Patents by Inventor Pi-Liang Wu
Pi-Liang Wu 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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Publication number: 20230381935Abstract: A removal tool for a ball joint contains: a first support arm, a second support arm, a first engagement post, a second engagement post, a first connector, and a second connector. The first support arm includes a rotatable fixing member and the first connector. The second support arm includes a rotatable screwing member and the second connector. The first support arm further includes a first fitting sleeve, and the second support arm includes a second fitting sleeve. The second engagement post includes a first threaded section, and the second engagement post includes a second threaded section, a spiral rotation direction of the first threaded section is opposite to a spiral rotation direction of the second threaded section.Type: ApplicationFiled: May 25, 2022Publication date: November 30, 2023Inventor: PI-LIANG WU
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Patent number: 11478911Abstract: A snap ring pliers contain: a handle, a first clamper, a second clamper, two clamp feet, and an adjustment structure. The handle includes a connection column. The first clamper includes a first hollow fitting ring, a first arcuate section, a second arcuate section, and a first straight section. The second clamper includes a second hollow fitting ring, a third arcuate section, a fourth arcuate section, and a second straight section. A respective one clamp foot of the two clamp feet includes a shaft inserted into the first straight section or the second straight section. The adjustment structure includes a first post, a second post, a threaded rod, and a sleeve. A direction of a threaded section of the first threaded orifice is opposite to a direction of a threaded section of the second threaded orifice. The threaded rod has a first screwing section and a second screwing section.Type: GrantFiled: March 11, 2020Date of Patent: October 25, 2022Inventor: Pi-Liang Wu
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Patent number: 11433507Abstract: Wheel weight pliers contains: a first lever, a second lever, a connection shaft, and a spring. The first lever includes a first grip section and a first work section. The second lever includes a second grip section, a second work section, and a third work section. The first work section has a hook, and a width of two sides of the hook decreases from a root of the hook to a distal end of the hook. The second work section has a blade portion, and the third work section has a hammer. The hammer has a fitting element. The first grip section has multiple recesses adjacent to the second grip section. Two ends of a respective one recess extend on two sides of the first grip section. The second grip section has a notch formed proximate to the first grip section, and the notch faces the multiple toothed ribs.Type: GrantFiled: December 9, 2019Date of Patent: September 6, 2022Inventor: Pi-Liang Wu
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Patent number: 11090787Abstract: A remote operating tool capable of replacing work units contains: a control unit, a connection assembly, and a work unit. The control unit includes a first plier part, a second plier part, and a fixing shaft. The first plier part has a first grip portion and a limitation extension, the second plier part has a second grip portion and an accommodation extension, and the accommodation extension has an aperture. The connection assembly includes a cable and an accommodation sleeve, the cable has a knob, and the accommodation sleeve has a fitting member, wherein the fitting member has a large-diameter section and a small-diameter section. The limitation extension has a first cutout, and the accommodation extension has a second cutout. The control unit further includes a stopper, wherein the defining member is a shell and includes a first chamber.Type: GrantFiled: February 16, 2019Date of Patent: August 17, 2021Inventor: Pi-Liang Wu
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Publication number: 20200306939Abstract: A snap ring pliers contain: a handle, a first clamper, a second clamper, two clamp feet, and an adjustment structure. The handle includes a connection column. The first clamper includes a first hollow fitting ring, a first arcuate section, a second arcuate section, and a first straight section. The second clamper includes a second hollow fitting ring, a third arcuate section, a fourth arcuate section, and a second straight section. A respective one clamp foot of the two clamp feet includes a shaft inserted into the first straight section or the second straight section. The adjustment structure includes a first post, a second post, a threaded rod, and a sleeve. A direction of a threaded section of the first threaded orifice is opposite to a direction of a threaded section of the second threaded orifice. The threaded rod has a first screwing section and a second screwing section.Type: ApplicationFiled: March 11, 2020Publication date: October 1, 2020Inventor: PI-LIANG WU
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Publication number: 20200238480Abstract: Wheel weight pliers contains: a first lever, a second lever, a connection shaft, and a spring. The first lever includes a first grip section and a first work section. The second lever includes a second grip section, a second work section, and a third work section. The first work section has a hook, and a width of two sides of the hook decreases from a root of the hook to a distal end of the hook. The second work section has a blade portion, and the third work section has a hammer. The hammer has a fitting element. The first grip section has multiple recesses adjacent to the second grip section. Two ends of a respective one recess extend on two sides of the first grip section. The second grip section has a notch formed proximate to the first grip section, and the notch faces the multiple toothed ribs.Type: ApplicationFiled: December 9, 2019Publication date: July 30, 2020Inventor: PI-LIANG WU
