2546results about "Wrenches" 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.

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.

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.

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.

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 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.

A box-end tool structure includes a first body, a second body, two third body modules, and a fourth body. The first body is provided with a first end, a second end, two first receiving grooves, a first face, two second faces, and a first slot. The second body is mounted on the first body and provided with a first mounting portion and two third faces. The two third body modules are moved in the first slot linearly and simultaneously to be close to or away from the second body. One of the third body modules is mounted on the first end, and the other one of the third body modules is mounted on the second end. Each of the third body modules includes a first locking member, a second locking member, a first elastic member, and a first push member.

The invention relates to the technical field of electric tools, in particular to an electric wrench which comprises an electric driving part, a rotating part, a limiting part and at least two clamping parts, and the electric driving part is in transmission connection with the rotating part; the rotating part and the limiting part are coaxially arranged and can rotate relatively, the rotating part and the limiting part are correspondingly provided with functional notches, the rotating center of the rotating part and the rotating center of the limiting part are located in the functional notches, the rotating part is provided with at least two guide grooves in the side portions of the functional notches, and the limiting part is provided with at least two sliding grooves in the side portions of the functional notches. The sliding groove extends towards the rotating center and penetrates through the functional notch. The clamping parts are installed in the sliding grooves in a sliding mode and comprise protruding shafts, the protruding shafts are installed in the guide grooves in a sliding mode, and when the rotating part rotates relative to the limiting part, the rotating part drives the clamping parts to move in the direction close to or away from each other; when the clamping parts move to the limiting position in the direction close to or away from each other, the rotating parts and the limiting parts rotate synchronously. The electric wrench can replace manpower, and efficient and stable tightening operation is achieved.

The active clamping type fastener anti-disengaging electric wrench comprises an electric tool body and a wrench sleeve, an output shaft is arranged at one end of the electric tool body, the wrench sleeve is assembled on the output shaft, and the wrench sleeve comprises an outer cylinder body and a driving block arranged in the outer cylinder body in a sliding mode in the axial direction; a movable section allowing the driving block to move front and back and a limiting section for axially limiting the driving block are arranged in the outer barrel, a clamping assembly is embedded in the inner wall of the movable section, and when the driving block is pushed by an external fastener to move to the limiting section, the clamping assembly is pushed outwards to clamp the fastener. According to the active clamping type fastener anti-disengaging electric wrench, the technical problems that an existing electric wrench enables a fastener to slip easily, and the fastener can fall out of a sleeve due to the fact that the fastener cannot be actively clamped are solved.

The utility model relates to the field of tightening and locking, in particular to a tightening tool internally provided with two groups of torque sensors and a verification-free method, the tightening tool further comprises a dynamic torque sensor and a static torque sensor, a power device is arranged on the static torque sensor, and counter-acting force provided by an external source is transmitted to the power device through the static torque sensor. The power device provides torsion for the output end through the dynamic torque sensor; in order to solve the problem that the torsion is abnormal but not known, a novel detection mode is used, the detection mode is that more than two torque sensors are utilized to respectively measure the torque on the power device and the torque on the output end, and then the two torque values are compared, so that the torque on the power device and the torque on the output end are detected. If the torque is outside the threshold value range, the problem that the torque accuracy is reduced exists on the power device or the output end, and according to the mode, the effect of real-time monitoring is achieved, and therefore the problem that the torque is abnormal and not known is solved.

An ergonomic manual driver includes a handle having ergonomic recesses. A manual driver includes an elongated shank and a handle. The elongated shank extends along a shank axis. The handle includes a handle body attached to the elongated shank. The handle body includes a proximal portion, a middle portion, and a distal portion. The middle portion includes middle portion pyramid-shaped recesses, distal portion faceted recesses, and / or proximal portion faceted recesses.

A torque wrench for adjusting sound, comprising a plastic handle, and further comprising: a main pipe, and a ratchet actuating component and a rotation limiting assembly arranged on the main pipe, wherein one end of the main pipe is rotatably connected in the plastic handle; the rotation limiting assembly comprises a plurality of sink grooves evenly arranged in an annular manner on a side wall of the main pipe, and the rotation limiting assembly is configured to limit rotation of the plastic handle relative to the main pipe; the ratchet actuating component is configured to rotate a bolt, and the rotating plastic handle adjusts the preset torque of the actuating component; a placement hole is arranged on a side wall of the plastic handle, and a first steel ball and a small spring are arranged in the placement hole.

