3948results about "Wrenches" patented technology

An insertion tool is provided. The tool includes a flexible section comprising a plurality of rigidizable links, an end effector actuator, and an end effector coupled to the flexible section. A flexible is shaft inserted through the flexible section, wherein torque is transferred from the end effector actuator to the distal end via the flexible shaft to cause a rotation of the end effector. A tool may include a tool-less disconnect interface between the end effector and the flexible shaft.

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.

An impact tool includes a controller configured to control power being delivered to the and operable in one of: (a) a normal mode where the controller allows power to be delivered to the motor so that the impact mechanism transitions from operation in the rotary mode to operation in the impacting mode when an output torque exceeds a normal transition torque; and (b) a control mode where the controller controls power being delivered to the motor so that the impact mechanism transitions from operation in the rotary mode to operation in the impacting mode when an output torque exceeds a control transition torque that is greater than the normal transition torque.

A powered ratchet tool includes a housing and a motor disposed within the housing. The motor has an output shaft rotatable about a first axis. The powered ratchet tool further includes a ratchet mechanism supported by the housing and operably coupled to the output shaft to be driven by the motor. The ratchet mechanism has a crankshaft assembly defining a variable crank radius configured to change an extent of each rotational stroke of the ratchet mechanism. Moreover, the powered ratchet tool includes an output drive operably coupled to the ratchet mechanism to be rotated about a second axis perpendicular to the first axis.

Power tools described herein include an electric motor, a driver blade, a trigger switch, a safety switch, and an electronic controller. The electronic controller is connected to the electric motor, the trigger switch, and the safety switch. The electronic controller is configured to initiate a retraction cycle by controlling the electric motor to move the driver blade from a first position to a second position, determine a position of the driver blade during the retraction cycle, initiate, in response to the position of the driver blade exceeding a first threshold, a braking cycle at the electric motor, and abort, in response to detecting a first activation of the trigger switch and a second activation of the safety switch, the braking cycle.

A tool includes an elongated shaft and a socket positioning assembly disposed on the shaft. A rear end portion of the shaft is configured to be mounted for rotation by a hand tool or a power tool. The shaft is configured to support a first socket and a second socket. Each socket is selectively positionable on the shaft in either a use configuration or in a storage configuration. The socket positioning assembly includes a socket support member configured to support the first socket in its use configuration proximate the front end portion of the shaft, and a socket retainer configured to retain at least the second socket in its storage configuration on the shaft. The storage configuration is between the socket retainer and the rear end portion of the shaft. The socket retainer is positioned between the first socket and the second socket.

There is provided a driving tool driven by air pressure of compressed air. The driving tool includes: a driving cylinder to which compressed air is supplied; a driving piston configured to move in an up-down direction inside the driving cylinder by the supplied compressed air; a driver attached to the driving piston and configured to move in the up-down direction; and a guide portion provided on a lower side of the driving cylinder. The guide portion has a guide hole through which the driver passes and an exhaust hole that allows an inside of the driving cylinder to communicate with an outside of the driving tool. The exhaust hole is provided at a position separated outward from an inner peripheral surface of the guide hole.

A tool adapter assembly, such as, for example, a socket or socket adapter, having drive, center, and work bodies. The drive body and the work body can be adjusted in a number of positions / angles relative to one another by a user. The tool adapter assembly includes components adapted to retain a set / desired position / angle of the drive body and the work body relative to one another.

A clamp assembly configured to hold a battery in place and configured to interface with a wheel locknut wrench. The clamp assembly balances preventing unwanted movement or displacement of the battery without overly complicating the process of tightening or loosening the clamp assembly. Furthermore, the number of component parts is reduced by eliminating the need for separate wrenches for the wheel locknuts and the clamp assembly.

A torque wrench calibration automation system comprises: a body part; a handle rotation drive part; and a handle push drive part, wherein the body part includes a calibrator that collects data, transmits the data, and receives control signals, a head fixing part that fixes the position of a head part of a torque wrench, a body part base with a flat top surface, and a handle base that moves linearly from the top of the body part base; the handle rotation drive part includes a handle rotation motor installed on the handle base of the body part, and a handle rotation module connected to the front end of the handle rotation motor and rotating the handle part of the torque wrench; and the handle rotation module includes an air pressure supply part that provides air pressure required when mounting or dismounting the handle part of the torque wrench.

