382results about "Spanners" patented technology

The invention discloses a tooth-shaped structure of a bolt fixing tool. The tooth-shaped structure comprises a drive part, a looping part is concavely arranged inside the drive part; the inner periphery of the looping part is a hollow structure and is approximately a polygonal structure, the intersectional angle between edges of the polygonal structure of the looping part are respectively provided with an escape groove, the escape groove is a recessed arc structure, an opening of the escape groove and an opening of the adjacent escape groove take on a straight edge, the straight edge is a lank line section; a top surface is respectively arranged at the center of the straight edges between two adjacent escape grooves, the top surface is in a planar straight line section structure, the top surface is arranged at the straight edge between the two adjacent escape grooves and is superposed on the straight edge; a first groove and a second groove are respectively recessed between the escape groove and the top surface, the first groove is closer to the escape groove, the second groove is closer to the top surface, the first and the second grooves are arranged in line symmetry with another first and second grooves; based on the intermediate vertical line of the distance between the two side walls of the escape groove with the arc structure, the first and the second grooves are arranged in line symmetry with another first and second grooves by the central vertical line of the distance between the two side walls of the arc structure of the escape grooves. The tooth-shaped structure of a bolt fixation tool can not cause slipping and bruting of the bolt fixing part resulting from the stress concentration of point contact.

Various articulating tools for driving fasteners or other surgical implements are disclosed. The articulating tool may be removably connected to a handpiece comprising a motor. The articulating tool may include a torque transmission mechanism that includes a first shaft that extends through the lumen of the elongate outer housing. The first shaft may transfer the torque from the motor to an articulating torque transmission unit. The articulating torque transmission unit may transfer the torque to the bit that interlocks to the fastener. The articulating tool may include an orientation mechanism that is separate from the torque transmission mechanism. The orientation mechanism can have one or more controllers to rotate the articulating unit and driver head adapter about one or more axes.

This utility model discloses a special insulating wrench for ring main units, relating to the field of ring main unit technology. Specifically, it includes a handle, a top plate fixedly mounted on the top of the handle, a clamp head fixedly mounted on the outer wall of the top plate, a fixed jaw opening on the outer wall of the clamp head, positioning rods symmetrically fixedly mounted on one inner wall of the clamp head, positioning plates slidably mounted on the outer surfaces of multiple positioning rods, and clamping plates fixedly connected to the outer walls of multiple positioning plates. This utility model, by squeezing the movable plate and through the cooperation between various structures, can move the clamping plates towards the handle. By pre-placing the cable plug inside the fixed jaw, the operator clamps the cable plug of the ring main unit by squeezing the movable plate. By releasing the movable plate and the automatic reset of the clamping plates, the cable plug is released, effectively improving the convenience of connecting the cable plug of the ring main unit.

The present specification relates to a handheld power tool for tightening of threaded fasteners, the power tool comprising an output shaft (5) drivingly connected to a motor and having an interface arranged to receive a socket (S), wherein the output shaft further comprises a safety arrangement for preventing loss of the socket in case of damage to the interface, the safety arrangement comprising an elongated member (10), and a retaining member (3) secured to a rear portion of the output shaft, wherein a first end of the elongated member is arranged to restrict axial movement of a front portion (5a) of the output shaft and wherein the retaining member is arranged to restrict axial movement of the elongated member.

A power tool includes a housing, and a brushless direct current (DC) motor within the housing. The brushless DC motor includes a rotor, a stator, and a motor shaft. The power tool also includes an impact mechanism including a hammer coupled to the motor shaft and an anvil configured to receive impacts from the hammer. The anvil includes an anvil shaft having a circumference and a relief feature provided on the anvil shaft. The relief feature has an edge profile that extends along the circumference of the anvil shaft and varies in an axial direction of the anvil shaft. An anvil sensor is positioned adjacent the relief feature and is configured to sense a physical characteristic of the relief feature. A controller is connected to the anvil sensor and configured to control the brushless DC motor based on the physical characteristic.

