Patents by Inventor Chao-Chuan CHANG

Chao-Chuan 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: 10399152
    Abstract: A pocket hole jig in contains: a base, a first fixing assembly, a drilling assembly, and a second fixing assembly. The first fixing assembly and the drilling assembly are arranged on two ends of the base respectively, and an operation space is defined between the first fixing assembly and the drilling assembly of the base so as to accommodate a wooden workpiece. The first fixing assembly includes a push rod, the drilling assembly includes at least one tilted orifice, wherein an inlet segment of the at least one tilted orifice is located on an upper end of the drilling assembly, and an outlet segment of the at least one tilted orifice is located on one side of the drilling assembly. The second fixing assembly is located on one side of the base and includes an abutting seat configured to abut against the wooden workpiece.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: September 3, 2019
    Assignee: Woodfox tools Co., Ltd
    Inventor: Chao-Chuan Chang
  • Publication number: 20190176247
    Abstract: A pocket hole jig in contains: a base, a first fixing assembly, a drilling assembly, and a second fixing assembly. The first fixing assembly and the drilling assembly are arranged on two ends of the base respectively, and an operation space is defined between the first fixing assembly and the drilling assembly of the base so as to accommodate a wooden workpiece. The first fixing assembly includes a push rod, the drilling assembly includes at least one tilted orifice, wherein an inlet segment of the at least one tilted orifice is located on an upper end of the drilling assembly, and an outlet segment of the at least one tilted orifice is located on one side of the drilling assembly. The second fixing assembly is located on one side of the base and includes an abutting seat configured to abut against the wooden workpiece.
    Type: Application
    Filed: December 7, 2017
    Publication date: June 13, 2019
    Inventor: CHAO-CHUAN CHANG
  • Patent number: 10022808
    Abstract: A pocket hole jig contains: a body, a holder, and a fitting sleeve. The body includes at least one accommodation orifice configured to house a driller, each accommodation orifice tilts downwardly and extends toward a bottom of the body, wherein the body also includes a first marking portion arranged on a first side surface thereof. The holder includes an operation room in which the body is fitted and moves relative to the holder, at least one through groove formed on a bottom of the holder so as to correspond to the at least one accommodation orifice, and a first scale section arranged on a first side surface thereof and aligning with the first marking portion. The fitting sleeve is fitted with the driller, and the holder further includes a depth scale section for measuring depths of holes drilled on wooden workpieces by the driller.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: July 17, 2018
    Inventor: Chao-Chuan Chang
  • Publication number: 20170297119
    Abstract: A pocket hole jig contains: a body, a holder, and a fitting sleeve. The body includes at least one accommodation orifice configured to house a driller, each accommodation orifice tilts downwardly and extends toward a bottom of the body, wherein the body also includes a first marking portion arranged on a first side surface thereof. The holder includes an operation room in which the body is fitted and moves relative to the holder, at least one through groove formed on a bottom of the holder so as to correspond to the at least one accommodation orifice, and a first scale section arranged on a first side surface thereof and aligning with the first marking portion. The fitting sleeve is fitted with the driller, and the holder further includes a depth scale section for measuring depths of holes drilled on wooden workpieces by the driller.
    Type: Application
    Filed: April 13, 2016
    Publication date: October 19, 2017
    Inventor: Chao-Chuan CHANG