Expandable spinal implants, systems and methods are disclosed. An expandable spinal implant may include a first endplate, a second endplate, and a moving mechanism that is operably coupled to the first and second endplates. The moving mechanism may include a wedge, a first sliding frame and a second sliding frame disposed on opposite sides of the wedge, a screw guide housing a rotatable first set screw and a rotatable second set screw opposite the first set screw. The first set screw may be operably coupled to the second sliding frame and the second set screw may be operably coupled to the wedge. The moving mechanism may operably adjust a spacing between the first and second endplates upon simultaneous rotation of the first and second set screws and operably adjust an angle of inclination between the first and second endplates upon translating the first set screw or second set screw.

The invention discloses intelligent bolt fastening equipment which comprises a fixing mechanism, a translation mechanism, a shifting mechanism, a wrench floating mechanism, a wrench assembly, a sleeve measuring device and an optical switch assembly. Wherein the fixing mechanism is used for fixing the whole bolt fastening equipment on a device to be fastened; the translation mechanism is fixed on the fixing mechanism, the turning mechanism is fixed on the translation mechanism, the wrench floating mechanism and the sleeve measuring device are fixed on the turning mechanism, the wrench assembly penetrates through the wrench floating mechanism and the turning mechanism, and the sleeve measuring device measures whether a bolt sleeve at the tail end of the wrench assembly is matched with a to-be-fastened bolt or not; the translation mechanism drives the turning mechanism, the wrench floating mechanism, the wrench assembly and the sleeve measuring device to move up and down, and the optical switch assembly triggers and measures the displacement of the up-and-down movement. The bolt fastening device is wide in application range, high in bolt fastening precision and accuracy and long in service life.

An engagement structure of a ratchet wrench, the ratchet wrench contains: a body which including a drive head, a ratchet portion, and the engagement structure. The engagement structure includes a through orifice, a first defining notch, a second defining notch, a receiving notch, and a spring. An abutting member includes a first arcuate cutout, a coupling column, a locking orifice, and a first limitation protrusion. A retainer is mounted on the through orifice and includes a second arcuate cutout, a connection trough, a passing aperture, and a second limitation protrusion. When the abutting member is received in the through orifice, the first limitation protrusion is engaged in the first defining notch, the coupling column is connected with the connection trough, and a locking element is locked with the locking orifice. The second limitation protrusion is engaged in the second defining notch, and the spring abuts against the coupling column.

The invention discloses stepless variable-pitch tightening equipment special for aviation equipment nuts. The stepless variable-pitch tightening equipment comprises a tightening machine, a horizontal posture adjusting mechanism, a length-adjustable tightening arm mechanism, a rotary posture adjusting and floating buffering mechanism, a screwing motor, a screwing motor support, a nut tightening force transmission sleeve, a wrench stepless variable-pitch executing mechanism, a nut screwing wrench, a force transmission shaft and a three-channel flexible cable traction mechanism. Under the condition that the basic function of nut tightening is not changed, tightening equipment is endowed with stepless pitch-variable capacity, even if nut mounting points in a cavity are not uniformly distributed in the circumferential direction or the radial sizes of different positions are different, the radial position of the nut tightening wrench can be dynamically changed through stepless pitch-variable adjustment, and the nut tightening effect is improved. According to the nut tightening wrench, the nut screwing sleeve on the nut tightening wrench can accurately move to any nut mounting point position, so that nut tightening work at different positions in the cavity can be smoothly completed, the use scene of tightening equipment is further expanded, and the application range of the tightening equipment is greatly widened.

The disclosure includes a connection method to connect a shaft to a body. The body and movable latch may be an integral single molded plastic part connected by a flexible hinge, bushing, or a multipart hinge. In operation actuating the movable latch to raise or lower a latching beak within a corresponding open guide in the plastic body. A shaft into a shaft guide in the body which intersects the beak guide to temporarily latching the shaft to the body via a mounting fixture the shaft with the beak; and, wherein the body has a face end and a tail end.

A power tool includes a main housing, a drive mechanism, a working head, and a connection assembly. The connection assembly includes an input portion connected to the drive mechanism and an output portion connected to an output shaft. The connection assembly rotates the working head about a first axis relative to the main housing. The power tool includes a first transmission path. When the working head rotates about the first axis relative to the main housing, components in the first transmission path are allowed to deform or to be displaced along a direction of the first transmission path.

An angle fastening tool includes a handle extending in a front-to-back direction, a motor housing located in front of the handle, a motor located inside the motor housing, a spindle located in front of the motor, extending in a direction crossing the front-to-back direction, and rotated by the motor, a housing that houses the spindle, a tool accessory holder projecting downward from a lower surface of the housing and rotated by the spindle, and a trigger lever provided to project downward from a lower surface of the handle. A lower end of the trigger lever is located at a position closer to a lower surface of the motor housing than to a lower end of the tool accessory holder in an up-down direction.

