Abstract: An electric power lawn aerator is employed in use to care for lawns. The electric power lawn aerator is battery-powered, and includes a frame assembly, one or more non-driven wheels, a handle assembly, a powerhead assembly, a powertrain assembly, and a tine assembly, among other possible components. The powerhead assembly has one or more battery cavities and an electric motor. A battery, such as a lithium-ion battery, is received in the battery cavity(s) and powers the electric motor. The electric motor imparts rotational drive to the tine assembly by way of the powertrain assembly. The tine assembly punctures the lawn amid use of the electric power lawn aerator.

Abstract: A vertical tine tiller having vertically oriented tine assemblies that are configured to rotate about vertical axes is provided. The tiller includes a power source that drives a horizontally-aligned driveshaft, which can selectively drive a transmission assembly. Horizontal rotation of the driveshaft is directly transferred into vertical rotation of a pair of drive rods to which the tine assemblies are attached.

Abstract: A vertical tine tiller that includes a chassis, an engine attached to the chassis, a handle assembly extending from the chassis to allow an operator to control the tiller, and at least two vertically oriented tine assemblies. Each of the tine assemblies include a plurality of tines attached to a plate, wherein the tine assemblies are rotatable about a vertical axis such that the tines of each tine assembly provide a grinding path and adjacent tine assemblies have at least partially overlapping grinding paths. The tines are removably connected to the plate.

Abstract: A tiller includes a tiller frame and an upright assembly extending from the frame. The frame is supported by at least one wheel and defines a cavity. A transmission assembly is supported by the frame and has an output member that is configured to be drivingly coupled to a first power source in a first battery-powered configuration and to a second power source in a second electric-powered configuration. A tilling implement includes a drive shaft that is driven by the output member. The tilling implement comprises at least one tine plate. The cavity is configured to removably receive a battery in the first battery-powered configuration and removably receive a ballast in the second electric-powered configuration.

Abstract: A gas tiller including a frame defining a first pivot axis and a second pivot axis spaced a distance from the first pivot axis, a motor coupled to the frame, a set of rotary tines coupled to the frame and operatively coupled to the motor, a swing arm pivotably coupled to the frame and rotatable about the first pivot axis between a first and second arm positions corresponding to travel and tilling configurations, respectively, of the tiller, the swing arm including one or more wheels coupled thereto, and a drag stake pivotably coupled to the frame and rotatable about the second pivot axis between first and second stake positions. Movement of the swing arm between the arm positions moves the drag stake between the stake positions.

Abstract: A gas tiller including a frame defining a first pivot axis and a second pivot axis spaced a distance from the first pivot axis, a motor coupled to the frame, a set of rotary tines coupled to the frame and operatively coupled to the motor, a swing arm pivotably coupled to the frame and rotatable about the first pivot axis between a first and second arm positions corresponding to travel and tilling configurations, respectively, of the tiller, the swing arm including one or more wheels coupled thereto, and a drag stake pivotably coupled to the frame and rotatable about the second pivot axis between first and second stake positions. Movement of the swing arm between the arm positions moves the drag stake between the stake positions.

Abstract: A tiller includes a tiller frame and an upright assembly extending from the frame. The frame is supported by at least one wheel and defines a cavity. A transmission assembly is supported by the frame and has an output member that is configured to be drivingly coupled to a first power source in a first battery-powered configuration and to a second power source in a second electric-powered configuration. A tilling implement includes a drive shaft that is driven by the output member. The tilling implement comprises at least one tine plate. The cavity is configured to removably receive a battery in the first battery-powered configuration and removably receive a ballast in the second electric-powered configuration.

Abstract: A tiller can include a frame supported by at least one wheel. An upright assembly can extend from the frame. A drive mechanism can be supported by the frame and include a motor having an output member. A tilling implement can have a drive shaft that is driven by the output member. The tilling implement can comprise at least one tine plate. A slider assembly can communicate with the wheel and be movably coupled along the upright assembly. The slider assembly can be configured to securably locate in at least a first position wherein the wheel is located at a first elevation relative to the frame and a second position wherein the wheel is located at a second elevation relative to the frame. The first and second elevations can be distinct.