The utility model belongs to the wrench technical field, concretely relates to a self -adaptation wrench, which comprises a wrench main body, fixed tooth and movable activity tooth, is equipped with self -adaptation subassembly and locking assembly in the wrench main body, and the self -adaptation subassembly includes elastic member, the locking assembly includes movable rack, guide rack and gear fixed block, is provided with the knob on the guide rack, the knob is inserted in the gear fixed block, when the knob is inserted in the first position of gear fixed block, movable rack is engaged with guide rack, and the activity tooth is in the lock -up state, when the knob is inserted in the second position of gear fixed block, movable rack is separated from guide rack, and the activity tooth is in the free state. The utility model adjusts the up and down position of guide rack through setting knob, gear fixed block and the guide rack that can move up and down, and then makes the activity tooth be in the lock -up state or free state, and cooperates self -adaptation subassembly to make the board mouth work interval can be adaptive nut or bolt width, and the operation is convenient and quick.

The utility model discloses a bogie swing seat folding head bolt disassembling tool, including handle and internal hex sleeve, the inside of handle is provided with two sliding slots, the inside of two sliding slots all swing joint has the slide rod, the middle position of handle is provided with a plurality of symmetrical distribution's first clamping slot, the both ends of handle all are provided with two second clamping slots, the slide rod is fixed with handle through the bolt assembly, the bolt assembly includes the threaded hole, and the threaded hole is located in the one end of slide rod, the inside movable joint of threaded hole has the lead screw, and the outside movable joint of lead screw has the sliding block, and the both ends fixed connection of sliding block have the clamping block, and the first clamping slot of clamping block and corresponding position is clamped, the utility model not only can make the device get the accomodation, and the staff carries out the device conveniently, still can through the connecting assembly and be convenient for staff to carry out the dismounting of internal hex sleeve.

This utility model relates to the field of combination wrench technology, specifically a multi-functional insulated combination wrench: it includes an insulating rod, a connecting seat fixedly connected to the upper end of the insulating rod, a universal joint movably connected to the upper end of the connecting seat, a sleeve movably connected to the upper end of the universal joint, a rotating seat fixedly connected to the lower end of the insulating rod, a rotating column rotatably connected to the lower end of the rotating seat, and a fixed seat fixedly connected to the lower end of the rotating column. The fixed seat has a limit groove inside, and a limit spring is fixedly connected inside the limit groove. This utility model, by providing a rotating seat, allows the rotating column and fixed seat to rotate simultaneously, driving the rotating handle to rotate. By providing a storage groove and protrusion, the rotating handle can be rotated and placed into the storage groove, thereby achieving storage of the rotating handle, reducing its volume, and making it easy to carry.

This utility model discloses a novel electric screwdriver with a modular design, including a screwdriver body and a handle mechanism. The screwdriver body includes a main body shell, a screwdriver head, and a drive assembly. The rear end of the main body shell has a T-shaped or dovetail-shaped locking groove, within which a conductive groove electrically connected to the drive assembly is embedded. The handle mechanism includes a handle housing containing a battery module and a control module. The housing has a slide rail boss that matches the locking groove, and a conductive plate on the boss. When inserted into the locking groove, the plate forms an interference contact with the conductive groove, achieving stable power supply. The contact surface between the conductive groove and the conductive plate is plated with a silver-nickel alloy layer to enhance oxidation resistance. The side of the locking groove has a positioning hole for fixed connection via a limit screw. This utility model has advantages such as convenient assembly and disassembly, stable conductivity, and strong vibration resistance, solving the problems of inconvenient maintenance, limited battery life, and poor versatility of traditional electric screwdrivers. It is suitable for various scenarios such as electronic assembly and mechanical repair.

