Patents by Inventor Duanqing Gu

Duanqing Gu 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: 7686064
    Abstract: A motorized and manual clutch of curtain track, set on a curtain track, the curtain track is provided with a belt which is driven by motor and carrier hook parts which are used to hang curtain. The motorized and manual clutch is composed of a clutch body module and a clutch bar module, the clutch body module and said clutch bar module are detachably connected. A gap is provided on the belt, the clutch body module is set in the gap, connected with the belt and moved with the belt. The clutch bar module is set under the clutch body module connected with the carrier hook parts and moves the carrier hook parts. The application of the new practical motorized and manual clutch of curtain track solves the operation problem when power cut or breakdown motor or electrical circuit. It further improves the practical value of motorized curtain track.
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: March 30, 2010
    Assignee: Shanghai Qing Ying Sun-Shading Technical Development Co., Ltd.
    Inventor: Duanqing Gu
  • Publication number: 20070039700
    Abstract: A motorized/manual clutch of curtain track, set on a curtain track, the track is installed belt which is driven by motor and carrier hook parts which are used to hang curtain. The motorized/manual clutch is composed of clutch body module and clutch bar module, the two parts are separation and reunion. There is gap in the belt, the clutch body module is set in the gap, connected with the driven belt and moved with the belt. The clutch bar module is set under the body module and connected with carrier hook parts, drive the carrier hook move. The application of the new practical motorized/manual clutch of curtain track solves the operation problem when power cut or breakdown motor or electrical circuit. It further improves the practical value of motorized curtain track.
    Type: Application
    Filed: August 2, 2006
    Publication date: February 22, 2007
    Inventor: Duanqing Gu