Patents by Inventor Ruey Zou Chen

Ruey Zou Chen 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).

  • Circular saw having saw arm angle adjusting device
    Patent number: 6860183
    Abstract: A circular saw includes a base, a saw arm, and an angle adjusting device. The angle adjusting device includes a rod unit, a first gear unit, a second gear unit, and a positioning unit. The rod unit includes an outer rod, and an inner rod. The first gear unit includes a first drive gear and a first driven gear. The second gear unit includes a second drive gear and a second driven gear. The positioning unit includes a mounting tube, and a positioning bolt. Thus, the inclined angle of the saw arm can be adjusted by the angle adjusting device easily and conveniently, thereby facilitating the user operating the circular saw.
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: March 1, 2005
    Assignee: Rexon Co., Ltd.
    Inventor: Ruey Zou Chen
  • Circular sawing machine having indication device
    Patent number: 6688203
    Abstract: A circular sawing machine includes a work table, a saw seat having a first end provided with a saw blade and a second end pivotally mounted the work table, and an indication device mounted on the saw seat. The indication device includes a support seat secured on the saw seat, a slide seat mounted on the support seat, and an indication light source mounted on the slide seat.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: February 10, 2004
    Assignee: Rexon Co., Ltd.
    Inventor: Ruey Zou Chen
  • Circular sawing machine having indication device
    Publication number: 20030097922
    Abstract: A circular sawing machine includes a work table, a saw seat having a first end provided with a saw blade and a second end pivotally mounted the work table, and an indication device mounted on the saw seat. The indication device includes a support seat secured on the saw seat, a slide seat mounted on the support seat, and an indication light source mounted on the slide seat.
    Type: Application
    Filed: November 27, 2001
    Publication date: May 29, 2003
    Inventor: Ruey Zou Chen