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Patent number: 10688636Abstract: A device for unfastening fasteners includes an operation device, a cable unit and a working unit. The cable unit is connected between the operation device and the working unit. The operation device includes a first part and a second part pivotably connected to each other by a pivot. The first part includes a first extension with a first hole. The second part includes a second extension with a second hole. A first slot communicates with the first hole. A second slot communicates with the second hole. The cable unit includes a cable and a sheath. The cable extends through the first and second holes via the first and second slots, and connected with an end piece which contacts the first extension. A stop member is mounted to the first extension to close the first slot. The cable is separated from the operation device easily without causing damage to the cable.Type: GrantFiled: July 10, 2017Date of Patent: June 23, 2020Inventor: Pi-Liang Wu
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Patent number: 10632598Abstract: A joint-removing tool includes a control unit, a clamp unit and a connector unit. The control unit includes two pivotally connected levers each including a handle and a pivoting section. The handle and the pivoting section of the first lever are located between that of the second lever. The clamp unit includes a shell and two jaws. Each of the jaws includes a first section movably inserted in the shell, a second section in contact with the shell, and a third section located out of the shell. The connector unit includes a wire extending throughout a sheath. The wire includes an end connected to the pivoting section of the first lever and another end connected to the first sections of the jaws. The sheath includes an end connected to the pivoting section of the second lever and another end connected to the shell.Type: GrantFiled: April 28, 2017Date of Patent: April 28, 2020Inventor: Pi-Liang Wu
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Publication number: 20200030951Abstract: A remote operating tool capable of replacing work units contains: a control unit, a connection assembly, and a work unit. The control unit includes a first plier part, a second plier part, and a fixing shaft. The first plier part has a first grip portion and a limitation extension, the second plier part has a second grip portion and an accommodation extension, and the accommodation extension has an aperture. The connection assembly includes a cable and an accommodation sleeve, the cable has a knob, and the accommodation sleeve has a fitting member, wherein the fitting member has a large-diameter section and a small-diameter section. The limitation extension has a first cutout, and the accommodation extension has a second cutout. The control unit further includes a stopper, wherein the defining member is a shell and includes a first chamber.Type: ApplicationFiled: February 16, 2019Publication date: January 30, 2020Inventor: PI-LIANG WU
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Publication number: 20190358796Abstract: A repair tool for a drum brake contains: a base, a first engagement member, a second engagement member, and a screw rod. The first engagement member is connected with the base, the second engagement member is movably fixed in the base, and the screw rod is rotatably connected with the first engagement member and the second engagement member. The first engagement member includes a first raised portion, a first extension, and a first locking portion, wherein the first locking portion has a first groove and a first notch. The second engagement member includes a second raised portion, a second extension, and a second locking portion, wherein the second locking portion has a second groove and a second notch. The screw rod inserts through the second raised portion and includes a coupling stem and a rotatable portion connected with the coupling stem and located outside the base.Type: ApplicationFiled: November 1, 2018Publication date: November 28, 2019Inventor: PI-LIANG WU
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Patent number: 10371220Abstract: A piston-returning apparatus for a disc brake includes two pushing plates, a collar, a rotating unit and a handle. Each of the pushing plates includes a threaded element. The collar includes two screw holes for receiving the threaded elements of the pushing plates respectively so that the pushing plates are synchronously moved toward or away from the collar when the collar is rotated. The handle is connected to the collar via the rotating unit. The rotating unit is switchable between two modes. In the first mode, the rotating unit rotates the collar clockwise when the handle is pivoted clockwise but the rotating unit does not rotate the collar counterclockwise when the handle is pivoted counterclockwise. In the second mode, the rotating unit rotates the collar counterclockwise when the handle is pivoted counterclockwise but the rotating unit does not rotate the collar clockwise when the handle is pivoted clockwise.Type: GrantFiled: January 25, 2017Date of Patent: August 6, 2019Inventor: Pi-Liang Wu
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Publication number: 20180290276Abstract: A device for unfastening fasteners includes an operation device, a cable unit and a working unit. The cable unit is connected between the operation device and the working unit. The operation device includes a first part and a second part pivotably connected to each other by a pivot. The first part includes a first extension with a first hole. The second part includes a second extension with a second hole. A first slot communicates with the first hole. A second slot communicates with the second hole. The cable unit includes a cable and a sheath. The cable extends through the first and second holes via the first and second slots, and connected with an end piece which contacts the first extension. A stop member is mounted to the first extension to close the first slot. The cable is separated from the operation device easily without causing damage to the cable.Type: ApplicationFiled: July 10, 2017Publication date: October 11, 2018Inventor: PI-LIANG WU
