Patents by Inventor Boon Hwa Lau

Boon Hwa Lau 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: 7195322
    Abstract: A luggage wheel assembly comprises an L-shaped bezel including a hollow lower portion of arcuate section, and a well defined by the lower portion for receiving a wheel; and a shock absorber extended from the wheel into the lower portion. Lower, oblique first slot and upper, oblique second slot are provided on either side of an inner wall of the lower portion respectively. A wheel mount comprises a lower hole at either side, an upper hole at either side, an axle inserted through the first slot and the lower hole at one side, a hub of the wheel, and the lower hole and the first slot at the other side, two pins inserted through the upper holes and the second slots, and two C-shaped clips put on projected shanks of the pins on the second slots for fastening. The invention can eliminate wobbles occurred when towing on uneven surfaces.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: March 27, 2007
    Assignee: Chaw Khong Technology Co., Ltd.
    Inventors: Jer Hong Lin, Boon Hwa Lau
  • Patent number: 6934997
    Abstract: A retractable handle assembly for luggage in a pulling operation, press a push button to cause a spring in a plunger of buffer device to gradually and damply extending upward immediately. As a result, both a piston rod and thus the buffer device move upward gradually and damply. Also, a sliding tube coupled to the locking mechanism moves upward gradually and damply. As an end, the handle assembly is capable of gradually and damply extending from a top of the luggage a predetermined distance. At this position, a user can easily pull the handle assembly up to its maximum.
    Type: Grant
    Filed: July 11, 2003
    Date of Patent: August 30, 2005
    Assignee: Chaw Khong Technology Co., Ltd.
    Inventor: Boon Hwa Lau
  • Patent number: 6918475
    Abstract: A handle grip of a trunk having an upper cover unit and a seat unit receiving in the upper cover unit. The seam of the seat unit and the upper cover unit are placed on a top of the handle grip and the stomach portion of the seat unit has no seam. Therefore, when it is held, the hand of the user will not be in contact with the seam of the seat unit and the upper cover unit so as to have a preferred handling feeling.
    Type: Grant
    Filed: August 26, 2002
    Date of Patent: July 19, 2005
    Assignee: Chaw Khong Technology Co., Ltd.
    Inventors: Jer Hong Lin, Boon Hwa Lau
  • Publication number: 20040237605
    Abstract: A luggage hasp is provided on luggage having two zippers. In a closed state, tabs of the zippers are put on protuberances, a trigger member is seated across a channel with an outer end thereof projected from the channel, a spring depressible bar disposed in the channel, a cavity ridden on a second rail, and an inner end thereof disposed in a well, a sliding board is disposed on a base with side lugs being aligned so that a padlock is operative to fasten the lugs. Unlocking the lugs and sliding the sliding board away from the base will slide a first rail along a groove, slide a second rail along a cavity, and compress a spring until a dent has reached a position below the cavity to push the trigger member outwardly to move an inner end thereof in the dent with the protuberances being exposed.
    Type: Application
    Filed: April 19, 2004
    Publication date: December 2, 2004
    Applicant: CHAW KHONG TECHNOLOGY CO., LTD.
    Inventors: Jer Hong Lin, Boon Hwa Lau
  • Publication number: 20040177475
    Abstract: A retractable handle assembly for luggage in a pulling operation, press a push button to cause a spring in a plunger of buffer device to gradually and damply extending upward immediately. As a result, both a piston rod and thus the buffer device move upward gradually and damply. Also, a sliding tube coupled to the locking mechanism moves upward gradually and damply. As an end, the handle assembly is capable of gradually and damply extending from a top of the luggage a predetermined distance. At this position, a user can easily pull the handle assembly up to its maximum.
    Type: Application
    Filed: July 11, 2003
    Publication date: September 16, 2004
    Applicant: Chaw Khong Technology Co., Ltd.
    Inventor: Boon Hwa Lau
  • Patent number: 6672440
    Abstract: A bezel of luggage comprises a vertical portion, a horizontal portion, a first recess surrounded by the horizontal portion and the rear lower side, and a second recess surrounded by the front upper side and the vertical portion. This can protect fingers and thumb in the handle retracting process. This is because there is a sufficient space left between handle grip and second recess and between handle grip and first recess respectively when handle grip is fully retracted onto bezel.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: January 6, 2004
    Assignee: Chaw Khong Technology Co., Ltd.
    Inventors: Jer Hong Lin, Boon Hwa Lau
  • Publication number: 20030042094
    Abstract: A handle grip of a trunk comprising an upper cover unit and a seat unit receiving in the upper cover unit. Thereby, the seam of the seat unit and the upper cover unit are placed on a top of the handle grip and the stomach portion of the seat unit has no seam. Therefore, when it is held, the hand of the user will not be in contact with the seam of the seat unit and the upper cover unit so as to have a preferred handling feeling.
    Type: Application
    Filed: August 26, 2002
    Publication date: March 6, 2003
    Applicant: Chaw Khong Technology Co., Ltd.
    Inventors: Jer Hong Lin, Boon Hwa Lau
  • Publication number: 20030019705
    Abstract: The present invention relates a luggage case with reinforcing structure including a case body, four castors, four inner brackets, two pieces of the first tubes and two pieces of the second tubes, in which the inner bracket, the first tube and the second tube are joined together to reinforce the structural strength, capable of bearing heavier load. The luggage case so reinforcing still keeps the originally neat and good looking and maintains the storage capacity with no space reduced.
    Type: Application
    Filed: July 24, 2001
    Publication date: January 30, 2003
    Inventor: Boon Hwa Lau
  • Publication number: 20030000786
    Abstract: A bezel of luggage comprises a vertical portion, a horizontal portion, a first recess surrounded by the horizontal portion and the rear lower side, and a second recess surrounded by the front upper side and the vertical portion. This can protect fingers and thumb in the handle retracting process. This is because there is a sufficient space left between handle grip and second recess and between handle grip and first recess respectively when handle grip is fully retracted onto bezel.
    Type: Application
    Filed: June 26, 2002
    Publication date: January 2, 2003
    Applicant: CHAW KHONG TECHNOLOGY CO., LTD.
    Inventor: Boon Hwa Lau
  • Publication number: 20020124352
    Abstract: A handle grip for luggage comprises a padding member of elastomeric material having a bottom recess; a hose member of fabric having a central hollow section, two end sections, and two apertures on each end section; a sleeve-like gripping member having a bore; two fastening mechanisms each including a bottom cavity with one of the end sections received therein and a plurality of holes; wherein a plurality of fasteners are driven through the holes, each end section, and the luggage to secure each fastening mechanism with the hose member to the luggage; and two caps many further clung onto the fastening mechanisms. A cushion provided by padding member and a compressible space between recess of padding member and hose member is carried out when the hand grips the handle grip for bringing a degree of comfort to the hand.
    Type: Application
    Filed: August 6, 2001
    Publication date: September 12, 2002
    Applicant: Chaw Khong Technology Co., Ltd.
    Inventors: Jer Hong Lin, Boon Hwa Lau