Including cutter yieldably mounted on its drive means

An improved mowing apparatus of the type having a rotatable reel-like casing about which a cutting string made of a high polymer synthetic material is directly wound. The coiled string is protected by a cap which is detachably mounted on the casing and locked for rotation therewith. The free end of the...     

A mowing apparatus of the type having a rotatable disk-like casing containing one or more rolls of flatly and concentrically coiled string made of a high polymer synthetic material. Each coil of the string is interconnected at at least one point to the adjacent coil by the help of a fixing element so...     

A towable, wheel-mounted yard maintenance apparatus which may be a lawn comber having impact arms, a lawn mower having a cutting reel, or a sweeper having a cylindrical brush. The working elements, for example the impact arms, are carried upon a shaft within a transverse housing. This housing and the...     

A cord-type mowing tool having a cutter body formed with at least one radially extending bore for receiving a cord serving as a grass cutting blade, and a clamping member fitted in the central bottom opening of the cutter body for forcing against the central portion of the cutter body an end portion...     

An improved cutter assembly adapted for use with a rotary edger comprising a circular spool for storing peripherally thereon a plurality of plastic filaments, such spool being receivable within a circular retainer which in turn is provided with a plurality of radially extending peripheral openings formed...     

An apparatus for cutting, trimming, and edging vegetation along driveways, sidewalks, and the like; around trees, shrubs, and like landscaping; and adjacent fences, walls, posts, and the like by rotation of a non-metallic cutting line in a cutting plane substantially perpendicular to the axis of rotation....     

Apparatus for cutting, trimming, and edging vegetation, and the like, is provided with a rotatable disc-like head having at least one string-like cutting member removably attached thereto and replaceably extending from its periphery for cutting adjacent vegetation and the like. A pair of knife members...     

Apparatus is provided for cutting vegetation with a flexible non-metallic string-like member in the manner of a flail. A circular body with one or more peripheral apertures is concentrically mounted on the shaft of an electric motor for rotation in a cutting plane, and a section of non-metallic line...     

There is disclosed a lawn trimmer/edger incorporating a relatively flexible monofilament cutting element of finite length. A number of techniques are disclosed for temporarily securing the monofilament element to a head attached to the rotating shaft of the edger/trimmer.

A rotary garden cutter utilizes a series of flexible cutter lines conveniently attached to a cutter head. Each cutter line threads into and out of companion apertures in the peripheral wall of the cutter head skirt. Parts of apertures extend circumferentially about the cutter head. A generally cylindrical...     

Disclosed herein are rotary cutting assemblies for cutting growing vegetation with tough whirling filament. The assemblies generally comprise an elongate lineal shaft extending along a vertical-axis, the longitudinal shaft having a top-end for removable insertion into a portable manually-graspable powered...     

There is disclosed a memorial marker trimmer including a horizontal rotary drum mounted from a supporting vehicle and rotated about a horizontal axis. Mounted at equidistance about the periphery of the drum are four axially extending rows of leather thongs forming whips about eleven inches long and a...     

A filament-trimmer/mower having a wheel mechanism supported frame articulated to provide semi-universal adjustment of the filament-to-work aspect through independent but co-acting side-by-side and fore-and-aft tip mechanisms, shielding being carried by the wheel support mechanism permitting the frame...     

A forage harvester and attachment therefor are provided wherein such attachment serves the multiple purposes of cutting, conditioning, and selectively moving a crop in two basic directions from a crop transfer zone within the attachment, one of the directions being toward the ground and the other being...     

A cordless electric lawn edger utilizes a flexible strand of nylon monofilament rotated at high speed to effect cutting of grass and weeds. The rotating assembly mounting the strand is substantially conical in order to reduce drag and prevent grass from wrapping around the assembly. The strand is fixedly...     

An apparatus is equipped with a non-metallic thick string of a diameter greater than 0.10 inches for cutting wild vegetation in the forest. The string is endwisely wedged into an acute slot formed in a top spool-like casing and directly wound about the cylindrical portion of the casing. The initial portion...     