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Publication number: 20180236643Abstract: A joint-removing tool includes a control unit, a clamp unit and a connector unit. The control unit includes two pivotally connected levers each including a handle and a pivoting section. The handle and the pivoting section of the first lever are located between that of the second lever. The clamp unit includes a shell and two jaws. Each of the jaws includes a first section movably inserted in the shell, a second section in contact with the shell, and a third section located out of the shell. The connector unit includes a wire extending throughout a sheath. The wire includes an end connected to the pivoting section of the first lever and another end connected to the first sections of the jaws. The sheath includes an end connected to the pivoting section of the second lever and another end connected to the shell.Type: ApplicationFiled: April 28, 2017Publication date: August 23, 2018Inventor: PI-LIANG WU
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Publication number: 20180180117Abstract: A piston-returning apparatus for a disc brake includes two pushing plates, a collar, a rotating unit and a handle. Each of the pushing plates includes a threaded element. The collar includes two screw holes for receiving the threaded elements of the pushing plates respectively so that the pushing plates are synchronously moved toward or away from the collar when the collar is rotated. The handle is connected to the collar via the rotating unit. The rotating unit is switchable between two modes. In the first mode, the rotating unit rotates the collar clockwise when the handle is pivoted clockwise but the rotating unit does not rotate the collar counterclockwise when the handle is pivoted counterclockwise. In the second mode, the rotating unit rotates the collar counterclockwise when the handle is pivoted counterclockwise but the rotating unit does not rotate the collar clockwise when the handle is pivoted clockwise.Type: ApplicationFiled: January 25, 2017Publication date: June 28, 2018Inventor: PI-LIANG WU
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Patent number: 9897426Abstract: A measuring tool for disc brake device brake pad, which includes a base, a first tube, a second tube, a front rod, a measuring rod, and a spring, wherein the first tube is configured at the front end of the base, the first tube is perforated with a sighthole. The second tube is pivoted in the first tube, and a marking is formed on the exterior of the midsection of the second tube. The front rod is configured at the front end of the second tube, and a pivot hole axially penetrates the front end of the front rod. The measuring rod pivotal penetrates the front rod, the second tube, and the first tube. The rear end of the measuring rod is inserted into the center of the front end of the base. A contact pin extends in a curved sideward direction from the front end of the measuring rod, and the contact pin abut against the front end of a protruding portion. The spring is disposed in the interior of the second tube, and the two ends of the spring respectively abut against the front rod and the base.Type: GrantFiled: April 19, 2016Date of Patent: February 20, 2018Inventor: Pi-Liang Wu
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Publication number: 20170108323Abstract: A measuring tool for disc brake device brake pad, which includes a base, a first tube, a second tube, a front rod, a measuring rod, and a spring, wherein the first tube is configured at the front end of the base, the first tube is perforated with a sighthole. The second tube is pivoted in the first tube, and a marking is formed on the exterior of the midsection of the second tube. The front rod is configured at the front end of the second tube, and a pivot hole axially penetrates the front end of the front rod. The measuring rod pivotal penetrates the front rod, the second tube, and the first tube. The rear end of the measuring rod is inserted into the center of the front end of the base. A contact pin extends in a curved sideward direction from the front end of the measuring rod, and the contact pin abut against the front end of a protruding portion. The spring is disposed in the interior of the second tube, and the two ends of the spring respectively abut against the front rod and the base.Type: ApplicationFiled: April 19, 2016Publication date: April 20, 2017Inventor: PI-LIANG WU
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Patent number: 9259824Abstract: A mounting tool for an axle lock nut comprises a pole, an end of the pole is a knocking end and the other end is provided with a suppressing unit and a retaining unit, the retaining unit is in adjacent to a side of the suppressing unit and the retaining unit is protruded out of a tail end of the suppressing unit. The mounting tool is used to position the axle lock nut on an automobile axle and to increase the reliability of operation for mounting the axle lock nut on the automobile axle.Type: GrantFiled: August 26, 2013Date of Patent: February 16, 2016Inventor: Pi-Liang Wu
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Patent number: D914523Type: GrantFiled: August 2, 2019Date of Patent: March 30, 2021Inventor: Pi-Liang Wu
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Patent number: D948976Type: GrantFiled: September 25, 2019Date of Patent: April 19, 2022Inventor: Pi-Liang Wu
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Patent number: D974140Type: GrantFiled: March 23, 2021Date of Patent: January 3, 2023Inventor: Pi-Liang Wu