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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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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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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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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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7487719 |
Method for separating banana clusters into separate bananas
This application discloses a method for separating banana clusters into individual fruits. In this method, the banana cluster is hung on a carrier (such as a cable) in such a way that the hanging...
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RE40611 |
Wide cut harvester having rotary cutter bed
A harvester which uses a rotary style cutter bed has a series of rotary cutters extending across the path of travel of the machine and rotatable about individual upright axes. Part of the cutter...
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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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7225713 |
Cutting blade for a motor-driven, manually-guided implement
A cutting blade for a motor-driven implement is provided. The cutting blade has a main body having a central fastening opening and blade sections that extend approximately radially from the main...
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7181897 |
Rotary mower
A cutting device including a gearbox of an upper part, a lower part, and a front piece, the front piece having a thickness greater than the thickness of the upper part. At least one guide bearing...
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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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7111403 |
Head for line trimming apparatus
A head for a line trimming apparatus includes a body member and a detachable cover that may include a replaceable insert for connecting the head to a drive shaft of a line trimming apparatus. The...
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6978590 |
Lawn mower blade improvement
A lawn mower blade assembly is described that comprising a generally flat, elongated blade having a central mounting opening for mounting of the blade to a rotating motor shaft of a lawn mower. The...
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6959530 |
Pivotal knife mounting arrangement
An improved mounting arrangement for a knife to a disc for use on a rotary disc cutter that eliminates the need for a threaded connector and the associated nut is disclosed. It also provides a...
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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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6925718 |
Tool head
A tool head for a motor-driven, manually guided implement for receiving a rotatable cutter tool is provided. The tool head comprises a housing in which is provided a tool shaft that is rotatably...
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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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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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6829878 |
Quick change disc knife mounting mechanism
A rotary disc cutterhead knife mounting system uses a spring plate bolted to the underside of the cutterhead cover. A knife pin is attached also to the underside of the cover, adjacent the outer...
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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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6679039 |
Rotary mower blade
A rotary mower blade is formed with a notch at each end of the blade. Upwardly inclined vanes are provided on trailing edges of end portions of the blade adjacent the respective notches....
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6675569 |
Mower blade
A blade for mounting to a rotary mower. The blade has a beveled cutting leading edge and a trailing edge. The mower has a deck providing an over cover for the blade. The trailing edge of the blade...
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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...
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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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6490850 |
Mower blade
A mower blade with a trailing sweeping edge that projects below the cutting edge serves to brush, cut particles deposited on the grass surface down between the grass blades and up into the air...
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6487840 |
Combined mulching and shredding blade
A rotary lawn mower blade with improved combined mulching and shredding capability includes an outboard section having a leading cutting edge and a trailing edge. The trailing edge of the outboard...
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6484486 |
Grass cutting machine with mower unit
A mower unit of grass cutting machine has at least two blades. The left blade is rotatable clockwise, while the right blade is rotatable counterclockwise. A grass discharge passage is formed...
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6470662 |
Multiple blade cutting apparatus for rotary lawn mower
A blade cutting apparatus for a rotary lawn mower. The blade cutting apparatus is defined by a plurality of blades projecting radially outward from a central hub. Each blade is defined by a first...
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6470661 |
Mowing blade with star
A shape for the central drive hole of a rotary mowing blade, such shape including two pairs of teeth extending off of a central hole substantially displaced 30° from the central axis of the mowing...
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6446346 |
Rotary blade for trimmers and brush cutters
A rotary blade ( 10, 110, 160 ) for a weed cutter, trimmer, or brush cutter and including a hub ( 20, 112, 162 ), in a first plane ( 28 ), a cup ( 30, 114, 164 ), a crown ( 32, 116, 166 ), in a...
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6446345 |
Rotary cutter for mower
A rotary cutter for a mower capable of limiting the reeling out of a cord, when the free end of the cord is worn out to only when the rotary cutter is rotated at low speed thereby preventing...
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6427341 |
Cutting blade for vegetation trimming device
A cutting attachment for use with a vegetation cutting device. The cutting attachment has a body with a generally planar coupling portion and a central axis of rotation. In one embodiment, the body...
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6415591 |
Lawnmower blade with fan structure for creating enhanced air movement
A lawnmower blade for cutting grass with a scything action. The lawnmower blade includes elongated bar. The bar is adapted to engage a drive shaft of a lawnmower. The bar has a generally arcuate...
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6401344 |
Head for line trimming apparatus
A head for a line trimming apparatus includes a body member and a detachable cover which may include a replaceable insert for connecting the head to a drive shaft of a line trimming apparatus. The...
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6389786 |
Belt drive system having a single drive motor for multi-bladed rotary cutting unit for mower
A riding mower having two side cutting units and a front cutting unit operatively connected to a traction frame. Each side cutting unit can pivot about a substantially vertical axis relative to the...
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6360517 |
Mower unit
A mower unit (B) having a housing ( 13 ), blades ( 12 ) supported in the housing to be rotatable about vertical axes (P 1 ) acting as the centers of rotation, cutting edges ( 12 A) defined at front...
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6357215 |
Vegetation cutting tool and blade
A vegetation cutting tool such as a brush cutter, lawn mower, etc. includes a hub ( 110 ) for mounting on the rotary shaft of the brush cutter and blades ( 112 ) mounted thereto via pivoted links (...
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6347455 |
String trimmer head
A string trimmer head is provided for receiving and retaining separate lengths of string supplied from outside the head. String lengths passing through openings in the periphery of the head are...
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6318055 |
Vertical-axis mower and roller conditioner
Cutting apparatus (10) comprising a body assembly (11) including a lower wear disc (12) and an upper lifting and cutting assembly (13), mounted for driven rotation on a mower via driving hub (14)....
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6305153 |
Cutting member for agricultural mower
A cutting member of a cutting machine driven in rotation about an upwardly directed axis of revolution. The cutting member comprises at least two supports each carrying a cutting element, and at...
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6301868 |
Vortex reducing mower blade
A vortex reducing mower blade for use with a rotary lawn mower having a motor and a depending drive shaft has a cutting edge on each leading edge thereof, an airlift on each trailing edge thereof,...
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6301863 |
Multi-blade circumrotational trimmer
The present invention discloses a 360 degree rotatable trimmer assembly 10 mounted on the side of a conventional lawn tractor 12 having a plurality of cutting members 26, 92 mounted onto a platform...
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