The utility model relates to a multifunctional wrench, comprising: a generally L-shaped driving rod body including a first driving rod section, a second driving rod section, and a bent section connecting the first and second driving rod sections; a handle body extending in a longitudinal direction, the handle body being fixed to the driving rod body at the bent section, wherein the first driving rod section extends beyond the handle body in the longitudinal direction; the metal end cap is arranged at one end, opposite to the first driving rod section, of the handle body in the longitudinal direction, and the reinforcing block is connected with the metal end cap and the driving rod body.

In a method for mounting a component with a fastening element on an underground, using a hand tool with a drive for fastening the fastening element and a control unit, a position of the hand tool relative to the underground is determined. In addition a position of the hand tool relative to the component is determined. The hand tool for mounting the component with the fastening element on an underground includes a drive for fastening the fastening element, a control unit, a detection device for detecting a position signal of the hand tool relative to the underground, and means for detecting a position of the hand tool relative to the component.

A motorized tool with a direct drive mechanism and a locking mechanism that allows the tool to be used to apply a manual load or torque. The tool includes a drive lug adapted to be driven in first and second rotational directions via a gear assembly, a motor adapted to drive the gear assembly to thereby the drive lug for the application of motorized torque, and a locking mechanism that is adapted to allow application of manual torque by the drive lug.

The present specification relates to an electric pulse tool comprising an electric motor (10) drivingly connected to a flywheel unit (20) and an output shaft (30), whereby the electric pulse tool is operative to rotate the flywheel unit (20), wherein the flywheel unit is arranged to intermittently transfer kinetic energy to the output shaft (30) to provide a torque pulse to the output shaft and wherein the moment of inertia of the flywheel unit is variable, such that said torque pulse may be provided by means of a forced decrease of moment of inertia of said flywheel unit.

An electronic torque wrench having a heat-treated hardened steel alloy spacer in a narrowed area of the wrench head. One end of the spacer is secured to one side of the narrowed area of the wrench head. A gap is provided between a free end of the spacer and an opposite side of the narrowed area. During operation of the tool within its rating, the gap remains open. However, when the rated torque is exceeded, the tool will begin to bend, closing the gap and causing the free end of the spacer to contact the adjacent face of the wrench head. The force of any additional torque applied is borne, at least in part, by the hardened torque-limiting spacer rather than by the wrench head.

A limitation structure for an internal hole of a hand tool contains a wrench and a limiter. The wrench includes a handle and a work segment with a ratchet which has the internal hole. The internal hole has a groove, and the limiter includes an oval ring, an opening, a long axis, and a short axis. The oval ring has a virtual central point, and a first engagement portion is formed on the long axis. The limiter further includes a second engagement portion, a third engagement portion, and two flexible clamp portions formed on two ends of the short axis and located within 60 degrees to 90 degrees of a first angle of the virtual central point. The opening is located within 10 degrees to 90 degrees of a second angle of the virtual central point, and the limiter is received in the groove.