Abstract: A tiller with chassis, pair of handles, and tines, wherein simultaneously raising one handle and lowering the other twists the chassis to lower one tine and raise the other. The tines comprise pairs of blades, each blade having a pair of upturned tips. The height of tines is adjusted by adjusting the support for wheel means. The tiller is supported by an arm having a single ground engaging wheel means, pivoting the arm and locking in position to adjust the height of the tiller. The tiller includes a third handle located along its chassis. The chassis is formed from two longitudinally split components. A blade cover for the tiller is thin and curved to lie in an arc spaced from the rotating tips of the tines. An attachment for the tiller has a V-shaped tip and shaped to form a furrow.

Abstract: A small-sized tiller includes a stand unit configured to solely support the tiller in a self-standing state. The stand unit has a pole portion removably mountable to a resistance-bar attachment portion of the body frame when a resistance bar has been removed from the resistance-bar attachment portion.

Abstract: A walk-behind lawn aerator has a left and right aerator reels both journalled side by side on the same axle and rotatable independently of one another. Left and right hydraulic drives provide motive power to the left and right reels, and each is capable of rotating the associated reel forward, reverse, or at intermediate speeds. A wheel boom carries front wheels, and is raised and lowered using a hydraulic cylinder. With the wheel boom lowered, the unit is capable of a zero-radius turn.

Abstract: A front rotary working machine is provided which has rotary working portions disposed at a front portion of a transmission case, and a front wheel disposed forward of the rotary working portions. The working machine includes a guard member extending forward from the transmission case for guarding an upper side of the rotary working portions. A support device for supporting the front wheel is connected to the front portion of the transmission case. The support device has an upper portion connected to the guard member. A load applied from the front wheel to the support device is distributed to the transmission case and the guard member, resulting in strengthening of the support device.

Abstract: A sod cutter (10) is disclosed including a frame (12) formed by welding the free edges of mount, frame and end plates (46a, 46b 46c) bent relative to one of two side plates (46) to the corresponding edges of the other side plate (48). An axle assembly (160) is pivotal relative to the frame (12) by a depth adjustment lever (198) between a working position where wheels (16) carried by the axle assembly (160) engage tubular members (168) slideably and nonrotatably received on a drive shaft (166) and a transport position where the wheels (16) are spaced from the tubular members (168). A U-shaped handlebar (210) is positionable between an operating position for grasping during operation and a storage position for lifting and handling. A U-shaped control (212) is pivotably mounted in front of and above the U-shaped handlebar (210) for actuating the throttle of the engine (18).

Abstract: In order to minimize unwanted corotation, a gear support member is in the shape of a flat disk and has an outer diameter greater than the pitch circle of a ring gear. Further, a surface level of lubricating oil stored in a casing is set to be below the ring gear, but above the gear support member. Furthermore, a resilient clip is resiliently fitted on an output shaft and gear support member, and the resilient clip has at least one end supported by the casing. In addition, the casing has, on its bottom, a frictional surface for sliding contact with the lower surface of the gear support member.

Abstract: A lawn aerator that is attachable to a piece of mechanized lawn care equipment, such as a self-propelled lawn mower, lawn tractor and the like, for aerating a lawn. The lawn aerator includes a frame having first and second opposite ends, with the frame including mounting structure connected thereto adjacent the first end to enable mounting of the frame to the piece of mechanized lawn care equipment. In addition, an aerator assembly is pivotally mounted on the frame so that the aerator assembly is pivotable relative to the frame between a ground engaging position and a disengaged position. The aerator assembly includes a plurality of caster assemblies each of which includes at least one tine head assembly including an aerator wheel connected to a pivot head.

Abstract: A lawn aerator that is attachable to a piece of mechanized lawn care equipment, such as a self-propelled lawn mower, lawn tractor and the like, for aerating a lawn. The lawn aerator includes a frame having first and second opposite ends, with the frame including mounting structure connected thereto adjacent the first end to enable mounting of the frame to the piece of mechanized lawn care equipment. In addition, an aerator assembly is pivotally mounted on the frame so that the aerator assembly is pivotable relative to the frame between a ground engaging position and a disengaged position. The aerator assembly includes a plurality of caster assemblies each of which includes at least one tine head assembly including an aerator wheel connected to a pivot head.

