Abstract: A cutting head for a rotary trimmer has a rotating body from which several flexible cord-like filament cutting blades or flails extend radially so that additional flail length can be fed from the device by merely bumping the rotating body on the ground. The improvement includes a plurality of truncated, bell-shaped configured tangs which extend into a serpentinous cam slot. Bumping of the device on the ground causes the tangs to move from stable positions to other stable positions allowing relative movement between the outer case of the trimmer and a spool of flail therein so that a predetermined length of flail is fed out through the case.

Abstract: Supply stock and process for producing the supply stock for a saw member that comprises at least a carrier part made of one material and at least a blade part made from a different material. The process comprises welding the carrier part to the blade part to form the supply stock having a thickness defined by a first and a second surface, forming a welding bead in an area where the carrier part is welded to the blade part, the welding bead having a projecting portion which projects beyond at least one of the first and the second surface, and removing material from at least a portion of at least one of the first and the second surface.

Abstract: A cutter for cutting cable, such as fiber optic cable, and a method of using same is provided. The cutter includes a pair of opposite members that are joined together at a joint such that the opposite members move in conjunction with each other. Each member has a handle on one side of the joint and a cutting blade on the opposite side of the joint. When the handles are forced together, the cutting blades are also forced together. The cutter also includes a clamping mechanism. The clamping mechanism is used to clamp the fiber optic cable on either side of the cutting blades such that the strength reinforcement strands of the fiber optic cable will be placed in tension, prior to the cutting of the strength reinforcement strands within the fiber optic cable, thereby ensuring a clean cut by the cutting blades.

Abstract: An improved cutter knife and particularly to a cutter knife allowing positive and inverse gripping when in use consists of an upper shell and a lower shell that are coupled to form a body. The body has one end forming a handgrip conforming to ergonomics to allow positive and inverse gripping. The handgrip has a blade anchor section and a blade fast change section on one end to allow positive or inverse gripping and fast replacement of the blade. The positive gripping may be used for ordinary cutting such as for paper or cloths. The inverse gripping may be used for heavy duty cutting with a greater force such as for cardboard or wooden laminates. Thus it provide dual functions and may be used conveniently to overcome the limitation of conventional cutter knives that allow only positive gripping.

Abstract: A cutting tool having first and second lever arms with a cutting end and a handle end. A first insert and a second insert are connected to the cutting ends of each of the lever arms. The inserts are removable from the cutting ends of the lever arms, and each of the inserts include multiple cutting edges. When the inserts are connected to the cutting ends of the lever arms and the user pulls the handle ends towards each other, the cutting ends also move toward each other. As the cutting ends move toward each other, the inserts act cooperatively to sever materials located therebetween. When one of the cutting edges of an insert becomes dulled or damaged, the user removes the insert from the cutting end of the lever arm and repositions the insert on the cutting end such that a different cutting edge is revealed for severing materials.

Abstract: A shaver apparatus including a handle, a head connected to the head, a first blade connected to the head and extending transverse to the handle, a second blade connected to the head in parallel relationship to the first blade, and a third blade connected to the head in parallel relationship to the second blade. The third blade extends perpendicular to the head. The first and second blades extend at an acute angle relative a the plane of the head. A spring is connected to each of the blades so as to urge the blades to a desired angle. A spring is also connected to the head and to the handle so as to urge the head to a desired angle with respect to the handle. The head is adjustably angularly connected to the handle.

Abstract: Shaving apparatus having at least one pivotable cutting unit (3) comprising an external cutting member (4) and an internal cutting member (6) which is drivable relative to said external cutting member, a drive mechanism (8) for driving said internal cutting member (6) into rotation, and a coupling member (18) having a coupling head (19) and a coupling body (20), which coupling head can be coupled to a coupling element (16) of the internal cutting member (6) in a detachable manner, said coupling body (20) being coupled to said driving mechanism (8). The coupling head (19) can be inserted into a cavity (21) of the coupling head (19). For driving said internal cutting member into rotation, the coupling head (19) comprises curved surfaces (25) for cooperation with surfaces (28) of said cavity (21).

