Abstract: An internal combustion engine includes an engine block, a blower housing configured to direct cooling air to the engine block, an electric starting system, and a crankshaft configured to rotate about a crankshaft axis. The electric starting system includes an electric motor and an energy storage device located within the blower housing. The energy storage device is electrically coupled to the electric motor to power the electric motor, and is positioned above the crankshaft. When the starter motor is activated, the electric starting system rotates the crankshaft to rotate the engine for starting.

Abstract: One embodiment of the invention relates to an internal combustion engine including an engine block, a crankshaft configured to rotate about a crankshaft axis, a flywheel coupled to the crankshaft, a throttle body, an electric fan, and an air filter assembly configured to filter incoming air from an air intake and provide cleaned air to a throttle body. The engine block includes a cylinder. The throttle body is configured to throttle incoming air to the cylinder.

Abstract: The standing motorized lawn mower comprises a mower and a sulky. The standing motorized lawn mower may be adapted to allow a user to stand on the sulky as the sulky is pulled by the mower. The mower may be steered using a steering column. A touch sensitive display located on the steering column may be adapted to provide functional control of the standing motorized lawn mower to the user. The steering column may provide a phone holder, a cup holder, and an earphone jack. One or more string trimmers located on the front of the mower may trim grass at the edge of a mowing area.

Abstract: A drive-over mower deck includes at least one retractable front roller which is pivotable between a lowered position extending forwardly and downwardly from a rim at a front and center of the drive-over mower deck, and a retractable position in which the front roller pivots freely between the lowered position and a retracted position when the drive-over mower deck lays flat on a ground surface.

Abstract: Methods and systems are provided for an air intake system. In one example, an air intake system is provided. The air intake system includes a first air inlet duct providing intake air to an engine intake conduit, the first air inlet duct including an opening positioned external to an engine compartment. The air intake system also includes a second air inlet duct positioned upstream of the engine intake conduit and external to the engine compartment, the second air inlet duct including a funnel shaped to flow air to only a portion of an air filter.

Abstract: A dual powered riding lawn mower including a riding mower. The riding mower includes a mowing deck having at least one mowing blade therein. The mower blade is connected to a blade shaft. The blade shaft is connected to a clutch and gear box. The gear box will enable a user to switch between manual power and a battery powered motor. The manual power will include a set of pedals that will spin the blade shaft and propel the riding lawn mower forward. When the electric motor is engaged the pedals are used to charge the battery via an alternator connected to the gear box.

Abstract: An electric mower comprises a blade housing (2b) defining a cavity (7) opening out downward and a vertical passage (32) extending centrally upward from the cavity, a metallic motor support plate (38) attached to a part of the blade housing defining an upper end of the vertical passage and provided with an extension (42) extending beyond the vertical passage in a horizontal direction, an electric motor (8) attached to the motor support plate and having an output shaft (64) extending downward through an opening formed in the motor support plate, a blade (3) attached to a lower end of the output shaft and covered by the blade housing, and a control unit (10) mounted on an upper surface of the extension for controlling the electric motor.

Abstract: A mower deck gauge wheel support includes a one-piece sheet metal bracket mounted to a mower deck, having a sleeve mounted thereto outside a skirt of the mower deck, a wheel shaft inserted through the sleeve, and a J-pin having a first end that engages the wheel shaft at a desired cutting height, and a second end that is engaged by and retained by a coil spring within the bracket.

Abstract: A handle mechanism with multiple stop locations and a lawn mower including the handle mechanism includes a handle and a location shifting element with multiple stop locations, the handle being provided with a locking mechanism that is automatically clamped with one of the multiple of stop locations of the location shifting element for fixing or adjusting the handle. A lawn mower, including the handle mechanism, includes a lawn mower body, the handle rotatably connected with the lawn mower body by the handle rotating shaft. The locking mechanism and the location shifting element are equipped with stop locations can be automatically locked, therefore, the operator can adjust the stop locations of the lawn mower conveniently.

Abstract: There is provided a work vehicle including: an engine in which a pulley for transmitting power is fitted to an output shaft disposed in such a manner as to project downward from a bottom; and a mount surface at which an opening, into which the pulley can be inserted, is formed, and further, on which the engine is mounted in the state in which the pulley is inserted into the opening from above. The work vehicle is further provided with a fixed plate that is fixed to the bottom of the engine and joined to the mount surface so as to fix the engine onto the mount surface. The output shaft is inserted through the fixed plate, and further, the fixed plate is interposed between the bottom of the engine and the pulley.

