Abstract: An adjustable wrench (1) with a head portion (200), automatically adjustable within its size range. The fastener (80) to be operated is fitted between the fixed jaw (201) and moving jaw (300), the operators thumb pressure released, automatically propelling the moving jaw 300 towards the fixed jaw (200), the use of four workpiece contacting surfaces (202, 203, 302, 303), two within each opposing jaw (201, 300), engaging the four corresponding actual levered faces (83) to each apply a drive force to a hexagonal fastener head 81. The head portion (200) illustrated in section in order to show the gear teeth (403) on the head end (402) of the handle (400) levering closed the moving jaw (300) via its associated wedge-shaped rack gear (312).

Abstract: A power tong assembly for making and breaking a tubular connection may include a first tong operable to engage a first tubular and a second tong operable to engage and rotate a second tubular relative to the first tubular to make or break the tubular connection. The second tong may include a rotation lever operable to set rotation of the second tong to a makeup setting or a break out setting and a speed lever operable to set rotation speed of the second tong in a low speed position or a high speed position. A system for selectively preventing high speed rotation of the power tong comprising a rotation lever position locking element and a coupling mechanism. The rotation lever position locking element may be movable between a blocking position and a non-blocking position. The coupling mechanism may couple the rotation lever position locking element to the speed lever.

Abstract: An electrically isolated socket may include a drive body, a driven body, and a body portion. The driven body may be made of first metallic material and having a driven end configured to receive a fastener. The drive body may be made of a second metallic material and having a drive end configured to receive a protrusion of a driving tool. The body portion may over-mold substantially all portions of the drive body and the driven body other than the drive end and the driven end, respectively. The drive end of the drive body and the driven end of the driven body may face away from each other, and the drive body and driven body each include axial grooves.

Abstract: A foldable torque tool is provided, including a handle, a driving member and a blocking structure. The driving member is rotatably disposed on the handle. The blocking structure has a first blocking unit and a second blocking unit. The first blocking unit is disposed on the handle. The second blocking unit is disposed on the driving member. When the driving member is in an unfolded position, the first blocking unit is blocked with the second blocking unit, and then the driving member is non-rotatable to a folded position.

Abstract: A torque wrench including a head, a handle, a primary beam, a secondary beam, and a torque adjustment mechanism. The primary beam couples the head and the handle for co-rotation about the rotational axis and the primary beam includes a first end adjacent the head and a second end adjacent the handle. The secondary beam is coupled to the head for rotation with the head about the rotational axis and the secondary beam is movable relative to the primary beam and the handle. The torque adjustment mechanism adjusts a torque setting of the primary beam relative to the secondary beam. The torque adjustment mechanism includes a thumb adjustment wheel that a user rotates about a first axis to adjust the torque setting by moving the second end of the primary beam relative to the handle along a second axis offset from the first axis.

Abstract: A power tong includes a lower tong and an upper tong, each with multiple grippers distributed around a tubular passage, for gripping a lower tubular and ripping an upper tubular respectively. A torque actuator includes a first hydraulic drive and a second hydraulic drive, for rotating the upper tong relative to the lower tong. The first hydraulic drive and the second hydraulic drive each have a drive shaft that supports a guide wheel for cooperating with a guide track, and a pinion for cooperating with a rack, which guide wheel and pinion are concentrically, mounted on the drive shaft of the hydraulic drive. The hydraulic drives are mounted with the drive shafts parallel to the main axis, and the upper tong or the lower tong comprises a guide track receiving the guide wheel and a rack cooperating with the pinion.

Abstract: A wrench guard includes a body portion defining a channel. The channel is configured to receive a handle of a wrench. A first sidewall extends from the body portion and defines a first side of the channel. A second sidewall extends from the body portion and defines a second side of the channel. A projection extends from the body portion. The projection is configured to be held between a user's fingers. A magnet is arranged in the channel. The magnet is configured to be magnetically secured to the handle of the wrench to secure the handle of the wrench in the channel.

Abstract: A learning device includes a learning unit that executes learning of determining a corrected polishing condition by updating an action value function based on state information including at least one polishing condition and a calculation result calculated based on at least one measured value during polishing.

Abstract: Disclosed is a high-loading ratchet tool, which has a main body, a braking structure and a working part, wherein the main body forms a first receiving groove, a second receiving groove and a third receiving groove, and the second receiving groove and the third receiving groove are mainly composed of two circular surfaces, and the braking structure is disposed on the main body. The braking structure has a ratchet, and the two ends of the ratchet respectively form a first shaft segment and a second shaft segment. The first shaft segment is disposed in the second receiving groove, and the second shaft segment is disposed in the third receiving groove. According to this, the relative force of the first shaft segment and the second shaft segment and the main body is dispersed, and enhancing the working part restrictions on external torsion.

Abstract: A hex tool including a hex head having a hex portion for engaging socket head cap screws or wrenches. The hex portion also having a body portion extending from the hex portion. The body portion having a cavity disposed therein. The hex tool also includes a handle with an end and a primary handle portion. The end disposed in the cavity to provide the hex tool a significant range of motion during use. Another type of hex tool having a hex head having a hex cavity for engaging a hex head bolt. The hex head also having a body portion extending from the hex cavity. The body portion having a cavity disposed therein. The hex tool also including a handle with an end and a primary handle portion. The ball end disposed in the cavity to provide the hex tool a significant range of motion during use.

