Patents by Inventor Yi-Chen Chi
Yi-Chen Chi 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: 20230343751Abstract: An electronic package is provided, in which a first electronic element and at least one support member are disposed on a carrier structure, a spacer is disposed on the first electronic element, and a second electronic element is disposed on the at least one support member and the spacer, so as to prevent the second electronic element from tilting during a wire bonding process.Type: ApplicationFiled: June 21, 2022Publication date: October 26, 2023Applicant: SILICONWARE PRECISION INDUSTRIES CO., LTD.Inventors: Yu-Cheng Yeh, I-Hsin Lin, Shao-Hua Chen, Yi-Chen Chi, Wen-We Su, Kuo-Yi Chen
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Publication number: 20230230912Abstract: An electronic package is provided, which includes a substrate structure and an electronic element and a passive element disposed on the substrate structure, where a die placement area and a functional area separated from each other are defined on a surface of a substrate body of the substrate structure, so that a routing layer is arranged with linear conductive traces with a smaller width in the die placement area, and a sheet-shaped circuit with a larger width and electrically connected to the linear conductive traces is arranged in the functional area, so as to reduce a metal area on the surface of the substrate body, thereby avoiding the problem of warpage caused by stress concentration in the die placement area.Type: ApplicationFiled: December 8, 2022Publication date: July 20, 2023Applicant: SILICONWARE PRECISION INDUSTRIES CO., LTD.Inventors: Wan-Rou CHEN, Yi-Wen LIU, Hsiu-Jung LI, Yi-Chen CHI, Tsung-Li LIN
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Patent number: 6435726Abstract: A bicycle bottom bracket assembly includes an outer tube connected to a bicycle frame and a first inner threaded section and a second inner threaded section are respectively defined in an inner periphery of two ends of the outer tube. An inner tube is received in the outer tube and a first end of the inner tube has a first outer threaded section so as to be engaged with the first inner threaded sections. A flange extends from a second end of the inner tube so that a ball bearing is mounted to the flange. A roller bearing is engaged with an inner periphery of the first end of the inner tube. A positioning ring is engaged with the second inner threaded section of the outer tube. An axle extends through the roller bearing and the bearing.Type: GrantFiled: February 15, 2001Date of Patent: August 20, 2002Inventor: Yi-Chen Chi
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Publication number: 20020081052Abstract: A bicycle bottom bracket assembly includes an outer tube connected to a bicycle frame and a first inner threaded section and a second inner threaded section are respectively defined in an inner periphery of two ends of the outer tube. An inner tube is received in the outer tube and a first end of the inner tube has a first outer threaded section so as to be engaged with the first inner threaded sections. A flange extends from a second end of the inner tube so that a ball bearing is mounted to the flange. A roller bearing is engaged with an inner periphery of the first end of the inner tube. A positioning ring is engaged with the second inner threaded section of the outer tube. An axle extends through the roller bearing and the bearing.Type: ApplicationFiled: February 15, 2001Publication date: June 27, 2002Inventor: Yi-Chen Chi
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Patent number: 6231063Abstract: A head tube of a bicycle includes two enlarged ends each having a first groove defined at the inside thereof, and a steering bearing assembly includes a first race which is engaged with the first groove manually. The first race has a second groove so as to receive a bearing therein which is positioned by a retaining member and a pressing member. Each enlarged end of the head tube has a straight tubular portion and a shoulder is connected between the inside defining the second groove and the inside of the straight tubular portion of the enlarged end. A gap is defined between the inside of the straight tubular portion and the first race so that the first race is manually to be engaged with the first groove of the enlarged end.Type: GrantFiled: July 27, 1999Date of Patent: May 15, 2001Inventor: Yi-Chen Chi
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Patent number: 5927741Abstract: A cushion device includes two lugs extending from the seat post of the bicycle and two positioning members respectively extend through the two lugs. A connecting member is pivotally connected between the two lugs and has two cone-shaped recesses defined in the two ends thereof Each of the two positioning members has a cone-shaped end which is received in the corresponding cone-shaped recess. A pin extends through the two positioning members and the connecting member with two anti-thrust bearings mounted to the two positioning members. Two ring members are respectively connected to the two lugs and let the two bearings be located between the two ring members and the two positioning members.Type: GrantFiled: December 15, 1998Date of Patent: July 27, 1999Inventor: Yi-Chen Chi