Abstract: A walk-behind outdoor power machine includes a control that is actuable to control at least one operational aspect the power machine, a handle including a user-graspable portion that is graspable by an operator walking behind the machine, a locking mechanism locking the user-graspable portion of the handle at a desired height, and an actuator incorporated into the control. The control is actuated in a first direction to control the operational aspect of the power machine, and is actuated in a second direction to release the locking mechanism so the height of the user-graspable portion can be adjusted.

Abstract: In a work vehicle, because of growing need to equip a DPF for exhaust gas countermeasures near an engine and a request of increasing the size of a fuel tank, a system including the fuel tanks provided below a floor step and on left and right sides of a transmission case has been employed. However, when a lawn mower is installed between front wheels and rear wheels, an increasing width of a vehicle body becomes a problem. To solve the problem, a locus of the raising and lowering operation of a lawn mower 5 is specified by a parallel link formed of left and right front links 43, 43 and left and right mid links 45, 45, and in a work vehicle where the lawn mower 5 is freely raised and lowered, the left and right mid links 45, 45 are respectively disposed between a transmission case 3 and fuel tanks 16L, 16L.

Abstract: There is disclosed a brush harvester including ground-engaging wheels so as to be operable in a walk-behind manner and/or by being pushed or pulled along the ground by a person walking on the ground. There is also disclosed a brush harvester unit mounted to a vehicle such as an ATV, so as to be operable by driving or riding the vehicle. There is additionally disclosed a brush harvester unit configurable for either of these modes of operation.

Abstract: An edge-trimmer comprises a holdable support arm (2), a cutting head (3) rotatable about a rotation axis thereof (C) and positioned in proximity of an end (2b) of the support arm (2); a motor for moving the cutting head (3) by means of a transmission organ (5), an orientation device (6) of the cutting head (3) in the space connected to the support arm (2) and rotatable about a first rotation axis (A). The orientation device (6) exhibits a rotatable junction (7) which enables the cutting head (3) to further rotate about a second rotation axis (B) which is inclined with respect to the first rotation axis (A).

Abstract: A lawn mower may include a blade housing configured to house at least one blade, an engine, a handle assembly, a door, and a bag lifting assembly. The blade housing may include an exit. The engine may be supported at least in part by the blade housing to selectively rotate the at least one blade. The handle assembly may guide operation of the lawn mower. The door may be rotatably disposed to have a first rest position in contact with a bagging attachment disposed to receive clippings from the blade housing and a second rest position proximate to the blade housing when the bagging attachment is removed. The bag lifting assembly may be configured to lift the door from the first rest position responsive to rotation of the handle assembly forward from an operating position.

Abstract: A mower having a mowing head with a stationary horizontal comb and a continuous cutting blade loop slidingly positioned against the bottom surface of the comb, both having teeth arranged to accept and then shear off plant material between them at a user defined height above the ground. The teeth in the continuous cutting blade loop move past the teeth in the comb, powered by one or more drive guide pulleys transferring motive power to the blade from an external source, are mounted.

Abstract: A combine harvester has a rear axle that can be extended on-the-go to enable its ground wheels to be turned more sharply during steering operations without striking nearby portions of the chassis. Extension may be carried out manually by the driver or automatically in response to a predetermined input, such as the commencement of a turn by the harvester. In one embodiment the rear ground wheels are powered, such as by a single hydraulic or electric motor, while in another embodiment they are non-powered.

Abstract: A front end mounted rotary hay rake having a plurality of finger wheel rotary raking elements mounted on a frame and movable thereon from one to the other of a raking position to rake material on the ground into a windrow and a retracted raised traveling position. The frame is partly supported by a pair of caster wheel assemblies that are disposed in spaced apart relation with respect to one another and a distal end of the frame which connects securely to a front end loader mounted on a tractor. Oscillatory movement of the caster wheel assemblies is restrained by a brake acting on the shaft of the caster wheel assembly by which it is mounted on the frame. The frame of the rake is pivotally mounted to the front end of the loader. A rotary type rake having a plurality of finger wheel rotary raking elements mounted on a frame and movable thereon from one to the other of a raking position to rake material on the ground into a windrow and a retracted raised traveling position.