Apparatus for cutting, trimming, and edging vegetation, and the like, is provided with a rotatable disc-like head having a plurality of string-like members removably attached thereto and extending from its periphery. When the head is rotated, the strings will extend therefrom so as to cut adjacent vegetation...     

A rotary-type lawn mower is provided with cutting means comprised of a rotatable disc-like member having a plurality of flexible non-metallic cords projecting radially from its perimeter. The disc-like member is rotated within the cutting plane by a suitable power source such as a conventional gasoline-driven...     

Apparatus for cutting, trimming, and edging vegetation, and the like, is provided with a rotatable disc-like head having at least one string-like cutting member removably attached thereto and replaceably extending from its periphery for cutting adjacent vegetation and the like. A unitary metallic bearing...     

Apparatus for cutting, trimming and edging vegetation, and the like, is provided with a rotatable disc-like head having at least one string-like cutting member removably attached thereto and replaceably extending from its periphery for cutting adjacent vegetation and the like. A metallic bearing element...     

A spool upon which one or more lengths of filament are wound is provided and housed within a cylindrical cover having one or more generally radial openings formed through one wall portion thereof and the free ends of the filaments are threaded through the openings and extend outwardly therefrom for flail-type...     

A rotary filament attachment to replace the rigid steel cutter blade on a conventional grass edger device, the attachment comprising a pair of disc members, having central openings and opposed inwardly directed peripheral flange portions or projections to define an annular cavity therebetween for storage...     

An incremental feed system for filament in vegetation-cutting filament trimmers, in which the filament is controlled in unspooling by a gear mechanism which is responsive to cutting-operation-induced torsional vibration relative to the driveshaft to feed fresh filament in amount proportional to the torsional...     

A rotary cutter head for a lawn trimmer or the like has a die cast head body comprising a top circular wall and a depending hub, with a plate riveted to the bottom of the hub for forming a spool to receive a winding of flexible cutting line such as monofilament nylon. A peripheral depending skirt on...     

A flail type shredder for farm crops employing an elongated frame which is adapted to be mounted at the front end thereof on the three point hitch of a conventional farm tractor and which travels along the terrain supported by a pair of wheels mounted at the rear end of the frame which are adjustable...     

Apparatus for cutting vegetation with a rotating head carrying cutting line extended into a cutting plane. Additional line is extended into the cutting plane by pushing a ball member against the ground while rotating the head. The ball member moves inwardly for releasing a spool carrying coiled cutting...     

An apparatus for cutting vegetation with a rotating head carrying a flexible, non-metallic cutting line extended radially into a cutting plane. An additional length of line is extended into the cutting plane by pushing the head against the ground and rotating the head. A glide ball on the head moves...     

An apparatus for cutting vegetation with a rotating head carrying a flexible, non-metallic cutting line wound on a rotatable spool with its free end extended radially into a cutting plane. An additional length of line is extended into the cutting plane by pushing the head against the ground to move inwardly...     

An apparatus for cutting vegetation wherein at least one line member protrudes exteriorly of the sidewall of a housing which is rotatable about a rotating axis. The line member is a tape and is wound upon a spool, which is mounted within the housing so that the width, which is greater than the thickness,...     

An improved cutting assembly for rotary lawn mowers, edgers, trimmers or the like, including a body member arranged for rotating about an axis normal with the cutting plane. At least two cutting lines are attached to the body member on a compound spool for rotation therewith in the cutting plane. The...     

An improved cutting assembly for rotary lawn mowers, edgers, trimmers or the like, including a body member arranged for rotating about an axis normal with the cutting plane. At least two cutting lines are attached to the body member on a compound spool for rotation therewith in the cutting plane. The...     

A portable power operated tool for cutting brush, mowing grass and the like which comprises a cutting implement mounted at one end of an elongated tubular housing and driven by a lightweight engine connected to the other end of the tubular housing, a fixing element for receiving and fixing a front part...     

A wheeled carrier for a lawn mower and edger which can be of the nylon line type. The mowing and edging tool is yieldably supported on a frame of the carrier to permit multi-directional operator controlled movement of the tool with respect to the carrier by manipulation of handle bars connected to a...     