Abstract: The invention is directed to a guide bar for a motor-driven chain saw (1) and includes a longitudinally extending flat base body (2) having a peripherally extending guide groove (3) for guiding a saw chain (4). In the region of the direction-changing section (12) of the guide bar (13), the saw chain (4) is partially laterally covered by guide discs (14, 14′), which rotate along with the idler sprocket (16). The guide discs (14, 14′) include radially projecting sections (18) whose number is identical with the number of the teeth (17) of the idler sprocket (16). The tendency to kickback of the motor-driven chain saw is reduced with these constructive measures.

Abstract: In accordance with the present invention a fat skimming ladle that is efficient and convenient to use for removal of fat and other floating debris off of cooked soup stock. This special purpose ladle retains the simple elegant look of a common soup ladle, and can just as convenient to be used. The conduit structure with inlet located at the interior bottom of the ladle bowl and outlet located behind the proximal end of the handle allows for a simple, elegant and greatly functional design.

Abstract: A hand held rotary blade saw with a motor, rotary saw blade, driving connection between the motor and the blade, two pivotable forward blade guards with top and bottom hand manipulable pivot members for exposing either a left or right blade sector for cutting, or an upward or downward blade sector when the blade is vertically oriented by twisting the wrist. The switch is operable by the thumb or the finger, such that left and right handed users have operational parity regardless of blade orientation, which hand is holding the saw, or whether the thumb or finger is operating the switch. Parallel receding blade guard edges form a forward notch enabling forward cutting. The blade is interchangeable and a carrying case, belt holster attachment, and special battery charger are provided. The battery charger charges the battery while the battery is in the saw or when it is removed.

Abstract: A tool guard attachment for a rotary hand tool of the type which has a housing with a nose portion from which an output shaft protrudes and which typically has a mechanism for holding tool bits or implements is disclosed. The tool guard attachment, which mounts to the nose portion of the rotary hand tool, has a guard housing with an enlarged guard portion at the outer end thereof which provides a shield or guard for a flat circular tool implement that is mounted on an arbor shaft assembly that in turn is connected by a U-joint to a drive shaft assembly at an acute angle relative to the arbor shaft assembly. The drive shaft assembly engages a driver nut or the like that is mounted to the output shaft of the rotary hand tool. The angle between the drive shaft and the arbor shaft is offset about 10 to 30° so that the rotary hand tool itself does not interfere with the cutting blade engaging a work surface at a perpendicular angle during operation.

Abstract: Drive shaft of a plant cutter apparatus includes an elongate main shaft portion made of a titanium alloy, and end shaft portions made of steel and integrally joined to the opposite ends of the main shaft portion. The titanium alloy has substantially the same mechanical strengths as the steel. Therefore, the titanium-alloy-made main shaft portion can secure rigidity that is normally required of the plant cutter's drive shaft, and can also reduce the weight of the drive shaft to thereby minimize unwanted sagging-induced vibrations of the drive shaft caused by the shaft's own weight.

Abstract: A method and apparatus for a blade clamping mechanism in a woodworking plane that allows a plane iron as wide as the plane body itself to be clamped in a wedge shaped slot in the plane body. The slot begins at a point tangent to a waste ejection hole proximate a front area of the plane running diagonally towards the spine of the plane body before looping back short of the spine to return diagonally through the sole forming the mouth together with the waste hole. The loop forms the widest point of the slot, while the tangent forms the narrowest point of the slot. The rear surface of the slot serves as the ramp for the plane iron. The plane iron is clamped by a floating pin mounted in a hole drilled longitudinally through the spine, perpendicular to the ramp, and terminating at an inspection hole. The floating pin is retained between the under side of the plane iron and a conical shaped point of a screw threaded from a back of the plane body diagonally to the floating pin.

