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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7963344 | Tiller with removable battery 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... | 06/21/2011 |
| 7392854 | Front rotary working machine 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... | 07/01/2008 |
| 7237620 | Electric garden tiller An electric garden tiller is disclosed. The tiller is light weight, compact and easy to use. The tiller includes a two stage speed reduction transmission and an aluminum transmission housing. Connected to the transmission housing are a main housing and electric moto... | 07/03/2007 |
| 7124835 | Agricultural machine comprising a towed support frame and rollers provided with a set of dome profile pneumatic tires The machine comprises a given number of roller pairs respectively connected to the machine frame by a linking part (32). The linking part (32) of each roller pair is adapted so as to enable the rollers (12a, 12b) to incline ... | 10/24/2006 |
| 6962209 | Simple, durable and easy-to-use earthworking machine 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 edge... | 11/08/2005 |
| 6926091 | Counter-rotating twin shaft system for gardening machines A gardening/landscaping utility machine having a counter-rotating twin shaft system that can perform multiple types of work required for gardening/landscaping, including tilling, trench-edging, weeding, brush cutting, snow removal and lawn mowing. These processes ca... | 08/09/2005 |
| 6926092 | Hydraulic tiller assembly A tiller assembly includes a tine assembly that is rotatably connected to a tiller body and the tine assembly includes at least one tine for use in tilling associated soil. A hydraulic system is operatively connected to the tine assembly and includes a hydraulic pum... | 08/09/2005 |
| 6913557 | Power transmitting apparatus 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, bu... | 07/05/2005 |
| 6904976 | Powered soil tillage device A powered, lightweight soil tillage device, including an elongated hollow support member having a motor and handle at the upper end thereof, and the tillage assembly mounted at the lower end thereof. The tillage assembly comprises a pair of beams which are mounted o... | 06/14/2005 |
| 6241025 | Aerator 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 in... | 06/05/2001 |
| 6176320 | Method and apparatus for precision planting, weeding, and cultivation of crops/ a metric walking tractor 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 ... | 01/23/2001 |
| 6151811 | Retractable assembly for trenchers and walk-behind power units 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... | 11/28/2000 |
| 5569119 | Implement for ground treatment with a dead-man safety 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 wh... | 10/29/1996 |
| 5398768 | Aerator 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 positio... | 03/21/1995 |
| 5363633 | Position adjustment structure using an eccentric shaft 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-p... | 11/15/1994 |
| 5353529 | Apparatus for backfilling 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... | 10/11/1994 |
| 5301757 | Edging machine 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... | 04/12/1994 |
| 5230208 | Lawn mower height-adjust systems 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 counte... | 07/27/1993 |
| 5156217 | Edger with improved rear wheel adjustment 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 fra... | 10/20/1992 |
| 5119880 | Aerating apparatus 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 locati... | 06/09/1992 |
| 5048615 | Weed and grass trimmer 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 eas... | 09/17/1991 |
| 4958457 | Trench digging or root cutting device 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 moun... | 09/25/1990 |
| 4838357 | Soil tilling machine 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 ve... | 06/13/1989 |
| 4811794 | Garden tiller with reciprocating tines 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 atta... | 03/14/1989 |
| 4719974 | Walking operator type cultivator with automatic control stopper 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 contr... | 01/19/1988 |
| 4662456 | Self-propelled lawn aeration machine 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 st... | 05/05/1987 |
| 4591001 | Garden tillers 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 removi... | 05/27/1986 |
| 4511004 | Apparatus for drilling a plurality of bores in a lawn 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... | 04/16/1985 |
| 4503630 | Ditch digging machine 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 re... | 03/12/1985 |
| 4492271 | Tine tiller with tines and wheels each rotatable in either direction 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 trac... | 01/08/1985 |
| 4402366 | Soil tilling machine 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 o... | 09/06/1983 |
| 4336760 | Earth working apparatus including aerators and material dispensers 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 ... | 06/29/1982 |
| 4286671 | Kit for converting a rotary tiller into a plow 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 ... | 09/01/1981 |
| 4249612 | Rotary tiller and attachment therefor 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 ... | 02/10/1981 |
| 4191259 | Rotary cultivator and mulcher 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 w... | 03/04/1980 |
| 4165786 | Walk-behind tiller and handle mounting therefor 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 ... | 08/28/1979 |
| 4164983 | Walk-behind filler with combined drag stake and wheel 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 releas... | 08/21/1979 |
| 4139064 | Rotary tiller and belt guard mounting therefor 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 t... | 02/13/1979 |
| 4136983 | Drag stake mounting for walk-behind rotary tiller 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 rel... | 01/30/1979 |
| 4133390 | Tine arrangements for garden tillers 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 gar... | 01/09/1979 |
