Lawn Mower Patents (Class 239/DIG6)
  • Patent number: 5673856
    Abstract: A method of making a cleaning device and a cleaning device for removing residue from the underside of a lawn mower including a lateral extension having a mower alignment guide with the extension sufficient high so an operator can operate the controls from the seat of a riding lawn mower, with the lawn mower cleaning device including reinforced members that carry an elongated wash arm having stakes thereon that can be driven into the ground to secure the wash arm in position for driving over with a riding lawn mower, with the wash arm having a minimum of sufficiently small openings so that the area of the openings is smaller in relation to the size of the plenum so the wash arm functions as a plenum chamber to thereby generate high pressure jets of water for cleaning the underside of the lawn mower.
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: October 7, 1997
    Inventor: Tim Krohn
  • Patent number: 5499492
    Abstract: A pulsating cleaning attachment is added to an existing rotary lawn mower, and is adapted to receive a hose for cleaning the mower blade and underside surface of the lawn mower carriage. An attachment body member of the attachment includes a first upward-directed water passage selected at an angle of about thirty degrees, which passage terminates in an elliptically-shaped opening on the inner surface of said body member. This passage both forms and directs a jet stream of water exiting therefrom into and from beneath a rotating blade tip of the mower, whereby the rotating blade cuts the jet stream and creates a pulsating cleaning action for the undercarriage, blade and skirt of the mower.
    Type: Grant
    Filed: June 16, 1994
    Date of Patent: March 19, 1996
    Inventor: Eddie A. Jameson
  • Patent number: 5312047
    Abstract: A spraying device for dousing the blade chamber of a rotary lawn mower to effect cleaning thereof. An annular, D-shaped conduit is secured to the ground by a centrally disposed stake. The stake orients the flat portion of the D-shaped conduit against the ground, providing a low profile in order for the mower to be positioned over the spraying device. The annular conduit has a plurality of orifices disposed on the top surface defining first and second annular formations. The first annular formation upwardly directs a controlled spray pattern perpendicular to the ground, while the second annular formation upwardly and outwardly directs a controlled spray pattern preferably 45.degree. from the perpendicular. A valved extension conduit in communication with the annular conduit is releasably coupled to a water source such as a garden hose connected to a water faucet for supplying the spraying device with pressurized water.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: May 17, 1994
    Inventor: Louis A. Akers
  • Patent number: 5312044
    Abstract: A method and apparatus for pressure cleaning, wherein fluid from a source of pressurized fluid is injected into, passes through, and is ejected from the crankshaft of a motor toward a surface that is to be cleaned. The crankshaft defines a crankshaft passage therethrough and has a crankshaft inlet end into which the fluid is injected and a crankshaft outlet end out of which the fluid flows. A distribution assembly is attached to the crankshaft outlet end and the fluid flowing out of the crankshaft outlet end flows through the distribution assembly and is discharged therefrom. The crankshaft rotates and causes the distribution assembly to rotate. The rotation and orientation of the distribution assembly causes the velocity of the fluid discharged from the distribution assembly to be greater than the velocity that would be achieved solely due to the pressure differential between the source of pressurized fluid and the environment at the outlet of the distribution assembly.
    Type: Grant
    Filed: December 29, 1992
    Date of Patent: May 17, 1994
    Inventor: James O. Eaton
  • Patent number: 5237803
    Abstract: An apparatus or system for delivering a pesticide spray to a predetermined area, which includes a container for the pesticide to be delivered; a spraying portion, further including a substantially circular rotating member positioned on a central rotating axis; an upper circular shield positioned above and extending beyond the outer perimeter edge of the rotating member; a nozzle for injecting a quantity of pesticide onto the rotating member; a splash guard on the circular shield for directing the spray from the edge of the rotating member to the area of weeds below the shield covering the rotating member; and a powered device for moving the spraying member along the weeds to be sprayed, and for delivering the quantity of pesticide to the weeds. The apparatus may further include a rotating blade for cutting the weeds as the spray of pesticide is delivered beneath the circular shield.
    Type: Grant
    Filed: February 4, 1992
    Date of Patent: August 24, 1993
    Inventor: Lucas Domingue, Jr.
  • Patent number: 5222666
    Abstract: A pesticide fogger suitable for use with internal combustion engines has a heat exchanger built into the exhaust. A pesticide line is run along the exhaust, its entry port is at the hottest point of the exhaust, suitably about 3 inches from the inlet end of the exhaust. The line is wound in counter current flow in six coils around the exhaust between the muffler and the entry port. An outer sleeve surrounds heat exchanger, exhaust and entry port to form a sealed chamber. The discharge pipe apertures in the muffler are at least 3/16 inch in diameter. The device is conveniently an exhaust component for attachment to an internal combustion engine, and is suitable for lawn mowers. A hand operated accordion primer pump built into the pesticide container conveniently provides initial positive pressure.
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: June 29, 1993
    Inventor: Robert A. Gnutel
  • Patent number: 5152459
    Abstract: A lawnmower washer apparatus is arranged for receiving a lawnmower above a grid member, wherein the grid member is positioned above a rotary distribution head to direct water to a bottom surface of a lawnmower mounted upon the grid, and further including a torroidal manifold positioned about the rotary distribution head to direct pressurized oil to a bottom surface of the lawnmower minimizing corrosion during storage thereof.
    Type: Grant
    Filed: October 18, 1991
    Date of Patent: October 6, 1992
    Inventor: Albert L. Boeh
  • Patent number: 5027590
    Abstract: An attachment for cleaning the underside of rotary lawn mowers which is a horizontal tubular device having a mower connecting member and quick connect receiver extension. The attachment is connected through the side casing of the mower and is releasably attachable to a quick disconnect fitting which can be connected to a conventional garden hose.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: July 2, 1991
    Inventor: Max L. Stark
  • Patent number: 4784327
    Abstract: A substantial, stable, safe to use yard station is disclosed. The yard station provides for the cleaning of lawn mowers, both the underside and outer surface, and of other lawn implements. The construction is from a relatively heavy gauge base plate, which has provision for staking the apparatus down, and from water carrying pipe fittings, valves, a length of hose and a nozzle etc.
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: November 15, 1988
    Inventor: Arlyn L. Lund
  • Patent number: 4762278
    Abstract: The present invention relates to a device designed to be detachably attached to the undercarriage of a lawn mower through the use of hooks engageable with the blades of the lawn mower. The device includes an annulus having a plurality of holes therethrough with a coupling designed to be connectable to a water supply hose. Additionally, a pair of diametrically opposed sharpening stones are rotatably mounted on the device and are automatically rotated through the provision of paddlewheels, each of which is rotated through the provision of water sprayed thereon as supply from two supply conduits. When the hose connection is connected to a hose supplying water to the device and the water begins to flow, water sprays out the openings in the annulus to clean the undercarriage of the lawn mower while water spraying out the supply conduits impinges on the paddlewheels causing the grinding stones to rotate to thereby sharpen the lawn mower blades.
    Type: Grant
    Filed: November 4, 1987
    Date of Patent: August 9, 1988
    Inventor: Conrad C. Taylor
  • Patent number: 3982697
    Abstract: An improved spraying apparatus for use in combination with a mowing apparatus is described which facilitates uniform application of a liquid spray to grassy surfaces while minimizing surface compaction, said apparatus being comprised of means for receiving liquid from a remote supply source and means for discharging a liquid spray onto the surface being treated, the spray pattern contacting said surface having a width substantially equal to the width of the swath cut by the mowing apparatus.
    Type: Grant
    Filed: June 18, 1975
    Date of Patent: September 28, 1976
    Inventor: H. Eugene Maples