Patents Assigned to Unicorn Image Products Co. Ltd. of Zhuhai
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Publication number: 20220404761Abstract: The present invention provides a process cartridge and an electronic imaging device. The process cartridge includes a cartridge body having an accommodating cavity; a developing roller rotatably installed in the accommodating cavity; a photosensitive drum rotatably installed in the cartridge body; a charging roller that is in contact with a peripheral surface of the photosensitive drum and is spaced from the developing roller; and a cleaning member that is located in the accommodating cavity and installed in the cartridge body, extends in a direction parallel to the charging roller, and is in contact with a peripheral surface of the charging roller. The developing roller is in contact with the peripheral surface of the photosensitive drum. The electronic imaging device includes a machine body, and the foregoing process cartridge is detachably installed thereon. The present invention can increase the utilization rate of toner and reduce abrasion of the photosensitive drum.Type: ApplicationFiled: January 6, 2022Publication date: December 22, 2022Applicant: PRINT-RITE · UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Xiaofeng Yang, Xinhua Yi, Leungmui Ho, Yuxia Zheng, Kinkeung So
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Publication number: 20220004120Abstract: A developer supply container and an electrophotography imaging apparatus using the developer supply container, relating to the field of electronic imaging apparatuses. The developer supply container comprising an accommodating cylinder and a feeding member is provided in the accommodating cylinder, wherein an outer surface of the accommodating cylinder is provided with a driving receiving portion. The developer supply container is further provided with a housing located at an end of the accommodating cylinder, the housing is provided with a powder outlet.Type: ApplicationFiled: September 15, 2021Publication date: January 6, 2022Applicant: PRINT-RITE · UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Xinhua Yi, Xiaofeng Yang
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Patent number: 11110519Abstract: A metal three-dimensional printer, a printing method, and a three-dimensional printing material. The three-dimensional printer includes a printing head, a heating apparatus, a printing platform, and a sintering shaping chamber. The printing method includes a preliminary shaping step and a sintering step. The heating apparatus heats the three-dimensional printing material. A heating temperature of the heating apparatus is 50° C. to 300° C., and a binder bonds metal powder at 50° C. to 300° C., and the three-dimensional printing material is extruded onto the printing platform to form a preliminary cured object. In the sintering step, the preliminary cured object is sintered and cured into a shaped object.Type: GrantFiled: August 14, 2018Date of Patent: September 7, 2021Assignee: PRINT-RITE ⋅ UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Leungmui Ho, Kinkeung So, Yonggang He
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Patent number: 10768573Abstract: A process cartridge and an electrophotographic image forming apparatus. The process cartridge includes a cartridge body, a photosensitive drum having a first axis, and a driving force receiving member having a second axis. The photosensitive drum is rotatably supported between two end walls of the cartridge body, and the driving force receiving member has a head portion and a shaft portion. The driving force receiving member is connected to an axial end of the photosensitive drum through an Oldham coupling; a rotation angle limiting mechanism is disposed between the driving force receiving member and the photosensitive drum; and the driving force receiving member is movable in a direction perpendicular to the first axis and rotatable around the second axis such that the second axis is either co-axial or parallel with the first axis.Type: GrantFiled: March 13, 2019Date of Patent: September 8, 2020Assignee: PRINT-RITE, UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Kinkeung So, Xiaofeng Yang, Wenyi Ding
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Patent number: 9639027Abstract: The present invention relates a toner cartridge used for a laser printer. The toner cartridge comprises: a toner tank for storing fresh toner and a waste toner tank for storing waste toner obtained after development. When the toner cartridge is installed in a laser printer, the toner tank has a toner supplying section at a lower portion in a vertical direction thereof for supplying toner to an external environment. Two inner surfaces of the toner tank, arranged in a transverse direction of the toner tank and parallel with a direction in which the toner cartridge is installed into the laser printer, keep in a plane state at positions higher than the toner supplying section and are parallel with the vertical direction.Type: GrantFiled: November 13, 2014Date of Patent: May 2, 2017Assignee: Print-Rite • Unicorn Image Products Co., Ltd. of ZhuhaiInventor: Yonggang He
