Patents by Inventor Wai Tong CHAN
Wai Tong CHAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11345010Abstract: An outdoor surface treating apparatus having a body having a handle and a head arranged to be removably connected with an accessory tool assembly. The head includes a first engagement arrangement for releasably engaging with a second engagement arrangement in the accessory tool assembly. A drive unit, arranged in the head, includes a first coupling member for drivingly coupling with a second coupling member in the accessory tool assembly. The first engagement arrangement is fixed. The second engagement arrangement is movable between an extended position and a retracted position. The accessory tool assembly includes a biasing element for biasing the second engagement arrangement into the extended position.Type: GrantFiled: July 19, 2019Date of Patent: May 31, 2022Assignee: Techtronic Cordless GPInventor: Wai Tong Chan
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Patent number: 10705577Abstract: The disclosure provides a cover, adapted to an electronic device. The electronic device includes a housing, and the housing includes an opening. The cover includes a plurality of creases. The cover forms a folding structure by folding along the creases, and the cover is detachably fixed to the housing to cover the opening.Type: GrantFiled: July 10, 2018Date of Patent: July 7, 2020Assignee: ASUSTEK COMPUTER INC.Inventors: Wai-Tong Chan, Sin-Fei Lai, Szu-Tang Chiu
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Publication number: 20200180133Abstract: An oscillating power tool (10) including a main body (14) housing a motor (22) and a drive mechanism (58) operatively coupled to the motor (22). The drive mechanism (58) includes a shaft (66) that is selectively driven in a first rotational direction (194) and in a second rotational direction (206) opposite to the first rotational direction (194). The oscillating power tool (10) further includes an output mechanism (60) operatively coupled to the drive mechanism (58), and the drive mechanism (58) converts rotation of the shaft (66) into oscillation of the output mechanism (60).Type: ApplicationFiled: January 10, 2017Publication date: June 11, 2020Inventors: Wai Tong CHAN, Kwok Ting MOK
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Publication number: 20200030958Abstract: An outdoor surface treating apparatus having a body having a handle and a head arranged to be removably connected with an accessory tool assembly. The head includes a first engagement arrangement for releasably engaging with a second engagement arrangement in the accessory tool assembly. A drive unit, arranged in the head, includes a first coupling member for drivingly coupling with a second coupling member in the accessory tool assembly. The first engagement arrangement is fixed. The second engagement arrangement is movable between an extended position and a retracted position. The accessory tool assembly includes a biasing element for biasing the second engagement arrangement into the extended position.Type: ApplicationFiled: July 19, 2019Publication date: January 30, 2020Inventor: Wai Tong Chan
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Patent number: 10539982Abstract: The present disclosure provides a housing assembly, and the housing assembly is applied to an electronic device. The housing assembly includes a first part and a second part. The first part includes at least one opening. The second part includes at least one mesh area. The mesh area deformably connects to the first part, and covers the opening.Type: GrantFiled: July 10, 2018Date of Patent: January 21, 2020Assignee: ASUSTEK COMPUTER INC.Inventors: Chih-Kuang Lin, Szu-Tang Chiu, Wai-Tong Chan, Sin-Fei Lai
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Patent number: 10542647Abstract: A belt-shaped cover adapted to an electronic device is provided. The electronic device includes a first part and a second part. The second part is movably connected to the first part, and an opening is adjustably formed between the first part and the second part. The belt-shaped cover includes an adjustable belt and a sensing element. The adjustable belt connects the first part and the second part to adjust the size of the opening. The sensing element is disposed on the adjustable belt to sense a connecting mode of the adjustable belt.Type: GrantFiled: July 10, 2018Date of Patent: January 21, 2020Assignee: ASUSTEK COMPUTER INC.Inventor: Wai-Tong Chan
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Patent number: 10539983Abstract: The present disclosure provides an electronic device. The electronic device includes a casing and a detachable unit. The casing includes an opening. The detachable unit is selectively disposed in the opening. The detachable unit includes a recognizing element. The detachable unit is provided for the electronic device provided in the present disclosure. In addition to having an electromagnetic shielding effect, the detachable unit can further provide various different functions, such as cooling, storage, display, communication, and accommodation. A user selects different detachable units according to needs. Therefore, the electronic device provided in the present disclosure helps improve user experience.Type: GrantFiled: July 10, 2018Date of Patent: January 21, 2020Assignee: ASUSTEK COMPUTER INC.Inventors: Szu-Tang Chiu, Sin-Fei Lai, Chih-Kuang Lin, Wai-Tong Chan
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Publication number: 20190344365Abstract: A workpiece limiting device for power tools includes a support arm adapted to contact with a workpiece and limit the workpiece, and a body. The support arm is supported by the body and movable relative to the latter. The workpiece limiting device further includes a quick-release device. The quick-release device allows manual adjustment of the position of the support arm relative to the body and locks this position without using an external tool. Through the workpiece limiting device, the adjustment range of the position of the support arm relative to the power tool can be greatly expanded, and workpieces in different sizes can be processed.Type: ApplicationFiled: May 7, 2019Publication date: November 14, 2019Inventor: Wai Tong CHAN
