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8151435 |
Method for forging a spindle housing
A manufacturing method includes shearing or cutting an elongated rod blank from bar stock, forge-forming a through hole in the rod blank that extends longitudinally through opposing ends of the rod...
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8099937 |
Replaceable edge for cutting blades
A cutting blade apparatus includes a blade and a replaceable cutting edge component that is removably engageable with the blade. The cutting blade apparatus may be used in a variety of cutting...
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8056306 |
Rear discharge mower
A rear discharge mower comprising: a first shaft; a first blade that is rotated in unison with the first shaft; a second shaft that is configured to be rotated in a direction opposite from a...
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8051631 |
Rear discharge mower
A rear discharge mower comprising: a first shaft; a first blade that is rotated in unison with the first shaft; a second shaft that is configured to be rotated in a direction opposite from a...
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7966795 |
Mowing device, a knife adapter for such a mowing device, a retainer for such a mowing device and method of using same
A mowing device including a disc, the disc providing a mount for at least one knife, said knife being pivotably mounted to said disc by a pivot pin, said pivot pin defining a mounting axis, such...
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7930873 |
Two piece peripheral mower blade
A two piece peripheral mower blade is designed to cut and mulch grass at high volume. The blade is constructed of two pieces. The blades attach to a shaft via spaced apart hubs to which the pieces...
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7832105 |
Water plant removal tool
A manually operable cutting tool for removing vegetation from a body of water such as along the shoreline of a pond or lake includes a handle and a pair of angularly adjustable cutting blades. The...
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7810303 |
Human powered lawnmower friction wheel driven blade assembly
A human powered lawnmower includes a frame, a handle assembly having one end thereof pivotally secured to the frame and having an opposed end thereof extending in a rearward direction, a rear axle...
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7805844 |
Electric bush cutter
An electric bush cutter includes an electric motor, which rotates a cutting edge through a centrifugal clutch, and an operating unit capable of adjusting rotational speed of the electric motor in...
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7797839 |
Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism
A trimmer head for a rotary line trimmer including a housing operatively connected to the trimmer and a spool for carrying cutting line thereon. The spool is operatively connected to the housing...
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7784254 |
Lawn mower blade assembly having blade mount for quick blade replacement and associated methods
A lawn mower blade assembly for a rotatable driveshaft includes a blade mount to be secured to the rotatable driveshaft and having at least one wedge surface thereon. A cutting blade is removably...
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7775026 |
Lawn mower blade assembly for quick blade replacement and associated methods
A lawn mower blade assembly for a rotatable driveshaft includes a blade mount to be secured to the rotatable driveshaft and a cutting blade removably coupled to the blade mount and defining...
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7730708 |
Mower blade assembly
A mower blade assembly (10) includes an elongated blade bar (11) having two oppositely disposed cutting ends (13). A pair of removable bottom blades (22) and a pair of removable top blades (23) are...
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7703267 |
Mower blade coupler with enlarged head and projecting fins
A coupler comprising a shaft, an enlarged head, a proximal end of the shaft, and a journal for contacting and rotating in an annular bearing surface of a component for forming a pin connection with...
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7703268 |
Rotary cutter bar mechanism and blade pin coupling
A rotary mowing implement including a rotary cutter bar disk, at least one hub, a blade element, a pin, and a pin retaining mechanism. The at least one hub is connected to the rotary cutter bar...
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7646118 |
Portable power working machine
A portable power working machine includes a drive unit disposed in a motor housing connected to a proximal end of an operating arm. The drive unit rotates a cutting blade at a distal end of the...
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7640838 |
Saw blade with secondary teeth separated by deep gullets
A planar saw blade having an outer cutting edge with a plurality of saw teeth also includes sets of secondary teeth placed in cutout portions within the body of the saw blade. The secondary tooth...
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7617664 |
Rotary cutting blade assembly
An improved rotary cutting blade assembly which is characterized by reduced friction and enhanced cutting efficiency is disclosed. The improved rotary cutting blade includes a rotary cutting blade...
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7543431 |
Mower blade locking joint
A mower blade locking joint for fastening and securing a rotary cutting blade to a vertically aligned spindle driven by an engine. The spindle extends below a mower deck. The blade has a pair of...
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7543432 |
Retractable blade cutting apparatuses and methods for mowing machines
Apparatuses and methods are provided for preventing damage to a lawnmower engine and crankshaft when the lawnmower cutting blade encounters an obstructive object. A cutting device for a lawnmower...
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7506494 |
Pivot-blade cutting and retaining means for rotary mowers
A cutting device configured to attach to a spindle of a mower. The cutting device includes at least two pivot-blades and a blade mounting assembly. The blade mounting assembly has an upper...
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7490459 |
Mowing device, a knife adapter for such a mowing device and a retainer for such a mowing device
A mowing device including a disc, the disc providing a mount for at least one knife, said knife being pivotably mounted to said disc by a pivot pin, said pivot pin defining a mounting axis, such...
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7487704 |
Saw blade with multiple interior secondary saw teeth
A saw includes a planar body having at least one cutting edge with serrated teeth. The planar body has cutout portions displaced from the outer cutting edges that include first and second sets of...
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7480998 |
Bush cutter
A cutter is coupled to a tip of a driven shaft rotatably attached in an operating arm as a main body of a bush cutter, and the other end thereof is provided to a driven side coupling portion...
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7451677 |
Saw blade with secondary teeth
A saw comprising a planar body includes at least one cutting edge with serrated teeth. The planar body has cutout portions displaced from the outer cutting edges which include sets of secondary...