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Patent number: 5924801Abstract: A bearing assembly for a bottom bracket which includes a sleeve through which an axle rotatably extends with two sets of bearing assembly disposed between the sleeve and the axle. Each bearing assembly has an annular cap which has a lip member extending radially and inwardly from an inner periphery thereof, and an annular race which is disposed between the annular cap and the lip member so as to rotatably receive balls between the annular cap and the annular race. A bushing is mounted to the axle and inserted between the axle and the annular race.Type: GrantFiled: March 4, 1998Date of Patent: July 20, 1999Inventor: Yi-Chen Chi
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Patent number: 5918895Abstract: A headset assembly includes a race mounted to a head tube and has a first groove defined in the inner periphery thereof, an annular flange extending inwardly and radially from the inner periphery of the race, a cap member mounted to the race and has a second groove defined in the outer periphery thereof, and an annular track connected to a periphery defining the second groove and having a third groove in the outer periphery thereof so as to hold a plurality of ball bearings between the first groove and the third groove. The annular flange is located above the annular track so as to retain the annular track in position. Accordingly, the outer periphery of the cap member does not need to be heat treated.Type: GrantFiled: May 28, 1998Date of Patent: July 6, 1999Inventor: Yi-Chen Chi
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Patent number: 5823556Abstract: A head set disposed at each one of two ends of a head tube of a bicycle includes a bowl member having a neck portion inserted into the head tube and a skirt portion with a first groove defined therein, a ring member force-fitted into said neck portion, a plurality of balls received in the first groove, an annular member having a second groove defined therein so that the balls are rotatably received between the first groove and the second groove, and a race member engaging with and positioning the annular member. The ring member has a first flange and the race member has a second flange which is overlappingly disposed with the first flange in a longitudinal direction of the head set.Type: GrantFiled: June 16, 1997Date of Patent: October 20, 1998Inventor: Yi-Chen Chi
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Patent number: 5800071Abstract: A journal for a head tube of a bicycle includes a lower race fitted on an upper end of the head tube through which a steerer tube extends, the lower race having a first annular recess defined therein for receiving a plurality of balls. An upper race is securely mounted on the steerer tube and an annular element is securely disposed between the balls and the lower race. The annular element has a skirt portion extending radially outwardly from an outer periphery thereof which extends above the lower race and a track portion formed on an inner periphery thereof for rotatably receiving the balls therein.Type: GrantFiled: December 5, 1996Date of Patent: September 1, 1998Inventor: Yi-Chen Chi
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Patent number: 5615585Abstract: An anti-tangle mechanism includes a first ring element with first tooth elements and a second ring element with second tooth elements which engage with the first tooth elements, a plurality of balls disposed to a top of the first element and an under side of the second ring element, a cap having a first tubular portion for the first ring element mounted thereto and a first flange in which a first groove is defined for receiving the balls of the first ring element, a base having a second tubular portion for the second ring element mounted thereto and a second flange in which a second groove is defined for receiving the balls of the second ring element, the first ring element having a first fixing element extending laterally therefrom for a rear brake cable sheath engaged thereto and the second ring element having a second fixing element extending therefrom for fixedly engaging a distal end of the rear brake cable, an active cable having one end extending through the second tubular portion and being fixed to thType: GrantFiled: November 28, 1995Date of Patent: April 1, 1997Inventor: Yi Chen Chi
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Patent number: 5605075Abstract: An anti-deforming device for a steerer tube includes a tubular element, a first element, a second element, a driving element and a cap, the tubular element having two ends each of which has a tapered periphery for respectively engagement with a corresponding tapered skirt of the first element and the second element, the tubular element having a plurality of slits defined therein and having a plurality of protrusions and flanges extending outwardly from a periphery thereof, the driving element having a threaded rod passing through a plane hole defined in the second element and threadedly engaged to a threaded hole defined in the first element to force the protrusions and flanges to contact against an inner periphery of the steerer tube and the cap mounted to a top of the steerer tube by passing a bolt through a hole defined in the cap and threadedly engaged to the threaded hole of the first element.Type: GrantFiled: May 31, 1995Date of Patent: February 25, 1997Inventor: Yi-Chen Chi