Abstract: A lawnmower uses thin, replaceable blades with a hardened cutting edge. Such blades are held by blade holding elements in a horizontally rotating blade assembly. The blade assembly is covered by a blade assembly guard that is only open underneath at a point where blades in the blade assembly would cut grass during normal operation. A blade assembly access panel in the upper portion of the blade assembly guard allows blades to be easily replaced.

Abstract: An induction motor system for a reel assembly of a turf maintenance vehicle includes a frame and a turf maintenance implement assembly defining a reel assembly movably connected to the frame. The reel assembly includes multiple reel blades defining a reel blade assembly. The reel blade assembly is rotatably connected to a structure of the reel assembly. Multiple induction coils are connected to the structure of the reel assembly and energized to create a magnetic field through the reel blades of the reel blade assembly thereby inducing rotation of the reel blade assembly.

Abstract: A system of harvesting electrical power for use within a battery operated device includes a battery and a motor driven by the battery to impart rotational energy to a first shaft. The first shaft drives a multi-phase generator and produces output voltage signals with respectively untimed phase responses. A rectification circuit combines the voltage signals into a combined DC voltage output, and an inverter connected to the rectification circuit converts the DC voltage output to an AC voltage output. A battery charger connected to the inverter receives the AC voltage output for charging the battery. The harvested power includes power from voltage sources with unregulated, or untimed, phase responses.

Abstract: Embodiments herein relate to a walk behind garden tool chassis, which chassis comprises a first chassis part (11) and a second chassis part (12). The first chassis part (11) is arranged to receive an engine (2) of the garden tool (1), and to receive a first wheel assembly (3) of the garden tool (1). The second chassis part (12) is arranged to receive a handle assembly (4) of the garden tool (1), and to receive a second wheel assembly (5) of the garden tool (1). The first and second chassis parts (11, 12) are interconnected by means of vibration damping means (13).

Abstract: A rotary implement includes a metallic body that is rotatable around an axis. The metallic body includes a tapered leading edge having an interface surface and an opposite, free surface. The metallic body has a first composition. A metallic layer has a first side surface that is attached to the interface surface and a free, second side surface opposite from the first side surface. The metallic layer has a second, different composition from the first composition. A rotary machine can include an actuator and the rotary implement operably coupled to the actuator. A method for making a rotary implement includes providing the metallic body that has the tapered leading edge having the interface surface and the opposite, free surface. The metallic layer is then attached to the interface surface of the metallic body.

Abstract: A walk power mower has a mower deck that encloses a pair of rotary cutting blades with the grass clippings from the blades being discharged through a rearwardly extending grass discharge tunnel in a rear bagging mode of operation. The blades are powered by a timed drive system that is carried by a horizontal apron that is part of a cast aluminum engine mount. The engine mount and the apron are bolted to a stamped steel deck shell that forms the cutting chamber in which the blades rotate. The mower has a side discharge mode in which a side discharge chute is releasably mounted over a side discharge opening. The chute carries a flow cutoff baffle having an inwardly protruding inner end that sticks through the side discharge opening to intercept and direct the clippings out through the side discharge opening and through the chute in the side discharge mode.

Abstract: A variable speed, self-propelled walk-behind lawnmower includes a housing, a blade housed within the housing for cutting and a handle extending rearwardly from the housing. The handle includes a slidably mounted speed control member movable for adjusting a speed at which a transmission mounted on the housing drives a wheel rotatably mounted to the housing with motive of power from an engine mounted on the housing.

Abstract: A mower for cutting grass includes a platform with a motor located thereon. A door on the platform has a first position blocking a discharge and a second door position away from the discharge. A bag has an inlet that mates to a discharge. A support is connected to the platform and a door prop is movably mounted on the support. The door prop has a first position not in engagement with the door to permit the door to be in the first position and having a second position in which a segment of the door prop engages with the door to retain the door in the second position. A handle extends up from the platform. An operable member is mounted on the handle. A connector extends between the door prop and the operable member to transmit force to move the door prop.

Abstract: A lawn mower wheel (2) is provided. The lawn mower wheel (2) comprises a hub (3) arranged for attachment to a lawn mower wheel axle extending in an axial direction. The lawn mower wheel (2) comprises a tread (4). The tread (4) has a tread width (8) in the axial direction. The tread is a web structure of material portions (6) separated by through openings (7) to reduce the area of the tread (4) onto which grass clippings may attach. The lawn mower wheel (2) comprises a rim (5). The rim (5) extends from the hub (3) to the tread (4). The rim (5) has a rim width (9) in the axial direction. The rim width (9) corresponds to less than half of the tread width (8), to allow grass clippings to fall from one through opening (7) of the tread (4) to another.