Abstract: A cutting tool having a blade and a member which is biassed toward a safety position, in which the member forms a guard for the blade, but which may be displaced for exposing the blade by bringing the tool into cutting contact with a workpiece. The cutting tool includes a locking mechanism having a trigger which must be moved from a first position to a second position to release the guard member from its safety position and which is arranged, so that each time the guard member is released from its safety position, it is displaced through a predetermined distance and then returns to its safety position. The guard member will become locked in place regardless of the position of the trigger.

Abstract: A folding cutting tool which includes a handle having gripping depressions and a plurality of cutting blades. The blades are rotably connected to the ends of the handle to allow them to be folded into the handle or extend from the handle during operation of the tool. At least one blade has at least one depression that aligns with a depression on the handle. Alternatively, the blades of the tool may fold far enough into the handle to not interfere with the depressions in the handle. The depressions allow for the user to adequately grip the handle to perform a cutting operation.

Abstract: A scraper includes a primary jaw having a first top edge, and a secondary jaw having a second top edge and a bottom tail. The top edges of the jaws are normally opposite to each other. The secondary jaw is connected to the primary jaw between the second top edge and the bottom tail in a relationship of being movable and slightly rotatable with respect to the primary jaw. A wheel screw is threaded engaged with the primary jaw and adapted to move the bottom tail of the secondary jaw away from the primary jaw. Therefore, a blade may be held tightly between the top edges of the jaws when the wheel screw is tightened.

Abstract: A heated candle-cutting device for cutting candles in order to extend the use of the candle. The heated candle-cutting device includes an elongated handle that is grasped by a hand of a user. An elongated blade is mounted on the handle for cutting a portion of a candle. A heating element is mounted in the blade for heating the blade making cutting the candle easier. A power source is coupled to the heating element for selectively providing power to the heating element. A switch is mounted to the handle for selectively controlling the power source to the heating element.

Abstract: A rotary-type earth-boring drag bit with cutters oriented at varied rake angles and methods for designing such drag bits. Specifically, cutters that are located sequentially adjacent radial distances from a longitudinal axis of the drill bit have cutting faces that are oriented at rake angles that differ from one another. These cutters may be located on the same blade of the drag bit or on different blades of the drag bit. The rake angles at which the cutting faces of these cutters are oriented may be based, at least in part, on the relative radial distances these cutters are spaced from the longitudinal axis of the drag bit, on the vertical positions of these cutters along the longitudinal axis of the drag bit, or in response to actual or simulated evaluations of the use of the drag bit to drill a subterranean formation.

Abstract: A single rotary blade grooming trimmer for sculpting and trimming eyebrows in an attractive arched shape. The single rotary blade grooming trimmer includes a housing with a generally L-shaped configuration having upper and lower ends, and upper and lower portions. The upper end of the housing has a rotatable shaft extending therethrough. A plurality of rotary cutting blades outwardly radiate from the rotatable shaft adjacent an outer end of the rotatable shaft. A motor for rotating the rotatably shaft is disposed the housing. A protective cover substantially covers the cutting blades. The protective cover has a plurality of spaced apart radial slots therethrough with each radial slot comprising a pair of elongate portions preferably of equal lengths. A first of the elongate portions of each slot is located on an outer face of the protective cover and a second of the elongate portions of each radial slot is located on a perimeter side wall of the protective cover.

Abstract: Trimmer head (10; 20) comprising at least two sections (11, 12; 21, 22) that creates a casing surrounding one or more bobbins and related cutting filaments. The cutting filament or filaments are lead through the casing via openings (17) placed at different heights in the casing so that the cutting height is adjustable. In order to facilitate loading of cutting filament so that the selected cutting height is achieved is a groove (18) extending from the edge of the section of the trimmer head that is provided with openings to the openings. The operator uses the groove (18) for placing the cutting filament into the selected opening (17).