Patents by Inventor Chun Yuan Chang

Chun Yuan 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).

  • Publication number: 20120292312
    Abstract: A positioning structure for a document box contains a first cover and a second cover, two grooves formed on a connection of the first and the second covers; the first cover including two first recesses, and the second cover including two second recesses, two retainers are attached in the first and the second recesses; the first cover also including a first slot, a second slot, and a third slot; the second cover also including a first notch, a second notch, and a third notch; wherein each positioning member includes an integrally formed abutting block, an actuating section fixed thereon, a first inserting piece extending downward from a rear side of the abutting block, two inserting pieces attached on two sides of the first inserting piece individually, and a cutout formed on the first inserting piece.
    Type: Application
    Filed: May 17, 2011
    Publication date: November 22, 2012
    Inventor: Chun Yuan Chang
  • Publication number: 20120236474
    Abstract: An electronic apparatus carrying device for carrying an electronic apparatus is disclosed. The electronic apparatus carrying includes a device shell and a pulling tray slidably connected to the shell. The shell defines an insert opening therein, the pulling tray is passable through the inserting opening. The pulling tray includes a tray portion and a handle portion connected to the tray portion. The tray portion supports and carries the electronic apparatus. The handle portion includes a pull bar and two cranks. The cranks includes first ends pivotally coupled to opposite ends of the tray portion, and opposing second ends slidably and pivotally coupled to opposite ends of the pulling bar. Each of the first end of the cranks having an engaging portion, the cranks are rotatable about a rotating axis at the first ends between a first position and a second position.
    Type: Application
    Filed: June 27, 2011
    Publication date: September 20, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHUN-YUAN CHANG, TZU-HSIU HUNG
  • Publication number: 20120080581
    Abstract: A rotary reading stand contains a fixed plate; a bottom panel fixed on the fixed plate at a predetermined angle and including a recessed area and a plurality, of positioning members arranged around the recessed area, and the recessed area including a first orifice formed at a central position thereof; a top panel including a second orifice and a number of fixing projections formed around the second orifice; a resilient member fixed between the recessed area of the bottom panel and the top panel; a locking unit inserting through the first and second orifices and being pushed to be in an engaging or disengaging state.
    Type: Application
    Filed: October 4, 2010
    Publication date: April 5, 2012
    Inventor: Chun Yuan Chang
  • Publication number: 20120024931
    Abstract: A addle stapler contains a base including a bottom abutting section formed on a bottom end thereof, a top arm section bently extending from one end of the bottom abutting section, a support section obliquely extending upward from another end of the bottom abutting section; a filling mechanism fixed on an edge of the top arm section of the base to receive at least one type of and one staple, and the staple being forced by pressing the filling mechanism so that it is pushed outward from an outlet of the filling mechanism; a quick removing disassembly mounted on the support section of the base, and including a horizontal slot and at least one positioning projection; a ruler including a scale defined thereon, the scale includes a number of standard scale codes of papers, and the ruler also including at least one orifice.
    Type: Application
    Filed: July 29, 2010
    Publication date: February 2, 2012
    Inventor: Chun Yuan Chang
  • Publication number: 20110155617
    Abstract: An document box comprises an upper housing and a lower housing to correspond to each other, and between the upper housing and the lower housing being defined two slots; the upper and the lower housings including two sets of grooves arranged on one sides thereof individually, and one set of retaining members secured in the grooves to retain with another grooves, the upper and the lower housings also including integrally formed recesses fixed on inner sides thereof respectively; the recess serving to insert a set of paper positioning member for positioning papers; wherein the paper positioning member includes an integral formed bottom plate having two pillars secured thereon, and two supports are formed on a side piece which extends upward to correspond to the two pillars, the supports include two twisted extensions connected thereon respectively.
