Patents by Inventor Chao Duan

Chao Duan 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: 8625267
    Abstract: A hinge assembly includes a receiving seat, a control member, a clutch member, a follower, a main shaft and an elastic element. The receiving seat includes a first cam surface. The control member is releasably latched with the receiving seat. The clutch member includes at least one projection. The follower includes a second cam surface engaging with the at least one projection. The receiving seat, the control member, the clutch member and the follower are placed around the shaft. The elastic element provides an elastic force for the follower. After the control member is unlocked, the second cam surface engages with the first cam surface.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: January 7, 2014
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chao Duan, Chia-Hua Chen
  • Patent number: 8625260
    Abstract: A sliding module includes a first section, a second section, a sliding member, a connecting plate, a rotary plate and an elastic member. The sliding member is rotatably connected to the first section. One end of the connecting plate slidably connected to the sliding member, and the other end of the connecting plate is rotatably connected to the second section. The rotary plate is respectively rotatably connected to the first section and the second section. One end of the elastic member is fixed to the second section, and the other end of the elastic member is fixed to the sliding member. When the sliding member slides relative to the second section and drives the connecting plate to rotate, the rotary plate rotates relative to the second section and causes the first section to move and rotate relative to the second section into a tilted orientation.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: January 7, 2014
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Ke-Long Wu, Chao Duan, Chia-Hua Chen
  • Patent number: 8625268
    Abstract: A sliding module includes a first section, a second section, a pivot plate, a hinge module and an assist lever. Two sides of the pivot plate are respectively rotatably connected to the first section and the second section. The hinge module is positioned on the second section. Two ends of the assist lever are respectively rotatably connected to the first section and the hinge module. The first section brings the assist lever to rotate relative to the hinge module, and elevates the pivot plate, the pivot plate and the assist lever bring the first section to move and rotate relative to the second section in a tilted orientation.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: January 7, 2014
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chao Duan, Chia-Hua Chen
  • Patent number: 8593794
    Abstract: A hinge assembly includes a shaft, a seat made of plastic, a follower, a cam, a latching member, a resilient member, and a sleeve. The follower includes a cam surface. The seat is fixed to the follower, and the seat and the follower are placed around the shaft. The cam has a latching cam surface, the cam surface is engaged with the cam latching surface. The latching member is fixed to the cam, and the cam and the latching member are placed around the shaft. An outer diameter of the cam is smaller than the latching member. The resilient member is placed around the shaft and provides an elastic force to make the cam surface abut against the latching cam surface. The sleeve receives the cam, the latching member, and the resilient member, and the latching member engages with the sleeve.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: November 26, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Min Shao, Chao Duan, Chia-Hua Chen
  • Patent number: 8549709
    Abstract: A hinge assembly includes a receiving seat, a control member, a clutch member, a follower, a main shaft and an elastic element. The receiving seat includes a first cam surface. The control member is releasably latched with the receiving seat. The cam includes a second cam surface. The follower includes a third cam surface engaging with the first cam surface or the second cam surface. The receiving seat, the control member, the cam and the follower are placed around the shaft. The elastic element provides an elastic force for the follower. After the control member is unlocked, the second cam surface engages with the first cam surface.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: October 8, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Yi-De Luo, Chao Duan, Chia-Hua Chen
  • Patent number: 8553402
    Abstract: A sliding module includes a first section, a second section, a sliding member, a rotary plate, and at least one elastic member. The sliding member is slidably engaged with the second section, and is rotatably connected to the first section. The rotary plate is respectively rotatably connected to the first section and the second section. One end of the at least one elastic member is fixed to the second section, and the other end is fixed to the sliding member. When the sliding member slides relative to the second section, the rotary plate rotates relative to the second section and causes the first section to move and rotate relative to the second section in a tilted orientation.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: October 8, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Ke-Long Wu, Chao Duan, Chia-Hua Chen
  • Patent number: 8547700