Abstract: The instant invention is particularly intended for gardening and small truck farming operations consisting of a method and apparatus which provides for accurate planting of seed in rows and is, by this embodiment, able to repeat it's travel in the row to perform subsequent tasks such as in-the-row weeding, cultivating and other operations as desired. To achieve these goals, the machine which can also be called a metric walking tractor is comprised of a solid frame, encoded motor, batteries, direct coupled worm drive, high traction wheels, drive and control circuitry and universal tool holder with electromechanical power available to the ground conditioning tools as needed. The named machine is also constructed to incorporate traditional tools such as plows, cultivators, weed scrapers and more.

Abstract: The present invention is a walk-behind power unit stabilizing system for use on portable trenchers and other equipment. The preferred application comprises a retractable wheel assembly mounted at the rear of a trencher where the invented device is allowed to be maneuvered by the user from a lower, stabilization position to an upper, transport position. The device has a handle that allows the user to move the device from the upper, transport position to the lower, stabilized position, and vice versa, easily by raising and lowering the handle, either by hand or by moving the handle up or down using the user's foot. Some of the main benefits of the invented device include: ease of use; a reduction in the physical labor required to operate a trencher; stability; the ability to more consistently control the depth at which the trench is dug; an increased ability to traverse perpendicular trenches; increased force exerted on the boom when inserting the boom into the ground; and trench straightening.

Abstract: A manually displaceable implement for ground treatment comprising a dead-man safety based on an automatic lowering and blocking of the running wheels (5). A stop (10) is provided on the implement for blockage, against which at least one lowered running wheel (5) rests. The automatic lowering of the running wheels (5) is accomplished by a two-part height adjustment rod (4), which is maintained together by an emergency release element (12). In an emergency, this emergency element (12) is activated by a ripcord, whereby the connection is automatically released.

Abstract: An implement for gathering objectionable rocks and debris from the ground including a positive stop for limiting the range of displacement of the gathering mechanism relative to the ground. In the embodiment described, the gathering mechanism comprises a first roller to engage the ground to dislocate rocks and debris therefrom; and a second roller forming a gap above the first roller through which only selected rocks and debris may pass. The height of the first and second rollers in reference to the ground is vertically adjustable. The first and second roller are displaced upward by large forces placed upon the first roller.

Abstract: An aerator includes a frame supported on a pair of forward drive wheels and a pair of rearward caster wheels. An aerator head is mounted on a pivot frame on the forward end of the aerator frame, pivotable to move the aerator head from a disengaged position above the ground, downwardly to an engaged position wherein tines on the aerator head work the soil. The pivot frame includes a forwardly projecting arm upon which the aerator head is mounted, and a rearwardly projecting arm upon which the forward wheels of the frame are mounted, such that movement of the pivot frame will engage either the forward wheels of the frame or the aerator head with the ground. The aerator head is mounted forwardly of the forward end of the frame such that the tines on the aerator head form the forward most part of the aerator.

Abstract: A device for adjusting the height of a vehicle, by rotating the angle of a base shaft eccentrically supporting a support shaft. Wheels are fitted to a support shaft eccentrically connected to a base shaft rotatably supported by bearings disposed on push-pull type electric mowing machine. One of the ends of a connecting member is fixed to the core of the base shaft and an adjustment device is fitted to the other end of the connecting member. Alternatively, a base shaft is supported concentrically and rotatably at the core of a composite shaft type mowing machine in such a manner as to protrude from both end portions of a rotary shaft. The base shaft is rotatably supported by an apparatus main body at both end portions of the base shaft and eccentrically with respect to the base shaft, and wheels are fitted to both end portions of the support shaft. An adjustment pulley is fixed to the base shaft either inside or outside the bearings. The position of the height is adjusted by controlling this adjustment member.

Abstract: The invention includes a frame, to which is mounted a handle, an engine, drive wheels and an auger. The engine drives the drive wheels, making the apparatus self-propelled and also rotates the auger. Control levers are located on the handle to selectively control the on-off engagement of the drive wheels and the auger to the engine and to control the speed of the drive wheels. As the apparatus propels itself along a trench, the rotating auger moves dirt from the sides of the ground around the trench to inside of the trench. A packer wheel on the handle packs the dirt in the filled trench. The height of the auger relative to the ground is adjustable so as to minimize lawn damage. The auger has a double row of flighting and guide wheels positioned adjacent to the auger to enable the apparatus to be easily steered.