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Patent number: 9442424Abstract: The present invention discloses a developing cartridge for a laser printer, comprising a stirring wheel and an activation mechanism, the activation mechanism comprising a diameter-changing wheel, a return spring and a sliding block, wherein the diameter-changing wheel is parallel with an axial direction of the stirring wheel and includes two sections of arcs, a larger diameter arc of the two sections of arcs is meshed with the stirring wheel, a protruding block is provided on a lateral end wall at a side of the axial direction of the diameter-changing wheel facing the end cover, a part of the end cover corresponding to the diameter-changing wheel is provided as an inclined wall, the inclined wall is provided with a sliding groove, the sliding block is mounted in the sliding groove, the return spring presses the sliding block in the sliding groove at one end close to the diameter-changing wheel.Type: GrantFiled: December 23, 2013Date of Patent: September 13, 2016Assignee: PRINT-RITE · UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Wenyi Fan, Qile Wang
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Patent number: 9274500Abstract: A torque receiving assembly, a photosensitive drum and a process cartridge having such torque receiving assembly. The torque receiving assembly having a body having an axis and having an accommodating chamber; a driven shaft disposed coaxially with the body, the driven shaft including a guide stem and a coupling head provided at one axial end of the guide stem, the guide stem having a pair of output arms which extend outwardly in a radial direction, the coupling head having a plurality of projections; wherein a pair of input arms are provided at an inner wall of the accommodating chamber and configured for abutting with the output arms; the guide stem is movable in the axial direction relative to the body, the torque receiving assembly further has a distance-limiting mechanism that defines a maximum distance the driven shaft is able to move relative to the body in the axis direction. The photosensitive drum and process cartridge according to the present invention both include the torque receiving assembly.Type: GrantFiled: March 11, 2015Date of Patent: March 1, 2016Assignee: Print-Rite • Unicorn Image Products Co., Ltd. of ZhuhaiInventors: Qile Wang, Xiaofeng Yang, Zhengguang Li
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Patent number: 9274454Abstract: Disclosed is a chip contact mechanism for a developer cartridge. The chip contact mechanism comprises a chip holder movably provided on the developer cartridge and a lever for enabling the chip holder to move. The chip holder is provided with a chip installation position. A return member is provided between the chip holder and the cartridge body. Disclosed is also a developer cartridge which comprises the chip contact mechanism.Type: GrantFiled: February 6, 2013Date of Patent: March 1, 2016Assignee: PRINT-RITE • UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Xiaofeng Yang, Congyu Qiu, Wugang Tan
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Publication number: 20160041502Abstract: The present invention discloses a developing cartridge for a laser printer, comprising a stirring wheel and an activation mechanism, the activation mechanism comprising a diameter-changing wheel, a return spring and a sliding block, wherein the diameter-changing wheel is parallel with an axial direction of the stirring wheel and includes two sections of arcs, a larger diameter arc of the two sections of arcs is meshed with the stirring wheel, a protruding block is provided on a lateral end wall at a side of the axial direction of the diameter-changing wheel facing the end cover, a part of the end cover corresponding to the diameter-changing wheel is provided as an inclined wall, the inclined wall is provided with a sliding groove, the sliding block is mounted in the sliding groove, the return spring presses the sliding block in the sliding groove at one end close to the diameter-changing wheel.Type: ApplicationFiled: December 23, 2013Publication date: February 11, 2016Applicant: PRINT-RITE º UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Wenyi FAN, Qile WANG
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Patent number: 9170549Abstract: A torque receiving assembly, a photosensitive drum and a process cartridge having such torque receiving assembly. The torque receiving assembly having a body having an axis and having an accommodating chamber; a driven shaft disposed coaxially with the body, the driven shaft including a guide stem and a coupling head provided at one axial end of the guide stem, the guide stem having a pair of output arms which extend outwardly in a radial direction, the coupling head having a plurality of projections; wherein a pair of input arms are provided at an inner wall of the accommodating chamber and configured for abutting with the output arms; the guide stem is movable in the axial direction relative to the body, the torque receiving assembly further comprises a distance-limiting mechanism that defines a maximum distance the driven shaft is able to move relative to the body in the axis direction.Type: GrantFiled: July 24, 2014Date of Patent: October 27, 2015Assignee: PRINT-RITE • UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventor: Qile Wang
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Patent number: 9063465Abstract: Disclosed is a toner cartridge. The toner cartridge comprises a rotary container body, a toner discharge port, a sealing component, a connection component and a transmission component. The toner discharge port is placed on the rotary container body. The sealing component is placed inside the toner discharge port. The connection component is slide-connected with the toner discharge port. The transmission component is slide-connected with the connection component. When the transmission component is driven to rotate, it drives the connection component, the toner discharge port, and the rotary container body to rotate together.Type: GrantFiled: July 10, 2012Date of Patent: June 23, 2015Assignee: PRINT-RITE• UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Zongqian Huang, Honghui Zhou
