Patents Assigned to Aurora Office Equipment Co., Ltd.
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Patent number: 11801515Abstract: A paper scrap pushing structure of a paper shredder, having a paper pushing unit, with a spindle having a longitudinal axis, a spindle flap coupled along the longitudinal axis to the spindle; and a paddle pushing segment, coupled to the spindle flap. The spindle is arranged under a paper outlet of the paper shredder and is in linkage with a paper shredder cutter shaft through a synchronous transmission device. When the rotating shaft rotates, the rotating shaft drives the paddle pushing segment to move in the circumferential direction along with the spindle flap, removing paper scraps at the top of a paper scrap pile in a shredded paper waste bin.Type: GrantFiled: December 16, 2021Date of Patent: October 31, 2023Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Chung Shih Tsai, Er Ren Zhong, Guanglong Chen
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Patent number: 11752504Abstract: A paper shredder motor cooling assembly having a paper shredder motor coupled to a fan shaft, an enclosure surrounding the paper shredder motor and having selected input and selected output vents to control airflow to the paper shredder motor, a fan coupled to the fan shaft, communicating with the selected input vents or the selected output vents; when the paper shredder motor is operating, the rotor shaft turns the fan to generate a differential air pressure between the selected input vents and the selected output vents, removing heat from the motor. A duty cycle of greater than 50% is obtained. The fan can be coupled to the motor by speed increasing gearing, attached to the cutter blade assembly, such that the fan turns faster than the motor. The fan also can be attached to the motor shaft. An input fan and an output fan can be used.Type: GrantFiled: October 19, 2020Date of Patent: September 12, 2023Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Kiapin Li, Zhankai Yang, Yung Kang Tso, Bin Zhang
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Patent number: 11707744Abstract: A paper shredder motor cooling assembly having a paper shredder motor coupled to a fan shaft, an enclosure surrounding the paper shredder motor and having selected input and selected output vents to control airflow to the paper shredder motor, a fan coupled to the fan shaft, communicating with the selected input vents or the selected output vents; when the paper shredder motor is operating, the rotor shaft turns the fan to generate a differential air pressure between the selected input vents and the selected output vents, removing heat from the motor. A duty cycle of greater than 50% is obtained. The fan can be coupled to the motor by speed increasing gearing, attached to the cutter blade assembly, such that the fan turns faster than the motor. The fan also can be attached to the motor shaft. An input fan and an output fan can be used.Type: GrantFiled: October 19, 2020Date of Patent: July 25, 2023Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Kiapin Li, Zhankai Yang, Yung Kang Tso, Bin Zhang
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Patent number: 11684928Abstract: An automatic shredder having an upper shredder cover, a lower shredder cover, a first paper box, a second paper box, a shredder cover plate, a paper pressing plate, a paper pressing roller set, a paper pick-up roller set, a paper inlet, a cutter shaft set, a drive motor, a shell and a waste paper barrel. The automatic shredder adopts a bent paper box to change the length of to-be-shredded paper by means of the flexibility and bendability of paper and the features of paper pick-up rollers on one side, is extremely simple and economical, and changes the flat paper placement structure of existing automatic shredders.Type: GrantFiled: March 17, 2021Date of Patent: June 27, 2023Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Er Ren Zhong, Tao Kuei Chuang, Guanglong Chen
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Patent number: 11648567Abstract: Automatic paper shredder having a paper pressing mechanism, which includes upper shredder cover, lower shredder cover, paper support box, paper pressing plate, cover plate, spindle and two spindle holders. Upper cover is connected to lower cover. Paper support box is above the lower cover forming a cavity for to-be-shredded paper. Fixed ends of paper pressing plate and cover plate are around the spindle, so free ends of paper pressing plate and cover plate can rotate coaxially. Two ends of spindle are respectively disposed in two spindle holders, so spindle can rotate. Two spindle holders are connected to upper cover to connect cover plate and paper pressing plate to upper cover. Paper pressing plate is disposed below cover plate and for pressing to-be-shredded paper placed on paper support box when a user closes cover plate.Type: GrantFiled: February 18, 2021Date of Patent: May 16, 2023Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Guanglong Chen, Yung Kang Tso
