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4893410 |
Cutterhead for a vegetation cutter
The invention is directed to a cutterhead for attachment to a vegetation cutting apparatus. The cutterhead has a housing with a spool on which a coil of cutting filament is wound. The cutting...
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4890389 |
Cutter guard
A guard for a power trimming device of the type having a rotating cutting element partially enclosed about a short arcuate extent by a housing is formed from a rigid bar having a generally circular...
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4888871 |
Driving head for line cutting devices
A driving head for a line cutter device includes a base part; a spool driver; mounting means for mounting a spool, on the spool driver; and a set of teeth circumferentially distributed on the spool...
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4887599 |
Powered rotary scalpel structure
Powered rotary scalpel structure including a circular scalpel blade secured at one end of a blade support arm connected to a handle having a drive motor secured to the other end thereof and means...
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4882843 |
Structure of a head of a flexible filament type grass trimmer
A head for a grass trimmer and the structure thereof and in which flexible filaments of a predetermined or required length are payed out by repetitive release and connection of a drive shaft and a...
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4872265 |
Trimmer attachment
A cutter attachment for a mono-filament type trimmer implement which includes a pivotal spacer assuring distance between the rotating string and the area under maintenance. Provision is made for...
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4872452 |
Bone rasp
A rasp adapted for rasping generally hard tissue, such as bone, cartilage and associated tissue, and a method of forming such a rasp are disclosed. The rasp comprises a plate-like body having...
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4869055 |
Star-shaped flexible cutting line
A line for a rotating trimmer, the line having a plurality of sharp edges extending longitudinally thereof and spaced circumferentially from each other, with remainder portions, between adjacent...
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4864730 |
Electric ring cutter
A tool for cutting a ring while the ring is lodged on a finger. The tool comprises a housing upon which a pivot arm and a motor driven circular saw blade are mounted. The tool is put to use by...
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4864728 |
Brushcutter
A brushcutter has a guide wand with a drive head rotatably mounted thereon. A motor rotatably drives the drive head and a cutting head for cutting vegetation is mounted on the drive head and...
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4860525 |
Rotary cutting machines and components therefor
Improved guard and blade assemblies for a rotary cutting machine; wherein the guard has a full rear skirt, and an apertured front skirt of three designs of guard element mounted in cantilever; and...
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4858321 |
Slotted depth gauge plate
A disc-shaped control plate is mounted within the central opening of a ring-shaped cutting blade of a power driven, hand manipulated trimming knife to control the shape and thickness of strips of...
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4856194 |
Cutting attachment for trimmers
Cutting attachment for a cutting device having first and second mating body sections forming a rigid body. The first body section has a generally vertical side wall portion, a downwardly and...
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4854046 |
Rotary hand trimming knife
A hand knife 20 of the type used for trimming meat with a rotary gear-driven ring-like blade 34 guided by a ring-like housing 30 and retained by a pivoted retainer 36. The blade has a concave inner...
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4852258 |
Apparatus for cutting vegetation
Apparatus for cutting vegetation with a rotatable head carrying a non-metallic cutting line extended into a cutting plane. Additional line is extended from a supply line coil within the head into...
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4848846 |
Portable power tool
A portable power tool comprising a support tube connected to an engine by means of an intervening clutch casing, a slider tube slidably fitted to the support tube and spring-biased forward relative...
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4841929 |
Portable rotary power tool
A gasoline engine driven flexible line trimmer is provided with a modularly constructed power head section which significantly facilitates the original manufacturing assembly, and subsequent...
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4829675 |
Electrical appliance and handle for same
An electrical appliance (10) including a motor assembly (12) and a switch assembly (14). A handle assembly (16) spans between the motor and switch assemblies (12 and 14, respectively). Lower handle...
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4827702 |
Blower attachment for filament trimmers
A blower attachment comprising a band for slipping over and snugly engaging for rotation therewith a filament line spool of a conventional filament line trimmer. The band is provided with at least...
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4825548 |
Vibration-damping control handle for a portable power tool
A vibration-damping control handle connectble to the shaft portion of a portable power tool, such as a flexible line trimmer or the like, has an elongated, generally tubular vibration isolation...
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4825627 |
Lawn mower cutting assembly
A grass cutting assembly for a rotary lawn mower having flexible resilient blades replaceably mounted on a rotor disc. Each elongated blade has an elongated inner end portion and a flat outer...
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4823465 |
Line feed mechanism for line trimmers
The cutting head assembly of a motor-driven flexible line trimmer has a line feed mechanism which includes a housing member connected to and driven by a drive shaft from the prime mover and having...
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4823464 |
Grass trimmer
A shield for a string trimmer using a rotating flexible cutting element defining a circular perimeter including: a base wall generally parallel to the plane of the rotating cutting element and...
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4819333 |
Cutter head for grass trimmer
A cutter head for a grass trimmer is disclosed which has a hole formed in a disc portion for guiding a distal end of a cord from a cord winding portion toward a boss portion and an annular flange...
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4819416 |
Rotary cutting member for use with lawnmowers and the like
The present invention discloses an apparatus for cutting grass and the like comprising a rotary cutting member. The rotary cutting member includes a hub and a plurality of arms extending therefrom....
