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9038359 Rotary implement having hard metallic layer and method therefor  
A rotary implement includes a metallic body that is rotatable around an axis. The metallic body includes a tapered leading edge having an interface surface and an opposite, free surface. The...
9003754 Stalk reducing bar and mower having a stalk reducing bar  
A stalk reducer bar and an assembly that supports, transports, and rotatably drives a stalk reducer bar in typical environments in which an area of vegetation is to be trimmed are provided. The...
8973274 Fixed line head for flexible line rotary trimmers  
A trimmer head for use with a plurality of lengths of flexible cutting line in a flexible line rotary trimmer having a plurality of line holders rotatably mounted thereon. Each line holder defines...
8935909 Replaceable mower blade and assembly  
A replaceable mower blade for attachment to a mounting member operatively connected to a mower is provided. The blade includes a central portion having opposing side edges, a top surface, and a...
8931248 Replaceable mower blade assembly  
A replaceable mower blade assembly for attaching to a rotatable spindle, motor, or engine crankshaft is provided. The blade assembly includes a mounting member having a plurality of ends extending...
8893461 Knife and counter knife in machine disk  
A rectangular counter knife with a larger diameter hole, the counter knife has two lateral, longitudinal, parallel, rectangular and vertical walls inferiorly forming a rectangular recess, the two...
8869369 Blade change carrier device  
The invention is essentially a quick-change blade carrier for a blade mounted to a rotary drive shaft (such as on a mower) has an internally threaded bore. The carrier includes a housing linked by...
8857038 Disc cutterbar quick-change knife with retaining pin assembly  
A quick connect apparatus for connecting a knife to a rotary disc cutterhead comprising a spring-loaded connector and a locking device which, when installed, prevents unintentional release of the...
8776489 Mowing cutter disc having a mowing blade and a holder  
A quick-change mowing blade arrangement is provided. The mowing blade has a shaped feature and a hole which maintain a certain spacing X from one another. For installation, the mowing blade is...
8745879 String trimmer head configuration and method  
A trimmer head assembly and the method of configuring the trimmer head assembly. The trimmer head assembly has a housing that attaches to a string trimmer machine. A spool is provided inside the...
8738237 Control system for starting electrically powered implements  
A control system is provided for starting electrically powered implements on a vehicle such as a grass mowing machine with electrically powered cutting reels. The electric motors are started at...
8726966 Adhesive substance removing tool  
An adhesive substance removing tool is provided with a cracking tool and a scrapping assembly which are removably coupled to a base. The cracking tool is used to crack the adhesive substance by...
8707665 Cutting disc assembly for a mowing device  
A mowing device for plants includes at least one rotor with a first rotation axis, and at least one blade which is driven in rotation by the rotor, in which the blade is attached to a blade holder...
8695316 Fixed rotary knife with multiple cutting surfaces  
A crop harvesting header has a cutter bed to cut crop material as the harvester advances through a field. The cutter bed includes a plurality of rotatable cutters having knives extending from...
8649954 System for controlling the angular position of stator blades and method for optimizing said angular position  
A system for controlling angular position of stator blades including: a mechanism for calculating a set angular position of the blades according to one of speeds; and a module for correcting the...
8640588 Powered weed trimmer cutting head and method  
A generally cylindrical cutting head for a weed cutting machine has blades that are exposed and lifted off of the head when an upper portion is rotated, with respect to a lower portion and/or a...
8615977 Shear and grind rotary mulching mower blade  
A rotary lawn mower blade that enhances the process of cutting, grinding, and ejecting lawn debris for the purpose of real-time nutrient recycling and visual aesthetics. The embodiment consists of...
8522519 Lawn mower  
A lawn mower comprising: a power supply; a chassis for holding the power supply; a fixed shaft attached to the chassis; a rotary blade which is rotatably supported with respect to the fixed shaft;...
8510960 Trimmer head spool for use in flexible line rotary trimmer heads having improved line loading mechanism  
An improved spool construction for carrying a length of cutting line in a trimmer head housing on a flexible line rotary trimmer wherein the spool comprises separately molded upper and lower...
8458998 Rotary lawn mower cutting blade  
A rotary lawn mower cutting blade with reduced drag and improved cutting ability includes a central mounting section, intermediate sections, and outboard sections along a common longitudinal axis...
8205423 Disc mowing device with blade holder breakable pin connection  
Mowing device for plants, comprising at least one rotor with a rotor axis, in particular a vertical rotor axis or first rotation axis, and at least one blade which is driven in rotation by the...
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...
8099936 Electrically powered flail mower  
A flail mower assembly includes a deck having a shaft rotatably connected to the deck. A flail drum is connected to the shaft and is co-rotatable with the shaft. A plurality of flail blade...
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...
7882642 Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism  
A trimmer head for use with a length of flexible cutting line in a rotary trimmer comprising a housing operatively connected to the trimmer to effect rotation of the head and a spool for carrying...
7878097 Powered weed trimmer cutting head and method  
A cutting head attached to a powered rotary weed cutting machine has a generally cylindrical structure containing a plurality of cutting blades. The cylindrical structure has upper and lower...
7841159 Rotary mower blade integrating aerodynamic elements  
An embodiment of an overall approximately rectangular rotary mower blade, affixed to a powered support shaft, where the support shaft rotates the blade tines on a rotational plane parallel to the...
7814735 Bolt for attaching a rotary mower blade  
A blade bolt for attaching a blade to a rotating member of a rotary mower has a head at a lower end, a cylindrical shoulder portion extending from the head, a shank extending from the shoulder...
7743478 Method for changing knives in a mower  
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...
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)...
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...
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...
7647758 Device for reducing debris accumulation in a rotary cutterhead  
A scraper device for connection to the knife connector in a rotary cutterhead and for rotation therewith that prevents debris from accumulating in the space between the knife and the cutterhead...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....