Patents by Inventor Ching-Hua Lai
Ching-Hua Lai 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: 11767151Abstract: An inner buckling type tool box includes a first housing, a second housing, a locking member, a pushing member, and an elastic member. An inner wall of the first housing is provided with an accommodating portion to accommodate a locking member and a pushing member located between the inner wall and the locking member. The pushing member enables to slide vertically relative to the inner wall to drive the locking member to slide in a direction parallel to the inner wall, so that the locking member is selectively to be engaged with or disengaged form the second housing. Through a change in the moving direction, the occupation of deep space can be reduced greatly to maintain the capacity of the tool box.Type: GrantFiled: December 12, 2022Date of Patent: September 26, 2023Assignee: KING TONY TOOLS CO., LTD.Inventor: Ching-Hua Lai
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Publication number: 20230202021Abstract: A telescopic hand tool has an inner rod and an outer tube slidable relative to the inner rod. The inner rod is formed with at least one rack gear. The outer tube is formed with a positioning hole. A positioning member is provided in the positioning hole. The positioning member has at least one toothed portion. A control sleeve is slidably fitted on the outer tube. The control sleeve selectively presses the positioning member to make the toothed portion engaged with the at least one rack gear, or selectively releases the positioning member to make the inner rod and the outer tube slidable with each other so that the toothed portion is disengaged from the at least one rack gear and selects a desired meshing point with the at least one rack gear in response to the adjustment. Thus, the length of the telescopic hand tool is adjustable in a stepless manner.Type: ApplicationFiled: March 8, 2022Publication date: June 29, 2023Inventor: Ching-Hua Lai
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Publication number: 20230202726Abstract: An inner buckling type tool box includes a first housing, a second housing, a locking member, a pushing member, and an elastic member. An inner wall of the first housing is provided with an accommodating portion to accommodate a locking member and a pushing member located between the inner wall and the locking member. The pushing member enables to slide vertically relative to the inner wall to drive the locking member to slide in a direction parallel to the inner wall, so that the locking member is selectively to be engaged with or disengaged form the second housing. Through a change in the moving direction, the occupation of deep space can be reduced greatly to maintain the capacity of the tool box.Type: ApplicationFiled: December 12, 2022Publication date: June 29, 2023Inventor: Ching-Hua LAI
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Patent number: 11685038Abstract: A tool box includes a first housing and a second housing that can be opened and closed relative to the first housing. A first receiving seat and a second receiving seat are rotatably connected in the second housing for receiving a plurality of screwdriver bits. When the tool box is closed, the first receiving seat and the second receiving seat are turned in opposite directions to be accommodated in the second housing, and the bits received in the first receiving seat and the bits received in the second receiving seat are partially overlapped.Type: GrantFiled: December 3, 2021Date of Patent: June 27, 2023Assignee: KING TONY TOOLS CO., LTD.Inventor: Ching-Hua Lai
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Patent number: 11565385Abstract: A ratchet tool comprises a base, a ratchet body, a switching member and a pawl member. The base has a rail and is movable with linear motion along the rail between a first position and a second position, the ratchet body has plural teeth, and the pawl member is engaged with the switching member and comprises plural ratchet teeth, a first abutting portion and a second abutting portion. When the switching member is movable to the first position, the pawl member is pivotally rotated to a third position to make the ratchet teeth mesh with the teeth and the first abutting portion abut against the base, therefore the ratchet body enables to rotate along a first rotation direction. When the switching member is movable to the second position, the pawl member is pivotally rotated to a fourth position to make the ratchet teeth mesh with the teeth and the second abutting portion abut against the base, therefore the ratchet body enables to rotate along a second rotation direction.Type: GrantFiled: August 5, 2020Date of Patent: January 31, 2023Assignee: KING TONY TOOLS CO., LTD.Inventor: Ching-Hua Lai
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Publication number: 20220176541Abstract: A tool box includes a first housing and a second housing that can be opened and closed relative to the first housing. A first receiving seat and a second receiving seat are rotatably connected in the second housing for receiving a plurality of screwdriver bits. When the tool box is closed, the first receiving seat and the second receiving seat are turned in opposite directions to be accommodated in the second housing, and the bits received in the first receiving seat and the bits received in the second receiving seat are partially overlapped.Type: ApplicationFiled: December 3, 2021Publication date: June 9, 2022Inventor: Ching-Hua Lai