Abstract: An edging machine having a frame with a handle at one end, a prime mover mounted on the frame, an edger blade rotatably connected to the frame, a first wheel mounted on the frame so as to support the frame above a surface, a second wheel interconnected to the frame and arranged in tandem with the first frame, an adjustment lever interconnected to the second wheel for changing a distance of the frame from the surface. A guide member is rotatably connected to the frame so as to have a surface extending below the frame. The guide member is positioned in parallel relationship to the edger blade. The second wheel is rotatably mounted to a wheel bar. The wheel bar is pivotally connected to the frame on a side of the frame opposite the edger blade. The adjustment lever is interconnected to the wheel bar so as to controllably adjust the position of the second wheel relative to the frame.

Abstract: Lawn mower height-adjust systems include three embodiments. Two permit the user to adjust the position of the deck relative to each wheel individually. The third permits the user to adjust the positions of all four wheels simultaneously, aided by a counterbalance system. A modification of the third embodiment is available to automatically bypass the height-adjust mechanism in the event an abnormally high load is placed on the deck. One of the two individual systems permits an operator to adjust the position of a respective wheel simply by removing a single nut and washer from an axle bolt. The second individual height-adjust system permits the operator to adjust the height of an individual wheel by using one hand, and without having to disassemble the mechanism. The system which adjusts all four wheels simultaneously links front and rear axle subassemblies with a connecting rod, and indexes all four wheels simultaneously through a release handle which is recessed in a cavity formed in the lawn mower deck.

Abstract: An edger is provided having a main frame, at least one front wheel fastened in the front portion of the main frame, two rear wheels fastened in the rear portion of the main frame, a rotary blade disposed in the front portion on either side of the main frame and capable of conducting edging, an engine mounted on the main frame and a driving device for operating the rotary blade with the engine, a supporting arm pivotally connected at its upper end to the main frame and rotatably supporting at its lower end the rear wheel positioned opposite to the rotary blade in such a manner that the position of the rear wheel can be vertically adjusted with respect to the main frame, and a positioning mechanism for physically positioning the vertical position of the rear wheel disposed between the main frame and the supporting arm, the positioning mechanism comprising a securing portion formed in either the main frame or the supporting arm, a securing arm having a plurality of securing steps which can be secured to the secu

Abstract: Aerating apparatus is provided and includes a chassis having a handle, a rotor having aerating tines rotatably mounted on the chassis, drive means for rotating the rotor, a support member rotatably mounted on the chassis for movement between a down location at which the aerating tines are out of contact with the ground and an up location at which the aerating tines are in contact with the ground, a pair of wheels mounted on the support member, first and second linkage apparatuses pivotally mounted on the chassis and moving apparatus mounted on the handle for moving the first and second linkage apparatuses to move the support member to the down or up location, adjusting apparatus for adjusting the position of the pair of wheels when the support member is at the up location and a connecting rod connecting the first and second linkage apparatuses for assuring simultaneous movement thereof.

Abstract: An apparatus for trimming weeds and grass employs a prime mover to power a rotating cutting head. Three wheels are used to support the weight of the trimmer, and the prime mover is uniquely mounted to the trimmer such that lowering the cutting head is easily accomplished by tipping the trimmer. Cutting height is adjusted by way of an adjustable height arm, and a secondary handle is provided to receive and translate an upward urging force into a tipping motion. The cutting head can be easily removed and a brush, snow blade or blower can be installed thereto for accommodating a plurality of lawn care tasks.

Abstract: An apparatus for ditch digging or root pruning having a main frame on which a motor drive mechanism and a cutting wheel are supported. A secondary frame portion or undercarriage is pivotally attached to the main frame. The cutting wheel is preferably mounted on a transverse shaft parallel to the wheel axis, the cutting wheel rotating in a substantially vertical plane located outside the apparatus wheels. An actuation device is provided to pivot the frame portions thereby raising or lowering the cutting wheel.

