Abstract: An internal combustion engine includes an engine block, a crankshaft configured to rotate about a crankshaft axis, a flywheel coupled to the crankshaft and positioned above the engine block, an outer housing positioned above the engine block and the flywheel, and an electric starting system. The electric starting system includes an electric motor and an energy storage device positioned above the flywheel and below the outer housing. The energy storage device is electrically coupled to the electric motor to power the electric motor. When the electric starting system is configured to rotate the crankshaft to start the engine when the electric starting system is activated.

Abstract: A work machine includes a housing, a motor positioned on an upper surface of the housing, a battery connected with the motor, and a blade to be driven by the motor. An air introduction member that cools a control device by causing air to flow is provided on an inside of a motor case. Plural bottom surface ventilation ports and plural side surface ventilation ports are provided in the motor case. Both of the ventilation ports cause air to flow into the inside of the motor case. The plural bottom surface ventilation ports and the plural side surface ventilation ports are disposed at positions lower than the air introduction member and the control device.

Abstract: A brush cutter device having a latch assembly for securing a movable cutter guard in a closed position when the brush cutter is tilted beyond a predetermined angle. The guard is combined with a side of the housing and movable between a closed position and an open position. A latch is combined with a portion of the housing and is capable of moving between a retracted position wherein the guard is able to move freely between its open position and its closed position and an engaged position wherein the latch prevents the guard from moving to its open position. Upon tilting the brush cutter beyond a certain angle, gravity acts on the latch causing it to move from its retracted position to its engaged position. The guard would move from its closed position to its open position upon tilting the brush cutter beyond a certain angle, however, the latch is moved beyond its pivot point before the guard moves beyond its pivot point to lock the guard in its closed position.

Abstract: A lawn mower may include a cutter propulsion unit, a transmission axle that may have a longitudinal extension and may be adapted to be rotated by the cutter propulsion unit. The lawn mower may further include a cutting disc that may have a radial extension (R) that runs between a center and an outer edge, where the cutting disc may include one or more cutting edges that may be adapted to cut grass when the cutting disc may be brought into a rotational motion by means of the transmission axle. The cutting disc may further include a connection portion which may be adapted to receive a coupling member, which may be included in the transmission axle, in at least two different mounting positions that may be adapted to position the connection portion in mutually separated positions along the longitudinal extension (L, L?).

Abstract: The disclosure proceeds from an autonomous lawnmower having a chassis, a motor for driving a cutting device, and a height adjustment device for a displacement of the cutting device and of the motor relative to the chassis, at least for setting a working height of the cutting device relative to the chassis, in particular for setting a cutting height of a cutting tool of the cutting device, wherein the height adjustment device has a hollow cylindrical rotary body and a sliding seat surrounding the rotary body, which rotary body and sliding seat have corresponding threads such that a rotation of the rotary body results in a linear displacement of the sliding seat. One of the threads has at least two thread sections, wherein the one thread section is elastically displaceable radially in relation to the thread axis.

Abstract: There are included front and back slope portions attachable to and detachable from storage positions and use positions, front and back holding portions capable of engaging with engagement portions of the front and back slope portions as attached to the storage positions and holding the front and back slope portions at the storage positions, and a disengaging operation tool capable of being manually operated to a disengaging position at which the front holding portion and the back holding portion are releasable from the engagement portions of the front and back slope portions and at which the slope portions are detachable from the storage positions.

Abstract: There are included a passage portion provided at an upper surface portion of a mower deck, front and back slope portions and provided at front and back portions of the passage portion, front and back supporting portions supporting the slope portions in such a manner that the slope portions are movable in the front-back direction and swingable in the up-down direction, and front and back linking portions that are supported in such a manner as to be swingable in the front-back direction about axes extending in the left-right direction and that are connected with the slope portions. Operating the front and back linking portions in the front-back direction causes the front and back slope portions to be operated to the storage and use positions.