Abstract: A handle mechanism with multiple stop locations and a lawn mower including the handle mechanism includes a handle and a location shifting element with multiple stop locations, the handle being provided with a locking mechanism that is automatically clamped with one of the multiple of stop locations of the location shifting element for fixing or adjusting the handle. A lawn mower, including the handle mechanism, includes a lawn mower body, the handle rotatably connected with the lawn mower body by the handle rotating shaft. The locking mechanism and the location shifting element are equipped with stop locations can be automatically locked, therefore, the operator can adjust the stop locations of the lawn mower conveniently. The locking at the stop locations is accurate and reliable, which largely improves portability, flexibility, and reliability of use.

Abstract: A cordless mower includes a deck, a rechargeable battery, a blade for cutting grass, a blade motor and a drive motor. The deck is supported by front and rear wheels and has a top side, a bottom side, a front end and a rear end. The rechargeable battery is supported on the deck. The blade is on the bottom side of the deck and is coupled with a blade motor. The drive motor is connected to the rear wheels for driving said rear wheels to move the mower. The drive motor is located in a chamber at the rear of the mower adjacent the rear wheels. The chamber has an opening therein to allow air to flow through.

Abstract: A walk-behind lawn mower includes a cutter and a housing covering the cutter for allowing rotation of the cutter to cut grass. The housing includes a front wall portion covering a front part of the cutter and a portion other than the front wall portion. The front wall portion extends laterally of the housing. The front wall portion has a thickness more than twice a thickness of the portion other than the front wall portion. The front wall portion has a downwardly convex bottom surface, and serves as a handle for use in lifting up the lawn mower.

Abstract: A vehicle has first and second rear drive wheels that are driven independently of each other and a pair of front wheels that freely rotate about a vertical axis wherein the rear drive wheels and the front wheels are rotatably mounted to a frame. A locking mechanism is operatively connected to the pair of front wheels to restrain the rotation of the front wheels about the vertical axis and maintain the pair of front wheels in a forward position while the operator engages the locking mechanism. When the operator releases the locking mechanism, the locking mechanism is removed from the pair of front wheels and the pair of front wheels are free to rotate about the vertical axis.

Abstract: A handheld lawnmower has a housing and a pair of wheels mounted on an axle. The axle is mounted to the housing. A handle mount is formed on the housing. The handle is connected to the handle mount, and the handle extends above the housing. An electric motor is connected to a top portion of the housing at a blade assembly cap. A blade assembly has a blade connection header, and a blade shaft is connected to the blade connection header at a blade shaft first end. The blade shaft is connected to a blade junction at a blade shaft second end, and a blade has a leading edge. The blade assembly is mounted in a direction to provide a flat cutting angle for the blade. A battery is electrically connected to the electric motor.

Abstract: A walk-behind work machine in which vibration produced by the driving of an engine is not readily transmitted to an operating handle. The work machine includes a work-machine body having a plurality of mounting parts to which an engine is joined. The mounting parts include a high-rigidity mounting part positioned at a maximally rigid part on the work-machine body, and other mounting parts exclusive of the high-rigidity mounting part. The engine is joined securely to the other mounting parts and is joined more loosely to the high-rigidity mounting part than to the other mounting parts.

Abstract: A cutting system for a lawnmower or the like includes multiple blade assemblies driven by a motor, each motor independently operable with respect to each other motor. The blade assemblies are arranged into a cutting system with a length less than that of the combined length of the blades of the blade assemblies. Blade assemblies include components that align so as to balance the blade upon rotation. These components allow for a single user to attach and disengage the blade from the motor, or portion rotated thereby, with hands alone, absent tools.

Abstract: A rotary cutting deck has a roller striper along a rear side thereof. The roller striper comprises a pivotal frame that rotatably journals a roller made from a plastic roller body. Torsion springs surround the pivots for the frame. The springs put enough downforce on the plastic roller body to lay the cut grass over in a rearward direction as the cutting deck moves forwardly over the ground. The roller striper can be selectively moved into and out of engagement with the ground by a pivotal handle that can be manipulated by an operator from a seat of the lawn mower on which the cutting deck is installed.