    Type: Application
    Filed: December 31, 2009
    Publication date: June 30, 2011
    Inventor: Chun Yuan Chang
  • Publication number: 20110084579
    Abstract: A housing includes a metal cover defining an opening and a patched member adhered to the cover to patch the opening. The patched member is formed by injecting resin into the opening of the cover in an injection mold for in-mold-decoration. A film is attached to an outer surface of the patched member.
    Type: Application
    Filed: May 17, 2010
    Publication date: April 14, 2011
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHUN-YUAN CHANG
  • Publication number: 20110027541
    Abstract: A compound material article and a method of manufacturing the same are disclosed. The compound material article includes a substrate molded by compound materials, and a film attached to a surface of the substrate. The film is capable of being painted different patterns or characters on a surface opposite to the substrate.
    Type: Application
    Filed: August 25, 2009
    Publication date: February 3, 2011
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHUN-YUAN CHANG, CHUNG-CHI TSENG
  • Publication number: 20100272970
    Abstract: A method is provided for manufacturing a fiber material component with a 3D surface. A plurality of interwoven carbon fibers is provided and shaped according to the 3D surface of the carbon fiber material component. A film comprising patterns and characters is adhered to the 3D surface of the fiber material component. A fiber material component with a 3D surface is provided as well.
    Type: Application
    Filed: July 16, 2009
    Publication date: October 28, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHUN-YUAN CHANG
  • Patent number: 7819045
    Abstract: The invention provides a hole punch structure. More particularly, one end of an exposed longitudinal handle is moved together with a slide rod in a hole-punching mechanism covered by a casing. Thus, when the other end of the handle is pressed down, the slide rod is also moved transversely, a push rod connected to the slide rod is also moved, and a tool shelf is pressed vertically downward to achieve a hole-punching operation of a punching post. This hole punch structure works according to the principle of lever of the longitudinal handle.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: October 26, 2010
    Inventor: Chun-Yuan Chang
  • Publication number: 20100260971
    Abstract: A method for forming micro-structures on a molded particle, comprises: providing a mold with a male mold and a female mold defining a mold cavity, providing an attachment film with micro-structures; transporting the attachment film into the mold, and providing a predetermined section of the attachment film closely to the mold cavity; closing the mold, wherein a parting surface of the male mold and the parting surface of the female mold do not contact each other; closing the mold again, and enabling the parting surface of the male mold and the parting surface of the female mold to contact each other, and cutting the predetermined section from the attachment film; stopping injecting plastic material; opening the mold and pushing out a molded article with micro-structures. A molded article formed by the foregoing method is also disclosed.
    Type: Application
    Filed: April 7, 2010
    Publication date: October 14, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHUN-YUAN CHANG
  • Publication number: 20100260982
    Abstract: A method for forming a plastic article is provided. An uninterrupted film with a hard-coating layer is provided and transported into a mold. A predetermined area of the film attaches to an inner surface of a cavity of a female mold of the mold. The predetermined area of the film is cut from the uninterrupted film during closing the mold.
    Type: Application
    Filed: April 7, 2010
    Publication date: October 14, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHUN-YUAN CHANG, CHUNG-CHI TSENG, LI-FU LIU, YU-TANG SHIH
  • Publication number: 20100254009
    Abstract: An attached film for in-mold-decoration is provided to be attached to an outer surface of a molded product. The attached film includes a base layer, an attaching layer, and an anti-reflection layer sandwiched between the attaching layer and the base layer.
    Type: Application
    Filed: April 7, 2010
    Publication date: October 7, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHUN-YUAN CHANG
  • Publication number: 20100255267
    Abstract: A method for forming three-dimensional patterns on a molded particle utilizing a mold with a male mold and a female mold defining a mold cavity, a three-dimensional pattern provided inside the mold cavity; providing an attachment film; transporting the attachment film into the mold, and providing a predetermined section of the attachment film closely applied to the mold cavity; closing the mold; closing the mold again, enabling the parting surface of the male mold and the parting surface of the female mold to contact each other, and cutting the predetermined section from the attachment film; stopping injection of plastic material; opening the mold and pushing out a molded article with three dimensional patterns corresponding to the patterns provided inside the mold cavity. A molded article made of the foregoing method is also disclosed.
