| Patent Number |
Title Of Patent |
Date Issued |
| 4325211 |
Floating deck for rider mower |
April 20, 1982 |
| A riding mower (2) includes a cutting unit (6) suspended from a traction unit (4). Cutting unit (6) is suspended from a forwardly extending frame (8) by four suspension units (40-43). Each suspension unit includes an upwardly opening saddle member (44) in which a pin (51) carried on cutt |
| 4325195 |
Snow thrower |
April 20, 1982 |
| A snow thrower having an impeller which has forward facing blades which extend a short distance inward from the periphery of the impeller is disclosed. The impeller blades are substantially rigid during operation, and the impeller cooperates with two side walls and a continuous rear wall |
| 4321784 |
Height of cut adjustment |
March 30, 1982 |
| A lawn mower (2) is moveably supported by wheels (14) and (16). Wheels (14) and (16) are eccentrically mounted on front and rear link members (24) and (28) which are respectively joined together in pairs by through axles (30). Two flexible cables (32) and (34) transmit this rotation from |
| 4306408 |
Grass catcher assembly |
December 22, 1981 |
| A grass catcher assembly (2) for use on a lawn mower comprises a flexible bag (4). The bag (4) includes an open front side (14) and an open top side (16). A cover (40) is pivotally secured to bag (4) adjacent the rear wall (12). Cover (40) includes a chute (50) that has a frictional enga |
| 4301967 |
Intermittent sprinkler |
November 24, 1981 |
| A low capital investment system for irrigating a relatively large area field, comprising a mobile base, and a sprinkler mounted on the base and adapted to accumulate water from a water supply and to intermittently discharge accumulated water in an irrigating stream over the field. Ap |
| 4295285 |
Snowthrower |
October 20, 1981 |
| An improved snowthrower (2) comprises a housing (4) having a rotatable impeller (6) therein. Impeller (6) is rotationally molded from plastic and is easily replaceable in housing (4). Moreover, impeller (6) includes a plurality of snow impelling blades (60) which are sufficiently rigid t |
| 4294339 |
Clutch assembly |
October 13, 1981 |
| An improved clutch assembly is described which includes a safety spring member which is adapted to engage the free end of a broken clutch spring so that the clutch will continue to operate in normal fashion. |
| 4293041 |
Power cultivator with debris excluding barrier and scraper |
October 6, 1981 |
| A hand-held power driven cultivator incorporating a pair of ground working implements or tillers mounted on a pair of laterally spaced vertical shafts depending from a motor and drive train enclosing housing. The tillers are counter-rotated and include interdigitating tines which engage |
| 4282653 |
Cutting element for vegetation line trimmers |
August 11, 1981 |
| A discrete cutting element (18) including a plurality of cutting filaments (26) for use in a vegetation line trimmer (10). In a preferred embodiment provided filaments (26) emanate from a common locus (27) at a filament holder (16) for rotation about the holder's axis of rotation. Certai |
| 4282653 |
Cutting element for vegetation line trimmers |
August 11, 1981 |
| A discrete cutting element (18) including a plurality of cutting filaments (26) for use in a vegetation line trimmer (10). In a preferred embodiment provided filaments (26) emanate from a common locus (27) at a filament holder (16) for rotation about the holder's axis of rotation. Certai |
| 4280276 |
Reciprocating cutter |
July 28, 1981 |
| A reciprocating cutter incorporating at least one saw blade and being optionally provided with a cooperating guard. The guard provides a protective cover for the blade or blades of the cutter and, through a spring-loaded biasing thereof, cooperates with the cutter to both stabilize t |
| 4274583 |
Moisture and pressure responsive irrigation system |
June 23, 1981 |
| An irrigation system and method is disclosed having a water supply source for providing water under pressure to a plurality of dispensing devices located at spaced locations. The irrigation system and method comprises a distribution conduit grid in fluid communication with the water supp |
| 4271658 |
Clutch and blade brake for lawn mower |
June 9, 1981 |
| A clutch and brake apparatus (2) includes a drive member (8) and a driven member (14) axially fixed to drive member (8). An array (50) of friction discs (52 and 54) is axially movable in a clutch chamber (22) in driven member (14). Friction discs (52) continuously engage drive member (8) |
