Abstract: A hand tool includes a first driving element, a second driving element and at least one connecting element. The first driving element includes a first driving portion and a first staggered portion. The first driving portion is connected to the first staggered portion integrally. The second driving element does not contact the first driving element and includes a second driving portion and a second staggered portion. The second driving portion is connected to the second staggered portion integrally. The connecting element connects the first staggered portion and the second staggered portion, wherein the connecting element is made of insulating material.

Abstract: A driving head structure of a socket wrench includes an assembling base and a joint portion. The assembling base includes a plurality of convex curved surfaces. The joint portion is disposed on the assembling base. The assembling base is cylinder-shaped, and the joint portion is cuboid-shaped. Each of the convex curved surfaces is contacted with each side of the joint portion.

Abstract: A torque wrench with elastic member includes a tubular body in which an elastic member is disposed for adjusting the torque value of the torque wrench. The elastic member is in the form of a plate body having a front connection section, a rear connection section and at least one bent section positioned between the front and rear connection sections. The front and rear connection sections of the elastic member respectively abut against a click mechanism disposed in front of the elastic member and an adjustment mechanism disposed behind the elastic member, whereby the elastic member can be compressed or released to adjust the torque value of the torque wrench. The elastic member has a novel structure and can ensure the stability of the torque wrench in use and enhance the utility of the torque wrench.

Abstract: A socket structure includes a body, a first fitting hole, a second fitting hole, and at least one elastic engaging member. The first fitting hole is disposed at one end of the body. The second fitting hole is disposed at another end of the body. The at least one elastic engaging member is disposed in the first fitting hole and protrudes toward an inner portion of the first fitting hole along a radial direction of the first fitting hole. When a tool is inserted into the first fitting hole, the at least one elastic engaging member is pressed and deformed by the tool and is thus engaged with the tool. The configuration of the at least one elastic engaging member makes it easier to connect a tool to and remove the tool from the socket structure.

Abstract: A rotation angle measuring device for a hand tool is mounted in or coupled to the hand tool, can be rotated along with the hand tool, and includes a housing, a control unit, an input unit, an electronic angle detection unit, and a display unit. The angle detection unit is configured to detect the orientation of the Earth's magnetic field, the rotation angle of the hand tool, the tilt angle of the hand tool with respect to a horizontal plane, and the tilt angle of the hand tool in a vertical plane. The control unit is configured to compensate for the tilt angles of the hand tool so that the rotation angle of the hand tool can be correctly measured even if the hand tool is operated in a tilted state.

Abstract: A torque tool with a segmented warning effect includes: a tool body having a sensing unit, a processing unit for receiving a sensed value of the sensing unit and comparing the sensed value with a predetermined value to output a comparison value; at least two warning intervals formed by the comparison value of at least two different warning ranges; a warning assembly for providing warning by a primary warning unit and at least one secondary warning unit; the primary warning unit uses at least two colors for different warning intervals, and at least two illuminators of each secondary warning unit to warn at least two stages, the primary warning unit provides a primary warning for the warning interval, and the secondary warning unit at each warning interval forms secondary warnings to let users know about the operating torque quickly.

Abstract: The invention relates to a roller wrench comprising: a body with a circular chamber; a driving member being a regular polygonal component capable of rotating in the chamber; and a plurality of rollers installed in the chamber, Each of the rollers is located between a side of the driving member and a peripheral wall of the chamber; one end of each of the rollers is pivotally connected to an end surface of a reversing knob, so that the reversing knob drives the rollers to displace simultaneously. Thereby, the components of the roller wrench can be effectively latched with one another, and a torque value of the roller wrench will not be reduced.

Abstract: A dislodgement alert structure of a torque wrench includes a tube, a tool head, a supporting base, and a dislodgeable element. The tube has a front-rear, or longitudinal, direction and a lateral, or transverse, direction. The tool head has a front recessed portion and is pivotally provided in, and can be pivoted in the transverse direction of, the tube. The supporting base has a front end with a rear recessed portion and a rear end with an elastic element. The dislodgeable element has front and rear ends each having a width in the transverse direction and has a height in the longitudinal direction. The height has a smaller dimension than the widths to hinder the dislodgeable element from being turned between the recessed portions. The elastic element may have a relatively low elastic modulus to reduce the load, and facilitate adjustment of the elastic force, of the elastic element.

