Patents by Inventor Bobby Hu

Bobby 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).

  • WRENCH WITH PRESSED CHARACTER UNITS
    Publication number: 20080047400
    Abstract: A wrench includes a body having two ends and a handle between the ends of the body. At least one of the ends of the body can be used for driving an object. A plurality of character units are provided on each holding face and form an anti-slipping section. At least one of the holding faces includes at least one indication area located in the anti-slipping section. The indication area includes an indication marking.
    Type: Application
    Filed: December 13, 2006
    Publication date: February 28, 2008
    Inventor: Bobby Hu
  • Screwdriver handle
    Patent number: 7328635
    Abstract: A screwdriver handle includes a first handle part and a second handle part. A first pivotal coupling portion is formed on an end face of the first handle part and includes two receptacles each receiving a positioning member. The second handle part includes an end face with a second pivotal coupling portion pivotally engaged with the first pivotal coupling portion. A positioning hole extends from a wall of the second pivotal coupling portion. One of the positioning members is biased into a retaining section of the positioning hole to position the second handle part. A control member is mounted in the positioning hole and movable to urge the positioning member in the receptacle aligned with the positioning hole into the receptacle, allowing the screwdriver handle to be switchable between an in-line state and an angled-state.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: February 12, 2008
    Inventor: Bobby Hu
  • Anti-Slip Socket with Uniform Wall Thickness
    Publication number: 20080028897
    Abstract: A socket includes a coupling end coupled with and driven by a driving tool and a driving end for engaging with a fastener to be driven. The driving end includes a peripheral wall portion having six inner faces on an inner periphery thereof for coupling with and driving the fastener A recessed portion is formed between a pair of inner faces adjacent to each other. The peripheral wall portion firther includes six concave outer faces on an outer periphery thereof and respectively opposite to the inner faces. A convex gripping portion is formed between a pair of concave outer faces adjacent to each other. The concave outer faces and the convex gripping portions form a non-smooth outer periphery of the peripheral wall portion to allow firm grip by a user.
    Type: Application
    Filed: June 5, 2007
    Publication date: February 7, 2008
    Inventor: Bobby HU
  • Extra long wrench with reliable coupling effect
    Patent number: 7322264
    Abstract: A wrench includes an operative member and an extension. The operative member includes a first end for driving a fastener. The operative member further includes a second end having a connecting portion. The connecting portion includes an engaging hole. The extension includes a receiving hole in an end thereof. The connecting portion of the operative member is received in the receiving hole of the extension. A coupling portion protrudes inward from a perimeter wall defining the receiving hole. The coupling portion is engaged in the engaging hole of the operative member. Another operative member may be coupled to the other end of the extension.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: January 29, 2008
    Inventor: Bobby Hu
  • Method for manufacturing wrench handle with pressed indentation section
    Patent number: 7322261
    Abstract: A method for manufacturing a wrench handle includes preheating a work piece made of metal, with a layer of carbon scale being generated on the work piece during preheating. The preheated work piece is forged/pressed to form a wrench handle, with the carbon scale on the work piece being forged into upper and lower faces of the wrench handle. An indentation is formed on each of the upper and lower faces of the wrench handle. The carbon scale is then removed, leaving pits in the upper and lower faces of the wrench handle, with the pits concealed by the indentation sections.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: January 29, 2008
    Inventor: Bobby Hu
  • Reversible high-torque screwdriver
    Patent number: 7287448
    Abstract: A screwdriver includes a handle, a first body having an end securely mounted in the handle, a second body rotatably mounted in the first body, a ratcheting mechanism slidably mounted in a receiving section in the other end of the first body, and a switch member pivotally mounted to the other end of the first body. The switch member is pivotable between a first position and a second position to control engagement/disengagement of the ratcheting mechanism with/from teeth of the second body and to control relative rotation between the first body and the second body. A reinforcing member is provided in the receiving section to withstand high-torque operation.
