Patents Assigned to K & W Tools Co., Ltd.
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Patent number: 10953480Abstract: This invention relates to a saw blade quick release mechanism for sawing tool and a sawing tool using same, the mechanism comprising a saw blade mount, a rotary cover rotatable on the saw blade mount, a resilient member holding the rotary cover in position, and a positioning component having a positioning member on either of the saw blade mount and the rotary cover and a positioning slot on the other one thereof whereby in case of the rotary cover positioned, the positioning member is at the positioning end of the positioning slot, and the saw blade cannot be disassembled then, while in case of the rotary cover disassembled, the positioning member is at a release end thereof, and the saw blade can be disassembled then.Type: GrantFiled: May 24, 2019Date of Patent: March 23, 2021Assignee: K&W TOOLS CO., LTD.Inventor: Kung-Jung Ho
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Publication number: 20190358720Abstract: This invention relates to a saw blade quick release mechanism for sawing tool and a sawing tool using same, the mechanism comprising a saw blade mount, a rotary cover rotatable on the saw blade mount, a resilient member holding the rotary cover in position, and a positioning component having a positioning member on either of the saw blade mount and the rotary cover and a positioning slot on the other one thereof whereby in case of the rotary cover positioned, the positioning member is at the positioning end of the positioning slot, and the saw blade cannot be disassembled then, while in case of the rotary cover disassembled, the positioning member is at a release end thereof, and the saw blade can be disassembled then.Type: ApplicationFiled: May 24, 2019Publication date: November 28, 2019Applicant: K&W TOOLS CO., LTD.Inventor: KUNG-JUNG HO
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Patent number: 9962824Abstract: A grip structure includes a grip base and a grip mounted with or dismounted from the grip base along a first direction. When being disposed on the grip base, the grip can be applied with an external force to move together with the grip base along a second direction non-parallel to the first direction. The grip has a finger abutting portion formed on the circumferential surface of the grip along the first direction for the fingers of the user to be abutted thereon. Therefore, the grip is changeable in the direction relative to the grip base according to the dominant hand of the user in a way that the finger abutting portion is toward the left side of the grip base for the right-handed user and toward the right side of the grip base for the left-handed user, thereby improved in the convenience of usage and hand feel.Type: GrantFiled: April 6, 2017Date of Patent: May 8, 2018Assignee: K&W TOOLS CO., LTD.Inventors: Kuan-Ting Chien, Kung-Jung Ho
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Patent number: 9579733Abstract: A hole saw includes a circular saw blade and a cover plate. The circular saw blade is made by rounding a lengthwise rectangular metal sheet and connecting two ends thereof to define therein an accommodating space. The circular saw blade has one edge provided with a plurality of sawteeth and an opposite edge provided with a connecting portion. The cover plate covers the connecting portion of the circular saw blade and has a base, a positioning portion and a shoulder. The positioning portion extends from the base toward the connecting portion. The shoulder is formed between the base and the positioning portion. Thereby, the hole saw has advantages about low manufacturing costs and short production cycle. Besides, since the shoulder increases contacting area between the circular saw blade and the cover plate, the structural firmness of the soldered hole saw is improved.Type: GrantFiled: January 5, 2015Date of Patent: February 28, 2017Assignee: K&W TOOLS CO., LTD.Inventor: Ting-Lu Yu
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Patent number: 9403267Abstract: A telescopic pipe structure for a pole saw includes an inner pipe, an outer pipe fitted to the inner pipe and moving relative to the inner pipe, and an adjusting device. The adjusting device includes a body, a pressing unit, and an adjusting unit. The outer pipe is penetratingly disposed at a sleeve hole of the body. The pressing unit is pivotally disposed a pressing portion of the body to press against inner pipe and stop movement of the inner pipe. The adjusting unit is disposed at a positioning portion of the body and has a driving element and a positioning element driven by the driving element. The driving element can be at first and second positions, and thus the positioning element moves in one and another directions of the sleeve hole, so as to enable and disable the positioning of the outer and inner pipes, respectively.Type: GrantFiled: September 12, 2014Date of Patent: August 2, 2016Assignee: K&W TOOLS CO., LTD.Inventor: Kung-Jung Ho