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Patent number: 11413623Abstract: A paper shredder motor cooling assembly having a paper shredder motor coupled to a fan shaft, an enclosure surrounding the paper shredder motor and having selected input and selected output vents to control airflow to the paper shredder motor, a fan coupled to the fan shaft, communicating with the selected input vents or the selected output vents; when the paper shredder motor is operating, the rotor shaft turns the fan to generate a differential air pressure between the selected input vents and the selected output vents, removing heat from the motor. A duty cycle of greater than 15 minutes is obtained. The fan can be coupled to the motor by speed increasing gearing, attached to the cutter blade assembly, such that the fan turns faster than the motor. The fan also can be attached to the motor shaft. An input fan and an output fan can be used.Type: GrantFiled: June 25, 2018Date of Patent: August 16, 2022Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Kiapin Li, Zhankai Yang, Yung Kang Tso, Bin Zhang
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Publication number: 20220126301Abstract: Automatic paper shredder having a paper pressing mechanism, which includes upper shredder cover, lower shredder cover, paper support box, paper pressing plate, cover plate, spindle and two spindle holders. Upper cover is connected to lower cover. Paper support box is above the lower cover forming a cavity for to-be-shredded paper. Fixed ends of paper pressing plate and cover plate are around the spindle, so free ends of paper pressing plate and cover plate can rotate coaxially. Two ends of spindle are respectively disposed in two spindle holders, so spindle can rotate. Two spindle holders are connected to upper cover to connect cover plate and paper pressing plate to upper cover. Paper pressing plate is disposed below cover plate and for pressing to-be-shredded paper placed on paper support box when a user closes cover plate.Type: ApplicationFiled: February 18, 2021Publication date: April 28, 2022Applicant: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Guanglong Chen, Yung Kang Tso
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Patent number: 11090657Abstract: An automatic paper shredder includes a shredder cover, a paper holding box, a shell, a paper holding plate, a paper holding plate inlet, a paper shredding component, a drive motor, a paper pressing plate, a paper pick-up component, and a waste paper bin. The paper pressing effect is improved through a spliced paper pressing plate, and the paper pick-up effect is improved through a damping plate, a soft rubber piece, and a convex rib, and thus, efficiency is improved. The automatic paper shredder has the characteristics of being highly automated, convenient to use, safe, reliable, structurally simple and cost-effective.Type: GrantFiled: February 28, 2019Date of Patent: August 17, 2021Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Chung Shih Tsai, Er Ren Zhong, Taokuei Chuang
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Patent number: 11084041Abstract: A paper shredder has a paper tray, a paper inlet, a shredder cover, a paper pressing plate, paper pick-up rollers, a shredder cutter shaft, a motor, a wastepaper barrel, and a paper limiter. The paper tray carries a stack of to-be-shredded paper. The paper inlet guides to-be-shredded paper. The shredder cover end is connected to the shredder body by a rotary shaft, closing or opening the shredder body. The paper pressing pl presses the stack in the paper tray. The paper pick-up rollers are on one side of the paper inlet, feeding the paper tray stack into the paper inlet. The shredder cutter shaft shreds the to-be-shredded paper. The motor drives the shredder cutter shaft to operate. The wastepaper barrel is located below the paper inlet to collect shredded paper. The paper limiter is limits one of a thickness or a length of the stack placed in the paper tray.Type: GrantFiled: September 19, 2019Date of Patent: August 10, 2021Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Chung Shih Tsai, Er Ren Zhong, Guanglong Chen, Tao Kuei Chuang
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Patent number: 11052402Abstract: An automatic paper shredder with a staple removing structure and a staple removing method using the same. The automatic paper shredder includes a shredder cover, a paper holding box, a shell, a paper holding plate, a paper inlet, a paper shredding component, a drive motor, a paper pick-up component, a paper pressing plate, a straight through-hole, a waste paper bin and a staple removing component. The automatic paper shredder removes a staple (or clip) on a stack of paper through cooperation with a paper shredding structure. Paper can be automatically picked up in batches. Meanwhile, damage caused by staples to the whole shredder is prevented, and thus, the whole shredder is protected in use and has a longer service life.Type: GrantFiled: February 28, 2019Date of Patent: July 6, 2021Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Chung Shih Tsai, Er Ren Zhong, Taokuei Chuang
