Patents by Inventor Yung-Hua Chen

Yung-Hua Chen 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).

  • Publication number: 20110088193
    Abstract: A non-stepping wringer bucket includes a bucket body, having a top surface substantially in a form of an opening, and a bottom surface having a protruding base; a support shaft, the under part of the support shaft covered and fixed on the protruding base, the upper part of the support shaft protruding from the top of the protruding base, forming a combining-section having a ringed trough; an orientate element made from flexible material, wherein the orientate element in the form of an awl, tapering on the top, and with a mid hole matched up the ringed trough thus the ringed trough sheathed with the orientate element, forming the bottom of the protruding part of the orientate element into a positioned surface; a dewatering basket and a rotating element installed at the bottom of a rotating base, the rotating base sheathed onto the support shaft and installed at the bottom of the dewatering basket.
    Type: Application
    Filed: October 19, 2009
    Publication date: April 21, 2011
    Inventors: Yung-Hua Chen, Chin-Yang Shin
  • Patent number: 7908879
    Abstract: A multifunctional ceiling air-conditioning circulation machine includes a base having a square fixing frame mounted around the periphery of the base and a concave circular groove formed at the middle of the base, a circular evaporator installed on the concave circular groove, a fan installed in the evaporator, and a water pump installed in an extended area on an external side of the concave circular groove for discharging condensate water dripped from the evaporator to the concave circular groove to the outside through a drain pipe. The machine integrates the multiple of functions including a circulation fan, an air conditioner, an air guide and an air re-circulation into the machine mounted onto a ceiling or a light steel frame.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: March 22, 2011
    Inventor: Yung-Hua Chen
  • Publication number: 20110058382
    Abstract: A lighting device for a vehicle is disclosed. The lighting device includes a light conducting rod, at least one light source, at least one first reflecting part, and at least one second reflecting part. The light source is connected to at least one end of the light conducting rod. The first reflecting part and the second reflecting part are located on the light conducting rod and respectively have a reflecting surface toward the light source. A first distance between the first reflecting part and the light source is less than a second distance between the second reflecting part and the light source, and the curvature of the reflecting surface of the second reflecting part is greater than the curvature of the reflecting surface of the first reflecting part.
    Type: Application
    Filed: January 20, 2010
    Publication date: March 10, 2011
    Applicant: MAXZONE AUTO PARTS CORP.
    Inventors: Chiun-Jie LIN, Yung-Hua CHEN
  • Patent number: 7887138
    Abstract: An integrally formed base arrangement of an office chair, and more particularly, a base arrangement integrally made by plastic material, comprising: a) a middle axle seat; b) a first U-shaped pivotal seat perpendicular to the middle axle seat; c) a claw member having a plurality of arched supporting arms extending in the shape of claws from the external rim of the middle axle seat upward; d) a base frame disposed at the top of the supporting arms of the claw member, an annular groove being positioned at the surface of the base frame; e) two second U-shaped pivotal seats symmetrically formed at both sides of the bottom of the base frame; and f) two hand rest supports extended from both sides of the base frame and the claw member outward, thereby creating a connection surface directed upward at the external end thereof. In this way, a convenient and rapid assembly of components of the office chair is ensured. Moreover, a stable structure is achieved.
    Type: Grant
    Filed: January 23, 2009
    Date of Patent: February 15, 2011
    Inventor: Yung-Hua Chen
  • Publication number: 20110002734
    Abstract: A swiveling locking mechanism of a telescopic rod of a mop, including: an internal clamping sleeve, an external clamping cylinder, and a U-shaped locking arm. The upper portion of the internal clamping sleeve is constructed as an internal tube for the insertion and the fixing of the bottom of the external rod in place, and the lower portion of thereof is formed as a conic body with an indentation. The external clamping cylinder is mounted on the internal clamping sleeve and provided with two mounting holes corresponding to the positioning holes of the internal tube, and the lower portion thereof is constructed as a trumpet-shaped opening mounted on the conic body. The U-shaped locking arm includes a swivel protrusion and an eccentric cam at the internal wall of both sides thereof for fitting into the positioning holes of the internal clamping sleeve and the mounting holes of the external clamping cylinder, and the eccentric cams are positioned within the mounting holes.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 6, 2011
    Inventors: Yung-Hua Chen, Chin-Yang Shin
  • Publication number: 20110000043
