Abstract: A mower system comprising a powered mower, a connecting device connected to the powered mower and an attachment connected to the powered mower through the connecting device for conducting specified function during the operation of the mower system. The connecting device includes a mounting assembly mounted to the powered mower and a base rotatably mounted to the mounting assembly for driving the attachment being rotated together with the base in a horizontal plane relative to the powered mower. The utilization rate of the powered mower is effectively improved because other working functions can be conducted by the attachment which is connected to the powered mower through the connecting device.

Abstract: A work vehicle is provided. The work vehicle includes a housing, a first motor, a working part, a position adjustment mechanism and an abutment part. The first motor has an output shaft. The working part includes a member coupled to the output shaft. The position adjustment mechanism includes a second motor, and is configured to change a position of the working part with respect to the housing. The abutment part includes a surface, and is disposed on the housing. The position adjustment mechanism is configured to change the position of the working part such that the abutment part abuts the working part when the working part arrives at a position closest to the housing.

Abstract: The invention provides a mower. The mower comprises a housing and a cutting device arranged in the housing. The mower is provided with a height adjustment device. The height adjustment device comprises a rotating member and a traction member arranged on the housing. One end of the traction member is fixed on the rotating member, and the other end of the traction member is fixed on the cutting device. The rotating member rotates to drive the traction member to adjust the height of the cutting device. Such an arrangement makes the mower have a simple structure, save internal space of the mower, and be convenient to operate.

Abstract: A mower and an attachment device or mount having a frame attachment clamp to removeably affix to the wheel support frame, a pivotable linkage arrangement to position a string trimmer proximate either front wheel of the lawnmower, and a grade wheel to maintain a designated height of string trimmer above grade. The attachment device or mount may enable the operator to attach the frame attachment clamp to either front wheel enabling the operator to look ahead and anticipate where the lawnmower needs to be driven and simultaneously to position the string trimmer for trimming and edging operation around landscapes and borders on either the left or right side of the lawnmower.

Abstract: A mower deck transport lock includes a striker bracket mounted to a rock shaft and extending downwardly and forwardly to engage a height of cut support at any of a plurality of height of cut positions. A transport lock pin positioned adjacent the height of cut support can slide between a first position and a second position. A spring biases the transport lock pin toward the first position and into engagement with the striker bracket to support the mower deck at a transport height above the plurality of height of cut positions. A transport lock disengagement pedal urges the transport lock pin to slide towards the second position to disengage the transport lock pin from the striker bracket.

Abstract: A drive over mower deck automatic locking mechanism includes a lift frame engaging a drive over mower deck, and a pair of locking plates pivotably connected to the lift frame. The locking plates lock the drive over mower deck to the lift frame when the lift frame raises the drive over mower deck to a mowing or transport position, and unlock the drive over mower deck from the lift frame when the lift frame lowers the drive over mower deck to an installation position.

Abstract: A lawn mower robot includes an outer cover; an inner body accommodated into the outer cover to mount a plurality of wheels on sides thereof; a plurality of blades rotatably mounted on a bottom surface of the inner body to mow grass; a plurality of support portions arranged in front-rear and left-right directions on an upper portion of the inner body to movably support the outer cover in front-rear and left-right directions with respect to the inner body; a UI module mounted on an upper portion of the inner body, and provided with a user control panel and an information display unit on an upper portion thereof; and a UI dust cover mounted on an inner side of the outer cover to block dust inside the outer cover from entering into the user control panel and the information display unit, thereby preventing dust from entering into the UI module.

Abstract: A riding lawn care vehicle may include a frame, a power unit, and a cutting deck. The frame may be operably coupled to wheels of the riding lawn care vehicle. The power unit may be operably coupled to the wheels to provide drive power to the wheels. The cutting deck may be selectively powered by the power unit and operably coupled to the frame via a height adjustment assembly. The height adjustment assembly may be configured, based on actuation of an operating assembly, to be selectively transitioned into and out of a locked state in which the cutting deck is retained at a selected height, and selectively transitioned out of a transport mode.

