Patents by Inventor Chih-Ching Hsieh

Chih-Ching Hsieh 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).

  • HEAD REPLACEABLE TOOL
    Publication number: 20070289416
    Abstract: A hand tool comprises a handle having a connection end which includes a polygonal recess defined axially therein. The polygonal recess including at least one annular groove defined in an inner periphery thereof; and a function head having an insertion which is removably inserted into the polygonal recess; and the insertion having a protrusion extends from an outer periphery thereof.
    Type: Application
    Filed: September 4, 2007
    Publication date: December 20, 2007
    Inventor: Chih-Ching Hsieh
  • Twisting spanner with auto positioning assembly
    Publication number: 20070289421
    Abstract: A twisting spanner with an auto positioning assembly comprises a push post; a sound seat; and a periphery of the supporting seat having a buffer cover; and a spring; one end of the spring having a supporting seat; and at least one end of the supporting seat having a positioning body. The positioning body is integrally formed with the supporting seat. The positioning body is a ball. The supporting seat has a positioning hole facing to the positioning groove. The buffer cover is made of soft material. The buffer cover is made of copper. The supporting seat has a limiting post capable of being inserted into the spring. The supporting seat has a receiving hole receiving with at least one roller.
    Type: Application
    Filed: June 20, 2006
    Publication date: December 20, 2007
    Inventor: Chih-Ching Hsieh
  • Hand tool with at least two alarm devices
    Publication number: 20070279236
    Abstract: A hand tool with at least two alarm devices comprises a flat handle with having a rectangular shape which is formed by has two first parallel surfaces and two second parallel narrow surfaces connected between the two first surfaces; at least one end of the handle being formed with a driving head; an output device having a sensing unit; the sensing unit being electrically connected to a strain gauge installed at a predetermined position of the handle; and the output device having an alarm unit; the alarm unit of the output device being installed at the connection of the handle and the driving head. An auxiliary alarm unit is installed at one surface of the handle, or the auxiliary alarm unit is installed at an inclined recess between two adjacent surfaces of the handle or the auxiliary alarm unit is arranged across two adjacent surfaces of the handle.
    Type: Application
    Filed: May 31, 2006
    Publication date: December 6, 2007
    Inventor: Chih-Ching Hsieh
  • Hand tool with replaceable bit
    Publication number: 20070272061
    Abstract: A hand tool includes a handle having a reception recess defined in an end thereof and a bit is removably inserted into the reception recess. The bit is positioned in the reception recess by a positioning device. A biasing device is located between the bit and an inner end of the reception recess so as to push the bit toward a direction away from the reception recess when replacing another bit.
    Type: Application
    Filed: May 26, 2006
    Publication date: November 29, 2007
    Inventor: Chih-Ching Hsieh
  • Spanner with strain alarm function
    Publication number: 20070272035
    Abstract: A spanner with a strain alarm function comprises a spanner body having at least one driving head at one end thereof; a strain gauge installed at the spanner body; a display installed in the spanner body electrically connected to the strain gauge; an alarm unit installed in the display; when a spanner body drives an object to be tightened and a twisting force applied to the object has achieved to a predetermined value, the alarm will emit alert signal to users so as to inform the user that the object to be tightened has achieved to a predetermined position. The alarm unit is one of a light emitting body and a buzzer. The predetermined value is a summation of a desired value for tightening the object and an added value under the consideration of a retuning level of the object as the spanner is released from the object.
    Type: Application
    Filed: May 23, 2006
    Publication date: November 29, 2007
    Inventor: Chih-Ching Hsieh
  • Multi-folding screwdriver
    Patent number: 7299718
    Abstract: A multi-folding screwdriver comprises a handle having a retainer formed therein; the retainer having a receiving space; a bottom end of the receiving space being installed with a first engaging portion; at least one via hole being formed in the retainer; a positioning element passing through the via hole; a driving bar being a multi-staged and bendable rod; a bottom end of the driving bar having a second engaging portion corresponding to the first engaging portion; an annular recessed limiting portion being formed at the driving bar. The driving bar is received in the receiving space so that the first engaging portion of the retainer is engaged to the second engaging portion. Thereby the retainer and the driving bar can rotate; and the positioning element passes through the via hole to resist against the limiting portion so as to forth as a limiting device.