Ratchet wrench structure comprising: a main body (10) wherein a receiving chamber (11) is provided at one end of the main body (10) which is designed as a through-opening, wherein the main body (10) has a stop section (12) which is arranged at the bottom opening of the receiving chamber (11), wherein a receiving recess (13) is provided at the rear end of the main body (10), wherein the receiving recess (13) is hexagonal or dodecagonal; a ratchet wheel (20) which is rotatably arranged in the receiving chamber (11), wherein a ratchet section (21) is provided on the outer circumference of the ratchet wheel (20) which has annularly arranged teeth, wherein a first fitting section (22) is formed inside the ratchet wheel (20), which is dodecagonal or hexagonal and is designed as a through-opening, wherein the ratchet wheel (20) has a first groove (23),which is arranged near the opening of the first fitting section (22) and is connected to it, wherein the first groove (23) is designed as an annular groove, wherein the ratchet wheel (20) also has two second grooves (24) arranged opposite each other on both sides of the first fitting section (22), wherein the second grooves (24) are connected to the first groove (23) and the first fitting section (22), wherein the direction of extension of the second grooves (24) corresponds to that of the first fitting section (22), and wherein the second grooves (24) are designed as elongated grooves; wherein the ratchet wheel (20) is provided with at least one detent hole (25) which is connected to the first fitting section (22) and the second groove (24), wherein the detent hole (25) is arranged in the lower region of the ratchet section (21), wherein the detent hole (25) and the first groove (23) are each located at the upper and lower ends of the first Passport section (22) are arranged,wherein the detent hole (25) extends transversely through the ratchet wheel (20) or does not extend through it, wherein, if the detent hole (25) extends through, it is in contact with each of the two second grooves (24), wherein, if the detent hole (25) does not extend through, it is in contact with only one of the second grooves (24), wherein the detent hole (25) is formed as a circular hole, wherein an inclined surface (26) is provided at one end of the ratchet wheel (20) and is arranged above the first groove (23), wherein the inclined surface (26) is formed as a concave conical surface, wherein the ratchet wheel (20) has a rotating section (27) whose outer diameter is larger than the outer diameter of the ratchet section (21), wherein the rotating section (27) projects from the main body (10), and wherein the first groove (23), the inclined surface (26), and the rotating section (27) are located at the same end of the ratchet wheel (20) are arranged; wherein,if the first fitting section (22) is twelve-sided, the first fitting section (22) has a first hexagon (28) and six vertices (29), wherein two of the vertices (29) are each aligned with the two second grooves (24), wherein the first fitting section (22) has a second hexagon (291), wherein the second hexagon (291) and the first hexagon (28) are offset, forming a twelve-sided first fitting section (22), wherein the first hexagon (28) and the second hexagon (291) are offset from each other by 30 degrees; a locking element (30) having a circular cross-section, wherein the locking element (30) has two first detent sections (31) which are received on the two sides of the first groove (23), wherein the first detent sections (31) are formed as curved cylindrical bodies, wherein the locking element (30) has a locking section (32),which is received in the first groove (23) and partially protrudes from the first hexagon (28), wherein the locking section (32) connects the two first locking sections (31) and is located between them, wherein the two first locking sections (31) are symmetrical to the locking section (32), wherein the locking section (32) is designed as a cylindrical body, wherein a second locking section (33) is provided at one end of each first locking section (31), which is received in the second groove (24), wherein the second locking section (33) is perpendicular to the first locking section (31), wherein the two second locking sections (33) are symmetrical to the locking section (32) and are designed as cylindrical bodies; wherein at least one of the second locking sections (33) has a projecting clamping section (34), or each of the second locking sections (33) has a projecting clamping section (34),wherein the projecting clamping section (34) extends slightly into the area of ​​the first fitting section (22) and has a retraction elasticity, wherein the projecting clamping section (34) is located approximately at the central position of the second detent section (33) and is designed as a convex arcuate cylinder, wherein a detent end (35) is provided at a first end section of each second detent section (33), wherein the detent end (35) engages in the detent hole (25) and rests against the stop section (12), so that the ratchet wheel (20) is limited by the rotary section (27) and the locking element (30) and is rotatably arranged in the receiving space (11), wherein the detent ends (35) are perpendicular to the second detent sections (33) and are designed as a cylindrical body; a plug-in element (40) which is plugged together with the ratchet wheel (20), wherein the plug-in element (40) is removable from the ratchet wheel (20),wherein the plug-in element (40) has on the outside a second fitting section (41) which fits into the first fitting section (22), wherein the second fitting section (41) is adapted to the shape of the first fitting section (22), wherein the second fitting section (41) is elastically clamped by the projecting clamping section (34) so ​​that the second fitting section (41) cannot easily detach from the first fitting section (22), and wherein the end face of the second fitting section (41) rests against the locking section (32) or has a small distance to the locking section (32); wherein inside the plug-in element (40) a third fitting section (42) is provided which is designed as a through-opening, wherein a blocking section (43) is provided on the third fitting section (42) which is arranged on one of the surfaces of the third fitting section (42),wherein the distance between the locking section (43) and the axis of the plug-in element (40) is smaller than the distance between the other surfaces of the third fitting section (42) and the axis of the plug-in element (40), that is, the distance between the locking section (43) and the axis of the plug-in element (40) is smaller, and wherein the locking section (43) is designed as a flat projection; wherein the plug-in element (40) is provided with a third groove (44) which is arranged on the bottom of the plug-in element (40) near the opening, wherein the third groove (44) is designed as an annular groove, wherein a second rotating section (45) is provided on the bottom of the plug-in element (40) the outer diameter of which is larger than the outer diameter of the second fitting section (41), wherein the second rotating section (45) projects from the main body (10) and the ratchet wheel (20),and wherein the second rotating section (45) and the first rotating section (27) are arranged at the upper and lower ends of the main body (10), respectively; a first retaining ring (50) designed as a slightly elastic C-ring, wherein the first retaining ring (50) is received in the third groove (44), and wherein a part of the first retaining ring (50) projects into the third fitting section (42); a first connecting rod (60) having a first hexagonal section (61), wherein the first hexagonal section (61) can fit into the third fitting section (42), wherein the first retaining ring (50) elastically clamps the corners of the first hexagonal section (61) so that the first hexagonal section (61) cannot easily disengage from the third fitting section (42), wherein the first hexagonal section (61) is designed as a hexagonal cylinder, and wherein a first end section (62) is provided at one end of the first hexagonal section (61).forming a hexagonal surface, wherein the first connecting rod (60) has a pass-through section (63) arranged on one of the surfaces of the first hexagonal section (61), the extension length of the pass-through section (63) corresponding to the longitudinal direction of the first hexagonal section (61), the distance between the pass-through section (63) and the axis of the first connecting rod (60) being smaller than the distance between the other surfaces of the first hexagonal section (61) and the axis of the first connecting rod (60), the distance between the pass-through section (63) and the axis of the first connecting rod (60) being shorter, and the pass-through section (63) being flat; and wherein the first connecting rod (60) has a second hexagonal section (64), wherein, after removing the plug-in element (40), the second hexagonal section (64) can be plugged together with the first pass-through section (22).wherein the dimension of the second hexagonal section (64) is larger than the dimension of the first hexagonal section (61), wherein the second hexagonal section (64) is arranged approximately at a central position of the first connecting rod (60), wherein the incircle diameter of the second hexagonal section (64) is larger than the incircle diameter of the first hexagonal section (61), and wherein the second hexagonal section (64) is designed as a hexagonal cylinder.

