6057results about "Wrenches" patented technology

A power tool includes a housing, a motor being controlled to run at a speed between 15,000 rpm and 32,000 rpm, an output spindle, a rotary impact assembly configured to transmit rotational motion with intermittent rotational impacts from a cam shaft to the output spindle, a hammer of the rotary impact assembly having an inertia between 400 kg·mm2 and 3,000 kg·mm2, and a single stage compound planetary transmission including a first planet gear meshed with a sun gear and a second planet gear meshed with a ring gear, the compound planet gear being carried by a planet carrier to achieve a gear reduction ratio between 14:1 and 30:1. The power tool is configured to achieve a fastening torque of at least 900 foot-pounds (a) in a time of less than 3.5 seconds, and / or (b) with an input energy of less than 2,500 Joules.

A tool (1) and a method for assembling and / or for disassembling a sanitary insert part (2), in particular a sanitary outflow orifice (3), are provided. Here, the tool (1) is designed with a latching element (4) and / or mating latching element (5) for a preferably releasable and / or captive connection (6) to the sanitary insert part (2).

One or more settings of a power tool device can be automatically adjusted based on a location of the power tool device relative to a work object. Work object data that indicate a work object type for the work object can be determined, and work location data can be determined based on the work object data. The work location data indicate work locations on the work object where a power tool device action is to be performed. A position of the power tool device is also determined. An electronic controller can determine a power tool device setting corresponding to the power tool device action to be performed at the work location nearest to the power tool device position. The power tool device setting is transmitted to the power tool device by the electronic controller, where the power tool device setting indicates an operating parameter of the power tool device.

The ratchet mechanism comprises a head portion with a circular central housing, the inner surface adjoining the handle portion having a further recess characterized by a plurality of engagement ramp profiles arranged not unlike low angled gear teeth within the recess arc. A pawl is located within the recess, with a corresponding plurality of engagement ramp profiles abutting the recess engagement ramp profiles and incorporating an inner facing toothed face of similar corresponding pitch and profiles as the drive element teeth in order that they can mechanically mesh into one another when ratchet is operated in the drive direction, the pawl inward force being substantially evenly distributed along the pawl toothed front face by the use of several similar engagement ramp profiles urging all the pawl teeth into the required locking engagement with the drive element simultaneously.

A power tool includes a motor, an output part, a housing, a control circuit board, and a panel. The motor includes a rotor rotatable about a motor rotation axis extending in a front-rear direction. The output part is disposed forward of the motor and is rotated by a rotational force of the rotor. The housing includes: a motor housing part that houses the motor; a grip part that extends downward from the motor housing part; and a battery holding part that is connected to a lower end of the grip part. The control circuit board is housed in the grip part and is configured to control the motor. The panel is disposed at a rear portion of the battery holding part and is manipulated to change a control method of the motor.

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.

A hand-held power tool is configured to receive an input indicative of a clutch setting for an electronic clutch from the tool operator, where the clutch setting is selectable from a drill mode, an automated drive mode and one or more user-defined drive modes. Each of the user-defined drive modes specifies a different value of torque at which to interrupt transmission of torque to the output spindle. In an automated drive mode, the controller interrupt torque to the output spindle in an automated manner when a fastener being driven reaches a desired stopping position. In a selected one of the user-defined drive modes, the controller sets a value of a maximum current threshold in accordance with the selected one of the user-defined drive modes and interrupts torque to the output spindle when current measures exceeding the maximum current threshold.

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 fastening device for keeping at least first and second parts assembled, the fastening device comprising a tubular body passing through the first and second parts, an expansion nut and a screw that is seated in the tubular body and cooperates with the expansion nut. To facilitate the removal of the fastening device, the screw has at least one shape, such as a recess positioned on the transverse face thereof, to prevent it from rotating using a first tool, and the expansion nut has at least one shape, such as a flat, to unscrew it using a second tool. Also an assembly comprising at least one such assembly device as well as a removal method.

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.

A power tool including a housing, a brushless direct current (DC) motor, an impact mechanism including a hammer and an anvil, an output drive device, a position sensor, and a controller. The position sensor is adjacent to a relief feature, which may be a recessed relief feature or a raised relief feature, and is configured to generate an output signal indicative of a position of the anvil. The controller is configured to calculate a drive angle based on the determined position of the anvil, and control the brushless DC motor based on the drive angle of the anvil.