A filter tool and method of removing a filter includes a socket head and a plurality of teeth. The socket head has a proximal end portion, a distal end portion, and an outer wall at least partially surrounding a longitudinal axis and defining a hollow configured to receive at least a portion of a housing of the filter. The plurality of teeth are configured to grip the housing of the filter and further define the hollow. The plurality of teeth are angularly positioned about the longitudinal axis and extend radially inward from the outer wall toward the longitudinal axis and further extend longitudinally toward the proximal end portion. The hollow thus narrows toward the proximal end portion for rotatably gripping the housing of the filter received therein and removing the filter from a filter mount.

A wrench angle adjusting structure comprises a wrench handle body, a working head and a clamping unit, a first convex lug and a second convex lug which are symmetrical are arranged at one end of the wrench handle body, a pivoting space is formed between the first convex lug and the second convex lug, and the first convex lug and the second convex lug are provided with a shaft hole and a braking hole which are parallel to each other; the working head is bolted in the pivoting space in a swinging manner by matching a pivoting lug with a shaft bolt, and an arc-shaped clamping part is arranged at the end edge of the pivoting lug; the clamping unit is contained in the braking hole and provided with an elastic piece and a switching control column, the outer diameter face of the switching control column is provided with an idling section and a clamping section in a concave mode, the idling section and the clamping section are arranged on the outer diameter face of the switching control column, a limiting wall is further formed close to the clamping section, and angle adjustment and positioning of the working head are further controlled by pressing or not pressing of the switching control column.

The utility model relates to the technical field of hardware tools, in particular to a double-opening wrench with a lubricating function, which comprises a double-opening wrench body, a reserved opening is arranged on the surface of the double-opening wrench body, mounting grooves are arranged at two ends of the reserved opening, and oil absorption cotton blocks are inserted into the mounting grooves. Oil seepage grooves are formed in openings in the two ends of the double-opening wrench body, oil seepage holes are formed in the surfaces of the oil seepage grooves, and the oil seepage holes communicate with the mounting groove; the lubricating oil supply device has the beneficial effects that by pushing the push rod, the piston plate extrudes the oil absorption cotton block, absorbed lubricating oil seeps into the oil seepage groove through the oil seepage hole, and automatic supply of the lubricating oil is achieved. In this way, operation is easy and convenient, it can be guaranteed that the wrench is always kept in a good lubricating state in the using process, and therefore the working efficiency is improved.

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.

A method is provided for determining a torque value of a torque applied by an electronic torque wrench that includes a handle, a square drive and a strain gauge. The method includes measuring an angular velocity and a normal acceleration of the handle as the handle is rotated relative to the square drive, and finding a length of a moment arm from the square drive to the handle based on the angular velocity and the normal acceleration. The method includes measuring a bending moment of a rotational force at the strain gauge that is located at a known distance from the handle, the bending moment measured as the rotational force is applied at the handle that produces the torque at the square drive. And the torque value is determined based on the bending moment, the length of the moment arm and the known distance.

A fastener setting tool for installing a fastener into a board structure, comprising a tool body having a bottom surface and a longitudinal axis; a spacer assembly, comprising a first abutment member, having a first engagement surface, and a second abutment member, having a second engagement surface opposingly spaced apart from said first engagement surface, each one of said first and second abutment member extending away from and in a direction normal to said bottom surface of said tool body, said spacer assembly being configured to cooperatingly positioningly engage the board structure; at least one fastener guide operably coupled to any one of said first and second abutment member, and configured to guidingly receive a fastener for the board structure; and a spacer adjustment mechanism, adapted to selectively lockingly move at least one of said first and second abutment member in a direction along said longitudinal axis.

