Patents Represented by Attorney Varndell & Varndell, PLLC
  • Patent number: 6173976
    Abstract: A folding collapsible kick scooter is made to include a base frame supported on a rear wheel a handlebar and front fork assembly supported on a front wheel, a connecting bar having one end fixedly connected to the handlebar and front fork assembly and a rear end pivotally connected between two arched upright lugs at the base frame by a pivot for enabling the handlebar and front fork assembly to be turned with the connecting bar relative to the base frame between an extended position and a collapsed position, and a quick-release lock installed in the lugs and the connecting bar and controlled to lock the handlebar and front fork assembly and the connecting bar, the quick-release lock formed of a locking lever, a holding-down block, a shaft inserted through an arched slot on each lug, and a cap nut, wherein the shaft has a flat rear end moved with the locking lever between two expanded ends of an arched slot on one lug and forced into engagement with two protruded portions in one expanded end of the arched slot
    Type: Grant
    Filed: May 2, 2000
    Date of Patent: January 16, 2001
    Inventor: Kuo-Lung Lee
  • Patent number: 6171140
    Abstract: A joint connector easy to construct and involving less fabricating cost. The joint connector comprises a housing 3 for accommodating a plurality of connecting terminals 2 in a rear-side portion thereof, a bus bar 6 formed out of an electrically conductive metal plate and accommodated in the housing 3 for jointing any individual ones of the connecting terminals 2, a bus bar holder 7 for holding the bus bar 6, and a front cover 9 mounted to the housing 3 in such a way as to cover the bus bar holder 7. The bus bar holder 7 has a plurality of holes to be used for cutting the bus bar 6 to form an arbitrary circuit. The bus bar holder 7 and the bus bar 6 is mounted in the housing 3 so as to be movable in relation to the housing 3 in a direction orthogonal to the direction of the connecting terminals 2 being housed. When the front cover 9 is set in the housing 3, it causes the bus bar holder 7 to be moved and the bus bar 6 to be jointed with connecting terminals 2.
    Type: Grant
    Filed: November 18, 1999
    Date of Patent: January 9, 2001
    Assignee: Ryosei Electro-Circuit Systems, Ltd.
    Inventors: Tsugio Anbo, Yukifumi Machida, Yoshikatsu Hasegawa, Kenichi Suzuki
  • Patent number: 6166662
    Abstract: A key pad includes a membrane circuit, a flat frame mounted on the membrane circuit to hold a set of key switches in respective openings on the flat frame, each key switch having a key body molded in one opening on the flat frame, a key cap integral with the key body at the top and carrying a respective sign, a rubber cone integral with the key body at the bottom, and an electrically conductive element integral with the rubber cone on the inside for triggering a respective contact at the membrane circuit upon each down stroke of the respective key switch.
    Type: Grant
    Filed: September 15, 1998
    Date of Patent: December 26, 2000
    Inventor: Wen-Hao Chuang
  • Patent number: 6164857
    Abstract: An extendable applicator is disclosed for reaching the contents of the lowermost portion of a bottle. The extendable applicator has an upper pushbutton cap that moves up and down within a base cap member and to which an applicator brush is attached. An insert base is arranged within the lower portion of the base cap and has a flat upper surface that, together with the flat bottom of the upper pushbutton cap, supports a coil spring. The insert base also has a hole for the applicator brush to fit through. Finally, the extendable applicator includes a threaded piece for attachment of the extendable applicator to an externally threaded bottle. The applicator brush optionally contains a clear plastic cap to cover the upper pushbutton cap and a lip is provided on the upper external surface of the base cap to accommodate the clear plastic cap.
    Type: Grant
    Filed: June 20, 2000
    Date of Patent: December 26, 2000
    Inventors: Marina Wolfarth-Brooks, DJ Wolfarth-Brooks
  • Patent number: 6164506
    Abstract: An adjustable scoreboard mounting arrangement, which includes a positioning block fastened to a hollow main rod member in a golf cart, a scoreboard detachably fastened to the positioning block, and a locking lever pivoted to a bottom stem at the scoreboard and turned between a horizontal position where the scoreboard is firmly maintanined engaged with the positioning block, and a vertical position where the scorebard is disengaged from the positioning block and allowed to be rotated with the locking lever to the desired angle.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: December 26, 2000
    Inventor: David Wu
  • Patent number: 6164620
    Abstract: An apparatus for adjusting an operating speed of a pneumatic valve 1 by means of a solenoid valve 2 including a disk-shaped orifice block 5 having a plurality of orifices 22-25 of different aperture sizes formed therein, and the orifice block is arranged rotatably between a sub-base 3 of the solenoid valve 2 and a main block 6. By rotating the orifice block 5, any one of said plurality of orifices formed in the orifice block 5 can be selectively inserted into the fluid passage between the pneumatic valve 1 and the solenoid valve 2. The operating speed of the pneumatic valve 1 can be easily adjusted in a digital manner, and the water hammer phenomenon can be effectively prevented.