Apparatus for cutting vegetation with a rotating head carrying non-metallic cutting line extended into a cutting plane. Additional line is extended into the cutting plane by pushing a ball member against the ground while rotating the head. The ball member moves inwardly for releasing a spool carrying...     

A rotary cutter head mounted on the end of a handle to power rotate at high speed one or more centrifugally whirled free ends of a reserve of nylon line wound on a spool co-axially pivotally mounted within the head. A co-axially spring biased indexer is subject to inertia applied through the handle while...     

An improved filament for use in the cutting of weeds and vegetation, wherein the filament is attached at one end to a hub for imparting rotary motion to the filament. The centrifugal force extends the filament radially outwardly from the hub, with the energy of rotation being utilized to sever or cut...     

A filament-bearing plate or disk system for cutting grass and the like in which the filament is wound upon later-closed serrations in the disk periphery rather than passed through a succession of holes in the disk periphery; embodiments of the invention have respectively resilient, malleably deformable,...     

A lawm trimmer chain saw conversion attachment has a mounting blade which mounts to a chain saw power head in place of the chain bar. The blade supports a housing formed of complementary die-cast halves which contains bevel gears between an input shaft that is chain driven at reduced speed from the saw...     

A self-threading housing for vegetation filament trimmers of the type having a supply within and movable relative to a housing to feed filament through an opening in the housing, for extension as a free end of filament swung in orbit as a cutting length of filament, by the filament trimmer. For self-threading...     

Apparatus for cutting vegetation with a rotating head having a ball member portion and carrying non-metallic cutting line extended into the cutting plane by pushing the ball member against the ground while rotating the head. The ball member portion moves inwardly and a spool carrying coiled cutting line...     

A flail shredder having a drive shaft mounted for rotation about an upwardly extended longitudinal axis for earth traversing movement transversely of the axis and for adjustable movement transversely of the line of movement; a power drive connected to the shaft; a flail assembly mounted on the lower...     

Novel cutting heads are described for apparatus used to cut vegetation and the like. The cutting heads are each adapted to be removably affixed to a rotatable shaft and rotated about an axis generally perpendicular with a cutting plane. At least one non-metallic flexible cutting line is affixed to the...     

An anti-tangle, feed correcting improvement for line handling in a filament trimmer circular cutting head of manual-feed, commercially available type having a slotted-rim-cup-shape and holding the spool or spools of filament with cutting length of filament emerging from the slot, includes an elongate...     

A line supply spool rotatably confined co-axially within a thin housing shell having a splined mounting on a polygonal arbor through which said housing shell is supported at the lower end of a manually supported engine powered handle while the shell is being spun at a high speed on a vertical axis, free...     

A grass trimmer includes a housing having a lower base wall from which extends a hub member of a predetermined height coupled to a motor encased in the housing, which motor drives the hub member rotatably. A cutting line element is attached to the hub member. A rim extends outwardly from the housing...     

A grass cutting attachment for an electrically powered handyman's drill is disclosed. A length of flexible filament extends radially from a body rotatable by the drill. The rotating filament end is able to cut both edges of lawn and expanses of lawn. A handle attachment which prevents stooping and bending...     

An elongate handle extends upwardly rearward from a frame which carries a forwardly extending boom. A motor carried by the frame rotatably drives a cutter head assembly at the free end of the boom. The frame is supported by a rearwardly located pair of wheels and a forward wheel assembly, the latter...     

An improved apparatus for cutting vegetation which is especially adapted to be employed with units having a top mounted gasoline motor interconnected by a drive tube to a lower rotating cutting head. An accessory handle is carried adjacent the motor. A housing carried on the lowermost drive tube encloses...     

An apparatus, such as an edger, trimmer or lawnmower, for cutting vegetation using a flexible non-metallic line member extending into a cutting plane from a rotating head (e.g., U.S. Pat. Nos. 3,708,967, 3,826,068; 3,859,776). At the user's signal during cutting, the line member is fed to a certain discrete...     

