Patents Represented by Attorney, Agent or Law Firm Alfred Lei
  • Patent number: 5675986
    Abstract: An air-conditioning fan including a stand, a compressor mounted within the stand, a motor arranged on an upper end of the stand, an impeller fixedly mounted on an output axle of the motor, an evaporator sleeved over the motor, and a condensing case provided with a condenser, an exhaust fan mounted in front of the condenser, and a plurality of air inlets, the condenser being connected with the compressor and the evaporator.
    Type: Grant
    Filed: October 24, 1995
    Date of Patent: October 14, 1997
    Inventor: Tze-Li Chen
  • Patent number: 5673773
    Abstract: A drum brake for bicycles including a cylindrical hub having a flange at both sides and a circular recess at an end thereof, a screw rod extending through the hub and supported by a bearing arranged within the hub, brake means including a rotor and three brake blocks fitted on the screw rod and installed with the circular recess, a positioning plate provided with three guide rods adapted to be slidably engaged with respective hole of the brake blocks, an arm having a square opening receiving the square portion, a torsion spring bearing against the arm, and a cover fixedly mounted on the positioning plate, whereby the bicycle can be effectively reduced in speed or stopped in motion.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: October 7, 1997
    Assignee: Valisum Industries Ltd.
    Inventor: I-Tai Lai
  • Patent number: 5671831
    Abstract: An adjustable travel bag which includes a main bag body having a front open side and an endless, strap-like folding collapsible coupling panel around the front open side, and an auxiliary bag body openably fastened to the coupling panel of the main bag body by a main zipper to close/open the front open side of the main bag body, wherein the coupling panel of the main bag body has two rows of interlocking teeth fixedly mounted along two opposite side edges thereof and unfastenably fastened together by a slide to secure the coupling panel in a folded up condition to minimize the holding space of the main bag body.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: September 30, 1997
    Inventor: Tai-Yung Chiu
  • Patent number: 5669289
    Abstract: A strainer assembly including a base formed at a central portion thereof with a rectangular projection having a cylindrical upper portion with external threads, the base having a plurality of holes, a cylindrical filter arranged on the base and having an open top, the cylindrical filter having an inner bottom formed with a plurality of protuberances around a periphery thereof and an outer bottom formed with a plurality of downwardly depending projections adapted to fit into the holes of the base, a circular cutter having a rectangular opening at a central portion thereof adapted to engage with the rectangular projection of the base and a plurality of recesses adapted to engage with the protuberances of the cylindrical filter, and a cap threadedly engaged with the external threads of the base.
    Type: Grant
    Filed: December 30, 1996
    Date of Patent: September 23, 1997
    Inventor: Tse-Hsiung Chen
  • Patent number: 5669292
    Abstract: A juicer including a main body formed with a cylindrical recess having an open top, a dreg outlet extending the main body and being communication with the cylindrical recess, an electric motor arranged within the main body and and provided with an output axle extending upwardly out of the main body, a cylindrical filer disposed within the main body and driven by the output axle of the motor, a lid adapted to engage with the top of the main body, and a dreg displacing tool arranged in the lid, the characterized in that the lid is formed with a first tubular portion, a second tubular portion, an annular cavity between the first and second tubular portions, the second tubular portion having an upper end formed with two opposite protuberances at an inner side of said upper end, a cap mounted on the first tubular portion, a spring fitted within the annular cavity with an upper end of the spring bearing against the cap, the dreg displacing tool including an axle, a scraper extending from the axle and located an ang
    Type: Grant
    Filed: December 24, 1996
    Date of Patent: September 23, 1997
    Inventor: Tse-Hsiung Chen
  • Patent number: 5667109
    Abstract: A milk powder container including a cylindrical bottle formed with threads at a lower end and a threaded neck at an upper portion, the cylindrical bottle having a top end formed with a semi-circular opening and a first semi-circular groove under the top end, a bottom cover threadedly engaged with a bottom of the cylindrical bottle, a control knob having a second semi-circular opening, a protuberance at a bottom adapted to the first semi-circular groove, and a lug at an outer side, an adjusting annular member formed with threads at an inner surface adapted to engage the threaded neck of the cylindrical bottle, a first groove at an upper portion of the inner surface, and a second groove at an outer surface, a retainer ring engaged with the second groove of the adjusting annular member, a cup formed at a lower edge with a flange adapted to fit into the first groove of the adjusting annular member, a longitudinal ear at an outer side with a corresponding slot at an opposite side adapted to receive the lug of said
    Type: Grant
    Filed: January 31, 1995
    Date of Patent: September 16, 1997
    Inventor: Tien Lin Yu-Mei
  • Patent number: 5668348
    Abstract: The present invention is to provide a dissipator mounting apparatus having a metal plate and a metal snap ring, where the two sides of the metal plate stretch upward and form an elastic tilt angle, and on one end of the metal plate bends downward and forms an opening to be firmly received in the barb of the ZIF socket, while the other end of the metal plate forms another hole for holding the snap ring whose rods stretch horizontally inward from the gap. Thus the CPU and the dissipator board can be tightly combined together with the help of the mounting apparatus.