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: December 26, 2000
    Assignee: Kuroda Seiko Co., Ltd.
    Inventors: Fumihiko Shiba, Koji Ishige
  • Patent number: 6165009
    Abstract: A connector including a reception housing which has four sector-shaped compartments defined by four radial partitions, and four sector-shaped end terminals are inserted into the four sector-shaped compartments from mutually orthogonal directions which are perpendicular to a direction in which an insertion housing is inserted into the reception housing. A number of male terminals are provided on each of the four sector-shaped end terminals, and a number of conductors of a plurality of flat cables are connected to the male terminals. On the insertion housing, a number of female terminals are provided each being connected to respective one of a number of electric wires. The male and female terminals are simultaneously coupled with each other by inserting the insertion housing into the reception housing.
    Type: Grant
    Filed: February 25, 1998
    Date of Patent: December 26, 2000
    Assignee: Ryosei Electro-Circuit Systems Ltd.
    Inventors: Tsugio Anbo, Katsuzi Shimazawa, Yukifumi Machida, Yoshikatsu Hasegawa
  • Patent number: 6162730
    Abstract: A method for efficiently fabricating semiconductor wafers of good planarization without utilizing chemical solutions of high etching rate is disclosed. The method slices a single-crystal ingot into slices of wafers. The edge of each wafer is chamfered. A lapping or grinding step is carried out to planarize the chamfered wafer. Both side surfaces of the wafer are then polished. Next, the wafer surface is mirror polished. Finally, the wafer is cleaned.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: December 19, 2000
    Assignee: Komatsu Electronic Metals Co., Ltd.
    Inventors: Fumitaka Kai, Masahiko Maeda, Jun-ichi Yamashita, Toshiharu Yubitani, Hirofumi Hajime, Takamitsu Harada
  • Patent number: 6159720
    Abstract: A highly active cellulase suitable for use in a removal of nap of cellulose-containing fibers, a process for reducing cellulose-containing fibers and a process for decoloring denim-dyed cellulose-containing fibers, and its gene are provided. A novel cellulase NCE4 isolated from Humicola insolens is a highly active cellulase, and can be used for various treatments of cellulose-containing fibers.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: December 12, 2000
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Kouichirou Murashima, Tatsuki Moriya, Toru Hamaya, Jinichiro Koga, Naomi Sumida, Kaoru Aoyagi, Takeshi Murakami, Toshiaki Kono
  • Patent number: 6160320
    Abstract: A method of controlling the load in an electric circuit by means of detecting the time state of same frequency of alternating current sine wave and alternating current square wave, which includes the step of picking up a half cycle wave signal, then attenuating the picked up half cycle wave signal and shaping the signal into a pulse wave signal, the step of chopping the picked up half cycle wave signal and shaping the signal into a square wave signal and then delayed the square wave signal, the step of comparing the rising edge of the square wave signal with the descending edge of the pulse signal so as to obtain a time difference, and the step of controlling the load of the electric circuit by means of a first control mode if the voltage level of the time difference thus obtained is at low potential, or by means of a second control mode if the voltage level of the time difference thus obtained is at high potential.
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: December 12, 2000
    Inventor: Chung-Chin Yang
  • Patent number: 6155444
    Abstract: A collpasible platic container having a rectangular base panel, two short side panels and two long side panels respectively disposed at the four sides of the base panel, hinge strips respectively formed between the base panel and the side panels, the long side panels each having a coupling tongue coupled to a respective coupling groove at one short side panel, and a plurality of studs respectively fastened to respectively plug holes on a respective hinged coupling flange at the second short side panel.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: December 5, 2000
    Assignee: Green Wheel Industrial Co., Ltd.