    Type: Grant
    Filed: July 15, 2005
    Date of Patent: October 30, 2007
    Inventor: Bobby Hu
  • RETAINER RING FOR WRENCH WITH BOX END
    Publication number: 20070245858
    Abstract: A wrench includes a box end and a resilient retainer ring. The box end includes an inner periphery having a plurality of corners and defining a hole. An annular groove is defined in an end of the inner periphery. The retainer ring is mounted in the annular groove. The retainer ring includes at least two pressing sections and at least one engaging section. The at least two pressing sections simultaneously press against a bottom wall defining the annular groove such that at least a portion of the at least one engaging section is exposed to at least one of the corners of the inner periphery.
    Type: Application
    Filed: April 24, 2006
    Publication date: October 25, 2007
    Inventor: Bobby Hu
  • SCREWDRIVER WITH RATCHET MECHANISM
    Publication number: 20070243763
    Abstract: A screwdriver includes a first body having an end for coupling with a handle, a second body rotatably coupled to the other end of the first body, two pairs of engaging members, and a switch member pivotably mounted to the first body. Each pair of engaging members is slidably received in an associated transverse receiving section that includes two end openings in an outer circumference of the first body. Each engaging member includes a first end with an engaging portion. An elastic element is mounted between second ends of each pair of engaging members for biasing the pair of engaging members away from each other. The switch member is pivotable to selectively engage at least one of the engaging portions of each pair of engaging members with teeth of the second body, thereby controlling relative rotation between the first body and the second body.
    Type: Application
    Filed: March 2, 2007
    Publication date: October 18, 2007
    Inventor: Bobby Hu
  • SCREWDRIVER WITH RATCHET MECHANISM
    Publication number: 20070240544
    Abstract: A screwdriver includes a first body having an end for coupling with a handle, a second body rotatably coupled to the other end of the first body, two engaging members, and a switch member pivotably mounted to the first body. The engaging members are slidably received in a transverse receiving section that includes two end openings in an outer circumference of the first body. Each engaging member includes a first end with an engaging portion. Each engaging member further includes a second end. An elastic element is mounted between the second ends of the engaging members for biasing the engaging members away from each other. The switch member is pivotable to selectively urge at least one of the engaging members for selectively engaging at least one of the engaging portions with teeth of the second body, thereby controlling relative rotation between the first body and the second body.
    Type: Application
    Filed: June 13, 2006
    Publication date: October 18, 2007
    Inventor: Bobby Hu
  • Tool handle with bit carrier
    Patent number: 7281455
    Abstract: A tool handle includes a body, a bit carrier, and an actuating member. An end of the body includes a compartment. One of two lateral sides of the body has an opening in communication with the compartment. The bit carrier is mounted in the compartment of the body and movable relative to the body in a longitudinal direction. The bit carrier includes a bit-holding section for holding at least one bit. A retaining member is mounted to the bit carrier for retaining the bit carrier to the body. The actuating member is mounted in the opening of the body. The actuating member is operable to move the bit carrier from a storage position to an ejected position without falling out of the body and to impart a frictional force between the retaining member and the body to prevent the bit carrier from falling out of the body.
    Type: Grant
    Filed: April 17, 2006
    Date of Patent: October 16, 2007
    Inventor: Bobby Hu
  • Wrench with adjustable maximum operational torque
    Patent number: 7281457
    Abstract: A wrench includes a casing having a compartment, a rod rotatably received in the casing and having an end for coupling with a drive member for driving a fastener, an adjusting member mounted in the rod, and an elastic element for retaining the rod mounted between the adjusting member and the casing. When a rotational force applied to the casing is smaller than an engaging force between the casing and the elastic element, the rod turns together with the casing for tightening the fastener. When the rotational force applied to the casing is greater than the engaging force between the casing and the elastic element, the casing slides relative to the rod without turning the fastener. The adjusting member is adjustable in position relative to the casing to thereby change the engaging force between the casing and the elastic element.