| 4265404 |
Support structure for traveling sprinkler |
May 5, 1981 |
| A low capital investment system for irrigating a relatively large area field, comprising a mobile base, and a sprinkler mounted on the base and adapted to accumulate water from a water supply and to intermittently discharge accumulated water in an irrigating stream over the field. Ap |
| 4257440 |
Injection pump for sprinkler systems |
March 24, 1981 |
| The present invention discloses an improved apparatus for injecting additives into a stream of fluid passing through the apparatus. The apparatus has a housing adapted for connecting to a source of fluid and to an external source of additive and also has an outlet through which the i |
| 4253608 |
Part-circle sprinkler with reversible stator |
March 3, 1981 |
| A part-circle sprinkler having a sprinkler head incorporating a nozzle continually oscillates between two positions. The sprinkler head is connected to a transmission driven by an impeller The impeller is driven by a reversible stator which can direct a plurality of channelized streams |
| 4250695 |
Powered lawn care and cultivating implement |
February 17, 1981 |
| An improved powered lawn care implement which can accomplish both reducing of debris and removal of lawn thatch. The implement includes a generally horizontally mounted elongated processing element which carries a plurality of generally radially extending resilient filaments. The imp |
| 4245454 |
Line metering apparatus |
January 20, 1981 |
| A device (10) for metering discrete lengths of filament utilized in a flexible filament vegetation cutting device is disclosed. The line metering device (10) is preferably used in flexible filament lawn mowers. An electric motor (28) rotatively drives a drive shaft (32) about its axi |
| 4235068 |
Filament mower |
November 25, 1980 |
| A lawnmower using flexible non-metallic filaments as cutting elements is disclosed. In certain specific embodiments the lawnmower may include a stored supply of four lengths of such filament, the free ends of which protrude from a member driven about a nearly vertical axis. Means for |
| 4232505 |
Dual element filament mower |
November 11, 1980 |
| A lawn mower using flexible nonmetallic filaments as cutting elements is disclosed. The filaments are mounted on a plurality of rotatable mounting elements. Each of these mounting elements is rotatable about an axis which is slightly tilted with respect to the vertical. The axes of rotat |
| 4227364 |
Self-compensating brake system for a mowing machine |
October 14, 1980 |
| A self-compensating brake system for a mowing machine of the type having a body movably supported by a plurality of rotatable drive wheels. The brake system includes a brake shaft which is rotatably journaled in the body and which is free-floating along a transverse axis. Each end of the |
| 4227280 |
Vacuum/blower attachment for filament trimmer |
October 14, 1980 |
| An attachment for converting a conventional filament trimmer into a vacuum or blower for removal of grass clippings. The attachment includes a fan housing removably mounted to the trimmer in either a vacuum or blower mode of operation and a fan removably mounted to the rotatably driven s |
| 4226368 |
Multiple vortex dripper |
October 7, 1980 |
| The present invention discloses a sprinkler head for use in drip irrigation systems. Irrigation fluid entering an inlet is directed through a path comprising a plurality of pressure dropping chambers before emerging through irrigation tubings connected to outlet openings from where the |
| 4223771 |
Brake clutch |
September 23, 1980 |
| An apparatus for selectively transmitting power between a rotating shaft and a belt including an integral brake member. The apparatus includes a pulley affixed to the shaft and which frictionally engages the belt. The pulley includes a pair of sheave halves which are reciprocable axially |
| 4205512 |
Rotary mulching mower |
June 3, 1980 |
| A rotary mulching mower having a housing which defines a cutting chamber and has a kicker mounted therein to direct grass clippings generally downward into the cutting path. A cutting blade is mounted to the housing and disposed within the cutting chamber for rotation about a generally |
| 4204738 |
Electrical connector retaining device |
May 27, 1980 |