Abstract: A stabilizer device for a lawn trimmer prevents back strain on the user while trimming. In addition, the present invention provides a stabilizer device for a lawn trimmer that prevents uneven cut heights during the operation of the lawn trimmer device while the user may stand straight. The stabilizer device for a lawn trimmer includes a bracket system adapted to be attached to a shaft of the lawn trimmer and a base connected to the bracket system. The base includes a vertical frame having a first leg and a second leg. Each one of the legs includes a plurality of retaining fingers connected to a bottom end. The plurality of retainer fingers work together to receive and retain a ball.

Abstract: A mower for cutting grass includes a platform with a motor located thereon. A door on the platform has a first position blocking a discharge and a second door position away from the discharge. A bag has an inlet that mates to a discharge. A support is connected to the platform and a door prop is movably mounted on the support. The door prop has a first position not in engagement with the door to permit the door to be in the first position and having a second position in which a segment of the door prop engages with the door to retain the door in the second position. A handle extends up from the platform. An operable member is mounted on the handle. A connector extends between the door prop and the operable member to transmit force to move the door prop.

Abstract: A handheld lawnmower has a housing and a pair of wheels mounted on an axle. The axle is mounted to the housing. A handle mount is formed on the housing. The handle is connected to the handle mount, and the handle extends above the housing. An electric motor is connected to a top portion of the housing at a blade assembly cap. A blade assembly has a blade connection header, and a blade shaft is connected to the blade connection header at a blade shaft first end. The blade shaft is connected to a blade junction at a blade shaft second end, and a blade has a leading edge. The blade assembly is mounted in a direction to provide a flat cutting angle for the blade. A battery is electrically connected to the electric motor.

Abstract: A walk-behind work machine in which vibration produced by the driving of an engine is not readily transmitted to an operating handle. The work machine includes a work-machine body having a plurality of mounting parts to which an engine is joined. The mounting parts include a high-rigidity mounting part positioned at a maximally rigid part on the work-machine body, and other mounting parts exclusive of the high-rigidity mounting part. The engine is joined securely to the other mounting parts and is joined more loosely to the high-rigidity mounting part than to the other mounting parts.

Abstract: A grass mowing machine with an electric reel drive motor mounted to a cutting reel and connected to an electrical bus. An internal combustion engine drives an alternator to produce a voltage on the electrical bus. An engine speed and voltage limiter monitors the voltage on the electrical bus and, if the voltage exceeds a specified threshold, closes a kill switch to interrupt the ignition function of the engine driving the alternator.

Abstract: A mid-mount riding rotary mower which has a two-piece frame. The frame includes a front section that is pivotally connected to a rear section. The mower deck is carried beneath the mower between the front and rear wheels and is attached to the front frame and follows the movement of the front wheels. The front frame includes swing arms that allow the front wheels to spread open and be clamped for different operating conditions. The mower deck can be removed from underneath the mower when the arms are fully spread.

Abstract: A grass treatment device height adjustment assembly for adjusting the height of a grass treatment tool above ground level comprises a height adjustment mechanism and an elongate rotational element, such as a roller, having first and second ends, said rotational element comprising an axle extending substantially along the longitudinal axis of said element about which said element rotates, the assembly characterized in that the height adjustment mechanism comprises a rotatable member connected to said axle of said rotational element wherein said rotatable member is associated with a second fixed axis of rotation that is substantially parallel to but offset relative to said first rotational axis, said second axis of rotation thereby configured to enable said height adjustment mechanism to adjust the position of said first axis of rotation relative to said second axis of rotation.

Abstract: The wheeled weed trimmer support apparatus provides a vehicle for supporting a weed trimmer by adjustably clamping the trimmer shaft, typically above the shaft bend, in two spaced apart locations. By adjustably supporting the shaft with respect to both height and angular positioning of the trimmer head, a trimmer can be exactly controlled to allow angular cuts, more exact flat cuts, and overall desired positioning of the trimmer cutting line and/or blades. The rapidity with which such adjustments are made, especially accommodated by the t-handled tighteners, is further equally important to the adjustment capabilities themselves. The apparatus importantly provides support for a trimmer so that the load of the trimmer is not born by a user's back, shoulders, arms, and other muscles, joints, and bones.