The invention relates to combined equipment and method integrating press fitting, gluing and tightening. The combined equipment comprises a rack, and a press fitting station, a gluing station and a tightening station are sequentially arranged on the rack; a workpiece positioning device is arranged on each station; the first press-fitting mechanism is arranged on the press-fitting station; the second press-fitting mechanism is arranged at the gluing station; the gluing mechanism is arranged at the gluing station; the clamping mechanism is arranged on the gluing station; the bolt tightening mechanism is arranged at the tightening station; the code scanning devices are arranged at the stations and used for reading the two-dimensional codes on the workpiece bodies. The error-proofing detection system comprises a stainless steel ring detection sensor arranged at a press-fitting station, and a plastic part detection sensor and a bent pipe detection sensor which are arranged at a gluing station; and the control system is electrically connected with the press-in force sensor, the tightening torque sensor, the code scanning device, the mistake-proofing detection system and the execution mechanisms. According to the invention, multi-process integration, whole-process data tracing and multiple mistake-proofing interlocking can be realized, and the product quality stability and the production flexibility are improved.

The invention relates to the technical field of oil pipe wrenches, and particularly discloses an anti-skid oil pipe wrench suitable for an oil contamination environment, which comprises a fixed base, an upper clamping plate is slidably connected to the side surface of the fixed base, an upper handle is fixedly connected to the side surface of the fixed base, and a clamping device is fixedly connected to the center position of the side surface of the fixed base. A lower clamping plate is slidably connected to the position, located below the upper clamping plate, of the side face of the fixing base, an upper supporting base is rotatably connected to the bottom of the fixing frame, an upper sliding strip is fixedly connected to the position, located on one side of the upper supporting base, of the bottom of the fixing frame, and an upper rack is fixedly connected to the center of the bottom of the upper base; the side face of the upper base is slidably connected with the side face of the fixed base, the side face of the upper rack is meshed with the side face of the clamping device, and the anti-skid oil pipe wrench suitable for the oil contamination environment achieves the purpose of preventing grease from sliding and being difficult to rotate.

When a sidewall sprinkler head is connected to a water pipe, the adjustment of the position of the sidewall sprinkler head having a deflector can be made more easily. A protective cap is configured to be mounted on or demounted from a sidewall sprinkler head having a deflector. The protective cap is formed as a tubular member configured to accommodate the sidewall sprinkler head. The tubular member includes tongue portions serving as an engagement portion and a second flat surface serving as an alignment indicator for accessory. The tongue portions serving as the engagement portion are configured to engage recesses 18 of the sidewall sprinkler head so as to turn together with the sidewall sprinkler head. The second flat surface serving as the alignment indicator for accessory is configured to indicate the positional state of the deflector.

Position sensing related to a component within a power tool. The component within the power tool is, for example, a hammer of an impact mechanism and can include one or more sensible features that allow a controller of the power tool to precisely determine the position, speed, and acceleration of the component. One or more sensors can be used to determine the rotational position of the hammer and the axial position of the hammer. The rotational position of the hammer can then be used to calculate, for example, rotational speed and acceleration of the hammer. With precise determinations of the rotational and axial position of the hammer, the controller of the power tool is able to precisely time the impact between the hammer and the anvil to optimize the impact between the hammer and the anvil (e.g., to maximize energy transfer between the hammer and the anvil).

An electric tool system includes an electric tool device and a history storage unit. The electric tool device includes a holder, a drive unit, a measuring unit, and an image capturing unit. The holder holds a fastening member thereon. The drive unit performs fastening work of fastening the fastening member into a work target by transmitting driving force to the holder. The measuring unit measures, as a torque measured value, a fastening torque value of the fastening work. The image capturing unit generates a captured image by capturing an image of at least the holder. The history storage unit stores history information in which the torque measured value and the captured image are associated with each other.

The present disclosure is directed to devices, kits, and methods for treating lumbar spinal stenosis by at least partially decompressing a compressed nerve root. The method can include identifying the compressed nerve root and percutaneously accessing a region of a lamina located adjacent to the compressed nerve root. The method can also include forming a channel through the region of the lamina, wherein the channel can be formed medial to a lateral border of the lamina. Further, the method can include expanding the channel in a lateral direction.