Patents by Inventor Qiu Ping

Qiu Ping 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).

  • Publication number: 20070130777
    Abstract: A utility knife having a handle and a blade holder which is pivotally mounted on the handle for movement from an unfolded position to a folded position. The handle has a space adapted to receive the blade holder when the blade holder is in its folded position. A spring pressed lock plug is provided to move into and out of the space to hold the blade holder in the folded and unfolded positions. The blade holder includes a main wall and guard wall pivotally mounted on the main wall to pivot from an open position to a closed position overlying the main wall. The main wall being adapted to hold a blade so that a blade is interposed between the main wall and guard wall when the guard wall is in its closed position.
    Type: Application
    Filed: February 12, 2007
    Publication date: June 14, 2007
    Inventor: Qiu Ping
  • Publication number: 20070101590
    Abstract: A hack saw having a blade holding assembly and a blade lock assembly. The blade lock assembly having moveable blade lock means adapted to receive a blade therebetween, mechanism for moving the blade lock means to a position to hold a blade in place.
    Type: Application
    Filed: November 8, 2005
    Publication date: May 10, 2007
    Inventor: Qiu Ping
  • Publication number: 20070011882
    Abstract: A utility knife comprising a casing, a blade holder moveably mounted within the casing, said blade holder being moveable incrementally from a fully extended position outside the casing to a fully retracted position inside the casing whereby the blade holder may be positioned in a partially extended position.
    Type: Application
    Filed: September 20, 2006
    Publication date: January 18, 2007
    Inventor: Qiu Ping
  • Publication number: 20070006466
    Abstract: A knife having a handle with a pair of ends and a knife assembly pivotally mounted on each end for movement from a folded to an unfolded position. The handle has a space adapted to receive the knife assemblies when the knife assemblies are in the folded positions. Each knife assembly having a blade at one end and tang at the other end with the tang having a lock edge. A lock sleeve is mounted within the handle and has a body and a pair of spring lock fingers which are biased in opposite directions away from the plane of the body of the lock sleeve. Each of the spring lock fingers has a lock shoulder adapted to cooperate with the lock edge of said knife assemblies when the knife assemblies are in their unfolded position to at least assist to hold the knife assemblies in their unfolded position.
    Type: Application
    Filed: July 11, 2005
    Publication date: January 11, 2007
    Inventor: Qiu Ping
  • Publication number: 20060043660
    Abstract: A bar clamp having a first jaw assembly, a second jaw assembly and a bar. The first and second jaw assemblies are mounted on the bar which is movable relative to the second jaw assembly. A trigger is operatively associated with the bar and is adapted to be activated to move the bar and the first jaw assembly relative to the second jaw assembly in one direction. A release mechanism on the second jaw assembly is operatively associated with the bar and is adapted to be activated in order to permit the bar and the first jaw assembly to move relative to the second jaw assembly in the opposite direction.
    Type: Application
    Filed: September 2, 2004
    Publication date: March 2, 2006
    Inventor: Qiu Ping
  • Publication number: 20060016303
    Abstract: A driver tool having a hollow handle and a head. The head has a body portion and a mouth portion. A plurality of channels formed in body portion each of which is adapted to receive a driver. A selector assembly is mounted within body portion and comprises an exit groove and a stop gate located between said mouth portion and the channels. An exit notch is provided in the stop gate which communicates with the exit groove. Rotation of the selector assembly relative to the handle to move the exit groove and the exit notch past the channels so that when the rotation is stopped when the exit groove and the exit notch are opposite a predetermined channel permits a driver in that channel may move from the channel into the exit groove through the exit notch and thereby freeing a driver in the exit groove to move out of the exit groove through the mouth portion and to protrude out of the handle assembly to an extended position.
    Type: Application
    Filed: July 20, 2004
    Publication date: January 26, 2006
    Inventor: Qiu Ping
  • Publication number: 20050204567
    Abstract: A utility knife having a handle and a blade holder which is pivotally mounted on the handle for movement from an unfolded position to a folded position. The handle has a space adapted to receive the blade holder when the blade holder is in its folded position. The blade holder includes a main wall and guard wall mounted together and adapted to receive a blade therebetween and a locking pivotally mounted on the blade holder to lock the blade in place.
    Type: Application
    Filed: August 2, 2004
    Publication date: September 22, 2005
    Inventor: Qiu Ping