A flail-type mowing rotor, spinning about a horizontal axis transverse to its path of travel, has specially configured, swingable cutters that provide finish-cut quality notwithstanding design features that minimize the number of cutters required on the rotor, allow them to be fabricated from stamped,...     

A mowing machine which extends laterally of a tractor and is connected to the lifting device of a tractor which has a frame and two rotors driven through gearing from the power take-off of the tractor. Each rotor includes a hollow tube driven by gears in the frame which causes the rotor to rotate and...     

A cord-type mowing machine comprises a rotary head in the form of a housing containing a coil of nylon cord therein. An uncoiled end portion of the cord extends downwardly through the bottom of the housing and is fixedly secured to the housing on its underside and at a point between an axis of rotation...     

This invention is a device for attachment with a line trimmer to convert it to an edge trimmer. The device has a collar with support legs attached to it and wheels attached to the support legs. A U-shaped brace is attached between the support legs holding them at an angle to each other. The collar is...     

A drive and frame shaft assembly for a lawn trimming tool or the like, having a bent portion to dispose the tool end of the assembly at an angle to the head end thereof. A curved assembly of a frame shaft and sheath for a flexible drive shaft is formed by, first, assembling onto a straight rigid sheath...     

A lawn mower using flexible nonmetallic filaments as cutting elements is disclosed. The filaments are mounted on a plurality of rotatable mounting elements. Each of these mounting elements is rotatable about an axis which is slightly tilted with respect to the vertical. The axes of rotation of the mounting...     

A lawnmower using flexible non-metallic filaments as cutting elements is disclosed. In certain specific embodiments the lawnmower may include a stored supply of four lengths of such filament, the free ends of which protrude from a member driven about a nearly vertical axis. Means for metering out line...     

An apparatus for cutting vegetation has a rotating disc-like head with a drive connection on one face and a second face having a smooth surface. The head carries internally a spool mounted for independent rotation. A flexible, non-metallic cutting line is coiled about the spool and has a free end extending...     

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 the cutting plane without independent operator action. A mechanism in the head automatically feeds replacement...     

A portable, motor-operated cleaning device for removing leaves and other debris from rain gutters on buildings. An electric motor is pivotally mounted on the end of a telescoping rigid tubular handle with the electric cord for the motor extending along the interior of the handle to a switch mounted on...     

A rotary cutter head mounted on the end of a handle to power rotate at high speed one or more centrifugally whirled free ends of a reserve of nylon line wound on a spool co-axially pivotally mounted within the head. A co-axially spring biased indexer is subject to inertia applied through the handle while...     

A device (10) for metering discrete lengths of filament utilized in a flexible filament vegetation cutting device is disclosed. The line metering device (10) is preferably used in flexible filament lawn mowers. An electric motor (28) rotatively drives a drive shaft (32) about its axis. A driving mechanism,...     

A grass cutting apparatus including a belt-shaped cutter of the rectangular shape in cross section having a small thickness and pointed edges at its opposed short sides, the belt-shaped cutter being formed of a macromolecular compound and wound on a reel loosely fitted on a hub of a rotary casing.

An automatic development reel type cutter head for a filament trimmer comprises a circular base member having a circular array of post-like upstanding members and a filament coil disposed about selected of the post-like upstanding members and inside of the remaining post like members. The filament coil...     

In a filament type trimmer a filament is wound on a storage spool in a rotating housing and exits through an opening in a rim portion of the housing. When the extending portion of the filament is rotating freely, it extends approximately radially from the housing. However, when it hits a relatively stationary...     

A lawn trimmer comprises a housing fixed to a rotating shaft and containing a spool therein and a stub shaft threadedly received in the rotating shaft. A support member is provided for holding the spool against the housing and fixedly secured to said stub shaft. A ground engaging disc is rotatably mounted...     

Filament-type vegetation trimmer (10) having a rotating hollow output shaft (28) through which monofilament line (22) projecting beyond (56) the gyrator trimming end of the output shaft provides the cutting means to trim grass and weeds. A transverse bar (44) across the output shaft trimming end creates...     