Abstract: A ride-on vehicle, such as a zero turn radius lawnmower, includes a main chassis having first and second pivot joints, a first rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, and a second rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, wherein the first rocker arm and the second rocker arm are independently pivotally coupled to the respective first and second pivot joints of the main chassis at a location between the caster wheels and the drive wheels. The ride-on vehicle may also include a modular mower deck assembly with a plurality of mower deck modules having a blade assembly, an electric blade motor configured to provide rotation to the blade assembly, and an attachment assembly configured to enable attachment between adjacent mower deck modules.

Abstract: A lawn mower robot includes a water tank configured to store water, a nozzle, and a cleaning module that is configured to clean the cutting blades of the robot by spraying water stored in the water tank on the blades through the nozzle.

Abstract: A lawn care device including a mobile support apparatus, a grass cutting mechanism coupled to the mobile support apparatus and a lawn striping device coupled to the mobile support apparatus. The lawn striping device has a grass contacting member and at least one torsional restraining device coupled to the mobile support apparatus. The torsional restraining device is coupled to the grass contacting member. The torsional restraining device allowing a restrained pivoting of the grass contacting member relative to the mobile support apparatus.

Abstract: A lawn maintenance device has a transverse center line, a frame, and a power source including an output shaft attached to the frame. The lawn maintenance device further includes a rotating cutting blade. A left side is located on one side of the transverse center line and a right side located on a second side of the transverse center line. A plurality of ground engaging members are attached to the frame enabling movement of the lawn maintenance device along an associated driven surface. The ground engaging members on the left side are located at a first distance from the transverse center line that is different from a second distance that those on the right side are located from the transverse center line. Another example includes ground engaging members on opposite sides of the lawn maintenance device being located at different distances from a central axis of the cutting blade.

Abstract: A mower deck insert includes a first cutting chamber, a second cutting chamber, and a discharge passage extending adjacent to the first cutting chamber and the second cutting chamber. The first cutting chamber includes a first axial scroll extending about a first vertical axis. The first axial scroll includes a first upper surface having a first start region and a first end region. The second cutting chamber includes a second axial scroll extending about a second vertical axis. The second axial scroll includes a second upper surface having a second start region and a second end region. The first start region is vertically lower than the first end region, and the second start region is vertically lower than the second end region.

Abstract: Three-point hitch mount systems for connecting an implement to a tow vehicle having two lower hitch arms and an upper link arm are disclosed. The hitch mount systems may include a lift bar configured to be attached to the two hitch arms of the tow vehicle. The hitch mount systems may include a yoke assembly. The yoke assembly includes a forward-facing slot and a downward-facing slot for removably receiving the lift bar.

Abstract: A riding mower includes front wheels and rear wheels that support a vehicle body frame on the ground surface, a driver's seat disposed upwardly of the vehicle body frame, a mower deck disposed downwardly of the vehicle body frame and a cutting guide device configured to create an overlap mark that hints a cutting overlap line at a position forwardly of the front wheels and the mower deck and closer to the ground surface than the vehicle body frame.

Abstract: A pallet truck wheel assembly for use on a pallet truck comprises an axle extending in a horizontal plane that includes a central portion configured to couple with a steering column of a pallet truck and shoulders at each terminal end of the axle. A pair of rear steer wheels having center bores receiving and rotatable about the axle are mounted on the axle in a spaced-apart configuration so that a central portion of the axle spaces the wheels apart between inboard portions of the steer wheels and the shoulders are exposed on each outboard portion of the steer wheels. A toe guard coupled only to the shoulders of the axle includes a protective element that extends around the back of the wheels and below the axle so that an operator's toes are prevented from sliding under the rear steer wheels of the pallet truck.

Abstract: A cutting deck for housing first and second cutting blades rotatable inside a cutting chamber is provided. The cutting deck includes a weldment including a top plate and side plates. The top plate includes first and second shaft reception orifices, and a flow control assembly extending away from the top plate to define an airflow channel between the flow control assembly and the side plates. The flow control assembly includes a first directional changing portion proximate to the first shaft reception orifice and a second directional changing portion proximate to the second shaft reception orifice. The first and second directional changing portions are separated from each other by straight portions. The first and second directional changing portions are passed over only by respective ones of the first and second cutting blades, and both the first and second cutting blades pass over the straight portions.