Abstract: A selector or shift lever manipulates gears in a ground wheel transmission to select a running mode when moved in the transverse direction, and manipulates gears in a plow transmission to select the rotating direction of a rotary plow when moved in the vertical direction. A drag bar is mounted on a machine frame, slidable in the vertical direction, the vertical movement of the drag bar being interlocked with the vertical movement of the selector lever through rods and links. Hence, when the selector lever is moved downward to select forward rotation of the rotary plow, the drag bar is moved down into the ground in coordination, subjecting the soil tilling machine to great resistance from the ground, to enable a tilling operation to be performed while preventing lunging foward of the machine.

Abstract: A garden tilling apparatus has a frame with movable arms extending out of the frame and soil-working tines connected to the forward-most portion of the movable arms. Inside the frame, a crankshaft is mounted coupled to the arms and the arms pivotally attached to the frame. A drive mechanism mounted on top of the frame rotates the crankshaft which in turn reciprocates in an elliptical manner the soil-working tines which engage the soil. Handles extend upwardly from the rear of the frame so that one operator may move and use the apparatus to till the soil.

Abstract: A walking operator type cultivator comprising a rotary plow, a ground engaging member for setting a plowing depth, and a position adjusting mechanism for raising and lowering the ground engaging member. The position adjusting member is automatically controllable according to signals transmitted by an inclination sensor detecting fore and aft inclinations of the cultivator. The cultivator further comprises a mechanism for stopping the automatic control of the position adjusting mechanism which is necessary under certain operating conditions of the vehicle. As a trigger for this control stopper mechanism a plowing clutch, a propelling system clutch or the inclination sensor is used.

Abstract: A hollow tine for a self-propelled lawn aeration machine is formed by a U-shaped metal plate having a stud projecting internally of the plate and welded thereto at one end. The U-shaped metal plate has an oblique cutting edge at the end remote from the stud, includes side edges parallel to each other to define a narrow slot extending from the cutting edge to the stud. The cutters where the oblique cutting edges meet the side edges of the U-shaped metal plate are pinched in to reduce the cross-section of the hollow tine formed thereby to facilitate the release of a plug cut from the turf during penetration of the tine into the turf.

Abstract: A toolbar attachment assembly for a rear tine rotary tiller having a tine guard and forward wheels. The toolbar attachment assembly is secured to the tiller in place of the drag stake. A V-shaped brace allows for the assembly to be attached without removing either the tines or the tine guard. A toolbar secured to the V-shaped brace allows for the releasable attachment of an extension which supports tools such as plows outwardly of the toolbar for the laying off of rows and for throwing dirt to cover weeds in established rows of plants.

Abstract: An apparatus of the type designed to drill a plurality of equidistantly spaced bores of differing diameters in a lawn. The bores of smaller diameters are intended to aerate the lawn to provide holes into which seeds, water, and fertilizer can be deposited. Bores of larger diameters are intended to receive plugs of grass. The apparatus has the general appearance of a conventional lawnmower, having a planar in configuration base member and an insulated handle pivotally attached thereto. A linkage is provided to raise and lower the base member responsive to repositioning of the handle member. The drill bits are provided with welded ridges or heat treated flanges and are connected in driven relation to a motor mounted upwardly of the base member by a pulley and belt arrangement that differs depending upon the number of drill bits provided for a specific embodiment of the invention.

Abstract: A ditch digging machine comprising a frame including a pair of vertical posts and a cross bar connecting the upper ends of said vertical posts, wheels supporting the lower ends of the vertical posts, a housing including a convex hood having forward and rear end plates extending downwardly from opposite ends thereof, the forward and rear end plates each having a sleeve attached thereto to engage the vertical posts, a vertical side shield extending between the opposite end plates, a motor support platform extending outwardly from the vertical side shield, an adjustable vertical lift means for raising and lowering the housing relative to the frame, a motor mounted on the motor support platform having a shaft extending through the vertical side shield, and a cutting blade assembly rotatably mounted on the shaft substantially parallel to the vertical side shield within the convex hood and the end walls; the cutting blade assembly configured to be lowered with the housing for ground engagement to cut a slit trench

Abstract: A tine tiller has a frame mounted on traction wheels for movement in either direction. The frame has tines rotatably mounted on each side thereof and driven in either direction irrespective of the direction of movement of the frame by rotation of the traction wheels. The speed of rotation of the traction wheels can be changed without stopping movement of the frame.

