, a pressing member, a heating stop device and a deformation preventing member. The deformation preventing member is configured to face an inner circumferential face of the fixing belt. In a state where the fixing belt is not broken in a circumferential direction, the fixing belt and the deformation preventing member are arranged at an interval, and when the fixing belt is broken in the circumferential direction, the fixing belt is deformed and comes into contact with the deformation preventing member so that the fixing belt is prevented from being deformed to a side far from the heating stop device.

Abstract translation: 固定装置包括定影带，加压构件，热源，按压构件，加热停止装置和变形防止构件。 防变形构件构成为面对定影带的内周面。 在定影带在圆周方向上不断裂的状态下，定影带和变形防止部件间隔设置，当定影带在圆周方向上断裂时，定影带变形并接触 与变形防止构件一起防止定影带变形到远离加热停止装置的一侧。