Abstract: A lawn mower deck includes a deck body having a through hole. The deck body includes a chute. The chute forms a groove which is around the through hole and opened downwards. Reinforcing members are mounted to both sides of the deck body in the width direction.

Abstract: A walk aerator comprises a housing supported by a plurality of wheels that include a pair of drive wheels. The drive wheels are pivotally mounted to the housing to permit the housing to move between operational and transport positions thereof. A control is used to so move the housing with the control having a hand grip whose height above the ground is easily adjustable to accommodate users of different effective heights. A foot guard maintains a relatively constant disposition relative to the ground whether the housing is in its operational or transport position. The housing of the aerator has a vent system and an air gap relative to a prime mover deck which cool a traction drive system contained within the housing.

Abstract: A height adjustment mechanism for a tractor mounted lawn mower deck has a rotatable dial adjuster that moves a cam having a plurality of bearing surfaces engaged by the adjustment mechanism.

Abstract: A cutter guard for a rotating blade of a lawn mower, particularly for a robotic, self-guided or autonomous lawn mower forms a cutting bowl in which the blade is mounted for rotation about a generally vertical axis. The guard comprises a generally planar guard section surrounded by an arcuate section, transverse edges of which define an opening in the cutter guard, which in operation is pointed to the front of the lawn mower, to allow uncut grass to be accessed by the cutting blades. The arcuate section comprises a plurality of apertures.

Abstract: A side deck weed eater system for a lawn mower comprising a weed eater attached to an outer portion of a deck of the lawn mower, where the weed eater includes: a shaft as a central portion of the weed eater, where the shaft is rotated by a belt coupled to a pulley system of the lawn mower; an arm attaching the shaft to the outer portion of the deck; a trimmer base attached to a bottom portion of the shaft; and a trimmer line extending from the trimmer base, where the trimmer line and the trimmer base turn as the shaft is rotated by the belt, wherein the weed eater enables a user to trim and cut a lawn simultaneously while the lawn is mowed.

Abstract: For providing a lift linkage with easy mounting operation, this invention provides a lifting link mechanism which lifts a mower deck comprising: a front bracket attached to a front portion of the mower deck, a front link coupled to the front bracket, a rear bracket attached to a rear portion of the mower deck, and a rear link coupled to the rear bracket, wherein a protrusion formed in the rear link is fit into a notch portion of the roar bracket and at least the rear link is coupled in a rotatable manner about the protrusion.

Abstract: A mower has one central and at least one laterally arranged mowing device. The mowing devices each have a mower structure having mowing knives that are drivable in rotation underneath the mower structure about a vertical rotation axis. The ends of the mowing knives describe a circular path, and a guiding element is arranged on at least one laterally arranged mowing device underneath the mower structure, the guiding element at least partially surrounding the circular path and extending downwardly from the mower structure such that cut material cut by a mowing knife is retained or guided away by the guiding element.

Abstract: A system for mounting a mulching insert to a lawn mower includes a cutting deck configured to receive the mulching insert and a spindle extending from the cutting deck. The spindle is configured to support a cutting blade for rotation relative to the cutting deck. The system also includes a spindle housing mounted to the cutting deck and surrounding the spindle. The system further includes a mounting member coupled to the spindle housing. The mounting member is configured to support the mulching insert within the cutting deck.

Abstract: An electric lawn mower may include a mower body including an electric motor, a cutting blade rotatably driven by the electric motor for mowing a lawn, a battery mount configured to hold a battery, and a lock including a key and a key receiver for locking and unlocking the electric motor. The key receiver may be spaced from the battery mount and when the key is inserted into the key receiver, the electric motor may be unlocked for operation.