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Patent number: 5573262Abstract: A steering bearing assembly for a wheeled vehicle, which includes a steerer tube rotatably passing through a head tube of the wheeled vehicle by disposing an upper and a lower steering bearing assemblies therebetween, the assembly has an upper race and a lower race and a plurality of balls rotatably received therebetween. A washer and an absorbing element are disposed between the upper race and the steerer tube. A force exerting element exerts a downward force on the washer to set the upper race in position.Type: GrantFiled: August 16, 1994Date of Patent: November 12, 1996Inventor: Yi Chen Chi
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Patent number: 5405202Abstract: A headset for a bicycle includes an upper bearing assembly and a lower bearing assembly between which is disposed a head tube and a steerer tube is inserted through head tube and rotatably engaged between the two assemblies. The upper bearing assembly has a bearing with a plurality of rollers each roller is disposed in an inclined fashion by 10-20 degrees regarding to a vertical line of said assembly.Type: GrantFiled: June 21, 1994Date of Patent: April 11, 1995Inventor: Yi Chen Chi
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Patent number: 5331864Abstract: A bicycle headset includes a head tube engaged on a steerer tube, a lower bowl engaged in an upper portion of the head tube, a bearing engaged on the lower bowl, a sleeve engaged on the steerer tube, an upper bowl engaged on the bearing and engaged on the sleeve. A ring extends through the sleeve and couples the upper bowl and the steerer tube together such that the upper bowl and the sleeve and the steerer tube rotate in concert. A tapered surface is formed in the sleeve and the upper bowl so that the sleeve is forced radially inward by the upper bowl.Type: GrantFiled: October 16, 1992Date of Patent: July 26, 1994Inventor: Yi-Chen Chi
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Patent number: 5303611Abstract: An upper steering assembly for a bicycle includes a head tube, a steerer tube passing through the head tube, a bearing assembly mounted on a top of the head tube and around the steerer tube, a rotational socket having a threaded inner periphery and including an upper clamping portion and a lower skirt portion which has an annular groove in an underside thereof for retaining the bearing assembly, and a compression socket mounted around the steerer tube and having a longitudinal slit and including an upper clamping section and a lower tubular section which is in threading connection with the inner periphery of the rotational socket allowing an adjustment of vertical position of the rotational socket relative to the compression socket.Type: GrantFiled: September 2, 1993Date of Patent: April 19, 1994Inventor: Yi-Chen Chi
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Patent number: 5286118Abstract: A journal including a cap engaged on a head tube of the bicycle, a bowl rotatably engaged on the cap, a nut engaged on the bowl, a sleeve extended downward from the nut and an annular notch formed in the lower portion of the nut, two elastomeric rings engaged in the annular notch of the nut, one of the rings engaged between the nut and the bowl, and the other ring engaged between the sleeve and the bowl in order to absorb shocks and vibrations transmitted to the journal.Type: GrantFiled: June 4, 1992Date of Patent: February 15, 1994Inventor: Yi Chen Chi
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Patent number: 5267485Abstract: An upper bearing assembly for a bicycle steerer tube which generally includes a lower race, a ball bearing integral with an upper race and mounted in the lower race, a watertight cover mounted above the ball bearing, a compression nut mounted above the watertight cover, a compression washer mounted around a top portion of a substantially inverted T-shaped cutout of the compression nut, a compression cap mounted above the compression washer and having a skirt portion surrounding the compression washer. The compression washer includes a thinner portion and a thicker portion which has a substantially V-shaped groove formed in an outer periphery thereof. The skirt portion of the compression cap has a threaded hole extending obliquely therein in which a compression bolt locates. The oblique threaded hole aligns with the V-shaped groove in the compression washer.Type: GrantFiled: May 7, 1993Date of Patent: December 7, 1993Inventor: Yi-Chen Chi
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Patent number: 5246297Abstract: A journal for a frame fork of a bicycle including a sleeve engaged on the frame fork and including a bearing engaged in the upper portion and the lower portion, and a member threadedly engaged on the upper end of the frame fork and pressing against one of the bearings, whereby the frame fork is rotatably and stably supported in the sleeve.Type: GrantFiled: April 2, 1992Date of Patent: September 21, 1993Inventor: Yi-Chen Chi
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Patent number: 5246296Abstract: A journal includes a lower cap engaged on a head tube, a bearing engaged on the lower cap, a ring engaged on the bearing and having a tapered surface formed in an inner peripheral portion, a upper cap having an annular groove formed in the lower portion, a tapered surface formed in the annular groove of the upper cap and engaged with the tapered surface of the ring. The upper cap applies a downward and radially outward force against the ring when the upper cap moves toward the lower cap such that lower cap, the bearing, the ring and the upper cap can be stably retained in place.Type: GrantFiled: February 9, 1993Date of Patent: September 21, 1993Inventor: Yi-Chen Chi