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公开(公告)号：US20210199182A1
公开(公告)日：2021-07-01
申请号：US16726893
申请日：2019-12-25
Applicant: Chin-Chin Chang
Inventor： Chin-Chin Chang
Abstract: A device for adjusting tautness of a belt of a motor of a table saw is provided with an adjustment screw, and a pivot. In response to unfastening the adjustment screw, the motor counterclockwise rotates about the pivot to tighten the belt until predetermined tautness is obtained. The adjustment screw fastens to keep the belt at the predetermined tautness. Alternatively, the motor clockwise rotates about the pivot to loosen the belt.
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公开(公告)号：US20210197299A1
公开(公告)日：2021-07-01
申请号：US16726894
申请日：2019-12-25
Applicant: Chin-Chin Chang
Inventor： Chin-Chin Chang
Abstract: A table saw includes a base assembly; a table assembly mounted on the base assembly and comprising a table and a circular saw blade; a rip fence assembly moveably disposed on one end of the table assembly; and a slide mechanism mounted on the table assembly and including front and rear tracks affixed to front end rear ends of the table respectively; front and rear slides each having one end secured to either end of the rip fence assembly and the other end being open wherein the front and rear slides are moveably mounted on the front and rear tracks respectively; and first, second, third, fourth, and fifth rollers disposed in each of the front and rear tracks. The first, second, fourth, and fifth rollers are at an elevation higher than that of the third roller.
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公开(公告)号：US20210170508A1
公开(公告)日：2021-06-10
申请号：US16708890
申请日：2019-12-10
Applicant: Chin-Chin Chang
Inventor： Chin-Chin Chang
IPC: B23D47/02
Abstract: A scale assembly of a table saw includes front and rear outer slide members disposed at front and rear ends of a slide mechanism respectively; front and rear inner slide members disposed at front and rear ends of a table assembly respectively wherein the front inner slide member slides in the front outer slide member, and the rear inner slide member slides in the rear outer slide member; a block member secured to a front end of a rip fence assembly and including a channel and a spring biased member; and a lever in the channel and including an exposed trigger, a projection, and first and second recesses. In a locked position, the spring biased member has one end entered the first recess and the projection enters a lengthwise cavity on an outer surface of the front outer slide member.
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公开(公告)号：US10758990B1
公开(公告)日：2020-09-01
申请号：US16435507
申请日：2019-06-09
Applicant: Chin-Chin Chang
Inventor： Chin-Chin Chang
Abstract: A scale assembly of a table saw includes a first positioning pin of white, a second positioning pin of black, and a third positioning pin of yellow disposed on the first slide strip of a slide mechanism; a first scale of white disposed on a top of the first slide strip; a second scale of black and a third scale of yellow disposed on a top of the first track respectively; a first pointer disposed on one end of the top of the first track and forwardly pointing to the first scale of white of the first slide strip; and a second pointer disposed on the other end of the top of the first slide strip and rearward pointing to both the second scale of black and the third scale. The scale is visible in a cutting operation.
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公开(公告)号：US10717205B1
公开(公告)日：2020-07-21
申请号：US16298417
申请日：2019-03-11
Applicant: Chin-Chin Chang
Inventor： Chin-Chin Chang
Abstract: A table saw includes a slide mechanism on a table assembly and including a knob, front and rear roller pinions, two slides slidably secured to front and rear ends of the table respectively, each slide having a bottom rack engaging the roller pinion, a groove on an outer surface, and projections projecting out of the groove, front and rear mounting members secured to the table, and an axle; and a rip fence assembly on either side of the table assembly and including front and rear arms each having a cavity for releasably securing to one projection, a rip fence between the arms, front and rear risers respectively for fastening either end of the rip fence and either one of the front and rear arms, and two levers on the arms respectively, each lever including an upper pivot, an intermediate urging protuberance, and a lower protrusion.
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Patent Agency Ranking
公开(公告)号：US20200180087A1
公开(公告)日：2020-06-11
申请号：US16435505
申请日：2019-06-09
Applicant: Chin-Chin Chang
Inventor： Chin-Chin Chang
Abstract: A fence assembly of a table saw includes rear and front sliding members on two rails of a table respectively, the rear sliding member having three top projections, the front sliding member having three forward projections, a transverse member interconnecting the sliding members, and a spring biased workpiece guide bar on the transverse member. The workpiece guide bar includes a front locking element for locking the front sliding member, a rear locking element for locking the rear sliding member, the rear locking element having a recess for receipt of the top projection, and a spring biased lever pivotably secured to a front end of the workpiece guide bar. A latch of the lever can be engaged with a protuberance of the front locking element to lock the front locking element or disengaged from the protuberance to unlock same. The lever includes a wedge for locking the front sliding member.