The utility model provides a special spanner with an anti-falling structure, which relates to the technical field of special spanners, and comprises a handle, spanner rectangular openings are respectively arranged on two sides of the handle, anti-falling mechanisms are arranged at the upper end and the lower end of the handle, each anti-falling mechanism comprises a placing groove, the placing grooves are arranged on the surfaces of the upper side and the lower side of the handle, and the handle rectangular openings are arranged on the placing grooves. Connecting belts are movably mounted in the containing grooves correspondingly. When a user uses the wrench, the connecting belt can be pulled upwards through the groove, so that the connecting belt is tightly attached to the hand skin of the user through pushing of the spring, the connecting belt can disperse the hand stress of the user, the hand fatigue feeling caused by long-time operation is reduced, and the safety of the user is improved. Meanwhile, the connecting belt is matched with the non-slip mat, so that the friction degree between the hand of the user and the handle is improved, the situation that the hand of the user slips off the handle is avoided, and the working process is more stable and safer.

The invention relates to the technical field of intelligent tools, and particularly provides a torque-adjustable electric screw driver and a control method of the electric screw driver. The control method comprises the steps that in response to a motor starting instruction, a state reference value used for judging the torque state of an output shaft is obtained in real time, the state reference value comprises rotation speed and angular displacement data; a comparison result of the state reference value and a theoretical value is obtained, whether the comparison result is larger than a preset stalling threshold value or not is judged, and if yes, an adjusting button starting instruction is output; and judging whether a difference value between the state reference value and the theoretical value is smaller than a preset normal threshold value or not, and if yes, outputting an adjustment stop instruction. According to the application, the user experience and the working efficiency can be remarkably improved, and particularly, accurate torque matching can be realized when the torque needs to be accurately controlled or under an unknown resistance working condition, so that screws or materials are prevented from being damaged.

A fitting nut made of a resin material includes: a hollow, large-diameter tube portion having a female thread formed on its inner peripheral wall; and a small-diameter tube portion that is continuous to the large-diameter tube portion and having a hollow cylindrical shape with a smaller diameter than the large-diameter tube portion. The small-diameter tube portion includes, in the outer peripheral wall thereof, a plurality of engagement grooves that are depressed inwardly in the diameter direction of the small-diameter tube portion and extend along the longitudinal direction that is orthogonal to the diameter direction.

A ratchet tool having a head having a first cavity is adapted to receive a cover plate and a second cavity. An aperture extends between the first cavity and the second cavity. Disposed in the first cavity is a ratchet gear and a pawl. A selector switch disposed in the second cavity and moves the pawl between a first position and a second position. A retaining clip retains the selector switch in the second cavity. The retaining clip extends into the first cavity. The pawl includes a first extended portion and a second extended portion extending from a lower end of the pawl. At least a portion of the retaining clip is disposed between the first extended portion and the second extended portion. The first extended portion and the second extended portion contact the lower surface of the first cavity. An upper end of the pawl contacts the cover plate.

The invention relates to a wrench device for eliminating a gap, and belongs to the field of fastener assembly. Comprising a telescopic mechanism, a limiting mechanism, a base and a gear sleeve ring, the axial direction of the gear sleeve ring is perpendicular to the axial direction of the telescopic mechanism, a sleeve hole is formed in the gear sleeve ring in the axial direction of the gear sleeve ring, one end of the telescopic mechanism is rotatably installed at one end of the base, and the other end of the telescopic mechanism is arranged in the gear sleeve ring. One end of the limiting mechanism is rotatably installed on the base, the other end of the limiting mechanism is meshed with or separated from the gear lantern ring, the telescopic mechanism movably penetrates through the limiting mechanism and the gear lantern ring, and the gear lantern ring is rotatably installed at the other end of the base. The clearance between the gear lantern ring and the to-be-tightened bolt cap can be eliminated, and then the bolt cap can swing and be tightened in a small-amplitude mode in a small-swing space.

A nut adapted to disengage with a threaded bolt, the nut comprising a base portion integrally formed to a top portion. The nut includes a bore positioned along a central axis through the base portion and the top portion, wherein the top portion is tapered between circumference of the base portion and the bore of the top portion. The tapering is at an angle between 0° to 45° relative to the diameter of the base portion; the base portion comprises at least two cavities, wherein the at least two cavities extend vertically into the base portion.

