Abstract: A wrench includes a handle, a first driver, and a second driver. The first driver and the second driver are integrally connected to two ends of the handle respectively. An angle between a driving axis of the first driver and a central axis of the handle is ?, an angle between one opening end of the first driver and the handle is ?, an angle between a driving axis of the second driver and the central axis of the handle is ?, and an angle between one opening end of the second driver and the handle is ?. The angle ? and the angle ? are located at two sides of the central axis of the handle respectively. The other opening end of the first driver and the other opening end of the second driver are horizontally connected to the handle respectively.

Abstract: An electronic torque wrench includes a main body, a display device and at least one pushbutton module. A torque detector is disposed on the main body in adjacency to a working head for outputting a torque value. The display device has an operation unit and a display panel. The pushbutton module is for setting a torque value. The pushbutton module and the torque detector are electrically connected to the operation unit. The operation unit serves to receive and process the torque value to display the torque value on the display panel. The display panel and the pushbutton module are respectively disposed on a top side and a lateral side of the main body.

Abstract: A foot support device applicable to a surgery table for locating and supporting a patient's foot, which includes: a main body; a space being formed in the main body; a bottom end of the main body being connectable to the surgery table; an operation member up and down movably fitted around the main body, the operation member having an insertion pin therein; and a support including a bracket and at least one support body; an insertion hole is formed on the bracket. The bracket is rotatably mounted in the space of the main body. When the operation member is moved downward, the insertion pin is inserted into the insertion hole of the bracket to fix the support. By means of rotating the operation member, the operation member can be latched with the main body.

Abstract: A torque warning hand tool includes a main body with one drive head, and a torque detector, a control display device and a warning unit disposed on the main body and electrically connected to each other. The control display device is used to set a preset value and receive a torque value from the torque detector to compare the torque value with the preset value. The warning unit has a first, a second and a third warning modes respectively corresponding to three colored light sources. After compared, according to the warning mode in which the torque value falls, the control display device drives the different colored light sources to emit corresponding colors for an operator to identify the torque extent applied to the hand tool.

Abstract: A foot support device applicable to a surgery table for locating and supporting a patient's foot, which includes: a main body; a space being formed in the main body; a bottom end of the main body being connectable to the surgery table; an operation member up and down movably fitted around the main body, the operation member having an insertion pin therein; and a support including a bracket and at least one support body; an insertion hole is formed on the bracket. The bracket is rotatably mounted in the space of the main body. When the operation member is moved downward, the insertion pin is inserted into the insertion hole of the bracket to fix the support. By means of rotating the operation member, the operation member can be latched with the main body.

Abstract: A clamping structure for a tool is provided. The clamping structure includes a plurality of grooves and an inner surface. The inner surface includes two inclined planes. Two convex arcs are connected to the inclined planes. Two concave arcs are connected to the inclined planes, and a middle salient connects one of the concave arcs to the other of the concave arcs. Wherein, an angle between a hypothesized extension line of one of the inclined planes and a hypothesized central line of one of the grooves is 40 degrees-50 degrees. Whereby, the clamping structure is easy to grip a damaged bolt or a damaged nut.

Abstract: A ratchet wrench is provided and comprises a main body and at least one strengthening block. The main body includes a handle, at least one tool end and a ratchet-controlling piece. The tool end has a ratchet and an annular portion which has an annular inner wall. The annular portion is connected to the handle, and the ratchet is disposed within the annular inner wall. Furthermore, the strengthening block is removably disposed within the annular portion and a portion of the strengthening block protrudes from the annular inner wall for contacting the ratchet.

Abstract: The disclosure relates to a wrench. The wrench includes a body, a torque sensor, a stick and an actuator. The body includes a cavity therein. The torque sensor is used to sense a torque applied by the body. The stick is located in the cavity of the body. The actuator is applied to move the stick to hit the body when the torque is greater than a predetermined value.

Abstract: A manufacturing method of an elastic C-shaped steel block is described, which includes the following steps. An ordinary steel is cut into a round steel tube. The round steel tube is processed into a ratchet hex socket steel tube. The ratchet hex socket steel tube is cut into a ratchet hex socket block. The ratchet hex socket block is transformed into an elastic ratchet hex socket block by a thermal treatment. An opening is formed in the elastic ratchet hex socket block to change the elastic ratchet hex socket block into a C-shaped elastic steel block.

