| Patent Number |
Title Of Patent |
Date Issued |
| 5322418 |
High pressure liquid pump apparatus and pumping method |
June 21, 1994 |
| A liquid pumping apparatus and pump method is provided in which a reciprocal drive piston is carried in a pump body and is reciprocated back and forth by a mechanical power source such as a crankshaft. The pump body has a pump chamber which receives the liquid to be pumped. A pump piston |
| 5207168 |
Method and apparatus for treating turf |
May 4, 1993 |
| A method and apparatus for treating turf to reduce the general soil density in which turfgrasses grow and thus promote turf growth and turf drainage which includes injecting through the turf into the soil a pattern of jets of generally incompressible liquid at a jet pressure and jet spac |
| 5154241 |
Sand trap maintenance machine |
October 13, 1992 |
| A sand trap contouring attachment for a sand trap maintenance machine. A preferred attachment (12) includes a plow blade (30), a pair of blade supports (32) wherein the plow blade (30) is operatively attached to the supports (32) and wherein the supports (32) are pivotally attached to th |
| 5119744 |
Method and apparatus for treating turf |
June 9, 1992 |
| A method and apparatus for treating turf to reduce the general soil density in which turfgrasses grow and thus promote turf growth and turf drainage which includes injecting through the turf into the soil a pattern of jets of generally incompressible liquid at a jet pressure and jet spac |
| 5101745 |
Method and apparatus for soil cultivation by high pressure injection of fluids |
April 7, 1992 |
| An apparatus and method is disclcosed for cultivating soil and turf by utilization of pressurized liquid injected into the soil and turf. A roller assembly (33) is provided for applying mechanical pressure to the turf after cultivation. Further, a means for setting a first speed in a |
| 4694528 |
Convertible vacuum-blower |
September 22, 1987 |
| A convertible vacuum-blower which includes a housing having an air inlet and an air outlet is disclosed. A motor and an impeller are supported in the housing. The impeller is supported for rotary motion and is driven by the motor. The impeller is in fluid communication with both the air |
| 4374465 |
Attachment for rotary lawn mower |
February 22, 1983 |
| A rotary lawn mower (2) has a rigid cutting blade (6) rotatable in a housing (4). A filament holder (12) is releasably attached to blade (6) through aperture (16) by mounting means consisting of tab (22), neck (24), and collar (26). Filament holder (12) releasably contains a filament (14 |
| 4335567 |
Bagging filament mower |
June 22, 1982 |
| Lawn mower (2) includes a housing (4) having at least one cutting chamber (22 or 24) in which a flexible line cutting element (8) is rotated by a motor (76). Sails (80) located on cutting element (8) are configured to generate an air flow in the cutting chamber (20 or 22). This air flow |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 3955653 |
Rotary mower blade arrester apparatus |
May 11, 1976 |
| Apparatus for rapidly braking the rotary blade of a rotary mower driven by an internal combustion engine. The internal combustion engine has a plurality of passages which lead to its combustion chamber for provision of a fuel-air mixture for combustion in the chamber and for exit of |