Abstract: A walk from behind soil tilling machine including ground wheels upon which the machine may be moved and two rows of ground penetrating and pulverizing tines located to the rear of the ground wheels transversely to the line of machine movement. The tines of the rear row have a larger cutting diameter than the tines of the forward row, and the rows of tines are driven in counter-rotating directions such that upon forward movement of the machine the tines of the forward row break the surface of the ground and penetrate the earth to a determined relatively shallow depth and the tines of the rear row thereupon penetrate the earth to a further determined depth, with the forward and rear rows of tines cooperating to completely pulverize both depths of penetrated soil, thereby permitting thorough tilling of the soil to normal garden depth with a single passage of the machine.

Abstract: An earthworking implement comprising a frame on which are supported front wheels, rear wheels and a rearmost dolly wheel. An aerator member with blades is rotatably secured to the frame between the front and rear wheels. The dolly wheel is mounted on the frame for rotation about a vertical axis at a location rearwards of the rear wheels. The front wheels and the dolly wheel represent endmost wheels on the frame. One of the endmost wheels is vertically movable with respect to the frame between raised and lowered positions, such that in the raised position the front wheels and dolly wheel define a common tangential plane which is at a level above the blades of the aerator member and below the rear wheels thereby establishing an operative aerating position whereas in the lowered position the front wheels and dolly wheel define a common tangential plane which is at a level below the aerator member and the rear wheels thereby establishing a transport position.

Abstract: A rotary tiller plow attachment kit for converting into a plow a rotary tiller of the type having a frame, a pair of handle bars extending rearwardly therefrom, and a horizontal power driven axle on which a pair of cleated pull wheels may be mounted. The kit comprises a plow attachment assembly detachably mountable on the front portion of the rotary tiller frame, and a height adjusting control mounted on one of the handle bars of the rotary tiller for selectively adjusting the height of the plow attachment. Since the height adjusting control is located on the handle bars, the height of the plow attachment assembly may be conveniently adjusted by the user while the pull wheels are in operation.

Abstract: A travel attachment for rotary tillers is disclosed. The travel attachment comprises a fulcrum attached to a frame of the tiller, and a control bar longitudinally movable along the fulcrum including a lower end engagable with the ground. The upper end of the control bar is laterally movable by hand, and when the lower end of the control bar is engaged in the ground and the upper end is moved forward, a central portion of the bar engages the fulcrum forcing the fulcrum and tiller forward. A depth attachment attached to a forward end of the frame includes a horizontal foot of planar configuration with a forward portion curving upward in an arcuate manner. The foot is supported on the ground forward of the tiller and a vertical distance between a bottom surface of the foot and the bottom extension of the tiller blade determines the depth to which the earth will be tilled.

Abstract: A rotary cultivator formed with vertically rotating pairs of transverse-ended ground-penetrating spoke-like end-bladed wheels. Such assembly now adds horizontal pairs of fixed cutter blades spaced respectively one outward from the peripheral path of the wheel-blades and the other radially inward therefrom, plus other laterally projecting blades extending into the "open-cage" formed by each pair of mutually-facing bladed wheels. Standing vegetation against which the cultivator is moved may be severed into segments, additionally miniaturized within the open-cage, and churned into the top soil upon penetration of the wheel blades. Trailing vines or weeds which might otherwise attach to and wind around the shaft are also cut off. Such-sub-unit of interacting cutter blades can be added to present rototillers, or be fabricated as part of the initial unit.

Abstract: A rotary tiller includes a main frame comprising a pair of horizontal, fore and aft extending channel members disposed on opposite sides of a chain case having a lower end, in which a tine-supporting shaft is journalled, and an upper end having a pair of axially aligned cylindrical members fixed to and projecting transversely from opposite sides thereof. A drive shaft is journalled in one of the cylindrical members and projects therethrough into the chain case. Fixed to one end of the shaft is a pulley, which is connected by a belt, to be driven from a pulley fixed to a transverse output shaft of an engine mounted on a forward portion of the frame. The handle includes a pair of legs disposed in straddling relationship to the chain case and respectively connected to the cylindrical members, by a pair of U-bolts. The lower ends of the legs are respectively received in slots provided in the channel members.