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Publication number: 20210086190Abstract: A paper shredder has a paper tray, a paper inlet, a shredder cover, a paper pressing plate, paper pick-up rollers, a shredder cutter shaft, a motor, a wastepaper barrel, and a paper limiter. The paper tray carries a stack of to-be-shredded paper. The paper inlet guides to-be-shredded paper. The shredder cover end is connected to the shredder body by a rotary shaft, closing or opening the shredder body. The paper pressing pl presses the stack in the paper tray. The paper pick-up rollers are on one side of the paper inlet, feeding the paper tray stack into the paper inlet. The shredder cutter shaft shreds the to-be-shredded paper. The motor drives the shredder cutter shaft to operate. The wastepaper barrel is located below the paper inlet to collect shredded paper. The paper limiter is limits one of a thickness or a length of the stack placed in the paper tray.Type: ApplicationFiled: September 19, 2019Publication date: March 25, 2021Applicant: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Chung Shih Tsai, Er Ren Zhong, Guanglong Chen, Tao Kuei Chuang
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Publication number: 20210031207Abstract: A paper shredder motor cooling assembly having a paper shredder motor coupled to a fan shaft, an enclosure surrounding the paper shredder motor and having selected input and selected output vents to control airflow to the paper shredder motor, a fan coupled to the fan shaft, communicating with the selected input vents or the selected output vents; when the paper shredder motor is operating, the rotor shaft turns the fan to generate a differential air pressure between the selected input vents and the selected output vents, removing heat from the motor. A duty cycle of greater than 50% is obtained. The fan can be coupled to the motor by speed increasing gearing, attached to the cutter blade assembly, such that the fan turns faster than the motor. The fan also can be attached to the motor shaft. An input fan and an output fan can be used.Type: ApplicationFiled: October 19, 2020Publication date: February 4, 2021Applicant: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Kiapin Li, Zhankai Yang, Yung Kang Tso, Bin Zhang
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Publication number: 20210031208Abstract: A paper shredder motor cooling assembly having a paper shredder motor coupled to a fan shaft, an enclosure surrounding the paper shredder motor and having selected input and selected output vents to control airflow to the paper shredder motor, a fan coupled to the fan shaft, communicating with the selected input vents or the selected output vents; when the paper shredder motor is operating, the rotor shaft turns the fan to generate a differential air pressure between the selected input vents and the selected output vents, removing heat from the motor. A duty cycle of greater than 50% is obtained. The fan can be coupled to the motor by speed increasing gearing, attached to the cutter blade assembly, such that the fan turns faster than the motor. The fan also can be attached to the motor shaft. An input fan and an output fan can be used.Type: ApplicationFiled: October 19, 2020Publication date: February 4, 2021Applicant: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Kiapin Li, Zhankai Yang, Yung Kang Tso, Bin Zhang
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Patent number: 10875029Abstract: A paper scrap pushing structure of a paper shredder, including a rotating shaft, a paper pushing rod, and connecting rods, in which the rotating shaft is arranged under a paper outlet, and is in linkage with a paper shredder cutter shaft through a synchronous transmission device. The paper pushing rod is located on one side of the rotating shaft, arranged in the length direction of the rotating shaft in parallel and connected with the rotating shaft through the connecting rods. The distance from the paper pushing rod to the rotating shaft is smaller than the distance from the lowest portion of the paper shredder cutter shaft to the rotating shaft. When rotating, the rotating shaft drives the paper pushing rod to move in a circumferential direction through the connecting rods, removing paper scraps at the top of a paper scrap pile in a shredded paper waste bin.Type: GrantFiled: January 31, 2018Date of Patent: December 29, 2020Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Chung Shih Tsai, Erren Zhong, Guanglong Chen
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Patent number: 10814332Abstract: A paper shredder motor cooling assembly having a paper shredder motor coupled to a fan shaft, an enclosure surrounding the paper shredder motor and having selected input and selected output vents to control airflow to the paper shredder motor, a fan coupled to the fan shaft, communicating with the selected input vents or the selected output vents; when the paper shredder motor is operating, the rotor shaft turns the fan to generate a differential air pressure between the selected input vents and the selected output vents, removing heat from the motor. A duty cycle of greater than 15 minutes is obtained. The fan can be coupled to the motor by speed increasing gearing, attached to the cutter blade assembly, such that the fan turns faster than the motor. The fan also can be attached to the motor shaft. An input fan and an output fan can be used.Type: GrantFiled: May 29, 2015Date of Patent: October 27, 2020Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Kiapin Li, Zhankai Yang, Yung Kang Tso, Bin Zhang