    Abstract: A disc rotating and positioning structure of a mop including a mop head, a mop rod, a pivotal base, a positioning device, a locking device and a bolt. When the mop is dewatered, the mop rod is in an erect position, such that a semicircular cam of the bolt faces upward to drive the locking device to press the disc upward and into a locked and linking status, and when the mop is used for mopping, the mop rod is in an inclined position to drive the semicircular cam of the bolt to shift to a side, such that the locking device is in a non-pressing status with respect to the disc, and a force is applied to rotate the mop head when the mop is used for mopping a floor. Therefore, the present invention can provide a convenient operation and a user-friendly application.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 6, 2011
    Inventors: Yung-Hua Chen, Chin-Yang Shin
  • Publication number: 20110000042
    Abstract: An integral structure of cotton yarn strips and a circular frame body of a mop, comprising: a) a circular frame body having a through hole at the center thereof, and b) a plurality of cotton yarn strips positioned at the bottom of the circular frame body. The top portion of the cotton yarn strips is arranged in an annular way within a molding cavity of the circular frame body such that the circular frame body and the top portion of the cotton yarn strips are integrally formed. A wrapping structure having a narrower bottom is created for fastening the top portion of the cotton yarn strips within the wrapping structure. In this way, the cotton yarn strips and the circular frame body can be rapidly formed for enhancing the production capacity. Moreover, the binding strength act on fibers of the cotton yarn strips 20 for a reliable connection. Therefore, the cotton yarn strips 20 are tightly secured and won't be easily loosened. As a result, the quality can be improved and the service life can be prolonged.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 6, 2011
    Inventors: Yung-Hua Chen, Chin-Yang Shin
  • Publication number: 20110000044
    Abstract: A mop with the function of dewatering the yarns by twisting in a single direction via an up-and-down linear motion, comprising: a) an internal rod; b) an external rod having a bottom portion in a telescopic connection with a top portion of the internal rod; c) an engaging element positioned within the opening at the top of the internal rod; d) a driving element formed in an elongated shape and positioned within the external rod in such a way that the driving element is moved up and down synchronically with the external rod; e) an actuating element positioned within the engaging element for accommodating the driving element, the engaging element being driven in a single direction when the actuating element is rotated by the driving element; f) a disc body secured to the bottom thereof and having mop yarns; g) a locking mechanism mounted on the external rod for locking the internal rod and the external rod in place or for unlocking them in a telescopic state, wherein the actuating element is rotated by a linear
    Type: Application
    Filed: July 1, 2009
    Publication date: January 6, 2011
    Inventors: Yung-Hua Chen, Chin-Yang Shin
  • Publication number: 20110000046
    Abstract: A non-stepping wringer bucket including a bucket body, a dewatering basket and a rotating element. The bucket body has a top surface which is substantially an opening, a protruding base protruded from a bottom surface of the bucket body, and a support shaft fixed onto the protruding base includes. The dewatering basket is sheathed onto the support shaft, and the rotating element is sheathed between the support shaft and the bottom of the dewatering basket, such that the dewatering basket can be rotated freely with respect to the support shaft.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 6, 2011
    Inventors: Yung-Hua Chen, Chin-Yang Shin
  • Publication number: 20100303617
    Abstract: A powerless diversion plate of a ceiling air-conditioning circulation machine including a bearing block and a bearing within a circular inflow/outflow hole for installing a diversion disc. The diversion disc includes a plurality of radial separation pieces, and a plurality of conic and ring-shaped diversion pieces are concentrically and outwardly positioned around the connection shaft. Moreover, the diversion disc is separated by the ring-shaped diversion pieces and the radial separation pieces to create a plurality of air inflow/outflow zones. The bottom of the diversion disc has a downward protruding middle part and a staged structure at the rim thereof so as to form a -shape. In this way, it is not necessary to install a motor serving a power source. Instead, many radial separation pieces of the diversion disc serve as working surface.
    Type: Application
    Filed: May 28, 2009
    Publication date: December 2, 2010
    Inventor: Yung-Hua Chen
  • Publication number: 20100300128
    Abstract: An airflow-cooling apparatus of a ceiling air-conditioning circulation machine, and more particularly a structure permitting a smooth flow of the indoor air, wherein the drawn current of air passes through a cooling apparatus and then is guided indoors for reducing the temperature. Thus, the energy consumption and the carbon release can be reduced. According to the invention, a base frame includes a base frame having a rectangular positioning frame at the rim thereof. A plurality of radial supports are extended from the periphery of the positioning frame inwards. A circular frame is positioned at the center of the base frame. The rim of the circular frame is attached to the radial supports. A fan base is positioned within the circular hole of the circular frame and supported by a plurality of ribs. A plurality of conic and ring-shaped air outflow/inflow channels are concentrically and outwardly interposed between the circular frame and the positioning frame.