Abstract: An electric lawn mower may include a mower body including an electric motor, a cutting blade rotatably driven by the electric motor for mowing a lawn, and a battery mount configured to hold a battery where the electric motor is driven by electric power from the battery, and the battery is mountable on the battery mount at a mount position where the battery is positioned higher than the electric motor and rearward of an axis of the electric motor.

Abstract: A walk behind garden tool chassis including a first chassis part and a second chassis part. The first chassis part is arranged to receive an engine of the garden tool, and to receive a first wheel assembly of the garden tool. The second chassis part is arranged to receive a handle assembly of the garden tool, and to receive a second wheel assembly of the garden tool. The first and second chassis parts are interconnected by vibration dampers.

Abstract: A front baffle assembly (1) for a lawn mower (30) is provided. The front baffle assembly (1) is adapted for attachment to a lawn mower chassis (2), and comprises a stopper (5a, 5b) configured to abut against an upper side of the chassis (2) and a front baffle (4) configured to abut against a lower side of the chassis (2). The front baffle assembly (1) comprises a catch element (6a, 6b) which protrudes downwardly from the stopper (5a, 5b) and is arranged to extend through the chassis (2) and beyond a lower side of the front baffle (4). The front baffle assembly (1) comprises a front axle (7) arranged to be received between the catch element (6a, 6b) and the lower side of the front baffle (4) to clamp the chassis (2) between the stopper (5a, 5b) and the front baffle (4).

Abstract: A riding lawn care vehicle may include a steering assembly and an indicator system may be incorporated into a portion of the steering assembly. The steering assembly, which may be, for example, a steering lever on a zero-turn vehicle, is coupled to a mechanism to move at least one wheel, and the indicator system may includes at least one illuminating element and/or display device that is configured to visually communicate information to an operator in response to detection of a predetermined trigger or condition occurring.

Abstract: A riding lawn care vehicle (10) may include a frame, a steering assembly (30), a cutting deck (50) and a lifting assembly. Wheels (32,34) of the riding lawn care vehicle may be attachable to the frame. The steering assembly may be operably coupled to wheels of the riding lawn care vehicle to provide steering inputs to the wheels. The cutting deck may house at least one cutting blade and may be attachable to the frame. The cutting deck may include at least two cutting deck wheels (52) to facilitate level cutting responsive to operation of the at least one cutting blade when the cutting deck is in a cutting position in which the at least two cutting deck wheels contact the ground. The cutting deck may be liftable to an elevated position in which the at least two cutting deck wheels are not in contact with the ground.

Abstract: An agricultural machine suitable for the harvesting of crops, equipped with a height-adjustable feeder which at its rear side is linked to the machine and to which on its front side a header for crops can be attached, and wherein the machine is equipped with one or more lifting devices equipped with a lifting cylinder which exerts force on a beam-shaped element that is connected with hinges to the feeder in a hinge point on the front of the feeder, and wherein the cylinder exerts force on the beam-shaped element at a point located further back with respect to the hinge point.

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: lawn mower designs are provided that enhance the efficiency and/or flexibility of use. In a first embodiment, a lawn mower is provided that includes at least one side/wing mowing deck that is movable relative to the main mower deck in a substantially horizontal plane. Thus, the movably mounted side/wing mowing deck(s) may be repositioned relative to the main mower deck based on a user's desires, e.g., based on the size and/or geometry of the lawn/yard being mowed. In a second embodiment, a swivel joint is provided between a handle assembly and lawn mower deck to facilitate utilization of the disclosed lawn mower. The handle assembly may include a locking mechanism that permits the handle assembly to be fixedly positioned relative to the lawn mower deck. Release of the locking mechanism permits repositioning of the handle assembly relative to the lawn mower deck, e.g., to facilitate navigation of the lawn mower deck relative to lawn/yard features and/or geometries.

