Techtronic Cordless GP

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.

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.

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.

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

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.

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.

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.