Techtronic Cordless GP Patente

A power tool includes: a working component configured to rotate around a working axis; a motor arranged on the working axis on a rear side of the working component and configured to drive an output shaft to rotate; a transmission arranged on the working axis between the motor and the working component, configured to connect the output shaft of the motor with the working component; a main housing configured to at least partially enclose the motor and the transmission, the main housing having a long axis parallel to the working axis, wherein the working component is at least partially enclosed at a front end of the main housing; a handle housing extending from the main housing in a direction away from the working axis; a trigger control arranged to protrude from a front side of the handle housing, the trigger control configured to send a signal for controlling the motor; and an electronic clutch dial; a speed switch; a mode switch and corresponding configurations.

Centrifugal clutch mechanisms, and transmissions and lawnmowers having centrifugal clutch mechanisms are provided. A centrifugal clutch mechanism includes a clutch bell with a drive surface, and one or more centrifugal weights partially coupled to the first stage gear, wherein the one or more centrifugal weights are slidingly engaged with the first stage gear. Rotation of the first stage gear causes the one or more centrifugal weights to transition from a disengaged position in which the one or more centrifugal weights do not interface with drive surface to an engaged position in which the one or more centrifugal weights interface with the drive surface to transfer rotational energy from the first stage gear to the second stage gear. At least one of the one or more centrifugal weights comprises an axial projection extending towards the first stage gear, and the one or more centrifugal weights are slidable in the radial direction with respect to the first stage gear.

A power scrubber comprising a power head receiving power from a power source; and a drive coupled to and driven by the power head, the drive extending along a longitudinal axis, the drive including a connector for selectively engaging a working tool, the connector including, an external lobe protruding radially outwardly from the longitudinal axis, and a locking mechanism angled in a rotational direction about the longitudinal axis and extending at least partially along the longitudinal axis, the locking mechanism being configured to couple the drive with a brush having a corresponding locking mechanism.

The present invention relates to the field of lithium batteries, and in particular to a lithium-ion battery. The lithium-ion battery includes at least a negative electrode and an electrolyte; the electrolyte includes an additive, the additive contains at least a fluoroethylene carbonate (FEC), and the mass percentage of the FEC in the electrolyte is a; the electrolyte has a conductivity of d ms/cm; the initial Coulombic efficiency of the negative electrode is c; the negative electrode includes a negative electrode active material, the negative electrode active material includes a silicon-based material, and the mass percentage of the silicon-based material in the negative electrode active material is b; and a, b, c, and d meet at least one of the following conditions: 0<a≤0.40; 0<b≤0.40; 0.70≤c<1.00 and/or 4.0≤d≤18.0. The electrolyte in the present invention greatly improves the cycling and safety performance of the lithium-ion battery. The lithium-ion battery in the present invention not only has a high capacity and high initial Coulombic efficiency, but also has excellent cycling performance and safety properties.

A battery pack may include a main body, wherein the aforementioned main body includes a back plate, and the aforementioned main body is configured to allow the at least one battery cell to be supported in an axial direction parallel to the orientation of the aforementioned back plate. A battery pack may include at least one set of holding parts connected to the aforementioned main body, corresponding one-to-one with the aforementioned at least one battery cell, wherein each set of the aforementioned holding parts surrounds and holds the corresponding battery cell in the circumferential direction, wherein each set of the aforementioned holding parts is integrally formed with a biasing part, which abuts against the outer periphery of the corresponding battery cell and applies an inward biasing force to the battery cell.

OUTDOOR TOOL AND LUBRICATION SYSTEM An outdoor tool (100) includes a housing (104), a motor assembly (110) attached to the housing (104), a tool unit (106), and a lubrication system (102). The tool unit (106) may be powered by the motor assembly (110) and includes a guide bar (116) and a chain (126) circumscribing a portion of the guide bar (116). The lubrication system (102) may provide lubricant to the chain (126). The lubrication system (102) includes a lubricant reservoir (130) attached to the housing (104) to contain a volume of the lubricant, a lubricant output (140) directed toward the guide bar (116) in fluid communication with the lubricant reservoir (130), and a reversible lubricant pump (134) disposed in fluid communication between the lubricant reservoir (130) and the lubricant output (140) to alternately motivate a first lubricant flow from the lubricant reservoir (130) and a second lubricant flow to the lubricant reservoir (130). Fig.1

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

A pump assembly for a sprayer washer is provided. The pump assembly includes a plurality of pistons extending between a first end and a second end and a wobble plate for driving the plurality of pistons. The wobble plate includes a first plate, a second plate pivotably coupled to the first plate, and at least one biasing member disposed between the first plate and the second plate. The biasing member is configured to bias the first plate and the second plate between a first tilt angle and a second tilt angle based on a pressure exerted on the wobble plate.