| A device for securely retaining, in a mated configuration: an electrical connector, such as one used on an electrical power implement, and a compatible electrical connector, such as in use with electrical power extension cords. In a preferred embodiment disclosed, retention is accomp |
| 4204642 |
Traveling sprinkler system and method |
May 27, 1980 |
| A low capital investment system for irrigating a relatively large area field, comprising a mobile base, and a sprinkler mounted on the base and adapted to accumulate water from a water supply and to intermittently discharge accumulated water in an irrigating stream over the field. Ap |
| 4201344 |
Shiftable stator sprinkler head |
May 6, 1980 |
| The present invention discloses a reversible turbine-driven sprinkler head which includes a vaned turbine motor for rotatably driving a nozzle. The turbine is unresponsive to the norml flow of fluid through the sprinkler head to the nozzle. Switchable deflection means are included for |
| 4198000 |
Stream rotor sprinkler with rotating deflectors |
April 15, 1980 |
| A stream rotor sprinkler having a rotatable nozzle assembly for discharging a stream of fluid, and a rotatable plurality of deflectors mounted to the sprinkler surrounding the nozzle assembly. A water-driven motor impeller is activated by fluid flow through the sprinkler and rotates an a |
| 4191331 |
Stream reversing director |
March 4, 1980 |
| A stream director is disclosed adapted for mounting on a rotary sprinkler head to redirect the water stream during a segment of the rotation of the sprinkler from its intended portion of the irrigation area to another portion. A plurality of closed adjacent smoothly curved channels are |
| 4191007 |
Reel mower shield assembly |
March 4, 1980 |
| An improved shield member for directing the grass clippings cut by a reel-type mower into a grass catcher. The shield member encompasses a portion of the circumference of the reel from the side of the reel opposite the grass catcher and has an inner surface spaced apart from the reel |
| 4190954 |
Cutting heads |
March 4, 1980 |
| Novel cutting heads are described for apparatus used to cut vegetation and the like. The cutting heads are each adapted to be removably affixed to a rotatable shaft and rotated about an axis generally perpendicular with a cutting plane. At least one non-metallic flexible cutting line is |
| 4189776 |
Simplified irrigation controller |
February 19, 1980 |
| The present invention discloses a simplified solid state controller for use in controlling automatic irrigation systems. The operator input panel provides no means for the inputting of numerical irrigation information such as station start times and station run times. Rather, the input p |
| 4180850 |
Retractable light fixture |
December 25, 1979 |
| A hydraulically operated retractable light fixture is disclosed particularly adapted for decorative landscape lighting applications, lighting walks and pathways, and exterior area lighting applications. A retractable hollow member carrying a light bulb is disposed to retract into a h |
| 4178741 |
Safety system for riding mower |
December 18, 1979 |
| An improved riding mower is described of the type having propulsion means, a seat for the operator, and at least one cutting head which is hydraulically driven. The cutting head is controllable between an operating norm and a non-operating norm by means of a hydraulic valve having tw |
| 4177926 |
Water accumulator-distributor for agricultural sprinkler |
December 11, 1979 |
| An accumulator-distributor for gathering a quantity of water under pressure and rapidly discharging the quantity of water in bursts whereby large agricultural areas can be watered from a low volume source of irrigation water is shown. An expandible chamber is provided having a flexible |
| 4176508 |
Line feed mechanism for filament mower |
December 4, 1979 |
| The disclosure is directed to filament metering apparatus for use with a rotary lawn mower that uses flexible filament as the cutting element. The filament is wound on a spool that is carried by the engine or motor drive shaft in an axially stationary position. The spool is capable of ro |
| 4167221 |
Power equipment starting system |
September 11, 1979 |
| A starting interlock system for power equipment having a cam rotatable between two positions corresponding to energization modes of the equipment and a lever for holding the cam in each position. The cam has two cam surfaces, each of which is engaged by a separate one of two contact |