    Abstract: A sliding module includes a first section, a second section, a sliding member, at least one elastic member and a pivot body. The sliding member is slidably engaged with the first section, and is rotatably connected to the second section. One end of the at least one elastic member is fixed to the first section, the other end is fixed to the sliding member. Two ends of the pivot body are respectively connected to the first section and the second section. When the sliding member slides relative to the first section, the pivot body brings the second section to move and rotate relative to the first section in a tilted orientation.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: October 1, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chao Duan, Chia-Hua Chen
  • Patent number: 8533915
    Abstract: A hinge assembly includes a first member, a second member, two rotary members, a resilient member, and a main shaft. The first member includes a cam surface. The two rotary members engage with the second member to constitute a latching cam surface engaging with the cam surface. The resilient member provides an elastic force for the first member to abut against the second member. The first member, the second member, the resilient member are placed around the main shaft. After the rotary members are rotated, the first member automatically rotates relative to the second member.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: September 17, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chao Duan, Chia-Hua Chen
  • Patent number: 8490247
    Abstract: A hinge assembly includes a follower member, a rotary member, two swing rods, a resilient member and a main shaft. The follower member includes a cam surface. The rotary member includes a latching cam surface. The two swing rods engage with the rotary second member. Each swing rod includes a contact area engaging the cam surface, and each swing rod is rotated to allow the follower member to automatically rotate relative to the latching cam surface. The resilient member provides an elastic force for the follower member abutting against the rotary member. The main shaft, the follower member, the rotary member, the resilient member are placed around the main shaft.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: July 23, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Yi-De Luo, Chao Duan, Chia-Hua Chen
  • Patent number: 8493725
    Abstract: A sliding module includes a first section, a second section, a hinge module, a sliding member and a pivot plate. The first section includes a connecting member. The hinge module is positioned on the second section. The sliding member is slidably engaged with the second section, and is rotatably connected to the connecting member of the first section. Two ends of the pivot plate are respectively connected to the first section and the hinge module. When the sliding member slides relative to the second section, the pivot plate brings the first section to move and rotate relative to the second section in a tilted orientation.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: July 23, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Ke-Long Wu, Chao Duan, Chia-Hua Chen
  • Patent number: 8462492
    Abstract: A sliding module includes a first section, a second section, a sliding plate, a rotary plate, a connecting rod, and at least one elastic member. The sliding plate is fixed to the first section. The rotary plate is rotatably connected to the second section, and the sliding plate is slidably connected to the rotary plate. The connecting rod is connected to the first section and the second section. One end of the at least one elastic member is fixed to the rotary plate, the other end of the at least one elastic member is fixed to the sliding plate. When the sliding plate and the first section slide relative to the second section, the connecting rod rotates the rotary plate relative to the second section, causing the first section to move and rotate relative to the second section into a tilted orientation.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: June 11, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Ke-Long Wu, Chao Duan, Chia-Hua Chen
  • Patent number: 8456835
    Abstract: An elastic module for a portable electronic device includes at least one elastic element. The at least one elastic element is an integral type element forming a plurality of linear springs and including two connecting ends. The springs are substantially arranged on a plane and are converged with the connecting ends.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: June 4, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chao Duan, Chia-Hua Chen
  • Patent number: 8453299
    Abstract: A connecting module includes a mounting portion, a pin and a washer. The mounting portion defines a receiving groove and two latching grooves positioned at opposite sides of the receiving groove. The pin extends through the mounting portion. The washer includes a washer body and two extending arms protruding from opposite sides of the washer body, each extending arm having an arcuate portion. The washer body is received in the receiving groove and is fitted around the pin, the extending arms are received in the latching grooves, and each arcuate portion is latched in a corresponding latching groove.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: June 4, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Jian-Wei Li, Chao Duan, Chia-Hua Chen
  • Publication number: 20130107428
    Abstract: A portable electronic device includes a main body, a first cover and a second cover. The main body includes a display formed on a surface thereof. The first cover is rotatably connected to one end of the main body and the second cover is rotatably connected to another end of the main body. When the first cover and the second cover are in a closed state, the first cover and the second cover are positioned at an opposite surface of the display. When the first cover and the second cover are unfolded like wings to be in an open state, the first cover and the second cover are positioned to extend from opposite sides of the display.