    Type: Grant
    Filed: September 21, 2005
    Date of Patent: November 27, 2007
    Inventor: Chih-Ching Hsieh
  • Spanner with a bending section
    Patent number: 7296502
    Abstract: A spanner with a bending section comprises a handle and a driving portion; and a bending connecting portion connected between the handle and the driving portion; the driving portion being installed with an engaging head; a front end of the engaging head having an engaging end; a periphery of the engaging head having a plurality of teeth for engaging the driving portion; a length L of each teeth being longer than a width W of the engaging end. The ratio of L/W is from 2 to 3. Preferably, the ratio is 2.5.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: November 20, 2007
    Inventor: Chih-Ching Hsieh
  • Three-dimensional angle-adjusted hand tool
    Publication number: 20070251357
    Abstract: A three-dimensional angle-adjusted hand tool comprises a handle; a pivotal portion; and a driving portion. A pivotal structure is installed between the driving portion and the pivotal portion and a rotating structure is installed between the handle and the pivotal portion. Or the pivotal structure is installed between the pivotal portion and the handle and the rotation structure is installed between the pivotal portion and the driving portion. By the pivotal structure and the rotation structure, the orientation of the hand tool can be adjusted three-dimensionally. Furthermore, it is possible that each of two ends of the handle has a pivotal portion and a driving portion.
    Type: Application
    Filed: April 26, 2006
    Publication date: November 1, 2007
    Inventor: Chih-Ching Hsieh
  • Light energy collection hand tool
    Publication number: 20070253190
    Abstract: A light energy collection hand tool comprises a handle; a driving portion at one end of the handle; and an energy collection plate installed on the handle. The energy collection plate includes a solar energy plate on a surface of the handle, an energy storage unit; and a conductive unit connected to the energy storage unit. A light emitting unit is connected to the conductive unit; and thus electric power flows through the conductive unit will flow through the lighting emitting unit to light up the lighting emitting unit. The light emitting unit is one of a halogens bulb and a light emitting diode device. A slideable cover covers upon the electric power storage area. The metal conductive unit is arranged to be around an inner periphery of the handle; not only transferring electric energy, the conductive unit also generate heat.
    Type: Application
    Filed: April 26, 2006
    Publication date: November 1, 2007
    Inventor: Chih-Ching Hsieh
  • SLEEVE WITH ADAPTABLE HOLE
    Publication number: 20070240476
    Abstract: A sleeve with an adaptable hole comprises a sleeve body; a hole being formed at one end of the sleeve body; the hole having a plurality of concave cambered surface; for each two adjacent concave cambered surfaces, there are two convex cambered surfaces; a sharp pit being formed between the two convex cambered surfaces. Or at least one auxiliary resisting surface is installed between two adjacent concave cambered surfaces. The auxiliary resisting surface has one smooth surface facing a center of the hole. For each two adjacent concave cambered surfaces with the auxiliary resisting surface therebetween, there are two convex cambered surfaces; a sharp pit being formed between the two convex cambered surfaces.
    Type: Application
    Filed: June 15, 2007
    Publication date: October 18, 2007
    Inventor: Chih-Ching Hsieh
  • Bendable hand tool
    Publication number: 20070221015
    Abstract: A bendable hand tool comprises a handle having a pivotal section at a front end thereof; the pivotal section being formed with a through hole; an extension block for increasing the arm of the force of the handle tool as the hand tool is bent; a front end of the extension block being formed with a head; an upper end of the extension block being formed with a pivotal hole corresponding to the pivotal section of the handle; when the pivotal hole being aligned to the through hole of the pivotal section, a pivotal shaft passing through the pivotal hole and the through hole and thus the pivotal section being pivotally installed to the handle; and a head installed upon the upper end of the extension block. A display is installed on the handle. An internal of the display is installed with an integrated element.