| 4165532 |
Automatic irrigation sprinkler system controller |
August 21, 1979 |
| A solid state controller for an automatic irrigation sprinkler system is disclosed. Irrigation information is maintained in and acted upon by solid state logic and control circuit means. Initialization and re-parameterization of the irrigation information is accomplished with a keybo |
| 4162605 |
Rear wheel support apparatus for a three wheel vehicle |
July 31, 1979 |
| An improved wheel support apparatus for a mowing machine of the type having a body movably supported by three drive wheels, one of which is a steerable drive wheel. The wheel support apparatus includes a sleeve fixed to the body and a bracket member carried on the steerable drive wheel. |
| 4149570 |
Nonlinear sensor for center pivot drive control system |
April 17, 1979 |
| The present invention discloses an improvement in angularity sensors employed in center pivot irrigation systems. A center pivot irrigation system has a plurality of self-propelled articulating span units mounting interconnected sections of water carrying conduit, each span unit has |
| 4149358 |
Low speed rotary mower |
April 17, 1979 |
| A rotary mower in which grass cutting and collection of cut grass particles is achieved with a relatively low blade tip speed. A cutting blade is mounted for rotation about a vertical axis within a symmetrical expansion type mower housing in which the expansion top wall has a substantial |
| 4144772 |
Belt idler construction |
March 20, 1979 |
| An idler mechanism for maintaining tension on a drive belt of a belt drive system. The idler mechanism includes a pulley mounted to an idler arm for rotation about a rotational axis. The idler arm is attached to mounting apparatus having a resilient and damping element for eliminating vi |
| 4135724 |
Gas tank support and control panel |
January 23, 1979 |
| A bracket for centrally and accessibly mounting various engine controls constituting components of a snowblower, power lawn mower, or similar vehicle, and for diverting any gasoline spilled during the filling of the gasoline tank of the vehicle from electrical connections of those co |
| 4135539 |
Speed control means for center pivot irrigation system |
January 23, 1979 |
| A method and apparatus for operating a center pivot irrigation system including a plurality of span units, each having a drive carriage having a hydraulically driven motor means for operating associated carriage wheels in response to hydraulic fluid supplied thereto under pressure throug |
| 4133344 |
Power transmission for self-propelled irrigation system |
January 9, 1979 |
| A self-propelled center pivot irrigation system has individual span units each one of which has at least one or more fluid conduits, and at least one or more power frames for propelling the span unit, each power frame has at least one or more drive wheels, a drive motor, and transmission |
| 4129977 |
Low speed rotary mower |
December 19, 1978 |
| A rotary mower in which grass cutting and collection of cut grass particles is achieved with a relatively low blade tip speed. A cutting blade is mounted for rotation about a vertical axis within the symmetrical expansion type mower housing in which the expansion top wall has a subst |
| 4119275 |
Fluid spray head and method adapted to spray specific pattern |
October 10, 1978 |
| An improved fluid spray head for sprinkler apparatus is disclosed adjustable both as to the flow rate of fluid to the discharge orifices and the precipation rate over the ground area sprayed, and particularly adapted to spray a specifically shaped non-circular area. The spray head ha |
| 4102114 |
Combination level adjust and self-tensioning belt assembly for mowers |
July 25, 1978 |
| An implement for a tractor is provided with a height adjusting mechanism, including a control lever swingable in a horizontal plane about a fixed vertical axis and operably coupled with an articulate linkage for translating the horizontal swinging of the lever to vertical movement of |
| 4085771 |
Angularity sensor means for center pivot irrigation system |
April 25, 1978 |
| A center pivot irrigation system has a plurality of self-propelled articulated span units mounting interconnected sections of water carrying conduit, each span unit has motor means and motor control means for regulating the operation of the associated motor means to maintain the span |