Abstract: A quick-release angle measuring device is disclosed. The quick-release angle measuring device is applied to a hand tool, and includes a body, an angle sensor, a controller, a monitor and a power supply. The body has a quick-release part arranged on the body and for being detachable connected to the hand tool. The angle sensor is arranged in the body for detecting an angle value of the hand tool. The controller is arranged in the body and is signally connected to the angle sensor for a user to set a factor on the angle value. The monitor is arranged on the body and is signally connected to the controller for displaying the angle value. The power supply is arranged in the body for supplying electric power to the controller, the angle sensor and the monitor.

Abstract: An apparatus for measuring the slip resistance of a wrench includes a base, at least one first threaded fastener, and at least one second threaded fastener. Both the first threaded fastener and the second threaded fastener are threaded into the base, wherein the roundness of the first threaded fastener and the roundness of the second threaded fastener are different.

Abstract: A wrench includes a body, a first driving head, a second driving head, a first ratcheting mechanism and a second ratcheting mechanism. The first ratcheting mechanism connects the first driving head to the body. The second ratcheting mechanism connects the second driving head to the body.

Abstract: A hand tool alternately-magnetizing structure includes a body, at least one magnetic component, and an adjustment ring. The body defines a central axis and a handle portion; in which defines at least one recess dented along a radical direction thereof. The magnetic component is received in the recess of the handle portion, and includes a resilient member and a magnetic member. The adjustment ring is sleeved onto the handle portion and capable of angular displacement, and defines at least one switchable portion dented at an interior wall face thereof for corresponding to the recess of the handle portion. The switchable portion describes an adjacent section and an outlaying section, wherein a wall thickness defined at the adjacent section is greater than that defined at the outlaying section. The effective magnetic field is adjusted by selectively aligning the adjacent section and the outlaying section with the recess of the handle portion.

Abstract: An impact driver includes an outer sleeve, an inner core, at least one first pin, a moving mechanism, and a shank. The inner core is telescopically and rotatably received in the outer sleeve. The inner core has at least one first helix groove therein. The first pin slidably protrudes from the inner surface of the outer sleeve. The moving mechanism can move the first pin to fit the first helix groove. The shank is connected to the inner core.

Abstract: An anti-slip wrench includes a handle having two opposite grip surfaces, and at least one slant slot formed on at least one of the grip surfaces of the handle. The slant slot is through the grip surface from one lateral surface of the handle to the other. The slant slot is a concave surface with two side edges, which meet the grip surface respectively. The slant slot is positioned at an included angle located between a slot axis of the slant slot and a longitudinal axis of the handle. The concave surface of the slant slot accommodates a thumb of a user when gripping the handle. The slant slot on the handle is provided to prevent the thumb from sliding longitudinally and transversely when gripping the handle.

Abstract: The present invention is related to an open-end wrench including a first jaw and a second jaw and a throat section connected between rear ends of the two jaws. A toothed section is disposed on the inner side of the first jaw. The toothed section has multiple sharp teeth and a wide tooth positioned behind the sharp teeth. The wide tooth has a largest width among all the teeth. The bottommost point of the throat section is spaced from a front end of the first jaw by a first length. The bottommost point of the throat section is spaced from the tooth crest of the wide tooth by a second length, which ranges from ? to ½ the first length. In addition, the toothed section has a third length, which is about ? the first length.

Abstract: A hand tool with adjustable swing angle includes a first and a second ends connected with each other to contain an adjustable angle. The first end has an upper wall section having a first splined hole and a lower wall section having a through hole. An annular groove is formed on a circumferential wall of the through hole. The second end is formed with a second splined hole positioned between the first splined hole and the through hole. An engagement member having a bulged section is positioned in the splined holes. An elastic restriction ring is positioned in the annular groove and has at least two holding sections positioned in the through hole. When moving the engagement member up and down, the elastic restriction ring is expanded by the bulged section, permitting the engagement member to engage with both the first and second ends or only the second end.