    Type: Application
    Filed: December 23, 2011
    Publication date: May 2, 2013
    Applicants: FIH (HONG KONG) LIMITED, SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.
    Inventors: CHAO DUAN, CHIA-HUA CHEN
  • Patent number: 8432677
    Abstract: A hinge assembly includes a first cam, a second cam, a third cam, at least one resilient member and a shaft. The first cam includes an outer cam surface and an inner cam surface. The third cam is slidably received in the second cam, and the second cam and the third cam respectively engage with the outer cam surface and the inner cam surface. The resilient member provides an elastic force making the third cam and the second cam abut against the first cam. The shaft extends through the first cam, the second cam, the third cam and the at least one resilient member.
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: April 30, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chao Duan, Chia-Hua Chen
  • Patent number: 8402607
    Abstract: An exemplary hinge assembly includes a sleeve, a first member, a second member, and a resilient member. The sleeve includes a sleeve wall and an open end. The first member is received in the sleeve. The second member is located next to the first member. One of the first member and the second member have a cam, the other of the first member and second member have a cam follower interacting with the cam so that the first member rotates about an axis and the second member moves linearly along the axis when the cam follower follows the cam. The resilient member is fitted in the sleeve and provides an elastic force to bias the first member and the second member into contact with each other. At least one tab is formed adjacent to the open end and blocking a minor portion of the open end. The at least one tab retains the first, second, and resilient members in the sleeve for preventing them from escaping the sleeve through the open end.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: March 26, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chao Duan, Chia-Hua Chen
  • Patent number: 8383936
    Abstract: A grounding mechanism is used for a slidable electronic device including a first housing, a second housing, a conductive member and a grounding tab. The grounding tab is for attachment to the first housing. The receiving portion is formed in the second housing. The conductive member is attached to the receiving portion. The grounding tab contacts the conductive member, the first housing is electrically connected to the second housing.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: February 26, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chao Duan, Chia-Hua Chen
  • Patent number: 8370994
    Abstract: A hinge assembly includes a main shaft, a fixing seat, a follower, a cam and a first elastic element. The fixing seat is fixed with the main shaft. The follower is placed around the shaft, and the fixing seat selectively locks with the follower. The cam is placed around the shaft, and engages with the follower. The first elastic element provides an elastic force to make the cam and the follower resist each other and provides a force to make the cam and the follower rotate together.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: February 12, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chao Duan, Chia-Hua Chen
  • Patent number: 8341805
    Abstract: An exemplary hinge assembly includes a sleeve, a first member, a second member, a conductive member and a resilient member. The sleeve includes an open end. The first member is received in the sleeve. The conductive member is positioned on the first member. The second member is located next to the first member. One of the first member and the second member have a cam, the other of the first member and second member have a cam follower interacting with the cam so that the first member rotates about an axis and the second member moves linearly along the axis when the cam follower follows the cam. The resilient member is fitted in the sleeve and provides an elastic force to bias the first member and the second member into contact with each other. A plurality of tabs formed adjacent to the open end contact the conductive member for electronically connecting the sleeve to the first member.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: January 1, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chao Duan, Chia-Hua Chen
  • Patent number: 8338705
    Abstract: A grounding mechanism is used for a slidable electronic device including a first housing and a second housing. The grounding mechanism includes a grounding tab and a protrusion. The grounding tab is for attachment to the first housing, and defines a depression coated with a conductive layer. The protrusion is formed in the second housing. When the protrusion is received in the recess, the protrusion abuts against the conductive layer for electronically connecting the first housing to the second housing.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: December 25, 2012
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chao Duan, Chia-Hua Chen