Abstract: A lawn mower includes a driving source mounting portion formed in a traveling frame, a driving source mounted in the driving source mounting portion, and a lawn mowing unit attached to the driving source. A bottom surface of the traveling frame includes a frame-side seal surface surrounding the lower end of the driving source mounting portion, and a lawn mowing unit peripheral surface surrounding the frame-side seal surface. A waterproof member is in tight contact with the frame-side seal surface. The lawn mowing unit peripheral surface is formed over a range from an outer circumferential edge of the frame-side seal surface to an outer circumferential edge of the lawn mowing unit. A boundary between the frame-side seal surface and lawn mowing unit peripheral surface is formed into the shape of a step.

Abstract: A power tool is provided with a drive motor and a drive shaft connected to the drive motor so as to be driven in rotation about an axis of rotation. A disk is fixedly secured to the drive shaft so as to rotate with the drive shaft. At least one knife is arranged on a face of the disk that in operation of the power tool is facing the ground. The at least one knife is fixedly connected to the disk and a driving torque for rotatingly driving the at least one knife about the axis of rotation is transmitted from the disk onto the at least one knife. A spacing of a radial outer edge of the at least one knife relative to the axis of rotation is smaller than a radius of the disk.

Abstract: A grass mowing machine operator platform includes a one-piece plastic composite molded structure with a top surface and an outer wall, and a plurality of slots in the top surface and outer wall. A pair of steering levers may be pivotably mounted to steering pivot bolts in the slots in the top surface, and a brake lever pivotably mounted in a slot in the outer wall. The slots where the steering levers and brake lever are mounted have integral bearing surfaces.

Abstract: A transport lock assembly for the mower deck of a lawn mower automatically engages when the deck is lifted to a clearance height. The transport lock assembly includes a transport lock that is biased into a locking position by a biasing member. The transport lock engages a surface of a deck prop that is also used in the lawn mower's height-of-cut assembly. The transport lock assembly includes a transport lock actuator that is used to disengage the transport lock, and also includes a transport lock disabling mechanism that prevents the transport lock from automatically engaging.

Abstract: A deck lifting and height of cut assembly for a lawn mower, in which the deck lifting assembly includes at least one movable component and the height of cut assembly includes a height adjustment mechanism having a plurality of stop surfaces. A prop extends between the movable component of the deck lifting assembly and a first stop surface of the height adjustment mechanism to prevent the cutting deck assembly from lowering below a first height. The height adjustment mechanism is adjustable to place a second stop surface in engagement with the prop so that the cutting deck assembly is prevented from lowering below a second height different from the first height. The prop may also be used to maintain the cutting deck assembly in the full-up position during travel of the lawn mower between work areas.

Abstract: A mower carrying a rotary cutting deck has a height of cut system for adjusting the vertical position of the deck relative to the mower frame for changing or adjusting the height of cut. The height of cut system comprises a pair of parallel cross shafts that carry a plurality of pivotal suspension linkages that connect to the deck, the cross shafts and linkages pivoting jointly with one another and with a pivotal control lever. One of the cross shafts carries a torsion spring to counterbalance the weight of the deck. The control lever is maintained in a plurality of adjusted pivotal positions by a height selection bracket fixed to the frame with the height selection bracket being capable of having its position changed or adjusted relative to the frame by a single adjustment bolt. Each suspension linkage has its effective length adjusted by turning a threaded adjuster carried at the upper end of a connecting rod that is part of each linkage to allow the deck to be leveled relative to a reference plane.

Abstract: A grass cutting machine with two cutting units mounted on opposite sides of the chassis has an inclinometer monitoring the left/right inclination of the chassis. If the inclination value exceeds a defined threshold, the higher of the two cutting units is lifted to improve stability.