A hand tool operation management apparatus includes a hand-tool-state sensing unit, a wireless communication unit, a microcontroller, and a warning unit. A wireless apparatus generates a predetermined value wireless signal including a plurality of predetermined values and wirelessly transmits the predetermined value wireless signal to the wireless communication unit. The wireless communication unit converts the predetermined value wireless signal into a predetermined value wired signal and transmits the predetermined value wired signal to the microcontroller. The hand-tool-state sensing unit senses a state of a hand tool to obtain a hand-tool-state value and transmits the hand-tool-state value to the microcontroller. The microcontroller compares the hand-tool-state value with the predetermined values. When the hand-tool-state value reaches the predetermined values, the microcontroller drives the warning unit to display or send out a warning signal, or the microcontroller informs the wireless apparatus to display or send out an alerting signal.

The present invention provides a fastener alignment guide comprising a generally planar body and an angled element arranged at an acute angle θ to the body, a first aperture arranged through the angled element and a second aperture arranged through the body, wherein the first aperture and the second apertures are aligned such that a fastener may be inserted progressively through the first and second apertures in use. The present invention also provides a slip-resisting fastener alignment guide comprising a body at least partially arranged in a first plane, the body comprising a first aperture for receiving, in use, at least a portion of a shank of a fastener; and a guidewall extending out of the first plane for guiding the fastener, in use, into the first aperture at an acute angle α to the first plane, wherein the guidewall comprises a first bearing edge or surface upon which an underside of a head of the fastener can bear in use, the body further comprises a second bearing edge or surface upon which the underside of the head of the fastener can bear in use, and the first bearing edge or surface and the second bearing edge or surface are each configured / arranged to resist movement, in use, of the fastener alignment guide relative to the fastener in a first direction parallel to the first plane.The present invention also provides a method of forming the fastener alignment guide and slip-resisting fastener alignment guide.

An anti-slip fastener remover tool includes a torque-tool body, a plurality of paired engagement features, and a plurality of intersection points. The plurality of paired engagement features that grips the lateral surface of the stripped fastener head is radially positioned around a rotation axis of the torque-tool body. The torque-tool body is inwardly extended from an outer wall of the torque-tool body to the plurality of paired engagement features. Each paired engagement feature comprises a first engagement feature and a second engagement feature. The first engagement feature and the second engagement feature each comprise a bracing section, a cavity section, and a connector section. The cavity sections of the first and second engagement features are adjacently connected to each other. The bracing sections of the first and second engagement feature are oppositely positioned about the cavity sections of the first and second engagement features.

The utility model discloses an adjustable spanner with the function of quickly loosening and tightening a bolt, and relates to the technical field of adjustable spanners. The device specifically comprises a main rod, a storage groove is formed in the outer wall of one side of the main rod, an expansion assembly is rotationally connected into the storage groove, a rotating seat is fixedly connected to the outer wall of the top of the main rod, a machine shell is rotationally connected to the top of the rotating seat, a machine cover is fixedly connected to one side of the machine shell, and a quick loosening and tightening mechanism is arranged in the machine shell. A bolt sleeve is clamped to the end of the quick loosening and tightening mechanism, and the quick loosening and tightening mechanism comprises a fan-shaped groove, an adjusting rod, a first rotating shaft, a handle, a twisting cover, an adsorption groove, a ratchet wheel, a clamping base, a fixing base, a conical spring, a second rotating shaft, a clamping rod, an adjusting block, a screw rod, a rotating hole, an inserting hole and a through hole. According to the utility model, the problem that the dismounting and fixing work cannot be completed due to narrow space or insufficient distance during maintenance is solved, and the application range of the whole device is expanded.

An electric power tool includes a handle extending in a front-to-back direction, a motor housing disposed in front of the handle, a motor disposed inside the motor housing and having a stator and a rotor, the rotor being rotatable with respect to the stator, a bevel gear configured to rotate integrally with the rotor and having a shaft extending in the front-to-back direction, a spindle rotated directly or indirectly via the bevel gear and extending in a direction crossing the front-to-back direction, a tool accessory holder rotated by the spindle, a housing accommodating the bevel gear and the spindle, and a bearing held by the housing and configured to hold the bevel gear so as to be rotatable.

An anvil for an impact tool including an impact receiving portion at an end of the anvil, the impact receiving portion including a lug having an impact receiving surface that receives impact from a hammer of the rotary power tool, a shank portion extending from the impact receiving portion, a drive portion located at an end of the shank portion opposite from the impact receiving portion, the drive portion including a plurality of drive surfaces configured to engage a tool bit, and a hardened layer formed on at least one of the drive portion or the impact receiving surface, the hardened layer having a higher hardness than a remaining portion of the anvil. The hardened layer is formed by a heating process.