Abstract: The present invention relates generally to tire servicing operations and, more specifically, to an improved tire bead seating device. The bead seating device may include an inlet configured to receive pressurized air. The inlet may couple to two or more outlets extending outwardly from a shell of the device. Further, a leg may extend downwardly from each outlet and include a nozzle for directing a pressurized gas into a cavity of a tire. In particular, pressurized air may be delivered via the nozzles to force the tire bead onto the rim flange. Advantageously, the bead seating device may emit a high volume of air through each nozzle to accommodate for wheel assemblies of different diameters.

Abstract: Tools, for example, hexagon sockets, dodecagonal sockets, splined sockets, wrenches, etc., that have inner surface geometries adapted to engage a flank of a fastener at a point away from a corner of the fastener. This increases the strength and life of the socket, reduces a risk of the fastener becoming locked or stuck in the socket, and reduces the risk of the fastener being stripped or the socket slipping on the fastener.

Abstract: A tool for engaging drive flanks of a threaded nut has a tool body with a central cavity. Cam surfaces are formed in an inner wall of the central cavity. A retainer secured within the central cavity has an outward-facing slot. A jaw for each of the cam surfaces has a curved outer side in contact with one of the cam surfaces and a drive surface on an inner side for engaging one of the drive flanks of the nut. A foot extends inward from a lower end of each of the jaws into the slot to retain the jaws within the central cavity. Rotating the tool body relative to the jaws moves the drive surfaces of the jaws from a retracted position to a gripping position in engagement with the drive flanks of the nut.

Abstract: The invention is an electric commutating ratchet tool comprising: a head; a ratchet mechanism with a rotating member and a latch member; the rotating member is capable of rotating, the latch member is capable of displacing and controlling rotation direction of the rotating member; and a commutating device with a commutating member, a magnetic driving member and a magnetic actuating unit; the commutating member is capable of displacing to abut against the latch member; the magnetic actuating unit is opposite to the magnetic driving member, either the magnetic actuating unit or the magnetic driving member is disposed on the commutating member; the magnetic actuating unit is at least one electromagnet; magnetic direction is changed through each of the electromagnets, so that the magnetic driving member is magnetically driven to change a position of the latch member.

Abstract: A screwdriver includes a first section, a second section where a positioning groove is annularly formed, a sleeve member detachably disposed on the second section, and an engagement member disposed in the sleeve member. The sleeve member has a body with a through hole, a magnetic unit disposed in the through hole, and an accommodation groove adapted to accommodate the engagement member. When the second section and the sleeve member engage in position, the accommodation groove and the positioning groove meet to engage the engagement member with the positioning groove. The engagement between the second section and the sleeve member allows a gap to be formed between a screw head and the sleeve member while inserting the second section into a socket of the screw head, so the magnetic attraction exists without the contact between the sleeve member and the screw head for a firm engagement therebetween.

Abstract: A hammer (1) for use in shape processing of a silicon block is a hammer for crushing a silicon block so as to carry out shape processing with respect to the silicon block, the hammer including: a handle (10) made of a resin; and a hammer head (20) fixed to the handle (10).

Abstract: The present disclosure relates to a powered screwdriver. The powered screwdriver includes a housing, a motor housed in the housing and a tool holder driven by the motor. The tool holder selectively holds both a screwdriver bit and a hex key. The hex key includes a bend such that legs of the hex key are transverse to one another.

Abstract: An aspect of some embodiments of the current invention relates to a positioner for holding one or more fasteners (e.g. screws and/or nails) which allows a user to push the fasteners out directly into a target material. For example, a user may locate the positioner over a location on the target material and/or drive the fastener through the positioner into the target. In some embodiments, the positioner includes multiple fasteners, for example the positioner may be used as a magazine of fasteners and/or a storage box for fasteners. Optionally, the positioner includes a hard frame and/or a soft passage holding the fastener. For example, a fastener is inserted into the top of the passage and driven (e.g. pushed, hammered and/or screwed) through, out the bottom of the passage into the target. Optionally, multiple positioners may be arranged along a guide.

Abstract: A torque transmitting assembly for a power tool comprising an angle head having a first output shaft which is rotational about a rotational axis and arranged to be connected to a power tool motor for transmitting a rotational movement from the motor to the first output shaft; a power tool attachment part having an input shaft connectable to the first output shaft, a second output shaft and a gear arrangement for transmitting rotational movement from the input shaft to the second output shaft; and fixation means for fixation of the attachment part to the angle head. The fixation means comprises first fixation means arranged to prevent axial displacement of the attachment part relative to the angle head; and second fixation means arranged to prevent rotation about the rotational axis of the attachment part relative to the angle head, which second fixation means is separate from the first fixation means.

Abstract: An electrically isolated coupler includes a drive body, a driven body, an insulating member and an isolation coating. The drive body is made of first metallic material and has a drive end configured to interface with a fastening component. The drive body includes a first interface portion and the driven body includes a second interface portion. The driven body is made of a second metallic material and has a driven end configured to interface with a driving tool. The insulating member is molded to fit between the drive body and the driven body to electrically isolate the drive body and the driven body from each other. The isolation coating is disposed on a surface of the first interface portion or the second interface portion that contacts the insulating member and faces the second interface portion or the first interface portion, respectively. The isolation coating includes a material that adheres to metal and has a dielectric strength of greater than about 10 kV.