Abstract: A mower carrying a rotary cutting deck has a height of cut system for adjusting the vertical position of the deck relative to the mower frame for changing or adjusting the height of cut. The height of cut system comprises a pair of parallel cross shafts that carry a plurality of pivotal suspension linkages that connect to the deck, the cross shafts and linkages pivoting jointly with one another and with a pivotal control lever. One of the cross shafts carries a torsion spring to counterbalance the weight of the deck. The control lever is maintained in a plurality of adjusted pivotal positions by a height selection bracket fixed to the frame with the height selection bracket being capable of having its position changed or adjusted relative to the frame by a single adjustment bolt. Each suspension linkage has its effective length adjusted by turning a threaded adjuster carried at the upper end of a connecting rod that is part of each linkage to allow the deck to be leveled relative to a reference plane.

Abstract: A lawn mowing vehicle (1) mows a lawn along the travel path of the vehicle. The lawn mowing vehicle (1) includes: at least one electric reel unit having an electric reel (22) raised and lowered by an electric cylinder (26a-26c); sensors (34a-34c) for detecting the travel speed of the vehicle; and a control device (37) for controlling the electric cylinder (26a-26c) according to the result of the detection by the sensors (34a-34c) to thereby control the elevation position of the electric reel (22).

Abstract: A lawn mowing vehicle (1) mows a lawn along the travel path of the vehicle. The lawn mowing vehicle (1) includes: at least one electric reel unit having an electric reel (22) raised and lowered by an electric cylinder (26a-26c); sensors (34a-34c) for detecting the travel speed of the vehicle; and a control device (37) for controlling the electric cylinder (26a-26c) according to the result of the detection by the sensors (34a-34c) to thereby control the elevation position of the electric reel (22).

Abstract: A mower carrying a rotary cutting deck has a height of cut system for adjusting the vertical position of the deck relative to the mower frame for changing or adjusting the height of cut. The height of cut system comprises a pair of parallel cross shafts that carry a plurality of pivotal suspension linkages that connect to the deck, the cross shafts and linkages pivoting jointly with one another and with a pivotal control lever. One of the cross shafts carries a torsion spring to counterbalance the weight of the deck. The control lever is maintained in a plurality of adjusted pivotal positions by a height selection bracket fixed to the frame with the height selection bracket being capable of having its position changed or adjusted relative to the frame by a single adjustment bolt. Each suspension linkage has its effective length adjusted by turning a threaded adjuster carried at the upper end of a connecting rod that is part of each linkage to allow the deck to be leveled relative to a reference plane.

Abstract: A mower carrying a rotary cutting deck has a height of cut system for adjusting the vertical position of the deck relative to the mower frame for changing or adjusting the height of cut. The height of cut system comprises a pair of parallel cross shafts that carry a plurality of pivotal suspension linkages that connect to the deck, the cross shafts and linkages pivoting jointly with one another and with a pivotal control lever. One of the cross shafts carries a torsion spring to counterbalance the weight of the deck. The control lever is maintained in a plurality of adjusted pivotal positions by a height selection bracket fixed to the frame with the height selection bracket being capable of having its position changed or adjusted relative to the frame by a single adjustment bolt. Each suspension linkage has its effective length adjusted by turning a threaded adjuster carried at the upper end of a connecting rod that is part of each linkage to allow the deck to be leveled relative to a reference plane.

Abstract: A rotary cutter implement includes a carrier interface, a frame, and a mower deck including a ball joint interconnecting the mower deck with the frame. The ball joint enables freedom of movement of the mower deck with respect to the frame. A hydraulic motor is mounted on an upper surface of the mower deck and includes an output shaft extending through the mower deck. The hydraulic motor is adapted to operate under the influence of hydraulic fluid provided by the power machine. A rotary cutting blade is operably coupled to the output shaft and rotatable under the mower deck in response to operation of the hydraulic motor.