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7416040 |
Travelling device particularly for self-propelled mower
Travelling device (20) particularly for self-propelled mower comprises a frame (1) provided with several identical travelling units (21) arranged on its circumference. Each travelling unit (21)...
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7392643 |
Mulching system for a lawn mower
A lawn mower having upper and lower cutter blades in a cutter housing is provided. The blades are disposed with a phase difference such that upper blade edge parts of the upper cutter blade are...
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7299612 |
Rotary mower blade
A rotary motor blade has rotational mounting structure in its body member to mount the blade to a power driven motor and thereby rotate the blade. The body member includes at least one free end...
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7290383 |
Trimmer blade
A trimmer blade assembly comprising a blade within a housing is provided. The housing includes a wall for propelling cut vegetation away from the blade assembly. The blade assembly may also include...
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7171798 |
Rotary shredding blade
A brush cutter blade for shredding of grasses, weeds, vines and brush and also for saw cutting of saplings and tree branches, comprising a circular saw blade member with auxiliary cutting elements...
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7155889 |
Modularized lawnmower replacement blade
A modularized lawnmower replacement blade which can be can be attached to a standard lawnmower shaft. The modularized blade includes a central mounting hub with four recessed seats. In the...
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7127877 |
Universal mower blade
A mower blade includes a mid-section, two sharpened, end sections, and a blade longitudinal axis. The mid-section includes a circular, central hole having a relatively large diameter and being...
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7124566 |
Cutting device, particularly a lawn mower
A cutting device, particularly a lawn mower, has at least one rotating knife mounted on a rotating, motor-driven knife carrier by a screwless, detachable connection. This connection is detachable...
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7024847 |
Mower deck
A mower deck includes a cutting chamber, at least one blade mounted cutting chamber and at least one deflector mounted in the cutting chamber. The at least one deflector is semi-permeable to...
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6971224 |
Retractable discharge chute for a lawn mower
A lawn mower that includes a cutting blade rotatable about a blade axis to produce clippings and a mower deck including a side opening positioned to allow for the discharge of the clippings. A...
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6951094 |
Mower with mulching function
A mower with a blade housing, in which a blade rotates about a vertical rotational axis in a rotational plane, so that for movement of the mower in the mowing direction, the cutting material is cut...
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6938402 |
Mowing blades having an impact energy absorbing structure
Mowing blades which include a one-piece member having a drive mechanism coupling section, a deformation section and a cutting section. When the mowing blades receive a particular load from an...
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6935095 |
Rotary lawnmower blade with reversible replaceable blades
Attachable to a rotary lawnmower shaft is a body assembly of a rectangular shape having a removable and reversible blade on each end. The blades are easily and quickly removed, reversed, and...
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6910324 |
Multi-bladed rotary cutting deck with mulching and discharge/collection modes
A rotary cutting deck has dual, side-by-side cutting chambers each of which houses a rotary cutting blade. The blades rotate so that grass clippings exit to the rear of the cutting deck through a...
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6848245 |
Lawn mower with improved blade and blade housing
A grass cutting blade is provided which can be rotated in either direction while providing cutting and airlift in either direction. This can be used in cooperation with a cutting deck housing which...
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6840030 |
Thatching attachment for a rotary power lawn mower
A thatching attachment for a rotary power lawn mower that uses short lengths of nylon trimmer cord as bristles to thatch lawns by mounting the brushes on a blade. The device uses alternatives to...
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6782682 |
Shield fixed over crop conveyor wheel of machine for mowing stalk-like crops
A machine for mowing stalk-type crops includes a crop conveyor wheel mounted for rotation about an approximately vertical axis and provided with recesses that are distributed over its circumference...
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6769236 |
Thin lawn mower blade
A lawn mower blade having a thickness of approximately 0.075 inches comprises a main body, an elevational profile, and end portions equidistant from the center of the blade. The elevational profile...
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6722114 |
Safe lawn mower blade alternative system
A lawn mower blade assembly comprises a bottom hub and a top hub, both provided with central apertures. Provided around the bottom and top hubs are a plurality of equally spaced holes. An...
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6698176 |
Multiple saw pruning apparatus
An inexpensive and readily available pruning blade for pruning crop growth, such as grape vines following harvest, has a disc-like base plate. The base plate has ordinary small diameter radial...
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6688095 |
Blade coupler assembly for use with a self-propelled, walk-behind rotary lawn mower
A blade coupler assembly operable to couple a cutting blade and a drive belt to a lawn mower engine crankshaft. The blade coupler assembly may include a blade/belt driver assembly having a tube...
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6655119 |
Cutter blade for lawn mower
A cutter blade for lawn mowers having an airlift curved from a cutting edge formed on a rotationally leading edge toward a rotationally trailing edge. The trailing edge of the airlift is shaped in...
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6640449 |
Cutting blade for a trimmer
The present invention relates to a cutting blade for a trimmer. The cutting blade (1) comprises a base body (14) having a central portion (15) as well as end portions (16) adjoining the central...
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6594981 |
Mowing and mulching system for lawnmowers
A mowing and mulching system for lawnmowers having multi-blade knives coupled to a motor-driven driving shaft and rotating in a pot-like cover opening at the bottom side. The blades are attached to...
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6575839 |
Heavy duty quill assembly for a lawn mower
A quill assembly for transmitting power from a belt drive to a lawn mower blade has a jackshaft positioned within a central bore of a housing. A blade adapter is recessed into the bottom of the...
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