    Type: Grant
    Filed: October 2, 1995
    Date of Patent: September 16, 1997
    Inventor: Chun-Sheng Lin
  • Patent number: 5667482
    Abstract: A sole massaging device including a housing having a base and a cover adapted to be mounted on the base, a driving mechanism including a motor, a driving gear, two brackets, a chain, a driven gear and an axle, a plurality of leaves fastened on the axle and each of the leaves being distant from an adjacent one of the leaves by an angle of 45 degrees, and a rectangular fabric covered on the leaves and having four corners fastened on the base, whereby the device can effectively knead the sole of an user.
    Type: Grant
    Filed: December 13, 1995
    Date of Patent: September 16, 1997
    Inventor: Tien Tai Cheng
  • Patent number: 5667278
    Abstract: A combinational chair, recliner and typing stool including a base frame, a seat fixedly mounted on a fixed panel, a first linking member, a second linking member, a first adjusting rod, a fixing member fixedly mounted on a fixed panel, a supporting rod having an intermediate portion pivotally connected with the fixing member, a backrest rigidly mounted on an upper end of the supporting rod, a knee support fixedly mounted on a pair of fixed members, a first connecting member, a second connecting member, a first adjusting rod having an end pivotally connected with a lower end of the supporting rod and another end pivotally connected with the fixing member, a second adjusting rod having a lower end pivotally connected with the base frame and an upper end pivotally connected with the first linking member, and a third adjusting rod having a lower end pivotally connected with the base frame and an upper end pivotally connected with the first connecting member, whereby the chair can be easily converted into a reclin
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: September 16, 1997
    Inventor: Chun Hsien Li
  • Patent number: 5664814
    Abstract: A portable lock for preventing a door from being opened from the outside. The portable lock has a body formed from two symmetric covers with two spring-biased pivoting handles and a slidable adjustment rod protruding from the assembled body. The adjustment rod has a plurality of holes along its length and an engagement member at an outer end. The engagement member is adapted to engage the strike of a door jamb. The length of the rod is adjusted so as to position the body of the portable door lock firmly against an inner side of the door and jamb. The handles are operated by a user to adjust the length of, and to lockingly engage the adjustment rod with protuberances provided at an inner end of the handles. The portable door lock can be adjusted to different door thicknesses. The handles can be additionally secured against pivoting by the insertion of a U-shaped member into the body of the portable lock.
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: September 9, 1997
    Inventor: Wuchin Lin
  • Patent number: 5662441
    Abstract: A small scale milling machine including a machine base having an upright rotary wheel, a rotary column sleeve fixedly secured to the rotary wheel, a retractable support fixedly secured to the inside of the rotary column sleeve to hold a vertical mounting frame outside the rotary column sleeve, a machine head suspended from the bottom end of the vertical mounting frame and connected to the rotary column sleeve by a dovetail joint and moved vertically along a longitudinal rack on the rotary column sleeve, the rotary column sleeve having a longitudinal track at one lateral side, two stop blocks adjustably fixed to the longitudinal track at different elevations to limit the vertical moving distance of the machine head, and a scale at the front side along the longitudinal track for measuring the vertical moving distance of the machine head.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: September 2, 1997
    Inventor: Ching Chih Wang
  • Patent number: 5662427
    Abstract: A universal wiper arm connector includes a generally inverted U-shaped outer seat having a central threaded hole at a top thereof and two downwardly depending arms each having an inwardly extending toothed portion. A generally inverted M-shaped inner seat is adapted to fit into the outer seat and has a recessed portion with a curved bottom and two downwardly depending arms formed at a lower edge with teeth adapted to engage with the toothed portion of the outer seat. A locking bolt having external threads is engageable with the threaded hole of the outer seat, whereby the connector can be engaged with wiper arms of different sizes.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: September 2, 1997
    Inventor: Liang-Yuan Chen
  • Patent number: 5662405
    Abstract: A pedal for a bicycle including a body portion formed with a plurality of recesses on a circumference thereof, the body portion being formed with an opening at a central portion thereof, a plurality of light-emitting diodes fitted in respective recesses of the body portion, an axle fitted in the opening, a pair of solenoids installed in the body portion and located at opposite sides of the opening, and a pair of permanent magnets mounted on opposite sides of the axle and disposed between the two solenoids, whereby the pedal will emit light when the bicycle is propelled by the pedal.