Abstract: A work vehicle including a control device for moving an implement through a mechanism including an adjustment mechanism for locking the work implement unit with a predetermined stroke position including a rod, a cam engaging unit mounted on the rod and a cam for producing rotation with the cam engaging unit. The cam retains the work implement in a retaining position through first operational movement of the control device for moving the work implement unit from a basic position to a far side position beyond the retaining position and then returning the work implement unit to the retaining position, and allows the work implement unit to return to the basic position through a second movement control device.

Abstract: A height adjustment arrangement (1) for a lawn mower (20) for changing a cutting height is provided. The height adjustment arrangement comprises a respective link arm (2a, 2b) pivotally arranged at opposite sides of the chassis (21), and a transversal rod (5) extending between the link arms (2a, 2b) comprising wheel attachment ends (6a, 6b) configured to protrude outwardly from the respective link arm (2a, 2b).The height adjustment arrangement further comprises a locking arrangement (11) for releasably locking at least one of the link arms (2a, 2b) in a pivot position. The transversal rod comprises connection portions (9a, 9b) which are essentially parallel to the link arms and releasably connected thereto such that pivoting of the link arm (2a, 2b) causes the wheel attachment ends (6a, 6b) to synchronously change the cutting height of the lawn mower chassis (21).

Abstract: A ride-on mower can easily lift mower deck up and down so that it remains horizontal. The ride-on mower has driving motors, mower blades spinning for mowing grass, mowing motors for the mower blades, batteries for the driving motors and the mowing motors, a mower deck for covering the mower blades from the above and sides and for setting the mowing motors on, and a mower deck lifting device for lifting up and down the mower deck. The mower deck lifting device has a booster for assisting the mower deck lifting device in lifting the mower deck up and down, and the mower deck lifting device is set at the center on the mower deck.

Abstract: An adjustable height implement system for an agricultural vehicle. A harvesting implement has an adjustable height. A control system is operably connected in a first operating mode to the harvesting implement to adjust the height of the harvesting implement with respect to the ground. The control system is operably connected in a second operating mode to the harvesting implement to maintain at least a predetermined distance between the harvesting implement and the ground. The second operating mode is engaged in response to the agricultural vehicle satisfying at least one predetermined vehicle operating parameter.

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: A work vehicle including a control device for moving an implement through a mechanism including an adjustment mechanism for locking the work implement unit with a predetermined stroke position including a rod, a cam engaging unit mounted on the rod and a cam for producing rotation with the cam engaging unit. The cam retains the work implement in a retaining position through first operational movement of the control device for moving the work implement unit from a basic position to a far side position beyond the retaining position and then returning the work implement unit to the retaining position, and allows the work implement unit to return to the basic position through a second movement control device.

Abstract: A dual steering system for zero turning radius lawn mowers is provided which enables those without effective use of their arms to drive and steer such lawn mowers. The system hereof may include respective left and right control pedals which are shiftably mounted to respective pedal supports coupled to the mower for use by the operator's legs, and respective linkages which operatively connect the pedals to left and right control levers operatively connected to the mower's drive wheels for causing the drive wheels to move in forward or rearward drive directions. By operating the control pedals alone or in combination with the control levers, the operator may move the zero turning radius mower forward, rearward, or steer it in a desired manner.

Abstract: A lawn mower comprising: a power supply; a chassis for holding the power supply; a fixed shaft attached to the chassis; a rotary blade which is rotatably supported with respect to the fixed shaft; a transmitting portion which transmits rotation of the power supply to the rotary blade; and a fixed blade which is coaxially-arranged with the rotary blade, wherein a distance between the rotary blade and the fixed blade can be varied.

Abstract: A system comprises a first housing configured to enable grass to extend into the first housing. A grass cutting unit is housed within the first housing. A discharge chute is joined to a rear portion of the first housing for directing grass cuttings away from the first housing. A bag unit is configured for collecting the grass cuttings from the discharge chute. A second housing is joined to a rear portion of the first housing and positioned below the discharge chute. A rake device is housed within the second housing. The rake device comprises rake tines being configured for rotating below the second housing bottom for transferring debris to the bag unit. A handle unit is joined to the second housing. The handle unit is configured for enabling an operator to control operations of the system. A plurality of wheels is joined to the first housing and the second housing.