This utility model discloses a practical adjustable wrench with a vertical handle, comprising a wrench body and an extension sleeve. The wrench body includes a wrench head, a fixed jaw integrally connected to the top of the wrench head, a movable jaw slidably connected to the other side of the top of the wrench head, and a handle integrally connected to the bottom of the wrench head. The extension sleeve is fitted onto the outside of the handle and is threadedly connected to the handle. A detachable handle is installed at the bottom of the extension sleeve. A connecting rod is rotatably connected inside the handle. The bottom of the connecting rod passes through the bottom of the handle and has a knob fixed at its end. The top of the connecting rod is placed inside the wrench head. A transmission mechanism is provided between the connecting rod and the movable jaw. The operation logic of installing the extension sleeve after adjusting the opening avoids the inconvenience of carrying the entire long handle into a narrow space, which is a traditional tool, and significantly improves the flexibility of initial positioning. The threaded connection structure between the extension sleeve and the handle forms a rigid whole.

The utility model provides a kind of sealing element installer and nuclear power plant overhauling equipment, wherein sealing element installer includes: screw rod, spanner seat connected to one end of screw rod, top-mounted connecting seat arranged at the other end of screw rod, nut seat threadedly connected with screw rod, multiple padlocks connected with nut seat and fixing seat connected to the one end on the end of padlock away from nut seat;Wherein, fixing seat is used to be connected with the workpiece of sealing element to be installed, spanner seat can be connected with spanner, spanner seat can drive screw rod to rotate around shaft, so that screw rod pushes top-mounted connecting seat to push sealing element into workpiece. By adopting the above technical scheme: reduce the experience and operation level requirement to operator;Ensure the sealing reliability of sealing element;Improve the accuracy of sealing element installation;Need small operating space, low operation requirement.

