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2082results about "Power driven tools" patented technology

Power tool with impulse assembly

A power tool including a motor, an impulse assembly configured to be driven by the motor, a temperature sensor, and a controller. The temperature sensor is configured to output a signal related to a temperature of the power tool. The temperature of the power tool is correlated to a temperature of a fluid within the impulse assembly. The controller is connected to the temperature sensor. The controller is configured to determine the temperature of the power tool based the signal from the temperature sensor, and control, in response to the temperature of the power tool being greater than a temperature threshold, the power tool based on the temperature of the power tool.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Impact driver

A power tool comprises a housing, a motor assembly and an impact assembly configured to be driven by the motor assembly. The impact assembly comprises a hammer defining a hammer chamber therein and an anvil at least partially disposed in the hammer chamber and configured to rotationally drive an output shaft. The anvil comprises a body portion, an anvil chamber defined therein, and a reciprocating member configured to selectively move radially outwardly relative to the body portion to be selectively impacted by an impact member of the hammer so that the hammer selectively imparts rotational movement to the anvil. The anvil includes an active valve configured to control discharge of fluid from an anvil chamber to the hammer chamber. The active value variably opens based on variance of one or more physical characteristics of the fluid (e.g., at least one of volume, temperature, pressure, or viscosity of the fluid).
Owner:BLACK & DECKER CORP

Fastener system with stabilizer ribs

Fasteners, drivers, punches, fastener systems, and methods of making fasteners, drivers, punches, and fastener systems are disclosed herein. The fasteners, drivers, punches, and fastener systems include, in one example, stabilizing ribs and corresponding recesses.
Owner:PHILLIPS SCREW CO

Impact tool with control mode

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.
Owner:BLACK & DECKER CORP

Powered ratchet tool with a variable crankshaft

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.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Driving Tool

ActiveUS20250269500A1SpannersWrenchesPistonPhysics
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.
Owner:MAX CO LTD

Power tool with enclosed gearcase

A power tool including a housing with a first housing portion and a second housing portion, the first housing portion and the second housing portion collectively defining a head housing portion. The power tool also includes a motor supported within the head housing portion and including an output shaft, a gear case completely enclosed by the head housing portion, a gear assembly engaged with the output shaft and supported within the gear case, and a drive assembly driven by the gear assembly and supported within the head housing portion.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Mining explosive-proof electric wrench

The utility model discloses a mining explosion-proof electric wrench, which comprises an explosion-proof electric wrench device, a grab handle, an electric wrench explosion-proof shell, a driving main shaft with one end inserted into the electric wrench explosion-proof shell, and a nut sleeve head connected with the end part of the driving main shaft, a first guide ring and a second guide ring are arranged on the outer surface of the explosion-proof shell of the electric wrench; the limiting piece comprises an attaching plate installed on the surface of the explosion-proof shell of the electric wrench, a connecting rod connected with one end of the attaching plate and a fixing ring connected with the other end of the connecting rod; the knocking assembly comprises a moving rod penetrating through the fixing ring, a knocking head connected with one end of the moving rod and a reset spring arranged on the outer side of the moving rod in a sleeving mode; the anti-explosion electric wrench is provided with a knocking design for knocking a nut dismantled in the nut sleeve head, the thumb hooks the pull ring and pulls and loosens the pull ring, the pulling action is repeated, the movable rod drives the knocking head to move, the knocking head penetrates into the nut sleeve head, and the knocking head knocks the nut left in the nut sleeve head to enable the nut to fall off.
Owner:ANHUI XINQIAO EXPLOSION-PROOF ELECTRICAL APPLIANCE TECHNOLOGY CO LTD

Power tool

A power tool includes a housing, a motor, an output spindle, a rotary impact assembly configured to transmit rotational motion with intermittent rotational impacts from a cam shaft to the output spindle, and a transmission.
Owner:BLACK & DECKER CORP

Intelligent bolt fastening equipment

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.
Owner:CHINA JILIANG UNIV +1

Tightening equipment special for stepless variable-pitch aviation equipment nut

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.
Owner:SHENYANG AEROSPACE UNIVERSITY

Electric tool

An electric tool includes a motor, a switch unit, a housing, an operating member, and an interlocking member. The motor rotates a tip tool. The switch unit selectively provides or cuts off supply of power to the motor. The housing houses the motor. The operating member is provided outside the housing and is displaced between a first position and a second position in response to an operation. The interlocking member is displaced between a third position and a fourth position in response to displacement of the operating member. The housing is arranged to house the switch unit. The switch unit cuts off the supply of the power to the motor when the interlocking member is located at the third position and provides the supply of the power to the motor when the interlocking member is located at the fourth position.
Owner:NEXRA FIELD WORKS CO LTD

