Abstract: A lawn edger attachment for power driven vehicles consisting of a rolling coulter blade carried for rotation on a horizontal axis transverse to the line of travel of the vehicle at one end of an arm pivoted at its opposite end to the vehicle on a parallel axis. Power means are provided for pivoting the arm. The blade is cup-shaped in order that earth pressure thereagainst will force it to follow the edge of a paved surface. The blade may be reversed so that the vehicle may operate either on the grass or on the pavement. The arm may be extended either forwardly or rearwardly from its pivot, for convenience in various situations. The arm is a horizontal parallelogram linkage, so that the blade can follow the pavement edge even if the vehicle is not steered precisely parallel to this edge.

Abstract: A lawn edging tool to be mounted to a conventional rotating shaft on a lawn edging machine which is composed of a disc-shaped member having radially extending passageways and an inner opening spaced between the center of the disc and the periphery of the disc and in communication with the passageways and sized to nest an enlarged end of a strip of rubbery material, such as a strip cut from a tire carcass and wherein the strip extends radially outwardly through the passageway to serve as flailing members.

Abstract: An edger blade uniquely designed to cut into the surface of the ground thus loosening a portion of the dirt, lifting the loosened dirt from the ground, and throwing the dirt to one side. The blade is adaptable for mounting on most home garden edgers powered by internal combustion engines. The blade has a central hub portion provided with a shaft hole adapted to permit the blade to be mounted on the edger shaft. Two arms extend from opposite sides of the central hub portion to form hoe portions that perform the hoeing operations of the invention.

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: An improved cutting and drive structure is disclosed that is particularly useful in conjunction with tilling apparatus for sod seeding purposes. The structure includes a tillage blade or cutter wheel mounted for rotation by a drive structure that includes a rotatable drive shaft. The cutter wheel has a thin disc-like body portion and a periphery with a plurality of teeth thereon, with different teeth being offset in opposite directions from the plane of the body portion. The offset teeth which in a preferred embodiment have hard-facing on the cutting surface, have a specific configuration to allow the cutting wheel to produce a furrow in ground contacted by the wheel, with the furrow being wider than the body portion of the wheel due to the offset teeth, and this results in reduced soil compaction at the bottom of the furrow, as well as loose dirt therein to provide cover for seed deposited in the furrow.

Abstract: A portable power tool particularly suited for use in removing plant growth and debris from the peripheral zones of upstanding heads for subterranean sprinkler systems. The tool is characterized by a portable frame adapted to be positioned above an upstanding sprinkler head in an operative relationship therewith, a drive shaft mounted on the frame having a rotatable cutting head connected thereto for cutting an annular swath about the sprinkler head in response to rotary motion imparted to the drive shaft, and an electrically energizable motor connected to the drive shaft and adapted to respond to a positioning of the frame into an operative relationship with a sprinkler head for imparting rotary motion to the drive shaft.

Abstract: In abstract, a preferred embodiment of this invention is a device for forming and maintaining demarcation boundaries primarily in the field of plant husbandry. The device includes power driven sets of blades spaced from each other on a common axle, with the tips of the blades angled toward each other. The blades are arranged so that a wedge-shaped trench is cut, and the dirt effectively impelled and scattered.

Abstract: This invention is for a lawn edger. The edger has a strong unitary base mounted on a middle row of wheels and may be tilted backwards onto a rear roller. A motor is mounted on top of the base and a handle connects to the rear of the base. A cutter extends forward of the base and is held into position by a pair of forwardly extending rods. The cutter, which turns in a direction to throw any debris forward of the edger, is driven by a belt from the motor. A spring operating against one of the rods keeps a constant tension on the drive belt. A shield surrounds the cutter and has a guide with a lower rear position extending below the cutting blade. The edger may be run on a flat solid surface without the blade striking the surface. The edger is balanced with the middle row of wheels being the approximate center of gravity. The edger can tilt forward to the cutting position or rearward against the rear roller.