Abstract: A mower carrying a rotary cutting deck has a height of cut system for adjusting the vertical position of the deck relative to the mower frame for changing or adjusting the height of cut. The height of cut system comprises a pair of parallel cross shafts that carry a plurality of pivotal suspension linkages that connect to the deck, the cross shafts and linkages pivoting jointly with one another and with a pivotal control lever. One of the cross shafts carries a torsion spring to counterbalance the weight of the deck. The control lever is maintained in a plurality of adjusted pivotal positions by a height selection bracket fixed to the frame with the height selection bracket being capable of having its position changed or adjusted relative to the frame by a single adjustment bolt. Each suspension linkage has its effective length adjusted by turning a threaded adjuster carried at the upper end of a connecting rod that is part of each linkage to allow the deck to be leveled relative to a reference plane.

Abstract: A deck lifting and height of cut assembly for a lawn mower, in which the deck lifting assembly includes at least one movable component and the height of cut assembly includes a height adjustment mechanism having a plurality of stop surfaces. A prop extends between the movable component of the deck lifting assembly and a first stop surface of the height adjustment mechanism to prevent the cutting deck assembly from lowering below a first height. The height adjustment mechanism is adjustable to place a second stop surface in engagement with the prop so that the cutting deck assembly is prevented from lowering below a second height different from the first height. The prop may also be used to maintain the cutting deck assembly in the full-up position during travel of the lawn mower between work areas.

Abstract: A rotary mower has a concave cutting deck. The deck comprises three curved plates welded to two longitudinal supports. Concavity is provided in the longitudinal and transverse directions. The lift frame assembly comprises swiveling linkages that allow rotation of the deck with respect to a three point hitch. The lift frame assembly further comprises a pivot brace on the top of the frame for further rotation of the deck.

Abstract: A cut sight gauge for corn field production equipment used for detasseling operations where the cut sight gauge allows the operator to visually monitor the height of cutters and tassel pullers on corn crop cutting machines. The cut sight gauge ensures a uniform operating height of cut consistent with the optimum growing demands of the plants. The added safety advantage to the operator and the area supervisors who manage field operations are also a benefit for the field-specific set up applications as described herein.

Abstract: A height of cut adjustment system for use with a walk behind mower. The height of cut adjustment system includes a single drive motor that is operable in a first direction and a second direction. The single drive motor is connected to a linkage assembly that supports the four wheels of the walk behind mower relative to the mower deck. When the single drive motor is operated in a first direction, the mower height of cut increases and when the drive motor is operated in the second direction, the height of cut is decreased. The height of cut adjustment system includes a height of cut indicator system that visually indicates the relative position of the wheels relative to the mower deck. The height of cut indicator system includes one or more position indicators that can be selectively positioned to visually indicate the desired height of cut for the mower.

Abstract: An apparatus, such as a lawnmower, includes a cutting device and a chassis for carrying the cutting device. The chassis includes a chassis body, at least one front wheel and at least one rear wheel mounted on the chassis body. An adjusting device for adjusting the height of the cutting device with respect to the chassis, is arranged between the cutting device and the chassis. The adjusting device includes an adjusting seat, an adjustment driving device mounted, a driving member, and a driven member connected to the other one of the chassis body and the cutting device.

Abstract: The present invention relates to the field of corn field production equipment used for detasseling operations. More specifically, the present invention is a cut sight gauge for providing an integrated means of monitoring the height of cutters and tassel pullers on corn crop cutting machines. The cut sight gauge ensures a uniform operating height of cut consistent with the optimum growing demands of the plants. The added safety advantage to the operator and the area supervisors who manage field operations are also a benefit for the field-specific set up applications as described herein.

