Patents by Inventor CHUAN-KAI CHANG

CHUAN-KAI CHANG 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).

  • Patent number: 11932207
    Abstract: A universal wiper base assembly structure includes a fastening base, a rear base, a combination base, and an outer cover. The fastening base includes a main body and a decorative cover. The main body has a coupling hole, an insertion slot, a protruding platform, a positioning protrusion, a first shaft hole, two limiting arc surfaces, and multiple engagement grooves. The decorative cover has a fastening slot. The rear base includes two contact blocks, a top abutting block, and two hooks. The combination base includes two side plates, a connection plate, an open groove and a second shaft hole. The outer cover includes a fastening block, an opening, and a third shaft hole. Accordingly, a variety of wiper driving arms may be positioned to the universal wiper base assembly structure, so as to improve the convenience in assembling and reduce an overall cost.
    Type: Grant
    Filed: March 21, 2023
    Date of Patent: March 19, 2024
    Assignee: DANYANG UPC AUTO PARTS CO., LTD.
    Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
  • Publication number: 20140183149
    Abstract: A goods supporting apparatus in a vending machine includes a first bracket, a second bracket, a first base, a second base, a rotating axle, a supporting tray, a first supporting plate, and a second supporting plate. Sale items are located on the first bracket and the second bracket. A resisting portion is located on the rotating axle. When the rotating axle is rotated to beyond the point where the first base resists the supporting tray, the supporting tray is blocked by the second base, and the resisting portion pushes the first supporting plate on the first bracket to elevate sale items which are stacked above the bottommost sale item. The first base rotates downwards around the first bracket, and the bottommost sale item drops down to the customer from the first base.
    Type: Application
    Filed: August 27, 2013
    Publication date: July 3, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: YUN-LUNG CHEN, CHUAN-KAI CHANG
  • Patent number: 8662463
    Abstract: A temporary bracket includes a mounting bracket, an absorbing dish, and a placing member. The mounting bracket includes a mounting body. A mounting opening is defined in the mounting body. The mounting opening includes a wide part and a narrow part communicating with the wide part. The absorbing dish includes a suction cup for sucking a surface, a neck portion extending from the suction cup, and a securing portion extending from the neck portion. The neck portion is disposed in the narrow part. The securing portion is used for extending into the wide part and moves to the narrow part to enable the neck portion to be disposed in the narrow part. The placing member is secured to the mounting bracket for supporting an object.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: March 4, 2014
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Yun-Lung Chen, Chuan-Kai Chang, Tsung-Te Tai
  • Publication number: 20120286113
    Abstract: A temporary bracket includes a mounting bracket, an absorbing dish, and a placing member. The mounting bracket includes a mounting body. A mounting opening is defined in the mounting body. The mounting opening includes a wide part and a narrow part communicating with the wide part. The absorbing dish includes a suction cup for sucking a surface, a neck portion extending from the suction cup, and a securing portion extending from the neck portion. The neck portion is disposed in the narrow part. The securing portion is used for extending into the wide part and moves to the narrow part to enable the neck portion to be disposed in the narrow part. The placing member is secured to the mounting bracket for supporting an object.
    Type: Application
    Filed: November 15, 2011
    Publication date: November 15, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yun-Lung CHEN, Chuan-Kai CHANG, Tsung-Te TAI
  • Publication number: 20120173205
    Abstract: A system for forming a 3D model of ejector pins for a mold includes a 2D model drawing unit, an ejector pin parameter obtaining unit, and a 3D model drawing unit. The 2D model drawing unit opens a mold 2D model which includes a plurality of ejector pins. The ejector pin parameter obtaining unit obtains parameters of the plurality of ejector pins in the mold 2D model. The 3D model drawing unit automatically forms corresponding ejector pin 3D model according to the parameters obtained by the ejector pin parameter obtaining unit.
    Type: Application
    Filed: July 21, 2011
    Publication date: July 5, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: YUN-LUNG CHEN, MING-FA ZHANG, CHUAN-KAI CHANG
  • Publication number: 20120087603
    Abstract: A sealing mechanism includes a holding member and a securing member. A positioning hole is defined in the holding member and two flanges extend from the holding member and cooperatively defining a gap for receiving a packing bag. The securing member is received in the holding member and includes a positioning post. The securing member deforms the two flanges between a first position and a second position. In the first position, the two flanges extend outside in opposite direction so that an acute angle defined between the two flanges, and the positioning post is disengaged from the positioning hole. In the second position, the two flanges are substantially parallel to each other, the positioning post is engaged in the positioning hole, and the securing member is engaged with the packing bag.
    Type: Application
    Filed: June 2, 2011
    Publication date: April 12, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: YUN-LUNG CHEN, CHUNG CHAI, CHUAN-KAI CHANG