The utility model discloses an insulating wrench for electrical construction, and particularly relates to the technical field of insulating wrenches, which comprises a wrench body, an extension plate arranged at the bottom of the wrench body, an adjusting mechanism arranged at the bottom of the wrench body and used for adjusting the extension plate, a support plate arranged at the top end of the extension plate, a plug-in groove arranged at the bottom end of the wrench body, a plug-in rod arranged in the wrench body, the front end of the plug-in rod penetrating through the wrench body and extending out of the front side of the wrench body, a plurality of plug-in holes arranged on the support plate, and a protection mechanism arranged on the outside of the extension plate and used for electric power insulation protection. The adjusting mechanism can adjust the distance between the wrench body and the extension plate, so as to facilitate the disassembly of bolts at different positions and improve the practicability of the utility model. In addition, the wrench body can be limited by the limiting mechanism, so as to prevent the wrench body from falling during aerial work and improve the safety.

The utility model discloses an engine valve clearance combination tool belongs to frock technical field, solved the traditional method to rely on operator's experience and hand feeling, and the adjustment precision is difficult to guarantee and the operation complex and time -consuming problem. The engine valve clearance combination tool, including adjusting handle, adjusting wrench, both ends of adjusting handle are equipped with adjusting screw rod, the adjusting screw rod with adjusting handle between being equipped with conical body, the outer wall surface of adjusting handle both ends is hexagonal structure, adjusting wrench including ratchet sleeve, torque wrench, the detachable of ratchet sleeve installs one end at torque wrench, the upper portion of ratchet sleeve inner wall is equipped with with hexagonal structure's inner hexagonal structure, the lower portion of ratchet sleeve inner wall is equipped with with the outer wall surface of conical body's conical surface. The utility model discloses an engine valve clearance combination tool, effectively improves work efficiency and adjustment precision.

The utility model discloses a replaceable head fixed torque sleeve for vacuum pump locking nut relates to the technical field of dismouting tool, including sleeve body, replaceable tightening head and set screw, replaceable tightening head inboard is distributed four integral clamping jaw, on one hand through the installation positioning with sleeve body stop groove, realizes the stop of structure itself and prevents the rotation, on the other hand through the use positioning with locking nut card slot, realizes the drive with rotation in the tightening process, sleeve body outside and clamping jaw present certain angle and distribute several set screw holes, use set screw to realize the fastening and dismounting of replaceable tightening head. The integral locking nut fixed torque sleeve of present use has solved the problems, such as the easy damage of clamping jaw, the need of more root cleaning parts of cutter round angle, the big processing difficulty of clamping jaw and the high processing cost, and also solved the problems, such as the unfirm fastening mode of split locking nut fixed torque sleeve, the damage of vacuum pump locking mechanism or tool itself caused by the insufficient positioning precision.

Techniques are described for electrical equipment management. Embodiments include a method for electrical equipment refit management, comprising: receiving a selection of an order of an existing electrical equipment system to disassemble and, in response, retrieving and providing a plurality of disassembly instructions; performing an iterative disassembly process to manage the disassembly of the existing electrical equipment system. A selection of an order of a refit electrical equipment system to assemble is received and, in response, retrieving and providing a plurality of refit instructions; An iterative assembly process is performed to manage the assembly of the refit electrical equipment system. Digital artifacts of the refit electrical equipment system are recorded during performance of the plurality of refit instructions as part of the iterative assembly process. A final assembly report for the refit electrical equipment system and stored together with a unique identifier corresponding to the assembled refit electrical equipment system.