A head for a rotary drive designed for trimming of vegetation. The head includes two circular plates coaxially arranged with pivotally mounted plastic blades positioned on pins between the plates. The blades are held outwardly by centrifugal force but are free to rotate to between the plates when contacting...     

An improved filament trimmer of the type in which a rotary drive means having a hollow filament feed shaft is frame mounted and has an improved slinger head attached to said hollow shaft with an arcuate bore therethrough in open communication with the hollow shaft for swinging the cutting filament line...     

An improved apparatus for cutting vegetation, comprising a motor and a rotating cutting head mounted at the ends of a support tube. One or more flexible non-metallic lines extend into a cutting plane from the cutting head. Unique first and second tubular handle members carrying cylindrical handgrips...     

Apparatus for trimming plants, which apparatus includes at least one handle and a rotating, powered trimming head, which trimming head includes at least one flexible, filament-type trimming element, especially a synthetic or plastic filament or thread end-section, extending beyond the periphery of the...     

In a filament type trimmer in which a filament is wound on a storage spool rotatably mounted in a rotating housing having a rim portion, the filament in passing from the spool to an exit opening in the rim portion of the housing extends through a flexible tubular guide which wraps approximately one turn...     

Apparatus for cutting vegetation with a rotatable head carrying a non-metallic cutting line extended into a cutting plane. A supply line coil is carried within the head. A mechanism in the head automatically feeds replacement line from the coil to constantly maintain a predetermined maximum length in...     

In a mowing machine having an engine for driving a rotary blade via a centrifugal clutch, a shaft and a reduction gear assembly, the outer diameter of the shaft is selected such that the torsional natural vibration frequency of the rotational system extending from the engine to the rotary blade is less...     

A self-propelled flail blade lawn mower comprising a support frame having forward and rearward ends, a handle assembly extending upwardly and rearwardly from said rearward end and a cutter housing extending forwardly of said forward end, a rear axle and wheel assembly rotatably supported substantially...     

A hollow and generally closed body 10 of a safety rotor fits on the motor shaft 12 of a rotary mower and replaces a conventional mower blade. The diameter of body 10 is from 0.5 to 0.9 times the width of the swath of the mower, and several strands 11 extend far enough outward from body 10 to cut to the...     

A cutting blade for brush and weed cutting machines and the like includes a unitary body with radially extending cutting arms molded from a durable high strength plastic material consisting of approximately 5% glass fiber embodied in nylon.

Disclosed herein is a filament mower comprising a housing including a generally horizontal top deck and a depending wall extending downwardly from the top deck and including an arcuate portion and a side wall portion, which arcuate portion has a generally common radius extending from a common center,...     

An apparatus for cutting vegetation wherein at least one line member protrudes exteriorly of the sidewall of a housing which is rotatable about a rotating axis. The line member is a tape and is wound upon a spool, which is mounted within the housing so that the width, which is greater than the thickness,...     

A device for storing and automatically metering monofilament line for a filament weed cutter comprising a spool having a hub and opposing flanges for holding a supply coil of the filament; and a support member having a top flange, a core for receiving the spool, and retaining members disposed radially...     

A grapevine suckering tool uses a rotor 10 having sucker flails 11 to remove suckers from the bases of a row of grapevines 12. The axis of rotor 10 is arranged within acute vertical and horizontal angles from the direction of the grapevine row. Sucker flails 11 are flexible straps each mounted on rotor...     

A string trimmer having a handle, frame, motor and head. The head includes a housing formed by a cover and a base which contains a coiled supply of trimming line. The lower housing member has a central opening and a radial passage for the trimming line so that the trimming line can be fed from the storage...     

Lawn mower (2) includes a housing (4) having at least one cutting chamber (22 or 24) in which a flexible line cutting element (8) is rotated by a motor (76). Sails (80) located on cutting element (8) are configured to generate an air flow in the cutting chamber (20 or 22). This air flow is directed to...     