    Inventor: Kun-Hei Liu
  • Patent number: 6157542
    Abstract: An electric jack, which includes a housing, a circuit board mounted inside the housing, a terminal holder mounted inside the housing to hold down said circuit board, a plurality of forked terminals mounted in respectively holes at the terminal holders and welded to respective plug holes at the circuit board, a cable positioned in the terminal holder and having electric wires respectively connected to the forked terminals, and a plurality of holding down caps respectively pivoted to the terminal holders and turned between a first position where the electric wires of the cable are held down by the holding down caps to make a respective electric contact with the forked terminals, and a second position where the holding down caps are disconnected from the electric wires of the cable for enabling the cable to be disconnected from the terminal holder, the terminal holder having two stop blocks at two opposite sides, each stop block having a plurality of recessed receiving holes at inner side, which receive the end
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: December 5, 2000
    Assignee: Hsing Chau Industrial Co., Ltd.
    Inventor: Peter Wu
  • Patent number: 6156000
    Abstract: A limb protective pad fabrication method, which includes the steps of (a) bonding a fabric front panel, a foamed lining panel and a fabric back panel to form a blank pad, (b) cutting the blank pad into a shaped pad subject to a predetermined shaped, (c) injection-molding a shield on the front panel of the shaped pad from a plastic material having a melting point at least 30.degree. C. below the melting point of the material for the front panel of the shaped pad, and (d) edging the border area of the shaped pad by stitches, enabling binding straps to be fastened to the shaped pad when stitching.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: December 5, 2000
    Assignee: Racer Sporting Goods Co., Ltd.
    Inventors: Shyan-Wei Chen, Sen-Shaio Lu
  • Patent number: 6152866
    Abstract: A folding collapsible exercising apparatus includes a front base frame having a first U-shaped support and a second U-shaped support, a rear base frame slidably inserted into one end of the front base frame and locked at the desired length by a lock pin, a footboard unit pivoted to lugs at the rear base frame by locked at the desired angle by a lock pin, a seat pivoted to the second U-shaped support and locked in position by a lock pin, a supporting bar pivoted to the second U-shaped support and locked in position by a lock pin, a back support pivoted to the first U-shaped support, two elastic members bilaterally coupled between the supporting bar and the back support, a back mattress pivoted to the back support and locked in position by a lock pin, a headrest slidably coupled to the back mattress and locked in position by a lock pin, and two elastic pull cord members bilaterally coupled to the front base frame for pulling with the hands.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: November 28, 2000
    Inventor: Johnson Kuo
  • Patent number: 6152463
    Abstract: A handle mounting arrangement, which includes a coupling block fixedly fastened to the main rod member of a golf cart, a handle pivoted to the coupling block, and a spring member connected between the coupling block and a stop flange at the handle to absorb shocks transmitted from the main ground member of the golf cart to the handle upon movement of the golf cart on an uneven rod surface.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: November 28, 2000
    Inventor: David Wu
  • Patent number: 6154337
    Abstract: An apparatus for automatically exchanging a number of record medium cassettes includes a housing, a cassette storing device arranged within said housing for storing the cassettes, recording and reproducing devices arranged within said housing for recording and reproducing information on and from the record medium cassettes, a cassette transporting device arranged within said housing for transporting a plurality of cassette hand over units, a mail box having a cassette supply room and a cassette receipt room, a transport unit for transporting the cassettes between the cassette hand over units and the mail box. By using a plurality of cassette hand over units, the cassettes can be transported efficiently. By using the mail box, a new cassette can be automatically supplied into the housing and an unnecessary cassette can be automatically removed from the housing.
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: November 28, 2000
    Assignee: Asaca Corporation
    Inventors: Akio Hayashi, Katsuhiko Tanaka, Hidemi Tachikawa, Hitoshi Nakamura, Koutaro Onso, Tetsuya Yoshioka
  • Patent number: 6149245
    Abstract: A wheel mounting structure includes a holder plate connected to the frame of a golf cart, a wheel axle holding a wheel and having a rectangular coupling block at one end fitted into a rectangular coupling hole on the holder plate, the rectangular coupling block of the wheel axle having a positioning groove at a bottom side wall thereof, and a lock lever pivoted to the holder plate and turned to lock/unlock the wheel axle, wherein the lock lever has two engagement portions bilaterally disposed on a top end thereof, which are alternatiavely forced into engagement with the positioning groove at the retangular coupling block of the wheel axle when the lock lever is turned forwards or backwards.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: November 21, 2000
    Assignee: Masters Cy Industrial Co., Ltd.
    Inventor: Jiin-Tang Wu
  • Patent number: D436621
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: January 23, 2001
    Assignee: Limax Electronics Co., Ltd.
    Inventors: William H. K. Chu, Min-Hua Lin
  • Patent number: D434292
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: November 28, 2000
    Inventor: Chih-Ching Hsieh
  • Patent number: D434970
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: December 12, 2000
    Inventor: Ching-Hsing Wang