A wrench may include a first end shaped to engage a fastener. The wrench may include a second end shaped to engage the fastener, and one or both of the first end and the second end defines an open end of the wrench including an engagement section having a primary grip structure configured to grip the fastener and a secondary grip structure configured to grip the fastener after slippage of the fastener from the primary grip structure.

An autonomous lawn mower comprises an outer housing, a prime mover within the output housing configured to move the autonomous lawn mower, a battery within the output housing configured to supply power to the prime mover, a docking socket formed in the outer housing to receive a corresponding plug element of a charging dock, the docking socket including first and second docking sensors at first and second sensing positions along an internal length of the docking socket, and a charging controller to switch the battery to a charging mode in response to the first docking sensor sensing the plug element at the first sensing position, and send a stopping signal to the prime mover to stop the autonomous lawn mower moving forward in response to the second magnetic sensor sensing the plug element at the second sensing position.

A nailing machine includes a closed first cylinder having a first working chamber and a second cylinder enclosed outside the first cylinder and having a second working chamber. The first working chamber communicates with the second working chamber. A first piston coupled to a striking pin having a limiting portion is installed inside the first cylinder. The nailing machine also includes a locking mechanism including a locking arm coupled to an upper part of a transmission shaft, and a swing arm coupled to the lower part. A second piston in the second cylinder is driven by a motor assembly to reciprocate. When the second piston is in the first position, the first piston moves inward and the limiting portion is engaged by the locking arm. When the second piston is in the second position, the motor assembly rotates the swing arm, disengaging the locking arm from the limiting portion.

A transmission housing assembly for a power tool includes a front housing defining a first volume for receiving a first plurality of gears therein, a first rear housing portion, and a motor cover having an integral second rear housing portion engageable with the front housing and the first rear housing portion to enclose a second volume for receiving a second plurality of gears therein.

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

A trimmer head assembly includes a top housing and a bottom housing selectively attached to the top housing. The top housing may include an assembly cap, an engagement button, and a retention tab. The assembly cap may define a radial access slot. The engagement button may be slidably received within the radial access slot to move along a radial direction. The retention tab may be fixed to the engagement button to move therewith along the radial direction. The retention tab may be disposed apart from the radial access slot. The bottom housing may include a frame and a complementary tab. The frame may define one or more trimmer openings to receive a cutting element extending therethrough. The complementary tab may be fixed to the frame in selective radial alignment and engagement with the retention tab to secure the bottom housing to the top housing.

A log splitter is provided. The log splitter includes a housing, a power source comprising at least one removable battery, a drive mechanism electrically coupled to the power source, a support arm extending between a first end and a second end, and a rack coupled to at least a portion of the support arm, the rack configured to move along the support arm in a forward direction to an extended position adjacent the first end of the support arm and a reverse direction toward to a starting position adjacent the second end of the support arm.

The present invention relates to a hard surface cleaning device. The hard surface cleaning device comprises: a suction assembly for creating a suction flow, the suction assembly comprising a suction unit and an electric motor for driving the suction unit; a suction nozzle in fluid communication with the suction assembly for sucking the liquid air mixture from the hard surface; a cleaning flow path between the suction nozzle and the suction assembly, and a separating member for separating liquid from the sucked liquid air mixture is provided in the cleaning flow path; and a fluid reservoir for containing the separated liquid, the fluid reservoir being detachably mounted to the separating member; wherein the fluid reservoir and the separating member are integrally attachable to and detachable from the hard surface cleaning device.

A lawnmower (100) including a motor (118); a blade (114) having a sharpened edge (116); and a quick release system (126) configured to releasably couple the blade (114) to the motor (118), the quick release system (126) including: a user-actuatable interface (128) movable between an engaged position and a release position; a blade engagement element (132); and a linkage (130) coupled to the user-actuatable interface (128) and configured to drive the blade engagement element (132) between an engaged state and a release state in response to movement of the user-actuatable interface (128) between the engaged and release positions.

