Matches 251 - 300 out of 410 < 1 2 3 4 5 6 7 8 9 >


Match Document Document Title
4800650 Annular circular saw blade  
The invention relates to an annular circular saw blade (8) with imaginary center axis and with a plane of symmetry (19) which is perpendicular to the imaginary center axis, an inner rim section...
4794836 Honeycomb core cutting tool  
The invention is a honeycomb core cutting tool wherein a primary cutter is used to cut the core to shape and secondary cutters are used to immediately shred that portion of the core being removed....
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...
4793065 Circular saw with annular saw blade  
In an annular saw force-exerting mechanism (56, 57) is provided so as to act on flange-equipped support rollers (40, 41) for the saw blade (8). The support rollers have at least one flange (44)...
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...
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...
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...
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...
4738028 Pizza cutter  
According to the invention, a pizza cutting device is provided comprising an elongate handle, a cutting wheel with a peripheral cutting edge and a hub having a bore with a central axis and...
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...
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...
4733472 Can opener blade  
This invention provides a can opener blade wherein the two primary sides forming the bevelled cutting edge have a certain angular relationship with the centerline of said blade; the blade of this...
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...
4706446 Lawn mower  
A lawn mower having a housing and a cutter unit positioned below the housing. The cutter unit comprises an upper rotating cutting unit and a lower stationary cutting unit that is concentric with...
4702005 Apparatus for cutting vegetation with incremental feeding of cutting filament  
A vegetation cutting apparatus of the filament type comprising a cutter head including a spindle adapted to be rotatably driven, a keyway in the spindle extending axially of the spindle, and a key...
4689883 Pipe cutting device  
An apparatus for simultaneously cutting and beveling plastic pipe such as water or sewer pipe is described. This apparatus includes a rotatable cutting head on which inclined and protruding...
4667410 Cutting head for a filament-type cutter  
In a cutting head for an electric-motor-driven filament-type cutter the automatic adjustment of the length of the filament is effected in that intermittently a rotational movement occurs between a...
4651421 Cutterhead for a vegetation cutter  
A cutterhead is disclosed for a motor-driven vegetation cutter and has a rotating housing and a spool journalled therein on which a cutting filament is wound. The spool has a plurality of cams,...
4651422 Line guard for a line cutting type weed trimmer  
A guard for a grass and weed trimmer of the line-cutting type, the guard having a body attached to a handle. A rotatable head mounted to said handle flailing the line in a plane of rotation around...
4644655 Cutting head for lawn trimmer  
A cutting head for a lawn trimmer is provided and consists of a cylindrical housing block bolted to a lower portion of the lawn trimmer so that the housing block is rotatably mounted thereto. A...
4631828 Cutting means for rotary trimmer  
An improved cutting member for a rotary trimmer. The cutting member is formed of a flat link chain, so the cutting member is flexible throughout its length. Alternate links are somewhat wider, and...
4630371 Line trimmer shield  
A radially short upstanding sleeve member is provided and includes an upper end releasably mounted from a rounded base portion of a sector-shaped debris shield of a line trimmer. The lower end of...
4628672 Rotary cutter  
Disclosed is an improved cutter that finds principal utility in, but is not limited to, lawn mowers of the type in which a cutter blade is rotated about an upright axis by a power source such as...
4615119 Blade for a vibratory cutter  
A blade for a vibratory cutter having a plurality of serrated teeth. A plurality of first teeth provided on one side of the center line of the blade are angled in one direction, and a plurality of...
4607431 Line-type foliage trimmer with automatic feed  
A foliage trimmer has a housing centered on an axis, rotatable thereabout in a direction, and formed with a radially open eye. A spool rotatable in the housing carries a supply of a cutting line...
4603478 Trimmer with adjustable handle  
A trimmer having a pivotally adjustable handle tube for selectively changing the cutting angle of a trimming cord with respect to the handle tube, thereby permitting the trimming of grass, brush,...
4586257 Releasable blade, blade holder and blade-holder combination  
A holder for releasably securing an elongated bar, e.g. a cutting blade, to a drive-means comprises: (a) a holder body adapted to be connected to the drive means and having a substantially flat...
4584771 Line metering apparatus  
Cutting filament metering apparatus for a flexible filament vegetation cutting device in which a flexible filament cutting element is coiled on a filament holder rotatably driven about a...