Abstract: The support wheels and drag stake of a walk-behind rotary tiller are connected to the main frame of the tiller at a location rearwardly of the tiller tines through means of a mounting bracket, which is mounted for pivotal movement between and to be releasably secured in a first position, wherein the wheels are disposed in a downward position relative to the tiller frame for transport while the drag stake is in an inactive elevated position, and a second position, wherein the drag stake is disposed for retarding the forward progress of the tiller while the wheels are in an elevated position for contacting the ground only after the tines have reached the desired tilling depth.

Abstract: A walk-behind rotary tiller includes an engine having an output shaft on which is mounted a first pulley. A second pulley is mounted on a countershaft and connected to be driven from the first pulley by a drive belt. The engine is mounted for adjustment toward and away from the counter shaft to compensate for belt stretch and to facilitate belt replacement. A guard encloses the belt and has its forward end pivotally supported on a bracket fixed to the engine by a fastener which also serves to retain a belt guide in place. The rear end of the belt guard is supported for swinging about the forward connection, when the motor is adjusted, by a bent rod having one end pivotally received in the guard and a parallel, axially offset second end serving to pivotally connect a bracket, having a drag stake and wheel assembly fixed thereto, for movement between raised and lowered positions for respectively disposing the drag stake and wheel assembly in transport and working positions.

Abstract: A walk-behind rotary tiller includes a vertically adjustable drag stake releasably held in a selected position through means of a lock member having the form of a ring segment and mounted such that it may be pivoted upwardly and displaced forwardly to release the drag stake for vertical adjustment to another desired position and then displaced rearwardly and rotated downwardly to retain the drag stake in its new position.

Abstract: Improved tine arrangements for garden tillers including a basic tine assembly comprised of a plurality of relatively long tines configured to break a clod loose and a plurality of shorter tines configured to strike such clod and break it up. A typical garden tiller will include a frame mounting an engine, either vertical or horizontal, having handles by which the operator will guide the tiller and appropriate drive structure to rotate the tine shaft mechanism carrying the basic tine assemblies. Such a tiller may also include an adjustable wheel transport system and a fold-up adjustable stake with a swinging stabilizer which may be locked in fixed position for normal tilling or swinging for easy turn around at the end of a garden row. The engine may provide one or more forward speeds and a reverse if desired. The basic tines may provide a slicing or pick action.

Abstract: According to this invention there is provided a soil cultivating implement comprising a plurality of downwardly extending tines arranged in a transverse row and rotatable ground engaging members that are located in front of and behind the row of tines with respect to the intended direction of operative travel of the implement, at least one of the rotatable ground engaging members being in the form of a roller which is mechanically driven during operation, said roller being disposed to the rear of said row of downwardly extending tines and comprising a number of longitudinal elements which extend in the direction of the axis of rotation of the said roller.

Abstract: An elongated inclined support arm is provided and a horizontal transverse shaft member is journaled from the lower end of the support arm and supports a rotary blade assembly thereon spaced to one side of the support arm. An electric motor is supported from the upper end of the support arm and includes an output shaft paralleling the support arm and extending downwardly along the latter toward the lower end thereof from which a right angle gear transmission is supported having an input shaft projecting toward the upper end of the support arm and an output shaft of which the rotary shaft member comprises a part. A drive shaft extends along the support arm and drivingly connects the motor output shaft to the transmission input shaft and an intermediate portion of the drive shaft is journaled from a corresponding intermediate portion of the support arm.

Abstract: A rotary tiller plow attachment kit for converting into a plow a rotary tiller of the type having a frame, a pair of handle bars extending rearwardly therefrom, and a horizontal power driven axle on which a pair of cleated pull wheels may be mounted. The kit comprises a plow attachment assembly detachably mountable on the front portion of the rotary tiller frame, and a height adjusting control mounted on one of the handle bars of the rotary tiller for selectively adjusting the height of the plow attachment. Since the height adjusting control is located on the handle bars, the height of the plow attachment assembly may be conveniently adjusted by the user while the pull wheels are in operation.