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Publication number: 20210362302Abstract: A ratchet tool comprises a base, a ratchet body, a switching member and a pawl member. The base has a rail and is movable with linear motion along the rail between a first position and a second position, the ratchet body has plural teeth, and the pawl member is engaged with the switching member and comprises plural ratchet teeth, a first abutting portion and a second abutting portion. When the switching member is movable to the first position, the pawl member is pivotally rotated to a third position to make the ratchet teeth mesh with the teeth and the first abutting portion abut against the base, therefore the ratchet body enables to rotate along a first rotation direction. When the switching member is movable to the second position, the pawl member is pivotally rotated to a fourth position to make the ratchet teeth mesh with the teeth and the second abutting portion abut against the base, therefore the ratchet body enables to rotate along a second rotation direction.Type: ApplicationFiled: August 5, 2020Publication date: November 25, 2021Applicant: KING TONY TOOLS CO., LTD.Inventor: CHING-HUA LAI
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Publication number: 20210354273Abstract: A ratchet wrench capable of quickly mounting and dismounting a bit includes a wrench body and a ratchet wheel rotatably disposed in the wrench body. One side of the ratchet wheel is formed with a slide trough. An end cap is slidably disposed in the slide trough. Another side of the ratchet wheel is formed with a polygonal hole communicating with the slide trough. When a bit is inserted in the polygonal hole, the bit can be quickly positioned by block of the end cap. When the bit is about to be taken out, the bit can be pushed out of the polygonal hole via pressing the end cap, so that the bit can be taken out quickly.Type: ApplicationFiled: June 20, 2020Publication date: November 18, 2021Inventor: Ching-Hua Lai
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Patent number: 9899260Abstract: A method of fabricating a semiconductor device. A wafer having a front side and a back side opposite to the front side is prepared. A plurality of through substrate vias (TSVs) is formed on the front side. A redistribution layer (RDL) is then formed on the TSVs. The wafer is bonded to a carrier. A wafer back side grinding process is performed to thin the wafer on the back side. An anneal process is performed to recrystallize the TSVs. A chemical-mechanical polishing (CMP) process is performed to polish the back side.Type: GrantFiled: January 21, 2016Date of Patent: February 20, 2018Assignee: Micron Technology, Inc.Inventors: Ching-Hua Lai, Chien-Hung Shih, Ting-Chung Chiu
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Publication number: 20170213764Abstract: A method of fabricating a semiconductor device. A wafer having a front side and a back side opposite to the front side is prepared. A plurality of through substrate vias (TSVs) is formed on the front side. A redistribution layer (RDL) is then formed on the TSVs. The wafer is bonded to a carrier. A wafer back side grinding process is performed to thin the wafer on the back side. An anneal process is performed to re-crystallize the TSVs. A chemical mechanical polishing (CMP) process is performed to polish the back side.Type: ApplicationFiled: January 21, 2016Publication date: July 27, 2017Inventors: Ching-Hua Lai, Chien-Hung Shih, Ting-Chung Chiu
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Patent number: 7047849Abstract: A wrench includes a pipe, a lever, a first wedge, a second wedge, an elastic element, a counter and a sensor. The lever includes a portion put in and pivotally connected with the pipe. The first wedge is attached to the portion of the lever. The second wedge is in contact with the first wedge. The elastic element biases the second wedge against the first wedge. The counter is installed on the pipe. The sensor signals the counter every time it senses movement of the first wedge past the second wedge.Type: GrantFiled: January 22, 2004Date of Patent: May 23, 2006Assignee: King Tony Tools Co., Ltd.Inventor: Ching-Hua Lai
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Publication number: 20050160885Abstract: A wrench includes a pipe, a lever, a first wedge, a second wedge, an elastic element, a counter and a sensor. The lever includes a portion put in and pivotally connected with the pipe. The first wedge is attached to the portion of the lever. The second wedge is in contact with the first wedge. The elastic element is for biasing the second wedge against the first wedge. The counter is installed on the pipe. The sensor signals the counter every time it senses movement of the first wedge past the second wedge.Type: ApplicationFiled: January 22, 2004Publication date: July 28, 2005Inventor: Ching-Hua Lai