    Type: Application
    Filed: April 1, 2010
    Publication date: October 7, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHUN-YUAN CHANG
  • Publication number: 20100255246
    Abstract: A method is provided for manufacturing a molded product with a three-dimensional (3D) surface. A film is provided and shaped according to the 3D surface of the molded product. The film includes an attached portion covering an outer surface of the molded product and a cover portion covering an edge of the molded product.
    Type: Application
    Filed: February 5, 2010
    Publication date: October 7, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHUN-YUAN CHANG, CHUN-YI HUANG
  • Publication number: 20100255273
    Abstract: An in-mold-decoration method for plastic articles is provided. An uninterrupted film is provided and transported into a mold. A predetermined area of the film attaches to an inner surface of a cavity of a female mold of the mold. The predetermined area of the film is cut from the uninterrupted film during closing the mold.
    Type: Application
    Filed: March 25, 2010
    Publication date: October 7, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHUN-YUAN CHANG, CHUNG-CHI TSENG
  • Publication number: 20100255271
    Abstract: A plastic article is provided. The plastic article includes a base formed by injecting molten resin into a cavity of a female mold and a film attached to the base. The base includes a top portion and a flange extending from edges of the top portion. The base includes a first edge formed from edges of the flange. The film includes a second edge level to the first edge of the base. The film fully covers the top portion and the flange.
    Type: Application
    Filed: March 25, 2010
    Publication date: October 7, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHUN-YUAN CHANG, CHUNG-CHI TSENG
  • Publication number: 20100255272
    Abstract: An attached film for in-mold-decoration is provided for attaching an outer surface of a molded product. The attached film includes a base layer, an attaching layer attached to a first side of the base layer, and a hard-coating layer attached to a second side of the base layer. The thickness of the hard-coating layer ranges from 0.0005 millimeters to about 0.035 millimeters.
    Type: Application
    Filed: April 7, 2010
    Publication date: October 7, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHUN-YUAN CHANG
  • Publication number: 20100253939
    Abstract: An industrial laparoscope includes a handle and a socket connected to the handle. A hemisphere is partially, rotationally located in the socket. A button is connected to the hemisphere so that the button is operable to rotate the hemisphere. A gooseneck connected to the socket, a flexible tube connected to the gooseneck. A lens is connected to the flexible tube. A first wire spacer is located in the flexible tube. A second wire spacer is located in the flexible tube. A major spring is located in the flexible tube and compressed between the first and second wire spacers. At least four wires are inserted through the socket and the gooseneck. Each of the wires includes an end connected to the hemisphere and another end connected to the first wire spacer.
    Type: Application
    Filed: April 5, 2009
    Publication date: October 7, 2010
    Inventor: Chun-Yuan Chang
  • Patent number: 7798803
    Abstract: An injection molding device includes a female mold defining a cavity, a male mold having a projecting part protruding toward the female mold corresponding to the cavity, a transport configured for transporting a foil into a position between the female mold and the male mold, a vacuum-pump, and a thermal medium source. A plurality of air discharging holes is defined in the female mold joining in the cavity. A channel is defined in the projecting part of the male mold. The vacuum-pump is connected to the air discharging holes of the female for vacuuming the cavity to suck the foil toward the female mold. The thermal medium source is connected to the channel of the male mold for inputting thermal medium into the mold via the channel to press the foil to cling to the female mold.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: September 21, 2010
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Chun-Yuan Chang
  • Patent number: 7794226
    Abstract: An injection molding device configured for manufacturing a foil decorated molding, includes a channel defined in the mold, and a thermal medium source connected to the channel of the mold for inputting thermal medium into the mold via the channel to press the foil.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: September 14, 2010
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Chun-Yuan Chang