    Type: Application
    Filed: May 28, 2009
    Publication date: December 2, 2010
    Inventor: Yung-Hua Chen
  • Publication number: 20100187882
    Abstract: An integrally formed base arrangement of an office chair, and more particularly, a base arrangement integrally made by plastic material, comprising: a) a middle axle seat; b) a first U-shaped pivotal seat perpendicular to the middle axle seat; c) a claw member having a plurality of arched supporting arms extending in the shape of claws from the external rim of the middle axle seat upward; d) a base frame disposed at the top of the supporting arms of the claw member, an annular groove being positioned at the surface of the base frame; e) two second U-shaped pivotal seats symmetrically formed at both sides of the bottom of the base frame; and f) two hand rest supports extended from both sides of the base frame and the claw member outward, thereby creating a connection surface directed upward at the external end thereof. In this way, a convenient and rapid assembly of components of the office chair is ensured. Moreover, a stable structure is achieved.
    Type: Application
    Filed: January 23, 2009
    Publication date: July 29, 2010
    Inventor: Yung-Hua Chen
  • Publication number: 20100187883
    Abstract: An apparatus for adjusting the seat back angle, and more particularly an adjuster inclinedly disposed at a lower position of the bottom of the seat back and the rear side of the seat portion, comprising a rotating sleeve, an L-shaped connection body, a large spring, a shift shaft, and a locking device. When the locking device is locked, the seat back is positioned at a desirable inclination angle. When the locking device is unlocked, the shift shaft is axially movable such that the seat back is resiliently supported. Moreover, the compression state of the large spring is adjustable by a to-and-fro rotation of the rotating sleeve. In this way, the operators may adjust the resilience of the seat back 200 according to their own needs for obtaining a greatest sitting comfort.
    Type: Application
    Filed: January 23, 2009
    Publication date: July 29, 2010
    Inventor: Yung-Hua Chen
  • Publication number: 20080316081
    Abstract: A control device capable of controlling an electronic device via wireless communications, the control device comprising a first antenna capable of receiving a radio frequency (RF) carrier at a first frequency, a power generation circuit capable of converting RF power of the RF carrier into direct-current (DC) power, a plurality of input devices configured to allow adjustment of a number of settings of the electronic device, each of the input devices being related to one of the number of settings, a memory device configured to store a number of codes, each of the number of codes being related to one of the number of settings, a control unit configured to receive the DC power and capable of retrieving one of the number of codes in the memory device based on a selection of at least one of the input devices, and a modulator capable of modulating the one code at the first frequency.
    Type: Application
    Filed: June 21, 2007
    Publication date: December 25, 2008
    Applicant: FAVEPC, INC.
    Inventors: YUNG HUA CHEN, SHAO CHANG CHANG, YA-PING CHEN
  • Publication number: 20080252124
    Abstract: An apparatus for adjusting the angle of a seat back of an office chair includes: a supporting base; a seat body mounted on the supporting base; a seat back having a pair of elongated ears symmetrically parallel to each other and disposed at the bottom end of both sides thereof, the elongated ears each being pivotally connected to the rear side of the seat body; and an elastic support element slantly disposed at a lower location between the bottom end of the seat back and the rear end of the seat body. Based upon the above-mentioned configuration, a strong elastic supporting force is provided for the seat back. As a result, the inclination of the seat back can be automatically adjusted when the body of the user leans backward.
    Type: Application
    Filed: April 13, 2007
    Publication date: October 16, 2008
    Inventor: Yung-Hua Chen
  • Patent number: 7360839
    Abstract: An angle-adjusting apparatus for an office chair includes: a supporting body with an bottom end attached to one side of a seat body of the office chair, a receiving cavity being defined by the front side of the upper portion of the supporting body, a plurality of notches being continuously formed in the front wall of the supporting body; a hollow socket mounted on the supporting body and liftable thereon; a locking shank having a pivot pin disposed at the top thereof and a protrusion at the bottom thereof for fitting into one of the notches, a spring being interposed between the front side of the locking shank and the wall of the hollow socket for providing the locking shank with an elastic pushing force in direction of the notches, a holding portion passing through the through hole of the hollow socket being extended forward from the pivot pin of the locking shank; and an armrest body transversely disposed at the top of the hollow socket and movably connected to the hollow socket so as to perform the ascendi
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: April 22, 2008
    Inventor: Yung-Hua Chen
  • Patent number: D557024
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: December 11, 2007
    Inventor: Yung-Hua Chen
  • Patent number: D557025
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: December 11, 2007
    Inventor: Yung-Hua Chen
  • Patent number: D609800
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: February 9, 2010
    Inventor: Yung-Hua Chen
  • Patent number: D610822
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: March 2, 2010
    Inventor: Yung-Hua Chen