    Type: Application
    Filed: March 23, 2006
    Publication date: September 27, 2007
    Inventor: Chih-Ching Hsieh
  • Handle for hand tool
    Publication number: 20070220710
    Abstract: A hand tool includes a handle and a shank connected to an end of the handle. The handle has a first section and a second section which is located opposite to the shank. The first section has even numbers of recesses and the second section has odd numbers of grasping areas. The recesses are located alternatively to the grasping areas. The user's thumb is engaged with one of the recesses and the rest of the fingers of the user's hand hold one or two of the grasping areas to apply a large torque to the object to be tightened or loosened.
    Type: Application
    Filed: March 27, 2006
    Publication date: September 27, 2007
    Inventor: Chih-Ching Hsieh
  • FITTING HOLE OF A HAND TOOL
    Publication number: 20070214915
    Abstract: A fitting hole of a hand tool such as a socket or a wrench for fitting on and wrenching a screwing member. The inner wall of the fitting hole is formed with twelve teeth at equal intervals. The teeth define therebetween twelve recesses at equal intervals. Each tooth has a tip formed with a plane. The plane of the tooth and a tangent of the tooth contain an angle of 15 degrees. A first end of the plane is closer to a center of the fitting hole. A second end of the plane of the tooth is farther from the center of the fitting hole. An arced tooth section is formed on one side of the tooth. The fitting hole can be fitted on various screwing members to wrench the same, and is applicable to both normal and worn screwing members.
    Type: Application
    Filed: March 20, 2006
    Publication date: September 20, 2007
    Inventor: Chih-Ching Hsieh
  • Fitting hole of a hand tool
    Patent number: 7270032
    Abstract: A fitting hole of a hand tool such as a socket or a wrench for fitting on and wrenching a screwing member. The inner wall of the fitting hole is formed with twelve teeth at equal intervals. The teeth define therebetween twelve recesses at equal intervals. Each tooth has a tip formed with a plane. The plane of the tooth and a tangent of the tooth contain an angle of 15 degrees. A first end of the plane is closer to a center of the fitting hole. A second end of the plane of the tooth is farther from the center of the fitting hole. An arced tooth section is formed on one side of the tooth. The fitting hole can be fitted on various screwing members to wrench the same, and is applicable to both normal and worn screwing members.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: September 18, 2007
    Inventor: Chih-Ching Hsieh
  • Telescopic driving tool
    Patent number: 7267034
    Abstract: A telescopic driving tool comprises a handle having an axial hole at a front end thereof for receiving an engaging portion; an interior of an engaging portion being formed with a receiving space; a periphery of the engaging portion being formed with at least one slit; an inner periphery of the engaging portion being formed with an inner thread; a driving rod; one end of the driving rod having an opener head for driving a screw and another end of the driving rod being installed with a thread portion; at least one stopper being installed below the thread portion; the driving rod can be inserted into the receiving space of the engaging portion and the stoppers being received within the two slits of the engaging portion; and a tightening unit being combinable with a front end of the engaging portion for tightly engaging the engaging portion.
    Type: Grant
    Filed: September 21, 2005
    Date of Patent: September 11, 2007
    Inventor: Chih-Ching Hsieh
  • Spanner
    Patent number: D552437
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: October 9, 2007
    Inventor: Chih-Ching Hsieh
  • Head portion of a spanner with a bending driving head
    Patent number: D552439
    Type: Grant
    Filed: August 17, 2006
    Date of Patent: October 9, 2007
    Inventor: Chih-Ching Hsieh
  • Spanner
    Patent number: D553457
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: October 23, 2007
    Inventor: Chih-Ching Hsieh
  • Switch of ratchet wheel
    Patent number: D554453
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: November 6, 2007
    Inventor: Chih-Ching Hsieh
  • Double head wrench
    Patent number: D554454
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: November 6, 2007
    Inventor: Chih-Ching Hsieh