A power tool including an implement driven by a motor; an inertial measurement unit; and a control circuitry in communication with the motor and IMU, wherein the control circuitry: receives motor data associated with a condition of the motor; determines angular change of the power tool from motion data received from the IMU or receives angular change data from the IMU; initiates a countdown timer in response to the condition of the motor reaching a threshold; and generates a control instruction to maintain power to the motor upon the countdown timer reaching a prescribed value if the angular change is greater than an angular change threshold at any time during a duration of the countdown timer and reduce power to the motor upon the countdown timer reaching the prescribed value if the angular change is less than the angular change threshold during an entire duration of the countdown timer.

The present invention provides a cell and a battery having the cell. The cell of the present invention includes a housing, a cap assembly and a wound core. The housing is of an elongated configuration and has an opening at a top end, the cap assembly is encapsulated at the opening of the housing and defines a receiving space together with the housing, and the wound core is adaptively shaped to be accommodated in the receiving space. The cap assembly and the wound core are in direct contact and fixedly connected to each other for direct electrical conduction between the wound core and the cap assembly. In the present invention, a conventional busbar between the wound core and the cap assembly is eliminated, thereby saving space. Under the condition of a constant battery length, this arrangement allows the wound core to be lengthened and the capacity to be increased. As the wound core and the cap assembly are directly conductively connected, an electron transport path is shortened, the internal resistance is reduced, and the battery power supply efficiency is increased.

A work light includes a light source head and a body. The light source head includes a first magnetic element; and the body includes a battery receptacle configured to receive a battery for powering the light source head, a mount surface configured to mount the work light to a structure (S1), and a second magnetic element supported adjacent the mount surface. The light source head is movable relative to the body between a first state, in which the first magnetic element of the light source head is engaged with the second magnetic element of the body, and a second state, in which the light source head is spaced away from the mount surface and the second magnetic element is configured to engage the structure.

The present invention provides an IoT system and a control method therefor. The IoT system comprises a battery pack provided with a connecting terminal and wireless communication module, a terminal device and an electronic device. The battery pack is configured to be capable of establishing an electrical connection and communication connection with the terminal device, and by means of the wireless communication module, can issue broadcast information comprising identity information of the terminal device. The electronic device is configured to be capable of receiving broadcast information, and can operably establish a wireless connection with the battery pack. The electronic device is further configured to be capable, in a state of having established a wireless connection, of storing identity information of the terminal device, and in a state of the wireless connection being broken, on the basis of the identity information in the received broadcast information matching the stored identity information, automatically establishes a wireless connection with the battery pack which issues broadcast information. According to the present invention, in a scenario in which a battery pack is replaced frequently, the electronic device is capable of automatically, by means of the replaced battery pack, wirelessly connecting to the terminal device connected to the battery pack.

A lighting device includes a housing, a light module, and a battery pack. The housing is formed from a flexible material and extends along a longitudinal axis between a front end and a rear end. The housing includes an interior space extending along the longitudinal axis, a front opening positioned adjacent the front end providing access to the interior space, and a side opening positioned between the front end and the rear end providing access to the interior space. The light module is disposed within the housing adjacent the front end such that a light source of the light module emits light through the front opening. The battery pack is disposed within the housing and removably coupled to the light module to provide power to the light source. The battery pack includes a surface that is visible through the side opening during operation of the lighting device.

An accessory mount device for a power tool, wherein a reference axis forms an axis of rotation of the accessory mount device, the accessory mount device including a housing forming an interior volume, the housing including a ramped surface in the interior volume at which a bearing is positioned; a first plate forming a channel at which the bearing is positioned at the ramped surface to push the first plate along the reference axis; and a second plate configured to push a spool in the direction of the reference axis, wherein the bearing is configured to selectively push the first plate to the second plate when a centrifugal force threshold is exceeded, and wherein the second plate is allowed to rotate around the reference axis separate from the first plate.

A folding mechanism for a tool comprising a first pole section and a second pole section comprises a first coupling component configured to receive one end of the first pole section, comprising a first hinging hole and a first locking hole; a second coupling component configured to receive one end of the second pole section, comprising a second hinging hole and a second locking hole, where the second locking hole is at least partially formed with an internal screw thread; a hinging bolt arranged to pass through the first hinging hole and the second hinging hole; and a locking bolt configured to pass through the first locking hole and the second locking hole, the locking bolt comprising an external screw thread at a first end and a handle for turning the locking bolt at a second end, where the external screw thread is configured to engage with the internal screw thread of the second locking hole; wherein the first locking hole comprises a retaining element to prevent removal of the locking bolt from the first locking hole.