Abstract: A mower 10 has a rearwardly directed discharge 24 and a handle 32 for gripping by an operator 12 walking behind the mower 10. A motor 18 powers a grass cutting operation to provide a flow of cut grass 26. A collection bag 36 has an inlet to mate with a discharge 24 of a cutting platform 16 for receiving flow of cut grass 26 there through. The bag 36 has a support 30 and a fabric enclosure 40. The fabric allows air to permeate there through while retaining cut grass 26. An opening 56 through the fabric is located on an upper side of the collection bag 36 and adjacent to the inlet of the collection bag 36. A transparent window 54 is attached to fabric and extends across the opening 56 through the fabric to permit the operator 12 to view the flow of cut grass 26 moving from the cutting platform 16 through the discharge 24 and into the bag 36 through the inlet of the collection bag 36 from an operator 12 position.

Abstract: A mower 10 is provided for cutting grass where the mower 10 includes a body 12 with a mower deck 16, a motor 14, a baffle 30, and a battery 52. The mower deck 16 has a downwardly-open interior within which grass is cut. The motor 14 is supported upon the mower deck 16 and supplies a motive force for a mowing operation where the motor 14 includes at least a portion operable by electrical energy. The baffle 30 is located within the interior of the mower deck 16 where the baffle 30 bounds an area within the mower deck 16. The battery 52 is located within the interior of the mower deck 16 and is located within the area bounded by the baffle 30. In another example, the mower deck 16 and the baffle 30 are configured for substantially restraining the movement of the battery 52. In an example method, the battery 52 is installed within a baffle 30 that is secured within an interior of the mower deck 16.

Abstract: A wheel for a piece of lawn equipment specifically designed not to produce tracks in the lawn as the lawn equipment moves over the lawn. The wheel is made of two parallel circular discs spaced apart by a center spacer. The two discs are relatively thin and thereby have minimal contact with the grass blades when rolling over the lawn. The height of the wheel and the diameter of the axle are sufficient so that glass blades on the lawn are not bent downward and extend upward between the two discs. An optional ring structure made of rubber or similar material is attached over the perimeter edge of each disc to provide greater traction and to protect the edge from damage. Located inside the wheel axle is an optional bushing or wheel bearing.

Abstract: The method for analyzing the structure of cultured hedges, equally applicable by day or by night, for a mobile, continuously-moving machine in tied or staked plantations such as vineyards, includes a system using an artificial vision system, working by transmission, which permits a detection of the shadowing of the light between one or more transmitters and one or more detectors to one side and the other of the hedge. The information generated by said shadows of light are processed by an electronic analysis system, programmed or embodied to examine the elements of the structure of the hedge.

Abstract: Power equipment widely used in commercial, residential and recreational settings comprises a host implement and a demountable motor. The host implement has a frame, a mounting block with a first latch component secured to the frame, a driven shaft connected to the frame with a working piece connected to one terminus and a self-locating and locking coupler on the other terminus. The demountable motor has a spacing block with a second latch component and further has a drive shaft extending through the spacing block. The drive shaft has a second self-locating and locking coupler on its terminus. When the demountable motor is positioned on the host implement, the respective couplers mechanically mate so a power from the demountable motor can be transferred to the working piece. The latch components of the mounting block and spacing block interact to hold the host implement to the demountable motor.

Abstract: A mid-mount riding rotary mower which has a two-piece frame. The frame includes a front section that is pivotally connected to a rear section. The mower deck is carried beneath the mower between the front and rear wheels. The mower deck is attached to the front frame and follows the movement of the front wheels. The front frame includes swing arms that carry the front wheels from a first position in front of the mower to a side position for deck maintenance. In the maintenance position the deck can be removed from under the mower easily by rolling the deck forward. Either detachment of the deck or telescoping arms enable the deck to be moved out from under the mower. The deck can then be tilted up to a stable vertical orientation for maintenance of the blades.

Abstract: A grooming device for use on a walk behind mower which has an operator's handle. The lawn grooming device includes an adjustable tow bar mounted on an operators handle of the walk behind lawn mower; a hitch member mounted on the adjustable tow bar; and a weighted earth engaging roller assembly releasably coupled to the hitch member, and oriented in trailing relation relative to the walk behind lawn mower, and wherein the weighted roller assembly is pivotally moveable in both a horizontal and vertical plane relative to the tow bar.