Abstract: In a swather formed by a tractor and attached heeder for cutting standing crop to form a swath, reel speed and optionally draper speed are controlled relative to ground speed by a control system including a manually operable input and display available to the operator. The control system can be used in an automatic mode to set an index value for an actual difference in reel speed relative to ground speed and to vary reel speed accordingly. In this mode a manually operable control varies the index. The control system can be switched by the operator to manual in which case the same control varies the actual reel speed. Minimum reel speed can be set by the same control and when operative the automatic system does not allow reel speed to fall below the minimum set value despite the values of index and ground speed.

Abstract: A riding mower comprises a raising and lowering mechanism (30, 33, 100), the raising and lowering control lever (27), and a PTO mechanism (17a, 17b) operated by a clutch lever (29). When the raising and lowering mechanism (30, 33, 100) reaches a predetermined height, a operatively connecting mechanism (5) transmits, to the raising and lowering control lever (27), a return-to-neutral displacement for returning the raising and lowering control lever (27) to the neutral position, and transmits, to the clutch lever (29), a disengaging displacement for returning the clutch lever (29) to the disengage position. A first adjusting operation member (55a) adjusts a triggering displacement at which the raising and lowering displacement is transmitted to the raising and lowering control lever (27) as the return-to-neutral displacement.

Abstract: A height of cut adjustment assembly for a robotic mower includes a height of cut drum secured to a bottom chassis of the robotic mower and having internal spiral threads, a motor cup supporting a cutting blade motor and having external spiral threads that engage the height of cut drum, and a blade shield fastened to the motor cup. The blade shield and the motor cup may be rotated to change height of cut. The blade shield and motor cup may be rotated one revolution to move the motor cup and blade shield vertically between a minimum and a maximum cutting height. Detents engage the motor cup with the drum at a plurality of different cutting heights.

Abstract: A lawn mower comprising: a power supply; a chassis for holding the power supply; a fixed shaft attached to the chassis; a rotary blade which is rotatably supported with respect to the fixed shaft; a transmitting portion which transmits rotation of the power supply to the rotary blade; and a fixed blade which is coaxially-arranged with the rotary blade, wherein a distance between the rotary blade and the fixed blade can be varied.

Abstract: An apparatus, such as a lawnmower, includes a cutting device and a chassis for carrying the cutting device. The chassis includes a chassis body, at least one front wheel and at least one rear wheel mounted on the chassis body. A handle is fixedly connected to the chassis and includes a handle body positioned above and behind the cutting device. The apparatus provides a stable support deck by having a body portion of the support deck extend rearwards and upwards from the front wheel to the handle body.

Abstract: A hybrid utility vehicle includes a tool-supporting frame and an electrical power source driven by an engine. Right and left rear wheels independently driven by permanent magnet electric motors and front wheels electrically steerable over a range of approximately 180 degrees operate under the control of a vehicle controller responsive to steering and speed input controls to provide zero turn radius operation with minimum slippage and tire scuffing. Space efficiency provided by the electric steering and an electrically driven tool deck facilitate a variety of tool mounting configurations including a rear discharge deck with a chute passing under the vehicle frame between the driven wheels. An inverter connected to the electrical power source provides 110/220 volt output. The power source also functions as a high powered, high rpm, low noise starter motor.

Abstract: A walk-behind lawnmower is provided with a height-adjusting mechanism for adjusting the height of a housing above the ground. The walk-behind lawnmower further comprises an operating button for switching an adjustment operation of the height-adjusting mechanism from a restricted state to a permissive state; and a height-adjusting grip capable of being grasped by a hand so as to raise or lower the housing when the operating button is operated, and the adjustment operation of the height-adjusting mechanism is thereby permitted. The height-adjusting grip is provided to the housing in the vicinity of a left or right lateral part. The operating button is positioned in an area allowing operation by a finger of the hand grasping the height-adjusting grip.