Abstract: The present invention provides a cover plate structure of ratchet wrench comprising: a main body, inside a head portion thereof has an accommodating space, a peripheral wall is formed in the accommodating space, and the accommodating space is formed with at least one opening; a ratchet mechanism provided in the accommodating space; a cover plate having a cover portion and a snap-abut portion, the cover plate is placed in the opening of the accommodating space, and the snap-abut portion is stuck against the peripheral wall of the accommodating space. an elastic fastener member is disposed between the head portion and the cover plate, the fastener member applies an elastic force to the cover plate, so that the snap-abut portion of the cover plate elastically snaps against the peripheral wall of the accommodating space. The cover plate is capable of bearing the load during operation, increasing the withstand strength of the head portion.

Abstract: A high strength wrench includes a head portion, a shaft and a handle. A length of the shaft is multiple times of a length of the handle. At least one slot extends along a longitudinal direction of the shaft and is formed at a circumferential surface of the shaft. A cross section shape of the shaft has a structural profile of an outer side with a relatively greater thickness and an inner portion of a relatively smaller thickness. Accordingly, the shaft has a greater structural strength to allow the wrench to bear operations of high torque.

Abstract: An alerting structure of an electronic torque tool includes a tool body and an electronic module. The electronic module includes a sensing unit, a processing unit, and at least one display unit. The sensing unit senses an operational value of the tool body. The processing unit sends the operational value sensed by the sensing unit to the display unit. The display unit has at least one display block. When the operational value sensed by the sensing unit reaches a predetermined value, the processing unit generates a rotation signal in order for the contents displayed by the display block of the display unit to rotate back and forth through a predetermined angle and thereby produce a conspicuous alerting effect.

Abstract: A hand tool includes a handle, a press member, a shank body and multiple latch assemblies. The handle is formed with a receiving cavity and a locating hole in communication with the receiving cavity. The press member is movably disposed in the locating hole. The shank body is fitted in the receiving cavity and movable relative to the handle. The shank body is formed with multiple sockets. The latch assemblies are respectively mounted in the sockets. When the shank body is moved, (for example, slid or rotated) relative to the handle to make one of the sockets aligned with the locating hole, the latch assembly latches the shank body with the handle. When pressing the press member, the latch assembly unlatches the shank body from the handle, the shank body is movable relative to the handle.

Abstract: An electronic torque wrench with double display screens includes a main body having a shank. A front end of the shank has a working head. The shank is defined with a central vertical face in the longitudinal direction. The electronic torque wrench further includes a display unit having two display screens. The two display screens are respectively disposed on two sides of the central vertical face. The two display screens are disposed by an inclination and directed upward and outward, whereby a user can easily observe the torque value displayed on the display screens.

Abstract: A bendable torque wrench includes: a shank; a tubular body whose front end is angularly displaceable with respect to the shank about an axis defined by a first pivotal connection end of the shank; an abutting block located on one side of the tubular body, a the front end of the abutting block has a convexly curved abutting surface; and a detent member whose front end is pivotally connected to a second pivotal connection end of the shank and whose rear end forms a convexly curved contact surface in elastic contact with the curved abutting surface of the abutting block. The torque wrench bends, or collapses, rapidly when the torque applied to the torque wrench reaches a preset torque value.

Abstract: The invention provides a torque wrench capable of maintaining accuracy of torque value, comprising a tube; and a rod, a trip mechanism, an elastic element, and an adjustment mechanism installed on the tube. The adjustment mechanism has a handle and a moving member, when the handle is rotated, the moving member can be driven to displace along a longitudinal direction of the tube, so as to change an elastic force exerted by the elastic element to the trip mechanism; an adjustment rod is threadedly connected into the moving member, rotating the adjustment rod is capable of displacing the adjustment rod relative to the moving member, so that a front end of the adjustment rod protrudes from the moving member and exerts pressure on the elastic element. Thereby, the torque wrench can be restored to a correct torque value by simply rotating the adjustment rod.