    Type: Grant
    Filed: February 15, 1996
    Date of Patent: September 2, 1997
    Inventor: Pao-Hsiu Kuo
  • Patent number: 5662057
    Abstract: A connecting device for connecting a cloth pulling arrangement to a sewing machine including first connecting member having first, second and third connecting portions, a second connecting member mounted on an arm of a sewing machine, an adjustable frame including a first rail and a second rail which are slidably engaged with the third connecting portion of the first connecting member, a first fixing member for fixedly mounting the first connecting portion of the first connecting member to a back of a housing of the sewing machine using one of existing holes of the housing, a second fixing member for fixedly mounting the first connecting portion of the first connecting member to the back of the housing using another of the existing holes, means for installing a governor to the second connecting portion of the first connecting member, and means for mounting the cloth pulling arrangement and a solenoid actuator means to the second connecting member.
    Type: Grant
    Filed: April 23, 1996
    Date of Patent: September 2, 1997
    Inventor: Shueh Chung Leu
  • Patent number: 5655382
    Abstract: A weather, dust, and impact protective shielding device which includes a flexible shielding plate made of flat, rectangular shape having a plurality of mounting holes for fastening to respective screw holes on the top or bottom side of an air conditioner by screws, four corner notches in the four corners thereof, and four tracks at four sides between each two corner notches, the tracks being bendable so that they can be bent inwards and covered over a part of the periphery of the air conditioner when the flexible shielding plate is fixed; and four sealing blocks for fastening to the shield plate to seal up the corner notches respectively.
    Type: Grant
    Filed: February 7, 1996
    Date of Patent: August 12, 1997
    Inventor: Tze Li Chen
  • Patent number: 5655887
    Abstract: An air compressor including a cylinder, a motor, a reciprocating mechanism coupled to the motor, a compression mechanism reciprocated in the cylinder by the reciprocating mechanism to compress air, the compression mechanism including a base having a coupling bolt, a compressible conical piston holder and a compressible conical piston mounted around the coupling bolt of the base, wherein the coupling bolt of the base is inserted through the center holes of the compressible conical piston holder and compressible conical piston, having a head stopped above the compressible conical piston holder and the compressible conical piston, and a retainer rod raised from the head; a valve flap is slidably mounted around the retainer rod which opens the air passage through the compression mechanism during its down stroke, and close the air passage during its upstroke; a cap is mounted on the retainer rod to limit upward movement of the valve flap relative to the retainer rod.
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: August 12, 1997
    Inventor: Wen-San Chou
  • Patent number: 5655998
    Abstract: A space walking exerciser including two swinging frames hung on a stand and equipped with a respective foot plate, two damping devices adapted for imparting a damping resistance to the swinging frames, and two swinging angle control devices bilaterally fixed to the stand and respectively coupled to the damping devices to limit the swinging angle of the swinging frames, each swinging angle control device including a sector plate fixed to the stand and having two stop plates and a smoothly arched bearing plate between the stop plates, a guide rod fixed to one swinging frame, and a roller mounted around the guide rod and moved with the corresponding swinging frame along the bearing plate between the stop flanges of the corresponding sector plate.
    Type: Grant
    Filed: December 3, 1996
    Date of Patent: August 12, 1997
    Inventor: Chih-An Yu
  • Patent number: D382144
    Type: Grant
    Filed: June 25, 1996
    Date of Patent: August 12, 1997
    Inventor: Feng-Pin Lo
  • Patent number: D382848
    Type: Grant
    Filed: May 2, 1996
    Date of Patent: August 26, 1997
    Inventor: Liang-Yuan Chen
  • Patent number: D384696
    Type: Grant
    Filed: September 3, 1996
    Date of Patent: October 7, 1997
    Assignee: Maestro Design Co., Ltd.
    Inventor: Yung-Kuan Lin