Power tool attachment

A power tool attachment is configured to connect to a power tool at a static interface and a dynamic interface. The static interface statically fixes the power tool and power tool attachment together. The dynamic interface provides rotational motion generated by the power tool to the power tool attachment. The rotational motion is provided to a drive of the power tool attachment that converts the rotational motion to a linear reciprocating output.
Owner:GRACO MINNESTOA INC

Bolt tightening mechanism

The utility model relates to the technical field of bolt tightening equipment, in particular to a bolt tightening mechanism. The mechanism comprises a driving mechanism, a rotating part, a protective sleeve and an assembling auxiliary part, wherein the driving mechanism consists of a motor and a rotating shaft; one end of the rotating piece is fixed with the rotating shaft, and the other end is provided with a limiting hole matched with the bolt; the protective sleeve surrounds the rotating piece and the rotating shaft and is detachably connected with the driving mechanism. The rotating part further comprises an outer sleeve, a guide plate and a clamping assembly, flexible adjustment of the clamping assembly is achieved through a guide through groove and an elastic part, the rotating part can be matched with various special-shaped bolt heads, the assembling auxiliary part comprises an auxiliary part body and a shaft hole, the far end of the shaft hole can contain a nut and can be matched with a bolt, and the bolt can be driven to rotate when the motor is started. And the bolt is screwed on the nut. The bolt tightening device achieves the technical effects of improving the bolt tightening efficiency and adapting to various bolt heads.
Owner:SHANGHAI YAAO VALVE CO LTD

Impact tool with split anvil

An impact tool having a split anvil assembly includes an internal anvil portion fixed inside a housing of the impact tool and an external anvil portion that is removably attached to the internal anvil portion and extends outside of the housing. The external anvil portion includes a retractable pin biased to an extended position to engage the internal anvil portion to secure the external anvil portion to the internal anvil portion and depressed to a retracted position to permit the external anvil portion to be disengaged from the internal anvil portion. The internal anvil portion and the external anvil portion may include respective internal and external grooves that interconnect with each other to link the movement of the internal anvil portion to the external anvil portion.
Owner:INGERSOLL RAND IND US INC

Power tool

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.
Owner:NANJING CHERVON IND

Angle fastening tool

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.
Owner:MAKITA CORP

Torque-adjustable electric screw driver and control method of electric screw driver

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.
Owner:SHENZHEN XINGFUXIN HARDWARE CO LTD

Electric vise

A power vise including a body and a jaw connected to and extending from the vise body. The vise can also include an actuator extending at least partially through the jaw body, where the actuator can include a first end and a second end opposite the first end. The vise can include a moving jaw connected to the first end of the actuator. The vise can include a motor connected to the second end of the actuator, where the motor can be operable to move the actuator to move the moving jaw with respect to the fixed jaw, including a hammering or impacting function, and that such hammering or impacting can be performed after a predetermined delay. The vise can include a sensor configured to produce a signal based on a condition of the vise and to control the vise at least in part on using that signal.
Owner:JACKCO TRANSNATIONAL INC

Credentialed wireless fob to control power tool devices

An electronic processor of a wireless fob is configured to establish a first communication link between the wireless fob and an external device, and receive, over the first communication link, first identification information and credential information of a power tool device from the external device. The electronic processor is further configured to receive, via the wireless transceiver, an identification signal including second identification information from the power tool device. The electronic processor is further configured to identify the power tool device by determining that the first identification information matches with the second identification information. The electronic processor is further configured to transmit the credential information to the power tool device to establish a second communication link between the wireless fob and the power tool device and transmit, over the second communication link, a command to the power tool device to control an operation of the power tool device.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Nut fastening tool

The utility model discloses a nut fastening tool, which belongs to the technical field of mounting tools, and adopts the technical scheme that a long driving shaft is arranged on a plate I, a short driven shaft is arranged on a plate II, and the long driving shaft and the short driven shaft are in transmission through a bevel gear; a driving sleeve is arranged at the other end of the short driven shaft; an inserting rod is fixedly arranged at the other end of the long driving shaft; fixing rods are arranged on the first plate and located on the two sides of the long driving shaft, the two ends of the fixing rods are connected through connecting rods, first supporting rods are arranged on the connecting rods and located on the two sides of the long driving shaft, a fixing sleeve is arranged at the end, close to the inserting rod, of the long driving shaft through a bearing, and a threaded cylinder is arranged at the end, facing the first supporting rods, of the fixing sleeve; a rotating cylinder is arranged on the threaded cylinder, a mounting cylinder is rotationally arranged on the outer side of the rotating cylinder, a second supporting rod is hinged to the mounting cylinder, and the other end of the second supporting rod is hinged to the other end of the first supporting rod; a supporting wheel is arranged on the first supporting rod or the second supporting rod. The nut fastening tool has the advantage that the nut fastening tool is provided.
Owner:LIAOCHENG HUANMEI DECORATION ENGINEERING CO LTD