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Publication number: 20200276594Abstract: An automatic paper shredder includes a shredder cover, a paper holding box, a shell, a paper holding plate, a paper holding plate inlet, a paper shredding component, a drive motor, a paper pressing plate, a paper pick-up component, and a waste paper bin. The paper pressing effect is improved through a spliced paper pressing plate, and the paper pick-up effect is improved through a damping plate, a soft rubber piece, and a convex rib, and thus, efficiency is improved. The automatic paper shredder has the characteristics of being highly automated, convenient to use, safe, reliable, structurally simple and cost-effective.Type: ApplicationFiled: February 28, 2019Publication date: September 3, 2020Applicant: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Chung Shih Tsai, Er Ren Zhong, Taokuei Chuang
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Patent number: 10695770Abstract: A mechanical bin-full device for a paper shredder with a bin, having a curved, perforated T-blade sensor on a cylindrical body partially covered with a metal sheet. The T-blade is pendent into the bin. Metal contacts are placed on the paper shredder near the metal sheet, forming a switch, which is coupled to a motor control circuit for the shredder motor. The T-blade is pushed by paper shreddant and rotates the cylinder body as paper shreddant fills the bin. When the bin becomes full, the T-blade is positioned so that the metal contacts touch the metal sheet, closing the control circuit switch, and causing the motor to cease operating. The control circuit can include a microcontroller coupled to the motor, or a transistor-based driver coupled to a motor relay.Type: GrantFiled: May 24, 2018Date of Patent: June 30, 2020Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Yung Kang Tso, Xiuming Liu
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Patent number: 10639642Abstract: A paper shredder having shredder cover and a motor coupled to shredder blades includes a shredder throat in proximity to shredder blades. The shredder throat has a moveable blade, and a fixed blade. A shredder jam grip has a projection in communication with a power switch plunger. When the shredder is in the NORMAL position, a throat gap is in its normal position and the projection positions the plunger to power to the motor. When the shredder is in the JAM CLEAR position, the throat gap is in its wide position and the projection positions the plunger to remove power from the motor.Type: GrantFiled: October 23, 2017Date of Patent: May 5, 2020Assignee: AURORA OFFICE EQUIPMENT CO., LTD. SHANGHAIInventors: Chung Shih Tsai, Yung Kang Tso, Xiuming Liu
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Patent number: 10537896Abstract: A paper shredder with counter-rotating shredder blades coupled to a shredder motor, including a paper tray having a floor and being shaped to receive paper. The floor has an offset slot therein adjacent to the counter-rotating shredder blades. The engagement wheels partly protrude through floor, adjacent to the offset slot. The engagement wheels frictionally engage paper and turn towards the offset slot to force paper into the shredder blades. Also, a dentate catch disposed in each corner of the paper tray temporarily holds an affixment while a sheet of paper held by the affixment is being frictionally engaged by the engagement wheels to enter the slot for comminution. A PAPER FULL sensor, a DOOR OPEN sensor, an OVERLOAD sensor, an OVERHEAT sensor, a paper-in-tray sensor, a paper-at-entry sensor, a SAFETY LOCK sensor, and a cover door open/closed sensor are provided, as are AUTO and MANUAL modes of operation.Type: GrantFiled: July 5, 2016Date of Patent: January 21, 2020Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Chung Shih Tsai, Yung Kang Tso, Guanglong Chen, Bin Zhang
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Patent number: 10449546Abstract: A paper shredder bin-full sensor with a push bar, a conductive element coupled to the push bar, a sensing contact assembly normally set apart from the conductive element, and a signaling contact coupled to the sensing contact assembly. Sensor includes a push bar sweeper between the conductive element and the push bar, and a biasing element coupled to the push bar sweeper, the biasing element elastically resists the shredded material force. A predetermined shredded material force presses the push bar, causing the conductive element to couple to the sensing contact assembly, in turn causing a waste bin-full signal to emanate. Push bar can be articulated and non-articulated. Articulated push bars include upper and lower push bars, and respective tensioning element connecting the respective upper and lower push bars. Lower push bar is extended from upper push bar. Paper shredder can have articulated or non-articulated push bars.Type: GrantFiled: September 27, 2017Date of Patent: October 22, 2019Assignee: Aurora Office Equipment Co., Ltd. ShanghaiInventors: Yung Kang Tso, Xiuming Liu