A lawn trimmer has a tubular shaft assembly which structurally and drivingly connects an upper power head to a lower rotary tool head in a lawn-trimming tool. The assembly includes a bent portion to dispose its opposite ends at an angle to each other, and comprises an outer frame shaft of relatively...     

A filament type vegetation trimmer having slinger head for rotating a portion of the filament in a radial plane is provided with a filament support tube for supporting the filament in the radial plane, the filament support tube being provided with apparatus which coact with apparatus provided in the...     

An apparatus for cutting vegetation with a rotating head carrying a flexible, non-metallic cutting line extended radially into a cutting plane. An additional length of line is extended into the cutting plane automatically during rotation of the head as its speed increases from a first magnitude to a...     

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 the cutting plane without independent operator action. A mechanism in the head automatically feeds replacement...     

A bagging filament line lawn mower (2) has a filament line cutting element (8). A fan (60) located in a cutting chamber (26) in the housing (4) of mower (2) is shielded by an outer shroud wall (68). Shroud wall (68) and fan (60) are configured to create an airflow in the cutting chamber (26) over that...     

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 the cutting plane without independent operator action. A mechanism in the head automatically feeds replacement...     

Apparatus for cutting vegetation with a rotatable head carrying a non-metallic cutting line extended into a cutting plane. A supply line coil is carried within the head. A mechanism in the head automatically feeds replacement line from the coil to constantly maintain a predetermined maximum length in...     

A filament type vegetation trimmer having a rotating hollow output shaft through which monofilament line projects beyond the gyrator trimming end providing cutting means to trim grass and weeds. A gyrator head is attached to the trimming end of the shaft and is provided with a bell-shaped opening therein...     

A rotary lawn mower (2) has a rigid cutting blade (6) rotatable in a housing (4). A filament holder (12) is releasably attached to blade (6) through aperture (16) by mounting means consisting of tab (22), neck (24), and collar (26). Filament holder (12) releasably contains a filament (14) which extends...     

A lawn mower having a plurality of rotors with whip rotary blades arranged under a housing around a shaft, each having a guard over it adapted to be pulled up so that the whip blade can trim edges around trees and next to buildings.

A rotary-type lawnmower having unique non-metallic cutting elements carried on a rotating disc-like head with a smooth rim and lower exposed surface without significant projections or recesses capable of inflicting injury to human parts. The lawnmower produces a smooth and even cut equal to rotary metal-blade...     

A spoolless string trimmer head having a housing formed by a cover and a base which contains a coiled supply of trimming line. The lower housing member has a central opening and a radial passage for the trimming line so that the trimming line can be fed from the storage coil through the central opening...     

A bump-feed monofilament string trimmer has a sleeve-like escapement member (52) axially slidable on a drive member (42) and nested in a spool member (66) which holds a coil (71) of cutting filament. Axially downwardly extending fingers (84) of the escapement member (52) engage in window-like slots (92)...     

A line metering apparatus (20) for use on a vegetation cutting device (22) includes a driving portion (40) and a driven portion (42). A pivotable pawl (58) selectively couples the driving and driven portions (40) and (42). Whenever the motor (28) is de-energized by turning it off, the driven portion...     

A drive shaft assembly for connecting a drive unit to a rotary tool is disclosed. The drive shaft assembly is especially well suited for use in combination with a rotary tool having an axis of rotation at an angle with respect to the axis of the drive unit. The rotary tool and drive unit are supported...     

A lawn which includes a mower housing carrying a motor and including plural shafts carrying donut-like members with cutters attached thereto. The deck includes a forward portion have a protective skirt, a portion of which extends at approximately 45.degree. to the ground.

The subject invention is a lawn mower blade hub member adapted for interconnecting a plurality of flexible blades, all affixed and disposed in a radial fashion from the centrally disposed hub member, which hub member is then mounted for concentric rotation on the lawn mower engine drive shaft; and wherein...     

An apparatus for cutting vegetation with a rotating head carrying a flexible, non-metallic cutting line extended radially into a cutting plane. An additional length of line is extended into the cutting plane by stopping and starting rotation of the head. A laterally displaced cam within the head moves...