ELECTRIC POWER TOOL

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.
Owner:MAKITA CORP

Impact tool anvil and method of manufacture

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.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Impact tool

To provide an impact tool which appropriately performs lighting of a peripheral area of an anvil.SOLUTION: An impact tool comprises: a motor; a motor storage part which stores the motor; a grip part which extends from the motor storage part to below; a hammer which is rotated by the motor; an anvil which is impacted in a rotation direction by the hammer; a hammer storage part which stores the hammer; a pole part which is arranged in front of the grip part and extends to a position below the motor storage part or the hammer storage part; a battery holding part which is connected with the grip part and the pole part and in which a battery pack is attached thereto and detached therefrom; and an emitter unit which is held at the front part of the hammer storage part and includes a plurality of emitters around the anvil in the rotation direction. A lead wire passes through inside of the pole part to be electrically connected with the emitter unit.SELECTED DRAWING: Figure 1
Owner:MAKITA CORP

Bolt fastening and dismounting device

The utility model provides a bolt fastening and dismounting device. The bolt fastening and dismounting device comprises an electric ratchet wrench (1), a universal joint sleeve joint (2), a camera (3), a display screen (4) and a support (5). And the upper end of the electric ratchet wrench (1) is connected with a sleeve to be mounted through the universal joint sleeve joint (2). A support (5) is fixed at the lower end of the electric ratchet wrench (1), and the length of the support (5) is adjustable. The camera (3) is arranged at the top of the electric ratchet wrench (1), the display screen (4) is arranged at the lower end of the support (5), the camera (3) is connected with the display screen (4) through a data line, the camera (3) is used for collecting images of bolts when the bolts are fastened or detached, and the display screen (4) is used for displaying the images collected by the camera (3). According to the device, through the electric ratchet wrench and the adjustable support, automatic fastening and unscrewing of a bolt at a high position or in a narrow space are achieved, manual climbing operation is not needed, time and labor are saved, and the falling risk of personnel is reduced.
Owner:CHINA THREE GORGES RENEWABLES (GRP) CO LTD +1

Rotary impact tool

A rotary impact tool including a motor housing, an electric motor supported in the motor housing, and a drive assembly for converting a continuous torque input from the motor to consecutive rotational impacts upon a workpiece. The drive assembly includes an anvil including an anvil lug, and a hammer that is both rotationally and axially movable relative to the anvil. The hammer includes a hammer lug for imparting the consecutive rotational impacts upon the anvil lug. The rotary impact tool further includes a first printed circuit board assembly including an anvil sensor, a first carrier supporting the first printed circuit board assembly, a second printed circuit board assembly including a hammer sensor, and a second carrier supporting the second printed circuit board assembly.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Electronic clutch for power tools

Systems and methods for electronically limiting torque in a power tool. One power tool includes a motor, a trigger, and a controller connected to the trigger and the motor. The controller is configured to provide, in response to actuation of the trigger, power to the motor, determine a speed of the motor, activate the electronic clutch, in response to determining that the speed of the motor has dropped by the speed drop threshold within the first period of time, to electronically brake the motor for a second period of time, and provide, in response to the second period of time having passed, power to the motor.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Power tool including depth sensing

A power tool includes a housing, a motor, and an actuator configured to be actuated by a user to cause the motor to operate. The power tool includes a depth sensor located adjacent to the output drive device and configured to generate a distance signal. The power tool includes an electronic controller coupled to the actuator and to the depth sensor. The electronic controller determines a first distance between the depth sensor and the workpiece by monitoring the distance signal from the depth sensor during operation of the motor. The electronic controller determines that the first distance has decreased to be less than or equal to the predetermined threshold distance. The electronic controller changes how the motor is controlled to operate in response to determining that the first distance has decreased to be less than or equal to the predetermined threshold distance.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Hydraulic torque wrench system

A hydraulic torque wrench system including a low profile power head connectable to a ratchet link is disclosed. The power head includes a housing having opposed side walls with a width therebetween. A first connection unit located on the front wall of the housing includes a front projection having a stem and opposed arms. The stem has opposed side walls that extend from the front wall of the housing to a radiused free end. The opposed arms extend laterally from the opposed side walls. The first connection unit is coupled a connection slot in the ratchet link. A second connection unit located on the bottom wall of the housing includes a bottom projection with a bore. The second connection unit is coupled to a bore in the ratchet link by a pin. The opposed arms span a distance that is less than or equal to the width of the housing.
Owner:IND BOLTING TECH INC