A reversible, multiple-bit, hand tool for driving threaded fasteners and nuts includes a handle and a reversible tool holder assembly. The reversible tool holder assembly is insertable into the handle in either of two orientations to present two different ends provide multiple different configurations for driving different types of threaded fasteners and nuts. The reversible tool holder assembly includes a reversible adapter barrel, a first tool holder, a second tool holder, a first reversible bit holder, and a second reversible bit holder. Each of the tool holders can be selectively used as a nut driver with the holder assembly inserted in either orientation in the handle or can be removed from the adapter barrel and used separately as a power bit driver or a power nut driver (PND) that is received in any conventional chuck of a powered rotary tool.

The invention relates to the technical field of intelligent calibration, and discloses an intelligent calibration recognition method, device and equipment for an electric screwdriver head of an intelligent electric screwdriver and a storage medium, and the method comprises the steps: carrying out the data collection and feature extraction of the electric screwdriver head, and obtaining a feature data set; writing the equipment identification code and the feature data set into a storage chip of the electric screwdriver; constructing a projection neural network for back propagation training to obtain an intelligent calibration recognition model; when the electric screwdriver head is connected with a host, the equipment identification code and the feature data set in the storage chip are transmitted to the host; inputting the real-time working parameters and the feature data set into an intelligent calibration recognition model for parameter recognition and Kalman filtering calibration to obtain filtered calibration parameters; and judging a deviation value between the filtered calibration parameter and the initial calibration parameter, when the deviation value exceeds a preset threshold value, writing the filtered calibration parameter into the storage chip, and updating the calibration coefficient of the host, thereby solving the problem of inaccurate torsion caused by mixed use of the electric screwdriver heads.

A power tool includes a working portion with a motor housing enclosing a motor, a handle portion including a handle housing, a connecting member having a first end coupled to the handle housing and a second end coupled to the motor housing, and a vibration damping structure configured to reduce transmission of vibration from the motor housing to the handle housing.

A power tool includes a housing, a motor being controlled to run at a speed between 15000 rpm and 32000 rpm, an output spindle, a rotary impact assembly configured to transmit rotational motion with intermittent rotational impacts from a cam shaft to the output spindle, a hammer of the rotary impact assembly having an inertia between 400 kg·mm2 and 3000 kg·mm2, and a single stage compound planetary transmission including a first planet gear meshed with a sun gear and a second planet gear meshed with a ring gear, the compound planet gear being carried by a planet carrier to achieve a gear reduction ratio between 14:1 and 30:1. The power tool is configured to achieve a fastening torque of at least 900 foot-pounds (a) in a time of less than 3.5 seconds, and / or (b) with an input energy of less than 2500 Joules.

Systems and methods for providing an adaptive nut removal mode in a power tool. The power tool includes a housing and a motor. The motor includes a rotor and a stator. The stator includes a plurality of stator windings. A power switching circuit is configured to provide a supply of power from a power source to the motor. An electronic controller is configured to control the power tool to remove a fastener from a joint. The electronic controller is configured to monitor a torque of the motor, determine whether the torque of the motor is equal to or less than a threshold torque value, operate, when the torque is greater than the threshold torque value, the motor in an loosening mode while the torque of the motor decreases, and increase, when the torque is equal to or less than the threshold torque value, a speed of the motor.

The invention relates to an intelligent torque feedback and self-adaptive adjustment method and device and computer equipment, and the method comprises the steps: monitoring an actual torque value applied by an electric torque wrench in real time through a torque sensor; a preset target torque value is obtained, and the motor output torque of the electric torque wrench is automatically adjusted according to the target torque value and the actual torque value until the actual torque value reaches the target torque value; when the actual torque value reaches the target torque value, the electric torque wrench is controlled to be shut down, the current working condition is reported, and the working condition comprises the target torque value, the time for reaching the target torque, the number of times of completion and the number of times of failure, so that in the actual large-bolt fastening operation, the large-bolt fastening efficiency is improved. Through intelligent control, accurate torque adjustment, operation data recording and remote management, the purpose of improving operation efficiency and safety is achieved.

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 locking structure for screwdrivers, characterized by the fact that it includes: a main body; a spindle rotatably connected to the main body, the spindle having a tool-holding device at an end opposite the main body and a locking assembly connected to the spindle; an actuating arrangement fitted over the outer periphery of the spindle and slidably connected to the spindle, the actuating arrangement comprising a detachably connected drive bushing and a fixed bushing; the actuating arrangement having a locked state and an unlocked state; wherein, in the locked state, the actuating arrangement is connected to the locking assembly to limit a tool connected to the tool-holding device; and In the unlocked state, the locking assembly removes the limitation of the tool connected to the tool holding device; wherein the locking assembly comprises at least two balls.

