Patents by Inventor Tetsun Wu

Tetsun Wu 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: 6540004
    Abstract: Fixing seat structure of rolling curtain including a left fixing seat, a reel, a fabric curtain, a rotary unit, an engaging pivot member and a right fixing seat. The inner side of the left fixing seat has a fitting block the center of which is formed with a fitting channel. The ends in the fitting channel are all formed with a hooking recess. The center of outer end of the rotary unit is provided with a fitting block. The rear end of the fitting block is connected with a hooking block. A pull cord and a rotary body connected with the pull cord are disposed on the rotary unit. The outer end of the engaging pivot body is formed with a stepped fitting post the large diameter section of which forms a pivotal latch button. A sleeve is formed on inner side of the engaging pivot body. The inner side of the right fixing seat is formed with a guide channel. The front side of middle section of the guide channel communicating with a pivotal fitting socket.
    Type: Grant
    Filed: August 23, 2001
    Date of Patent: April 1, 2003
    Assignee: Yuh San Corp. Ltd.
    Inventor: Tetsun Wu
  • Publication number: 20030037889
    Abstract: Fixing seat structure of rolling curtain including a left fixing seat, a reel, a fabric curtain, a rotary unit, an engaging pivot member and a right fixing seat. The inner side of the left fixing seat has a fitting block the center of which is formed with a fitting channel. The ends in the fitting channel are all formed with a hooking recess. The center of outer end of the rotary unit is provided with a fitting block. The rear end of the fitting block is connected with a hooking block. A pull cord and a rotary body connected with the pull cord are disposed on the rotary unit. The outer end of the engaging pivot body is formed with a stepped fitting post the large diameter section of which forms a pivotal latch button. A sleeve is formed on inner side of the engaging pivot body. The inner side of the right fixing seat is formed with a guide channel. The front side of middle section of the guide channel communicating with a pivotal fitting socket.
    Type: Application
    Filed: August 23, 2001
    Publication date: February 27, 2003
    Applicant: Yuh San Corp., Ltd.
    Inventor: Tetsun Wu