Abstract: A system for supporting a cutterbar of a crop harvesting header includes an adjustment assembly including a first arm pivotably secured to the header. The first arm includes a first portion configured to support the cutterbar, and a second portion including a torsion device having a mass of elastic material connected to the adjustment assembly. The second portion is configured to be pivotably rotatable about a first axis by the adjustment assembly to selectably increase or decrease a force appliable to the first portion in order to raise or lower the first portion with respect to the header. The system further includes a connecting lever having one end pivotally connected to an interconnecting member and another end coupled to the second arm, wherein the connecting lever has a pivot portion for rotation about a second axis the second axis is perpendicular to the first axis.

Abstract: The present invention relates to a grass-collection container for attachment to a lawn mower, wherein said grass-collection container comprises: (a) an open mounting portion, said open mounting portion configured to interface with a grass clipping discharge chute of the lawn mower, and to allow transport therethrough of the grass clippings discharged by the chute; and (b) a bag portion for receiving the grass clippings, said bag portion including discharging means configured to permit discharge of the grass clippings from the bag portion while the grass is being cut by said lawn mower. The present invention also relates to a lawn mower comprising the grass-collection container of the invention and to a new method of mowing grass using the grass-collection container of the invention.

Abstract: The present invention concerns a power transmission for a rotary type of walk-behind lawn mower. The transmission comprises a first transmission part (7A) arranged to be mounted in a lawn mower housing (1) and comprising a transmission pulley (6) , which in turn is arranged to be connected to an engine pulley (4) of a lawn mower via a drive belt (5) . A second part (7B) of the transmission is arranged to be connected to a wheel axle (9) of the lawn mower, wherein the first transmission part (7A) is connected to the second transmission part (7B) via an articulated joint (11) such that the second transmission part (7B) and the wheel axle (9) are arranged to be pivotally mounted on said lawn mower housing (1) . Thereby pivoting will adjust the height of said lawn mower housing (1) in relation to a ground plane. The invention also concerns a walk-behind lawn mower comprising such a transmission.

Abstract: A harvesting apparatus for row crops that includes a self-propelled carrier unit and a harvesting device. The carrier unit is a motor-driven vehicle. The harvesting device consists of an upper frame in sliding engagement with a pair of vertical members coupled to a cutting platform, lifting means for raising and lowering the cutting platform, and means for positioning the cutting platform along the length of the upper frame. The cutting platform includes a base having opposing ends, each end having a pair of base guides that define a longitudinal passage, a cutter blade assembly having a blade with a cutting edge, which cutting edge is in communication with the longitudinal passage such that when the blade is in use, and when a tobacco plant passes along the longitudinal passage the blade will cut the plant by a slicing operation. The frame further includes front and rear wheel assemblies, and a shield that is attached to each of the vertical members.

Abstract: A suspension system for agricultural implements having at least one floating head using a four-bar linkage, and permitting the floating head to accommodate variations in ground surface elevation in a lateral or transverse direction. By permitting the floating head to float, a more consistent cutting height is realized when ground surface elevation varies in a transverse direction. A main frame is provided to which the ground engaging wheels are attached. A sub-frame is connected to the main frame via the four-bar linkage. The sub-frame is pivotally attached to the arms of the four-bar linkage by spherical and cylindrical bearings. The lower linkage arms of the four-bar linkage are maintained in compression while the upper linkage arms are maintained in tension. Due to the compression and tension in the linkage arms, the floating head will self-level in the transverse direction when raised, yet allow the header to float during operation.

Abstract: A top adjusting linkage for leveling a mower deck includes a generally vertically aligned lift rod connecting a pair of pivotable arms supporting the mower deck. One of the lift arms may be pivotably connected to a deck lift pedal. The lift rod has an effective length between the pivotable arms, and an engageable upper end to change the effective length. A fender deck with an access hole is provided directly above the upper end of the lift rod, so that an operator can engage the upper end of the lift rod.