Patents by Inventor Chung-Hsin Liu

Chung-Hsin Liu 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: 6471287
    Abstract: A slide folding structure for folding chairs and chairs includes an anchor yoke fixedly mounted to a support frame to fasten to a rear leg and to serve as a fulcrum, and a displacement yoke slidably mounted to the support frame for fastening to a front leg. When applying force on the chair frame, the front leg will be moved to drive the displacement yoke sliding on the support frame for a selected displacement to fold or extend the folding chair thereby to decrease the folding displacement and enhance safety.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: October 29, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Publication number: 20020145326
    Abstract: A fastening structure for backrest and seat pad of a leisure chair includes two sets of foot support, a back support and a seat support. The back support and seat support are fastened together by means of two fastening elements and fasteners, then are fastened to the foot support. The back support and seat support engage respectively with a backrest sleeve and a seat pad sleeve which have coupling sections formed at two lateral sides and one end thereof. The backrest sleeve and seat pad sleeve have a checker type surface formed by braiding a plurality of belts in a stagger fashion to become an integrated pad member thereby to increase the strength of the backrest and seat pad, and make assembly and disassembly easier with less time and work.
    Type: Application
    Filed: April 4, 2001
    Publication date: October 10, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Publication number: 20020139282
    Abstract: A folding table includes two top panels, two leg supports pivotally engaged with the bottom side of the top panels, and two foldable linkage means pivotally engaged with the top panels and linkage means. The leg supports are pivotally engaged through two first hinge elements. The top panels, leg supports, and linkage means are movable synchronously for extending the table for use or folding the table for storing.
    Type: Application
    Filed: April 3, 2001
    Publication date: October 3, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Publication number: 20020140257
    Abstract: A combination structure of chairs and a table capable of being reassembled as a long chair comprises a first bearing unit; a driving unit pivotally connected to the first bearing unit; and a second bearing unit pivotally connected to the driving unit. As the driving unit is moved, the second bearing unit will be driven toward the first bearing unit; so that the second bearing unit is mounted out of the first bearing unit. Therefore, as the chair is not used, it can be reassembled as a long chair.
    Type: Application
    Filed: April 3, 2001
    Publication date: October 3, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Publication number: 20020140255
    Abstract: A simple safety fastening latch for leisure chair comprises a slidable latch member mounted on an upper tubular member of a foldable foot support and a pivotal member fastened to a lower tubular member of the foot support. The latch member has an inside wall which has a plurality of first ridges formed thereon. The pivotal member has a tongue section formed at an upper edge thereof. The tongue section also has a plurality second ridges formed thereon. When the latch member is slid to the tongue section, the first ridges will engage with the second ridges to enable the leisure chair be positioned securely.
    Type: Application
    Filed: April 3, 2001
    Publication date: October 3, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Publication number: 20020140261
    Abstract: A dual row outdoor leisure rocking chair comprises two rocking chairs each includes a main frame which has two foot supports linked by a linking bar at the bottom side. The main frame hangs a swingable loading bracket thereon. The loading bracket has two bottom sides each engaged with a linkage rod. A top bracket is mounted at the top end of the main frame. The top bracket has a coupling section formed at one end thereof. The two rocking chair are opposite to each other and swingable synchronously in a coupled fashion, and may be assembled easily and has an attractive appearance.
    Type: Application
    Filed: March 28, 2001
    Publication date: October 3, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Publication number: 20020140273
    Abstract: A structure for combining a back pad and a bottom pad of a leisure chair is disclosed. The leisure chair is formed by a back frame, a bottom frame, and a plurality of legs; a back pad and a bottom pad are formed on the back frame and the bottom frame. Supporting frames of the back frame and the bottom frame are formed with joint portions, respectively. The back pad and the bottom pad are pads of whole pieces. Two sides of the back pad and bottom pad have assembly portions installed in the joint portions, respectively. By the assembly portions at two sides of the back pad and the bottom pad passing through the joint portions two sides of the back frame and the bottom frame, the leisure chair has the effect of being assembled and detached easily with less time and power. Moreover, the structure of the leisure chair is enhanced.
    Type: Application
    Filed: April 3, 2001
    Publication date: October 3, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Publication number: 20020135217
    Abstract: An improved chair pad comprises a back cushion and a seat cushion supported by two inner tube members or two outer tube members to form respectively a back pad and a seat pad which are engaged by means of two coupling elements and a fastener to form the chair pad. The chair pad may be fastened to a swing or a chair to form a detachable, versatile and sturdy chair pad.
    Type: Application
    Filed: March 23, 2001
    Publication date: September 26, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: 6450575
    Abstract: A detachable stacking chair includes a chair bracket for seating people and two front legs fastened to two sides of the chair bracket having respectively first fastening sections and second fastening sections formed thereon, and a pair of rear legs having first anchor sections and second anchor sections located thereon matching respectively the first fastening sections and the second fastening sections. The first anchor sections and the second anchor sections may be fastened respectively to the first fastening sections and the second fastening sections through first and second fasteners to compete a chair. The rear legs are detachable from the chair bracket and the front legs for stacking separately to save storing space.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: September 17, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: 6450569
    Abstract: An improved folding structure for a folding chair. The structure includes a seat bracket, a backrest bracket pivotally engaged with a rear end of the seat bracket, two armrests pivotally engaged with two sides of the backrest bracket, and front and rear legs located at two sides of the seat bracket and pivotally engaged with the armrests. The backrest bracket and the rear legs are pivotally engaged through a pivotal lever in a toggle joint manner at a pivotal fulcrum. The backrest bracket is coupled with a cradle hub which has a flange extended towards the rear leg. The backrest bracket is allowed to swing about the pivotal fulcrum relative to the rear leg for extending or folding the folding chair with the flange resting on the rear leg to reduce the size of the folding chair when folded.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: September 17, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: 6439656
    Abstract: A folding chair convertible to a rocking chair enabling a folding chair converting to a rocking chair comprises pedestals located at four ends each engaged with a plurality of support bars to form a chair frame for supporting a backrest and seat pad thereon. A pair of rockers is provided beneath the folding chair. The rockers have respectively anchor seats mounted thereon to engage with the pedestals for the folding chair convertible to a rocking chair when desired.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: August 27, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D459099
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: June 25, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D459901
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: July 9, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D460286
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: July 16, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D461329
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: August 13, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D463150
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: September 24, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D463151
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: September 24, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D463152
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: September 24, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D463153
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: September 24, 2002
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: D463677
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: October 1, 2002
    Inventor: Lausan Chung-Hsin Liu