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Patent number: 8929773Abstract: A process cartridge used in an image forming apparatus, the process cartridge having a photosensitive drum, a developer roller, a conductive electrode and a rectifier. The photosensitive drum and the developer roller are contacted with each other. The conductive electrode is contacted with a power supply electrode in the image forming apparatus to receive a developing bias. The rectifier converts an alternating current bias voltage into a direct current bias voltage. The rectifier is electrically connected between the conductive electrode and the developer roller. A rectifier converting an alternating current bias voltage into a direct current bias voltage is added into a contact process cartridge in the present invention. Therefore, the contact process cartridge can be applied to a printer using a jumping development method.Type: GrantFiled: March 19, 2010Date of Patent: January 6, 2015Assignee: Print-Rite • Unicorn Image Products Co., Ltd. of ZhuhaiInventor: Kin Keung So
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Patent number: 8867954Abstract: Disclosed is a toner cartridge, which comprises a case, a toner outlet and a gate that can slide to close the toner outlet. The inside of the gate has a bump which can be resisted by the opening mechanism to open the toner outlet. The outside of the gate has an elastic buckle which can be resisted by the closing mechanism to close the toner outlet. The outside of the toner feeding compartment has a notch; the bottom surface of the notch is connected with the outside of the toner feeding compartment through the guiding slope. When the gate is in the closing position, the elastic buckle and the notch coordinate; when the gate is in the opening position the elastic buckle separates from the notch and is put on the outside surface of the toner feeding compartment.Type: GrantFiled: April 18, 2011Date of Patent: October 21, 2014Assignee: Print-Rite ° Unicorn Image Products Co., Ltd. of ZhuhaiInventor: Quan Liu
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Publication number: 20140219690Abstract: A developer cartridge comprises a cartridge box, a stirring member, a developing roller, a gear set which receives driving force and drives the stirring member and the developing roller; a rotation member which is installed on the exterior wall of the cartridge box and is provided with a clutch gear and a coaxial cam wherein the clutch gear has a small-diameter portion which is clearance-fitted with one gear top of the gear set and a large-diameter portion which is interference-fitted with the gear top and wherein the large-diameter portion is provided with an elastic friction layer along the circumference and the cam is in a staggered phase with the clutch gear; a contact member which is installed on the exterior wall of the cartridge box and has a contact end and a trigger end; and an elastic member which is installed between the cartridge box and the contact member.Type: ApplicationFiled: September 7, 2012Publication date: August 7, 2014Applicant: "PRINT-RITE"." UNICORN" IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Zhengguang Li, Wenyi Fan
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Publication number: 20140169837Abstract: Disclosed is a toner cartridge. The toner cartridge comprises a rotary container body, a toner discharge port, a sealing component, a connection component and a transmission component. The toner discharge port is placed on the rotary container body. The sealing component is placed inside the toner discharge port. The connection component is slide-connected with the toner discharge port. The transmission component is slide-connected with the connection component. When the transmission component is driven to rotate, it drives the connection component, the toner discharge port, and the rotary container body to rotate together.Type: ApplicationFiled: July 10, 2012Publication date: June 19, 2014Applicant: PRINT-RITE -UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Zongqian Huang, Honghui Zhou
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Patent number: D772336Type: GrantFiled: November 25, 2014Date of Patent: November 22, 2016Assignee: PRINT-RITE • UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Wenyi Fan, Wugang Tan
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Patent number: D779587Type: GrantFiled: January 7, 2015Date of Patent: February 21, 2017Assignee: PRINT-RITE • UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Zhengguang Li, Xiaofeng Yang
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Patent number: D783086Type: GrantFiled: November 25, 2014Date of Patent: April 4, 2017Assignee: PRINT-RITE • UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Yuwen Yan, Xiaofeng Yang
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Patent number: D788195Type: GrantFiled: January 15, 2015Date of Patent: May 30, 2017Assignee: PRINT-RITE • UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Li'an Liu, Daoquan Song, Kin Keung So
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Patent number: D799489Type: GrantFiled: March 15, 2016Date of Patent: October 10, 2017Assignee: PRINT-RITE • UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAIInventors: Qingshun Chen, Yannan Yang