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Patent number: 8079148Abstract: A folding hand saw includes a first housing, a transmission unit disposed in the first housing, a second housing having a third pivotal end pivotally connected with a second pivotal end of the first housing and connected with the transmission unit, and a saw blade having a forth pivotal end pivotally connected with a first pivotal end of the first housing and connected with the transmission unit such that the saw blade is pivotable between a folded position where the saw blade is inserted into a first insertion groove of the first housing and a second insertion groove of the second housing, and an unfolded position where the saw blade leaves the first insertion groove and the second insertion groove. As a result, the folding hand saw of the present invention can prevent the saw blade from hurting a user or other people.Type: GrantFiled: October 16, 2008Date of Patent: December 20, 2011Assignee: K & W Tools Co., Ltd.Inventor: Walley Chao
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Patent number: 8079787Abstract: A hole saw includes an arbor, a saw blade assembly having a saw blade and an adapter connected with the saw blade and provided with a protrusion received in an indentation of the arbor, a lid movably mounted on a body portion of the arbor and movable relative to the arbor between a first position where second coupling portions of the adapter are blocked by a block portion of the lid and coupled to first coupling portions of the arbor such that the saw blade assembly can't be rotatable relative to the arbor, and a second position where the second coupling portions of the adapter are staggered with the block portion and uncoupled from the first coupling portions of the arbor through the rotation of the saw blade assembly. Thus, the hole saw has the advantages of reducing vibration in use and convenience in assembly and disassembly works.Type: GrantFiled: September 11, 2008Date of Patent: December 20, 2011Assignee: K & W Tools Co., Ltd.Inventor: Walley Chao
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Publication number: 20100058597Abstract: A saw blade guard unit is used in cooperation with a handsaw having a saw blade and a handle connected with the saw blade. The saw blade guard unit includes a flexible strip and a holder. The flexible strip has a head end, a tail end for positioning to a front portion of the saw blade of the handsaw, and a body between the head end and the tail end for guarding teeth of the saw blade of the handsaw. The holder is adapted for mounting to the handle of the handsaw.Type: ApplicationFiled: July 9, 2009Publication date: March 11, 2010Applicant: K&W Tools, Co., Ltd.Inventors: Aldous CHAO, David Wang, Sammy Chan
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Publication number: 20090288302Abstract: A folding hand saw includes a first housing, a transmission unit disposed in the first housing, a second housing having a third pivotal end pivotally connected with a second pivotal end of the first housing and connected with the transmission unit, and a saw blade having a forth pivotal end pivotally connected with a first pivotal end of the first housing and connected with the transmission unit such that the saw blade is pivotable between a folded position where the saw blade is inserted into a first insertion groove of the first housing and a second insertion groove of the second housing, and an unfolded position where the saw blade leaves the first insertion groove and the second insertion groove. As a result, the folding hand saw of the present invention can prevent the saw blade from hurting a user or other people.Type: ApplicationFiled: October 16, 2008Publication date: November 26, 2009Applicant: K&W TOOLS CO., LTDInventor: Walley CHAO
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Publication number: 20090265944Abstract: A saw bow for a handsaw includes a saw bow body, a movable member movably mounted in a bottom of a handle of the saw bow body and movable relative to the handle along a longitudinal direction of the saw bow body, a bottom cover having a first pivotal portion pivotally connected with the handle of the saw bow body and a second pivotal portion, and a length-adjustable member having two ends respectively pivotally connected with a pivotal end of the movable member and the second pivotal portion of the bottom cover. As a result, the saw bow of the present invention can provide a congruous appearance and occupy less storage space.Type: ApplicationFiled: October 15, 2008Publication date: October 29, 2009Applicant: K &W TOOLS CO., LTDInventor: Walley CHAO
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Publication number: 20090214310Abstract: A hole saw includes an arbor, a saw blade assembly having a saw blade and an adapter connected with the saw blade and provided with a protrusion received in an indentation of the arbor, a lid movably mounted on a body portion of the arbor and movable relative to the arbor between a first position where second coupling portions of the adapter are blocked by a block portion of the lid and coupled to first coupling portions of the arbor such that the saw blade assembly can't be rotatable relative to the arbor, and a second position where the second coupling portions of the adapter are staggered with the block portion and uncoupled from the first coupling portions of the arbor through the rotation of the saw blade assembly. Thus, the hole saw has the advantages of reducing vibration in use and convenience in assembly and disassembly works.Type: ApplicationFiled: September 11, 2008Publication date: August 27, 2009Applicant: K & W Tools Co., LTDInventor: Walley CHAO
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Patent number: D769463Type: GrantFiled: January 6, 2015Date of Patent: October 18, 2016Assignee: K&W TOOLS CO., LTD.Inventor: Kung-Jung Ho