Abstract: A mower comprising an edge guide located adjacent an outer surface of a side wall and at least partially surrounding an opening. The edge guide comprises an inlet and is arranged to guide vegetation towards the opening. The edge guide defines a channel having at least one direction change between the inlet and the opening such that there is no line of sight between the inlet and the cutter element. By providing an edge guide having a convoluted path or channel, an opening in the side wall of the cutter housing can extend vertically up to the plane of the cutter element while still providing a radially-enclosed cutter element as required by safety regulations. Therefore, edge-located vegetation can be fed to the cutter in a more upright configuration for improved cutting.

Abstract: A mower unit configured to be supported to a work vehicle at a position between front wheels and rear wheels, comprises a mower deck; at least one blade supported by the mower deck; a climb-up assist member in which an inclined surface is formed for assisting the wheels in climbing over the mower unit; and a connecting device for detachably connecting the climb-up assist member to the mower unit in a service position in which the inclined surface assists the wheels in climbing over the mower unit.

Abstract: A floor seal for a forwardly facing opening through a floor of a plant cutting machine through which a knife arm extends for side to side reciprocating movement for driving a sickle of the machine as the machine is moved forwardly for performing a plant cutting operation. The floor seal includes a stationary outer peripheral seal element engaged with a peripheral edge of the floor about the opening and carrying a cover element in covering relation to the opening about the knife arm and defining and bounding a forwardly facing aperture containing the knife arm and an inner peripheral seal element carried in the aperture by the cover element bounding and forming a barrier to entry of loose material or sealed condition about the knife arm and movable side to side therewith relative to the outer seal and cover.

Abstract: A front baffle assembly (1) for a lawn mower (30) is provided. The front baffle assembly (1) is adapted for attachment to a lawn mower chassis (2), and comprises a stopper (5a, 5b) configured to abut against an upper side of the chassis (2) and a front baffle (4) configured to abut against a lower side of the chassis (2). The front baffle assembly (1) comprises a catch element (6a, 6b) which protrudes downwardly from the stopper (5a, 5b) and is arranged to extend through the chassis (2) and beyond a lower side of the front baffle (4). The front baffle assembly (1) comprises a front axle (7) arranged to be received between the catch element (6a, 6b) and the lower side of the front baffle (4) to clamp the chassis (2) between the stopper (5a, 5b) and the front baffle (4).

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 round mower deck for a rotary lawn mower may have a leading edge extension near the sides of the deck to improve cutting performance at the edge of a cutting swath. The leading edge extension may be mounted on an otherwise curved leading edge of a mower deck within the last few inches of the deck width. The leading edge extension may overlap some portion of the cutting stroke of a blade, and may prevent grass from being deflected away from the blade, resulting in a poor cut near the edge of a cutting swath. In some cases, the extension may be removable and may be added to an existing mower deck.

Abstract: A foldable top cover for an agricultural mower that includes first and second generally planar cover portions connected by an intermediately positioned hinge that reduces the required overhead clearance necessary for opening the top cover. The hinge connection axis is offset in a first direction from the from plane of the cover portions and further includes hinge stops on the first and section portions that limit the hinge motion so that the first and second portions are maintained in a generally co-planar arrangement when in an operating position but may be folded in a direction opposite to the offset direction of the hinge connection thereby allowing the top cover to be compactly repositioned for service access to the mower.

Abstract: A mowing tool using a line or blade to safely and easily mow steep hills from any direction. This device can easily and safely be lifted off the mowing surface without strain nor damage to the unit. Another novelty is the method used to change a trimmer line for a blade. The device has a detachable contouring protective skirt which simplifies cleaning the device while protecting surroundings. The handle has a torquing mechanism which allows the user to optimize applied force by allowing a smooth yet powerful movement which decreases operating time and reduces user fatigue. The pivot frame is attached to a rotating disc which allows the user to mow in any direction. The pivot frame can also be extended further enhance utility. These characteristics enhance security and decrease risk of injury by helping the user to eliminate useless risks and remain on stable ground to mow slopes.