4571831 Cutting head for filament trimmer  
A cutting head (20) for a filament trimmer utilizing a fixed length of filament is shaped like an inverted bowl with a flange (2). A filament retainer cup (60) is attached to the concavity of head...
4569134 Trimming cord for cutter  
This invention relates to a trimming cord for a cutter which cuts weeds or the like. In accordance with the invention, rotary discs provided on the output shaft of gearing are shaped like a reel...
4551918 Honeycomb core cutting tool and method of using  
A set of two cutting units are located on the end of a tool to be rotated. The cutting units are radially aligned and on a bevel. Each blade on each cutting unit has a radial rake of at least 60...
4532708 Rotary lawn mower blade  
A rotary lawn mower blade made of a plurality of relatively small cutter segments of greater hardness arranged in series end to end along the leading edges of both ends of an elongated metal...
4527382 Mowing rotary sawtoothed cutter  
A mowing rotary sawtoothed cutter adapted to be attached to a mower for mowing or cutting grass, shrubs or trees, which comprises a thin disk having a central hole, and a suitable number of...
4520567 Power pierce can opener  
An electric powered can opener has a housing, a feed gear that is motor connected and rotatably mounted to drive and rotate a can by holding it by its rim. An operating lever is pivoted above the...
4510689 Side trimmer knife  
A side trimmer knife having a cylindrical body with a pair of exposed faces and a cutting edge at the periphery of at least one face, with the body being defined by a pair of juxtaposed...
4502219 Folding throwing knife  
A foldable throwing knife having a plurality of blades pivotally connected together for movement between a folded stored position in which the blades are in overlaying stacked relationship, and an...
4498512 Lumber saw-sizing tool  
The invention comprises an attachment for a portable hand-tool for the dressing of lumber to obtain roughened or saw-sized surfaces. The attachment comprises a circular disk having a hub to attach...
4490910 Cutting head for string trimmer  
An improved cutting head for a string trimmer, wherein a spool holding a length of flexible line is located on and driven by a motor drive shaft, and a housing over the spool is located on the...
4475287 Filament line retaining member  
An improved vegetation cutting device (2) comprises a rotatable cutting head (4) having a radially outwardly extending cutting line (14). Cutting line (14) extends through an exit aperture (12) in...
4472880 Annular saw blade and annular saw  
In an annular saw, that is to say a circular saw with an annular saw blade, the saw blade is adapted to rotate about an imaginary center axis by being driven via a drive shaft which is parallel to...
4463907 Cutter wheel for brush chipper  
A cutter wheel for a brush chipper or the like has a support plate generally centered on, extending perpendicular to, and rotatable in a predetermined rotational sense about a central support...
4461296 Surgical saw blade  
A saw blade is adapted for attachment to a power operated surgical saw having a blade element with teeth disposed along at least a portion of the periphery of same to define a cutting surface and...
4461138 Hub for flexible cutting blades  
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...
4458419 Simplified flail feedout mechanism for a rotary mower  
A convenience improvement for rotary mowers, trimmers and edgers of vegetation that have a rotating body from which one or more flexible cord-like filamentous cutting blades or flails extend...
4445315 Disposable cutting edge  
A disposable cutting edge to be installed upon a lawn mower rotor and an audible tone generator to warn the operator when the disposable cutting edge is not properly installed. A disposable...
4426780 Line metering apparatus  
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...
4406065 Cutting head for a free-cutting device  
A cutting head, especially grass cutting head for a free-cutting device having a main body which essentially comprises two discs spaced axially from each other and rigidly connected with each...
4368610 Serrated blade for a mowing machine  
A serrated blade to be mounted on a mowing machine has a plurality of fingers arranged at regular intervals along the circumference of an imaginary circle and a plurality of sawteeth are provided...
4356686 Cutting mechanism for a grass cutting machine  
A machine for cutting grass and the like having a flexible strip-like cutting member supported by a disc within a housing. The strip-like member is mounted vertically and the housing has a slope...
4349962 Cutting down machine  
Line trimmer apparatus for cutting down weeds or the like, incorporating a device for selectably extending a predetermined length of cutting line or tape while the apparatus is operating. The tape...

Matches 251 - 300 out of 410 < 1 2 3 4 5 6 7 8 9 >