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Publication number: 20190329336Abstract: A power tool stand includes a stand body, a slide rail mounted to the stand body, and a first holder and a second holder coupled to the slide rail and slidable along the slide rail. The first holder and the second holder are adapted to maintain a relative distance between the first holder and the second holder substantially fixed by a locking device. By using the locking device, after fixing one holder, the user can conveniently fix the other holder to the slide rail at a predetermined distance in a fool-proof way.Type: ApplicationFiled: April 25, 2019Publication date: October 31, 2019Inventor: Wai Tong CHAN
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Publication number: 20190018455Abstract: The present disclosure provides a housing assembly, and the housing assembly is applied to an electronic device. The housing assembly includes a first part and a second part. The first part includes at least one opening. The second part includes at least one mesh area. The mesh area deformably connects to the first part, and covers the opening.Type: ApplicationFiled: July 10, 2018Publication date: January 17, 2019Inventors: Chih-Kuang LIN, Szu-Tang CHIU, Wai-Tong CHAN, Sin-Fei LAI
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Publication number: 20190018456Abstract: The present disclosure provides an electronic device. The electronic device includes a casing and a detachable unit. The casing includes an opening. The detachable unit is selectively disposed in the opening. The detachable unit includes a recognizing element. The detachable unit is provided for the electronic device provided in the present disclosure. In addition to having an electromagnetic shielding effect, the detachable unit can further provide various different functions, such as cooling, storage, display, communication, and accommodation. A user selects different detachable units according to needs. Therefore, the electronic device provided in the present disclosure helps improve user experience.Type: ApplicationFiled: July 10, 2018Publication date: January 17, 2019Inventors: Szu-Tang CHIU, Sin-Fei LAI, Chih-Kuang LIN, Wai-Tong CHAN
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Publication number: 20190018462Abstract: The disclosure provides a cover, adapted to an electronic device. The electronic device includes a housing, and the housing includes an opening. The cover includes a plurality of creases. The cover forms a folding structure by folding along the creases, and the cover is detachably fixed to the housing to cover the opening.Type: ApplicationFiled: July 10, 2018Publication date: January 17, 2019Inventors: Wai-Tong CHAN, Sin-Fei LAI, Szu-Tang CHIU
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Publication number: 20190021192Abstract: A belt-shaped cover adapted to an electronic device is provided. The electronic device includes a first part and a second part. The second part is movably connected to the first part, and an opening is adjustably formed between the first part and the second part. The belt-shaped cover includes an adjustable belt and a sensing element. The adjustable belt connects the first part and the second part to adjust the size of the opening. The sensing element is disposed on the adjustable belt to sense a connecting mode of the adjustable belt.Type: ApplicationFiled: July 10, 2018Publication date: January 17, 2019Inventor: Wai-Tong CHAN
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Patent number: 8966698Abstract: A brush head for an electric toothbrush includes a housing and a plurality of bristle tufts extending through apertures in the housing. A gear train within the housing includes a drive gear configured to oscillate about an axis, and a plurality of first driven gears. Each first driven gear is meshed directly with the drive gear. Drive means are configured to provide motion to the gear train. The drive gear provides a first drive output including a first oscillating motion in a first direction. The driven gears each provide a second drive output including a second oscillating motion in a second direction which is opposite to the first direction.Type: GrantFiled: June 19, 2013Date of Patent: March 3, 2015Assignee: Techtronic Floor Care Technology LimitedInventors: Kwok Ting Mok, Wai Tong Chan
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Publication number: 20140154640Abstract: A dental hygiene device includes a reservoir for storing fluid. The reservoir includes an inlet and an outlet. The dental hygiene device includes a pump having a piston driven by a motor. The pump is in fluid communication with the reservoir. The piston has a forward stroke and a backward stroke for providing a pulsating fluid flow through the outlet of the reservoir. The dental hygiene device includes a transmission connecting the pump and the motor and means to provide intermittent pauses in the pulsating fluid flow.Type: ApplicationFiled: June 19, 2013Publication date: June 5, 2014Inventors: Kwok Ting MOK, Wai Tong CHAN
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Publication number: 20140143962Abstract: A brush head for an electric toothbrush includes a housing and a plurality of bristle tufts extending through apertures in the housing. A gear train within the housing includes a drive gear configured to oscillate about an axis, and a plurality of first driven gears. Each first driven gear is meshed directly with the drive gear. Drive means are configured to provide motion to the gear train. The drive gear provides a first drive output including a first oscillating motion in a first direction. The driven gears each provide a second drive output including a second oscillating motion in a second direction which is opposite to the first direction.Type: ApplicationFiled: June 19, 2013Publication date: May 29, 2014Inventors: Kwok Ting MOK, Wai Tong CHAN
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Patent number: D832834Type: GrantFiled: April 27, 2017Date of Patent: November 6, 2018Assignee: ASUSTeK COMPUTER INC.Inventors: Zuo-Wen Wang, Tong-Shen Hsiung, Ming-Chih Huang, Meng-Chu Huang, Sin-Fei Lai, Fu-Yu Tsai, Szu-Tang Chiu, Chih-Kuang Lin, Chen-Chun Shiang, Wai Tong Chan
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Patent number: D871392Type: GrantFiled: September 11, 2018Date of Patent: December 31, 2019Assignee: ASUSTeK COMPUTER INC.Inventors: Zuo-Wen Wang, Tong-Shen Hsiung, Ming-Chih Huang, Meng-Chu Huang, Sin-Fei Lai, Fu-Yu Tsai, Szu-Tang Chiu, Chih-Kuang Lin, Chen-Chun Shiang, Wai Tong Chan