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公开(公告)号：US10322459B1
公开(公告)日：2019-06-18
申请号：US15927356
申请日：2018-03-21
Applicant: Chin-Chin Chang
Inventor： Chin-Chin Chang
Abstract: A power miter saw is provided with a base including positioning apertures; a table rotatably mounted on the base and including an arm projecting forward; a saw blade and motor mechanism configured to rotate a circular saw blade thereof; a pivotal positioning seat interconnecting two linear guide mechanisms and a support seat at a rear end of the base; a connecting seat interconnecting the linear guide mechanisms to the saw blade and motor mechanism; a locking device; and a positioning device. Knob rotation and button pressing may adjust a rotational position of the table.
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公开(公告)号：US20180257254A1
公开(公告)日：2018-09-13
申请号：US15455136
申请日：2017-03-10
Applicant: Chin-Chin Chang
Inventor： Chin-Chin Chang
CPC classification number: B27B27/10 , B23D47/025 , B27B27/02
Abstract: A table saw includes a table, a saw, a track, a slide strip, and a fence member. The table has an axial direction and a radial direction which are orthogonal to each other. The saw is arranged at a predetermined position of the table. The track is arranged at each side of the table. The slide strip is slidably engaged with the track. An outer surface of the slide strip opposite to the track has a first position part, a second position part, and a third position part. The first position part and the second position part are respectively arranged at two ends of the slide strip and the third position part is arranged at a center of the slide strip. The fence member is bridged on the table and secured to one of the first position part, the second position part, and the third position part.
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公开(公告)号：US09731432B1
公开(公告)日：2017-08-15
申请号：US15082521
申请日：2016-03-28
Applicant: Chin-Chin Chang
Inventor： Chin-Chin Chang
CPC classification number: B27B27/10 , B23D47/025 , B27B27/02
Abstract: A moveable rip fence of a table saw includes a housing including an elongated opening on a top, a seat secured to an underside of top of the housing, the seat having a lower through hole, and a stop member across two sides of the housing, a lever pivotably fastened in the elongated opening; a link pivotably interconnecting the lever and a spring biased rod, an inverted L-shaped limit member secured across two sides of the housing; a clamping member having a top secured by a support member and including an intermediate hole member and a projecting base member; and a locking member including a lower wedge member fastened on the base member, and a flexible inclined member on a top. The lever is flush with the top of the housing in a locked position. A pressing of a rear portion of the lever unlocks the rip fence.
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公开(公告)号：US09186736B1
公开(公告)日：2015-11-17
申请号：US14280615
申请日：2014-05-18
Applicant: Chin-Chin Chang
Inventor： Chin-Chin Chang
CPC classification number: B25H1/04 , B23D57/0092 , B27B5/10 , B27B5/222 , B62B1/22 , B62B2202/48
Abstract: A stand for a table saw including a table assembly and a base assembly secured under the table assembly is provided. The stand includes a leg and handle unit including two parallel leg elements, two handles at one ends of the leg elements respectively, two side rails each having one end connected to both the handle and the leg element, and a U-shaped support element at the other ends of the leg elements, vertical metal tubes each provided at an end of the side rail joining both the handle and the leg element, top of each metal tube is secured to a bottom of the table assembly; a U-shaped, tubular upper support pivotably secured to the side rail, the upper support including two opposite lateral projections; and a leg unit including two parallel leg members, and two wheels rotatably mounted at one ends of the leg members respectively.
Abstract translation: 提供了一种用于台锯的台架，其包括固定在工作台组件下方的工作台组件和底座组件。 支架包括一个腿部和手柄单元，它包括两个平行的腿部元件，两个腿部元件的一端分别是两个手柄，两个侧面导轨各自具有连接到手柄和腿部元件的一端，以及一个U形支撑元件 腿元件的另一端，每个设置在连接手柄和腿元件的侧轨的端部的垂直金属管，每个金属管的顶部固定到工作台组件的底部; U形的管状上支撑件可枢转地固定到所述侧轨，所述上支撑件包括两个相对的横向突起; 以及包括两个平行腿部构件的腿部单元和分别可旋转地安装在腿部构件一端的两个轮子。
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