    Type: Grant
    Filed: January 11, 2006
    Date of Patent: October 16, 2007
    Inventor: Bobby Hu
  • SCREWDRIVER WITH MULTI-SECTIONED HANDLE
    Publication number: 20070234855
    Abstract: A selective one-way screwdriver includes a handle including a grip, a driving device for driving a bit-coupling member in a selected one of two opposite directions, a first driving section, a second driving section comprising a skid-proof device and a third driving section comprising a skid-proof device. The diameter of the first driving section is larger than that of the second driving section. The diameter of the second driving section is larger than that of the third driving section. The first, second and third driving sections are good for providing different maximum torques at different top speeds.
    Type: Application
    Filed: May 18, 2006
    Publication date: October 11, 2007
    Inventor: Bobby Hu
  • Reversible ratchet wrench
    Patent number: 7278339
    Abstract: A reversible ratchet wrench includes a handle from which a head extends. The head includes a compartment and a receiving hole in communication with the compartment. A drive member is rotatably mounted in the compartment and a pawl is slidably mounted in the compartment. A ring is mounted in the compartment and around an end of the drive member. A reversing plate is pivotably mounted to the end of the drive member and operatively connected to the ring to turn therewith. A switching member is pivotably mounted in the receiving hole of the head. The switching member is operatively connected to a tip piece of the ring to turn therewith. The switching member is operatively connected to the pawl to move the pawl for changing a driving rotating direction of the reversible ratchet wrench when the reversing plate is moved between two positions corresponding to two opposite driving rotating directions.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: October 9, 2007
    Inventor: Bobby Hu
  • TOOL RACK
    Publication number: 20070227987
    Abstract: A tool rack includes a board, a tool receiving member, and a flap extending from the board. The board includes an opening and a first engaging member. The tool receiving member includes a tool receiving section defining a compartment for receiving a tool. The tool receiving member further includes a second engaging member. The tool receiving member is releasably mounted to the board and the tool receiving section extends through the opening of the board. The flap is movable relative to the board between a disengaged position and an engaged position. When the flap is in the engaged position, the tool receiving member is securely sandwiched between the board and the flap, a third engaging member on the flap is engaged with the first engaging member and the second engaging member, and the compartment is sealed by the flap.
    Type: Application
    Filed: February 16, 2007
    Publication date: October 4, 2007
    Inventor: Bobby Hu
  • Took kit
    Patent number: 7270034
    Abstract: A tool kit includes a number of wrenches of various sizes and a corresponding number of go-through type sockets. Each wrench includes a handle with a box end. Each wrench further includes a wheel that is rotatably mounted in the box end of the handle and that defines an inner periphery with a nominal size. Each socket includes an engaging portion for engaging with the box end of a corresponding wrench. The engaging portion includes a nominal size the same as that of the corresponding wrench. Each socket further includes a driving portion having a driving hole with a nominal size the same as that of the corresponding wrench. The engaging portion of each socket includes a recessed portion having a plurality of annularly spaced grooves. Each groove has two inclined faces to allow easy removal of the socket.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: September 18, 2007
    Inventor: Bobby Hu
  • Extra long wrench with reliable coupling effect
    Publication number: 20070175301
    Abstract: A wrench includes an operative member and an extension. The operative member includes a first end for driving a fastener. The operative member further includes a second end having a connecting portion. The connecting portion includes an engaging hole. The extension includes a receiving hole in an end thereof. The connecting portion of the operative member is received in the receiving hole of the extension. A coupling portion protrudes inward from a perimeter wall defining the receiving hole. The coupling portion is engaged in the engaging hole of the operative member. Another operative member may be coupled to the other end of the extension.
    Type: Application
    Filed: September 5, 2006
    Publication date: August 2, 2007
    Inventor: Bobby Hu
  • Tool display holder
    Patent number: D548061
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: August 7, 2007
    Inventor: Bobby Hu
  • Wrench
    Patent number: D553456
    Type: Grant
    Filed: May 5, 2006
    Date of Patent: October 23, 2007
    Inventor: Bobby Hu
  • Wrench
    Patent number: D553924
    Type: Grant
    Filed: May 5, 2006
    Date of Patent: October 30, 2007
    Inventor: Bobby Hu
  • Wrench
    Patent number: D562653
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: February 26, 2008
    Inventor: Bobby Hu