Described herein are self-propel accessories for walk behind/push-driven machines/devices comprising: drive assembly motor(s) operatively connected to at least one power supply; at least one drive assembly for imparting drive from the drive assembly motor(s) to at least one accessory wheel assembly that is operatively connected to an output shaft of the drive assembly motor(s) and one of an axle or a drive engagement surface of the at least one accessory wheel assembly having accessory ground engagement wheel(s) coupled to at least one end of the axle for rotation therewith; a controller for the drive assembly motor(s) having an actuator for engaging the drive assembly motor(s); and an attachment assembly for coupling the drive assembly motor(s), the at least one drive assembly and the at least one accessory wheel assembly to a housing of the push-driven machine or device in place of a wheel assembly/sub-assembly of the push-driven machine or device.

Quick release blade assemblies for a power tool are provided. A lawnmower includes a base including an engagement interface; a retainer having a locking component; a blade disposed between the base and the retainer; and an actuatable member including an engagement member, the engagement member being selectively displaceable with respect to the engagement interface between a locked configuration and an unlocked configuration when the actuatable member is translated in a direction parallel with the axis of rotation, wherein the engagement member is configured to interface with the locking component to selectively couple the blade to the drive shaft when the engagement member is in the locked configuration.

A low-energy blade system having a quick-change attachment for a lawn maintenance tool is provided. The low-energy blade system requires a reduced amount of energy to rotate the blade system. The blade system includes a shell, a mounting plate attached to the shell, a plurality of quick-attach mechanisms, and a separate cutting blade attachable to each of the quick-attach mechanisms. Each quick-attach mechanism allows a cutting blade to be attached to the mounting plate without the need for external tools, such as screwdriver, wrench, ratchet, or the like.

Outdoor power equipment includes a frame, a power head, a transmission, a pair of rear drive wheels, and a wheel height adjustment mechanism. The power head is coupled to the frame. The transmission is coupled to the frame and operatively coupled to the power head. The transmission includes a drive rotatable member configured to rotate about a first axis. The pair of rear drive wheels are coupled at respective ends of a rear drive axle so that the rear drive axle, and the pair of rear drive wheels coupled thereto, rotate about a second axis different than the first axis. The wheel height adjustment mechanism includes a first bell crank pivotally coupled to the frame about the first axis. A first end of the first bell crank is coupled to the rear drive axle.

A garden tool, including a main body, a walking wheel mounted on the main body and a control panel disposed on the main body. The control panel includes a main blade control assembly. The main blade control assembly includes a main blade button and a main blade pull rod. When starting the garden tool, the two actions of starting the main blade button and starting the main blade pull rod can be performed at intervals, but it needs to be completed within a certain time. The starting of the garden tool is completed in a short time by separately controlling the main blade button and the main blade pull rod, thereby ensuring the simplicity of operation and the safety of operation.

A system and method for actuating battery power for a mower that include receiving an input through a battery status switch of the battery. The system and method also include inputting a battery actuation switch based on receiving the input through the battery status switch. The system and method additionally include supplying an electronic signal to a microprocessor of the battery to supply power to a motor controller of the mower based on the input of the battery actuation switch. The system and method further include supplying electrical voltage to a motor of the mower to operate the motor based on the power supplied to the motor controller from the battery.

A speed-adjustable self-propelled four-wheel-drive walk-behind lawn mower is provided. The lawn mower may include a cutting deck, an engine installed on the cutting deck including an engine shaft, and a cutting blade installed inside the cutting deck. The lawn mower further includes a first transmission box and a second transmission box. The lawn mower includes an engine pulley installed on the engine shaft, a first combined pulley in communication with the first transmission box, and a second combined pulley in communication with the second transmission box. The lawn mower includes a belt connecting the first combined pulley, the second combined pulley, and the engine pulley. The belt is configured to transmit, via the engine pulley, a driving force from the engine to the first combined pulley and the second combined pulley to rotate the first transmission box and the second transmission box.

A lawnmower can include a deck, blade, electric motor, battery pack, housing and fan. An air inlet can be located at the front end of the housing and adjacent to the top surface of the deck. The fan can be mounted in the housing and the housing can be configured such that, when the fan operates, air enters the housing air inlet at the front end of the housing, air flowing through the housing air inlet enters the first chamber, air flowing in the first chamber flows through the battery pack, air exiting the first chamber enters the second chamber and flows through the second chamber, air flowing in the second chamber flows through the motor in a direction that extends along the blade axis, and air exiting the motor exits the housing through the at least one air outlet.

A lawn mower includes a blade assembly configured to perform a cutting function. The blade assembly includes an upper blade mounted about a blade rotation axis and an upper blade proximal portion being substantially flat and including a first cutting edge. A lower blade is mounted in overlap with the upper blade about the blade rotation axis. The lower blade includes a lower blade proximal portion positioned outward from the lower blade mounting portion in a radial direction, a lower blade end portion positioned outward from the lower blade proximal portion and below the lower blade proximal portion, and a second cutting edge. A lower blade falling portion transitions from the lower blade proximal portion to the lower blade end portion.

Outdoor power equipment includes a frame, a power head, a hydrostatic transmission, a pair of rear drive wheels, a drive chain, and a wheel height adjustment mechanism. The hydrostatic transmission includes a drive gear configured to rotate about a first axis. The pair of rear drive wheels are coupled at respective ends of a rear drive axle, wherein the rear drive axle is operably coupled to a driven gear. The pair of rear drive wheels, the rear drive axle, and the driven gear are configured to rotate about a second axis. The drive chain is operably coupled to both the drive gear and the driven gear. The wheel height adjustment mechanism includes a first bell crank pivotally coupled to the frame about the first axis, with a first end of the first bell crank being coupled to the rear drive axle.