A height adjustable power tool comprises a housing; a working component rotatably mounted to the housing; a motor to rotate the working component; a fixed support wheel adjacent to the working component on a first side; and an adjustable support wheel adjacent to the working component on a second side that moves around the rotation axis of the working component between a first and second position; wherein in the first position the fixed support wheel and adjustable support wheel are separated by a first angle, such that a distance between the rotation axis and the ground is greater than the radius of the working component; and in the second position the angle between the fixed support wheel and adjustable support wheel is greater than the first angle, such that the distance between the rotation axis and the ground is less than or equal to the radius of the working component.

A bit holder including a bit bar defining receptacles each configured to support a bit, each of the receptacles defined by a first receptacle wall, a second receptacle wall, a first bridge segment extending between and interconnecting the first receptacle wall and the second receptacle wall on a first side of the receptacle, and a second bridge segment extending between and interconnecting the first receptacle wall and the second receptacle wall on a second side of the receptacle opposite the first side, the bit bar further including a first projection extending from the first bridge segment and a second projection extending from the second bridge segment, wherein the first projection is flexible relative to the first bridge segment and the second projection is flexible relative to the second bridge segment such that the first projection, the second projection to at least partially cooperatively hold the bit in place.

A pocket hole jig (100, 700, 800) comprising a housing (110, 810) that orients the pocket hole jig (100, 800) relative to a workpiece (102); and a drill bit guide (140, 712, 840) rotatably coupled to the housing (110, 810), wherein the housing (110, 810) comprises a plurality of locking notches (160, 162, 164, 860, 862, 864), and wherein the drill bit guide (140, 712, 840) is interfaceable with different ones of the plurality of locking notches (160, 162, 164, 860, 862, 864) to adjust a drill angle of the drill bit guide (140, 712, 840) with respect to the workpiece (102).

A fluid and power provision apparatus (10) is provided. The apparatus (10) includes a power provision device (90) and a pump assembly (100). The pump assembly (100) includes a motor (150), a transmission system (200), a piston assembly (300), and a collar assembly (320). The piston assembly (300) includes a piston sleeve (310), a piston (302), and a piston arm (304) operably coupled to the piston (302) and the transmission system (200) to transmit energy from the motor (150) to articulate the piston (302) within the piston sleeve (310). The collar assembly (320) forms a collar plenum (314), a first flowpath (324), and a second flowpath (326). The piston sleeve (310) extends at least in part into the collar plenum (314). The first flowpath (324) extends in fluid communication from the collar plenum (314) to a fluid supply outlet. The second flowpath (326) extends in fluid communication from an interior (22) of the apparatus (10) to the first flowpath (324).

A power tool with a housing, a motor, and a printed circuit board. The housing includes a motor housing portion and a battery receptacle portion separate from the motor housing portion. The motor is coupled to and configured to drive a working element and at least one impeller, the motor positioned at least partially within the motor housing portion, the battery receptacle portion including a receptacle configured to receive a battery pack to provide electrical current to the motor. The printed circuit board includes a heat-generating electrical component, the printed circuit board positioned within the battery receptacle portion. The at least one impeller is configured to generate airflow in a first airflow path within the motor housing portion and airflow in a second airflow path within the battery receptacle portion, the first airflow path and second airflow path being separate from one another.

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The present invention provides a clutch (30) and a work machine (1) having same. The clutch comprises an input member (31) for receiving a driving force and rotating, an output member (32) for outputting rotational motion, and at least one transmission member (33). The input member has at least one radially extending protrusion. The output member has at least one transmission engagement part. The transmission member (33) is movable between a first position of engagement with the transmission engagement part (322) and a second position of disengagement, being located in a path of rotation of the protrusion (312), and able to abut the protrusion and be driven to move to the first position. Displacement of the transmission member between the first position and second position has a radial component. According to the technical solution of the present invention, the function of automatically switching between transmission states according to the operating state of a prime mover can be achieved. The fact that displacement of the transmission member comprises a radial component helps to reduce the axial thickness of the clutch, so that the structure thereof is more compact.

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