Abstract: A rotary mower apparatus includes a mower deck with a frame, an upper skin attached to the frame, and a lower skin removably attached to the frame below the upper skin such that a separation distance is provided between the upper and lower skins. A blade assembly is removably mounted to the deck below the lower skin and a drive is mounted to the deck and is operative to rotate the blade assembly. The lower skin can also be provided with retarding members on the underside thereof to retard the flow of cut vegetation, and to thereby cut the vegetation into smaller pieces.

Abstract: A cutter guard for a rotating blade of a lawn mower, particularly for a robotic, self-guided or autonomous lawn mower forms a cutting bowl in which the blade is mounted for rotation about a generally vertical axis. The guard comprises a generally planar guard section surrounded by an arcuate section, transverse edges of which define an opening in the cutter guard, which in operation is pointed to the front of the lawn mower, to allow uncut grass to be accessed by the cutting blades. The arcuate section comprises a plurality of apertures.

Abstract: Disclosed is a rear discharge lawn mower assembly having a rearwardly-directing mower deck, a plurality of cutting blades, and rear housing and clippings pathway adapted to direct clippings through the rear of the mower assembly while shrouding the rear drive elements and tires of the mower from flying debris. The rear housing comprises an enclosed volume that shrouds the axle and rear drive elements of the mower, while further providing a pair of downwardly suspended tire shields and a rear access panel for allowing access into the housing for mower maintenance purposes. The mower deck routes clippings through a rear discharge, wherein clippings and debris are then directed into a space defined by the rear housing lower surface shield and the tire shields. In this way, grass, wood chips, glass and other hardened debris is exited from the mower without damaging the tires or drive elements of the mower.

Abstract: A shroud for the rearward periphery of the cutter knives on a rotary disc cutterbar that creates a floor surface slightly above and adjacent to the rotating plane of the knives thereby reducing the tendency for cut crop material to fall into contact with the knives along the rearward periphery of the cutterbar.

Abstract: A mower deck level gauge and procedure are provided to level and align a mower deck suspended from a vehicle and covering at least one rotary cutting blade. The mower deck has a deck height adjustment control indicating the cutting height, and the rim of the mower deck has deck level measuring points marked thereon, and a bracket at the front of the mower deck having a deck level measuring point marked thereon. A one-piece gauge is dimensioned to fit under each deck level measuring point at a specified cutting height.

Abstract: The rear shield of a walk-behind lawnmower extends downward from a rear end part of a housing and is in the form of an elastic sheet. The sheet has a thin-walled part formed in a central site in a heightwise direction between an upper end part and a lower end part, the upper end part being attached to the rear end part of the housing. The thin-walled part has a thickness set to be smaller than a thickness of other parts.

Abstract: A mower apparatus includes a mower deck having a first deck section, a second deck section pivotable relative to the first deck section, and a latch. The latch is actuable between a first position in which the latch maintains the second deck section in a lowered position and a second position in which the latch maintains the second deck in a raised position.

Abstract: A deck having a horizontally oriented top wall and a vertically oriented side wall and an opened bottom. The deck has a front and a back. A pair of front wheels extend from the side wall adjacent to the front. A pair of rear wheels extending from the side wall adjacent to the rear. An open front is formed in the side wall forwardly of the front wheels. An open side is formed in the side wall laterally between a front and adjacent rear wheel. An open rear is formed in the side wall rearwardly of the rear wheels. A motor is mounted in a central region of the deck with a rotatable drive shaft extending vertically downwardly therefrom. A rotatable blade is mounted on the drive shaft.

Abstract: A rotary mower has a lift frame comprising swiveling linkages that allow rotation of the deck with respect to a three point hitch. The lift frame further has a pair of angled legs rotatably affixed to the lift frame, each angled leg having an upper end and a lower end, the lower ends rotatably affixed to pivot brace brackets rigidly affixed to the deck. Each angled to of the lift frame is rotatably affixed to One or more pivot bars near the upper end of tile angled leg. Each end pivot bar extends upwardly between the angled leg and an upper end of the lift frame. A shield covers the pivot bars to protect the users.