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4817738 |
Portable handheld motor-driven tool
A portable handheld motor-driven tool such as a brushcutter or the like drives a work tool via a drive shaft. The drive shaft is coupled to the motor shaft and is journalled in the motor housing by...
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4817289 |
Cord cutter head
A cord cutter head for use in, for example, a cord cutter type grass trimmer has a housing having which is provided with a downwardly directed opening, and a spool carrying a flexible cutter cord...
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4817288 |
Cutting head for cord type mower
A cutting head for a cord type mower which severs grass and weeds with cords unwound from a cord spool provided within a bowl-shaped rotary casing and radially projected from the rotary casing by...
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4813140 |
Lawn and bush cutter with remote payout of cutting wire
A lawn and bush cutting device comprises a housing mounted for rotation about an axis with a drive shaft fixed to the housing and drivable by a motor for rotating the housing. A wire cylinder is...
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4794695 |
Easy loading herbage trimmer
An improvement is provided in a motor drive rotary herbage trimmer whereby a spool that carries a supply of a flexible cord is easily inserted into the trimmer or removed therefrom. The improvement...
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4794273 |
On/off control system for power operated hand tools
An electronic ON/OFF control system for use on a powered hand tool to ensure operator safety and ease of operation. The hand tool is driven either by an electric motor driven, flexible drive shaft...
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4790071 |
Line trimmer with replaceable cutting blade assembly
A flexible line trimmer for cutting vegetation can be converted to a blade cutting device. The trimmer has a motor driven rotatable head with a cavity defined by a wall of the head. The cavity...
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4788771 |
Cord cutter head having a noncircular cross section
A cord cutter head for use in, for example, a cord cutter type grass trimmer has a housing having a downward opening, a spool mounted substantially in the center of the housing and carrying a...
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4779405 |
Line-feeding head for a rotary line trimmer
A rotary line trimmer having a rotary head from which a cutting line is fed from a drive head in response to the axial shifting of a flexible drive shaft. The drive shaft rotatingly drives the head...
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4766897 |
Capsulectomy surgical instrument
An ophthalmic surgical instrument (10) is provided for incising the anterior lens capsule of the crystalline lens of an eye. The surgical instrument (10) includes a handle (12) adapted for support...
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4765127 |
Self-sharpening mower blade
A blade for a rotary mower comprising an elongated, flat metallic member having first and second ends and a central aperture for mounting the member on a shaft for rotation in a cutting plane, each...
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4759128 |
Transmission device
A transmission device adopted for a working tool such as a weed cutter having an engine, a rotary blade, and a gear case for supporting the rotary blade. The transmission device comprises an...
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4756146 |
String trimmer head and method
A fixed line string trimmer head includes a pair of overlying sheet steel circular plates welded together to form two or more pairs of partially circular passages between the plates opening at each...
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4756084 |
Guard for vegetation cutting device
A cutting device for vegetation comprising a supporting structure, a rotary cutting head adapted to have at least one strand-like cutting element extending therefrom, a motor for rotating the...
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4752256 |
Boat propulsion device
The present invention relates to an adapter for converting a conventional apparatus used for cutting and trimming vegetation into a device for propelling a boat. The adapter includes a screw...
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4744148 |
Circular cutter blade with chain saw edge
A pair of equal diameter circular plates with a free peripheral edge have aligned apertures for mounting them on the threaded end of an arbor. A chain saw chain rests on the peripheral edge of the...
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4738085 |
Rotary cutter for mowers
A rotary cutter head for use with a rotating filament trimmer in which a reel for winding cords or filaments is held between a housing covering a lower portion thereof and a retainer or hub fixed...
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4736573 |
Rotary cutting machines and components therefor
Improved guard and blade assemblies for a rotary cutting machine; wherein the guard has a full rear skirt, and an apertured front skirt of three designs of guard element mounted in cantilever; and...
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RE32629 |
Mowing machine with annular inertia shifter
A mowing machine is provided with its cutting head employing one or more flexible cutting lines such as Nylon cords which serve to cut grasses during rotation of the cutting head. The free end...
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4733471 |
Tool drive assembly and clamp
A self-coupling split-shaft drive assembly for a tool provides for assembly by a user and start-up without concern over the proper or improper orientation of the two shafts. The drive assembly...
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4726176 |
Rotary mower cutter means
For a rotary lawn mower, a cutter means provides an attachment or original equipment, providing novel means of carry of flexible strips which provide cutter elements, the strips being easily...
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4722139 |
Hand-held wild-seed reaping apparatus and method
A hand-held wild-seed reaping apparatus and method having a motor mounted on a frame for driving a cutting mechanism which is surrounded by a containment box with an open front and rear end. A...
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4715123 |
Rotary trimmer with self-contained collection means
A light weight portable hand-held apparatus for cutting and trimming vegetation, hedges, trees and the like and which is provided with a rotatable blade housing having a plurality of cutting...
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4714447 |
Power train of mowing machine
A power train of a mowing machine including a joint member of a substantially cylindrical configuration rotatably journalled by a bearing mounted to an inner surface of an operating rod through a...
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4712364 |
Quick attachable and detachable mower blade assembly
A quick attachable and detachable mower blade assembly comprising a blade member and blade holder member having flat adjoining surfaces and fixed to the lower end of a vertical drive shaft. A pair...
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