A pocket bit driver (10) that is configured to use at least a first driver bit (20A), (i) a first active bit receiver (14) that is configured includes a driver body (12) including to selectively receive and retain the first driver bit (20A), the first active bit receiver (14) being oriented in a first direction (14D) that is parallel to a body length (12L) of the driver body (12), and (ii) a second active bit receiver (16) that is configured to alternatively, selectively receive and retain the first driver bit (20A), the second active bit receiver (16) being oriented in a second direction (16D) that is it an angle relative to the body length (12L) of the driver body (12), the second direction (16D) being different than the first direction (14D). The second direction (16D) can be substantially perpendicular to the body length (12L) of the driver body (12).

A ratchet wrench device comprising: a ratchet wrench head 10 with a ratchet chamber 11 and a reversing hole 12, wherein the ratchet chamber 11 has a recess on one side of the reversing hole 12 formed in the form of a concave depression 13, a ratchet reversing control device 20 is arranged in the ratchet chamber 11 and a reversing device 30 in the reversing hole 12; wherein the ratchet reversing control device 20 comprises a cylindrical ratchet 21, a first locking block 22 and a second locking block 23, the side of the first and second locking blocks 22, 23 facing the gear teeth 210 being provided with ratchet teeth 221 and 231 respectively, and the side facing away from the gear teeth 210 being provided with a locking recess 222 and 232 respectively, the two sides of the first and second locking blocks 22, 23 being formed with an arc section 223 and 232 respectively.233 are provided, the ratchet teeth 221, 231 can be engaged with the gear teeth 210 of the ratchet 21, each locking recess 222, 232 is provided with a first and a second arc-shaped rotary section 2221, 2222 or 2321, 2322 and the two ends of each locking recess 222, 232 are each provided with a return section 2223 or 2323.2323 are provided; a fastening arrangement 40 by which the ratchet reversing control device 20 is fastened in the ratchet chamber 11; wherein the reversing device 30 comprises a switching piece 31 and two engagement locking bores 321, 322, the engagement locking bores 321, 322 each corresponding with the first and second locking blocks 22, 23, the ratchet teeth 221, 231 of the first and second locking blocks 22, 23 each being able to engage with the tooth roots 211 and the tooth flanks 212 of the corresponding gear teeth 210, the engagement locking heads 331, 332 and the engagement locking springs 341, 342 being housed in the corresponding engagement locking bores 321, 322, such that the engagement locking heads 331, 332, elastically pressed by the corresponding engagement locking springs 341, 342, are against the arc-shaped rotary sections 2221, 2222 and 2321, 2323 of the corresponding locking blocks 22 and 23 can be pressed.

A tool for use with a fastener includes a drive shaft extending along a longitudinal axis from a proximal end to a distal end. The tool includes an engaging tip extending from the distal end, the engaging tip sized and shaped to detachably engage a receiving portion of the fastener, wherein the engaging tip is rotationally fixed to the fastener when the engaging tip is engaged with the fastener. The tool includes a compressible winged member extending distally from the drive shaft, the compressible winged member moveable between compressed and uncompressed positions. In the uncompressed position, the compressible winged member spans a distance greater than an internal diameter of a portion of the receiving portion.

An adapter for connecting a tool to a threaded rod, comprising a body, a locking mechanism and a connection lock. The body preferably has one internally threaded end and one connection end opposite the internally threaded end. The locking mechanism enters the internally threaded end. The connection lock is located at the connection end and is configured to interact with a disassembly tool when the disassembly tool is connected to the connection end.

A fastener driver may include a first driver bit and a second driver bit. A fastener driver may include a handle coupled to the first driver bit, the handle and the first driver bit extending along a longitudinal axis, the handle including a base including a grip portion and a grip shank, a grip housing coupled to the grip shank, the grip housing at least partially defining a socket configured to removably receive the second driver bit, a key coupled to the grip shank, the key defining a socket aperture that at least partially defines the socket, wherein the socket extends along a second axis that is perpendicular to the longitudinal axis.