Automatic screwing device for the automated screwing of belt-guided screws (2) into workpieces, comprising: - a motor (3) with a motor shaft (4) to which a bit holder (5) is coupled, which carries a screw bit (6) that can be rotated by the motor (3) and is adjustable in its axial position, for automatically driving a screw (2) attached to the screw bit (6) into a workpiece, - a loading device (7) for feeding a belt (8) on which several screws (2) are pre-assembled at uniform screw intervals (A) from one another and in parallel orientations to one another, wherein the loading device (7) has a guide (9) on which the screws (2) are guided such that a loading screw (2a) foremost in the feed direction (V) can be fed into a position directly below the screw bit (6) by advancing the belt (8), and wherein the loading device (7) has a conveying device (10) which is designed to transport the belt (8) within the guide (9), and wherein - the conveying device (10) has at least one conveying pawl (11.1, 11.2) which is mounted to be driven to move back and forth in repeating cycles between a feed position and a retraction position along the feed direction (V), wherein the conveying pawl (11.1, 11.2) has a contact surface (12.1, 12.2) which is designed to bear against a transport screw (2b) of the belt (8) following the loading screw (2a) in order to convey the belt (8) by a screw distance (A) within one cycle in the feed direction (V), and the conveying device (10) has at least one stop pawl (13.1, 13.2) which is designed to hold the loading screw (2a) in its position directly below the screw bit (6) when the belt (8) transported by the conveying pawl (11.1, 11.2) moves the loading screw (2a) against the stop pawl (13.1, 13.2) presses, characterized in that the guide (9) is interchangeably attached to a base body (18) of the loading device (7).

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.

A compact ratchet wrench comprises a body and a ratchet head. The body has a head and a grip. A length between a distal end of the head and a rotation axis defines a front section length. A length between a distal end of the grip and the rotation axis defines a rear section length. An end of the ratchet head is provided with a driving portion. The driving portion has driving surfaces and a distance between two of the driving surfaces which are opposite to each other defines a drive width. The ratio of the front section length to the drive width is less than 2.5 and greater than or equal to 1. The ratio of the rear section length to drive width is less than 12 and greater than 4.

An impact tool includes: a motor; a motor housing portion that houses the motor; a grip portion extending downward from the motor housing portion; a hammer rotated by the motor; an anvil that is impacted by the hammer in a rotation direction; a hammer housing portion that houses the hammer; a prop portion arranged on a front side of the grip portion and extending below the motor housing portion or the hammer housing portion; a battery holding portion which is connected to the grip portion and the prop portion and to which a battery pack is detachably attached; and a light emitter unit that is held at a front portion of the hammer housing portion and includes a plurality of light emitters arranged in the rotation direction around the anvil. A lead wire electrically connected to the light emitter unit passes through an inside of the prop portion.

A press tool for using a plurality of socket drives each defining a square drive cavity, a socket cavity, and a socket perimeter surface extending around the socket cavity to displace a first part relative to a second part, the press tool comprising a drive system, a first drive projection, and a first friction member. The first drive projection is adapted to be received at least partly within the square drive cavity of a first selected socket drive of the plurality of socket drives. The first friction member is arranged between the first drive projection and the square drive cavity of the first selected socket drive to enhance friction between the first drive projection and the first selected drive 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.

The utility model relates to a nut dismounting tool, the nut dismounting tool includes: drive subassembly, locking subassembly and sleeve, drive subassembly includes drive casing, drive main part and grip, drive main part is provided in the drive casing, drive main part has the rotatable output shaft, and the drive main part is provided with the locking subassembly. The two grips are arranged on the driving shell in a spaced mode, the locking assembly is connected with the output shaft, the locking assembly is provided with a locking cavity, the inner diameter of the locking cavity is adjustable, one end of the sleeve is provided with a nut hole, and the other end of the sleeve is detachably arranged in the locking cavity in a penetrating mode. The nut disassembling and assembling tool can be used for rapidly disassembling and assembling nuts of different models, time and labor are saved, and the maintenance efficiency can be improved.

The invention relates to a tool (1) and a method for assembling and / or disassembling a sanitary insert (2), in particular a sanitary outlet part (3), characterized in that the tool (1) has latching means (4) and / or mating latching means (5), designed as a preferably detachable and / or anti-drop connection (6) to the sanitary insert (2).

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.