Patents by Inventor GuoMing Hu

GuoMing Hu 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: 8332986
    Abstract: A mop holder which provides fast changing of mop cloth and ease of use is characterized in that a shaft (5) is disposed on a middle top of the frame (1); and a circular groove (6) is set on an inner bottom of the shaft (5). A tube (7) which fits into said shaft (5) is screw jointed onto an outer bottom of a handle (3); and a projection (9), corresponding to said groove (6) is disposed on a bottom of said tube (7). Said projection (9) comprises pluralities of slots (8), disposed on a surface thereof; and a tapered surface (10) for guiding said tube (7) into the shaft (5) is disposed on an outer bottom of said projection (9). By coupling the projection (9) and groove (6), said tube (7) is partially fitted into the shaft (5) firmly and allowed to rotate freely therein.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: December 18, 2012
    Assignee: Yinshang Mfg Brushes Co., Ltd.
    Inventor: GuoMing Hu
  • Patent number: 8250699
    Abstract: A mop holder which provides fast changing of mop cloth and ease of use comprises: a supporter (1) which consists of a first and second support (15, 16), each is positioned on a side of a handle holder (5). One end of the bottom of the first support (15) is connected pivotally with a limb (2); and said second support (16) contains a space (14) where a trigger (6) is disposed therein. A lever (7) is set on an edge of the space (14) which is parallel with the handle holder (5); and a shoulder (8) is disposed on the bottom of said lever (7). A gap (9) is spaced between the lever (7) and the bottom edge of the space (14). A free end of the limb (2) includes a locating slot (10) which corresponds with said shoulder (8); and an angled surface (11) is disposed on the upper edge of the slot (10) for guiding the shoulder (8) into the slot (10).
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: August 28, 2012
    Assignee: Yin Sham MFG Brushes Co., Ltd.
    Inventor: GuoMing Hu
  • Publication number: 20100175210
    Abstract: A mop holder which provides fast changing of mop cloth and ease of use is characterized in that a shaft (5) is disposed on a middle top of the frame (1); and a circular groove (6) is set on an inner bottom of the shaft (5). A tube (7) which fits into said shaft (5) is screw jointed onto an outer bottom of a handle (3); and a projection (9), corresponding to said groove (6) is disposed on a bottom of said tube (7). Said projection (9) comprises pluralities of slots (8), disposed on a surface thereof; and a tapered surface (10) for guiding said tube (7) into the shaft (5) is disposed on an outer bottom of said projection (9). By coupling the projection (9) and groove (6), said tube (7) is partially fitted into the shaft (5) firmly and allowed to rotate freely therein.
    Type: Application
    Filed: July 8, 2009
    Publication date: July 15, 2010
    Inventor: GuoMing Hu
  • Publication number: 20100175211
    Abstract: A mop holder which provides fast changing of mop cloth and ease of use comprises: a supporter (1) which consists of a first and second support (15, 16), each is positioned on a side of a handle holder (5). One end of the bottom of the first support (15) is connected pivotally with a limb (2); and said second support (16) contains a space (14) where a trigger (6) is disposed therein. A lever (7) is set on an edge of the space (14) which is parallel with the handle holder (5); and a shoulder (8) is disposed on the bottom of said lever (7). A gap (9) is spaced between the lever (7) and the bottom edge of the space (14). A free end of the limb (2) includes a locating slot (10) which corresponds with said shoulder (8); and an angled surface (11) is disposed on the upper edge of the slot (10) for guiding the shoulder (8) into the slot (10).
    Type: Application
    Filed: July 8, 2009
    Publication date: July 15, 2010
    Inventor: GuoMing Hu