Abstract: The present invention relates to a tool (10) for machining a workpiece, comprising a cutting head (12) which comprises a sleeve (16) and a cutting element (18) which is fixed to the sleeve (16), and comprising a holder (14) to which the cutting head (12) can be detachably fixed. In an assembled state of the tool (10), the cutting head (12) and holder (14) are screwed to each other via an internal thread (40) which is arranged in the sleeve (16) and an external thread (42) which corresponds thereto and which is arranged on the holder (14).

Abstract: An adapter for aiding in the installation of a fastener assembly includes a body defining a first aperture formed in a first end thereof and configured to receive at least a portion of the fastener assembly. The first aperture is defined by at least one tapered sidewall of the body, wherein the first aperture is sized in a region or area of the at least one tapered sidewall to engage with a component of the fastener assembly when the fastener assembly is received therein. The body further defines a drive surface within the first aperture for engaging with a corresponding drive surface of a component of the fastener assembly when the fastener assembly is received within the first aperture. A second aperture is defined in a second end of the body, opposite the first end, and is configured to engage with a tool for installing the fastener assembly.

Abstract: A knife 10 includes a blade 12 and an integral hollow tang 17 configured to accommodate items therein. At least one rib 25, 26 projects outwardly from at least part of the hollow tang 17 and extends axially at least part way along the tang 17. One or more separately formed handle components 30 is mounted on the tang 17 and connected to the at least one rib 25, 26.

Abstract: A drill string and a threaded coupling region for a drill string include threaded male and female ends that are optimized to maximize energy transmission efficiency for percussion drilling. The coupling includes a male spigot to be received within a female sleeve, such that an axial length of the overlap of the spigot within the sleeve is less than an outside diameter of the sleeve.

Abstract: A tool system having a hand-held machine tool including a tool holder for receiving an insert tool; and a mounting interface configured for mounting thereon: an angle attachment that includes an angle locking section for locking on the mounting interface and an angle drive unit; and an eccentric attachment that includes an eccentric locking section for locking on the mounting interface and an eccentric drive unit.

Abstract: The present invention features an anti-rotation instrument system which could be used in all health professions including medical, dental, and any other specialties. The system includes an anti-rotation instrument device featuring a main handle, a first removable hand grip and a first instrumental tip. The first removable hand grip is attached to a first female screw cavity located on the main handle. One end of the instrumental tip passes through a channel located within first hand grip with an anti-rotation key located on the instrumental tip securely residing within a dent located on a distal end of the first removable hand grip having threading located on an end of the instrumental tip that is subsequently screwed into a first female screw cavity of the main handle such that the first hand grip is tightly sandwiched between the first instrumental tip and main body.

Abstract: A tool arrangement with a screw-in tool and a tool receiver, the screw-in tool having a thread for engagement in a counter thread on the tool receiver. The counter thread and the thread have different thread contours and therefore, in the screwed condition, these adapt to one another by elastic deformation.

Abstract: Disclosed is an improved fishing rod adapted to increase the durability of the fishing rod and fishing line and to improve casting distance and accuracy. The fishing rod comprises an elongated cylindrical rod blank having a working end and a terminal end, wherein the working end is attached to a handle. The rod blank further comprises a plurality of fishing line guides disposed in a gradual spiral configuration along the length of the rod blank. The fishing line guides are adapted to receive a fishing line therethrough. The guides are also low profile so as to minimize snagging. When in use, the fishing line wraps around the rod blank, thereby evenly distributing the weight of the fishing line around the rod. In this way, the present invention eliminates line memory and increases the tensile strength of the rod blank and the fishing line.

Abstract: A stripped spark plug extraction tool device removes stripped spark plugs from an engine. The device includes a tubular member. A tubular member socket extends into a bottom end of the tubular member and is defined by a plurality of faces extending into the bottom end of the tubular member. A plurality of extensions extends from the faces of the tubular member socket inwardly toward a center of the tubular member socket. The extensions are configured for engaging a perimeter edge of a stripped portion of a spark plug to extract the stripped spark plug from an engine. A housing has a top face, a bottom face and a peripheral wall extending between the top face and the bottom face. The peripheral wall comprises a plurality of planar faces wherein an outer surface of the peripheral wall of the housing is configured to be engaged and rotated by a wrench.

Abstract: An industrial long handled tool component system is provided having interchangeable tool heads, connectors, handles and grips. The novel connector system provides a tool head connected to a receiver comprised of a polygonal locking bar concentric with a round outer reinforcing collar for engaging a connector and separated by plastic isolations seals. The novel connector promotes connection integrity and prevents joint movement. An alternate embodiment provides a connector system and method of stamping and shaping a tool head integrally formed with a receiver.

Abstract: A bone fixation assembly for securing a fixation device such as a bone plate, to bone includes a fixation device, including at least a through hole with isolated protrusions (such as pegs or spikes); and locking bone engaging members such as screws. The screw has a shank with a thread for engaging bone and a partial sphere head with a thread configured and dimensioned to match with the isolated protrusions of the hourglass shaped through holes of the bone plate. The bone plate has a through hole shaped like an hourglass which diameter matches that of the screw spherical head and is provided with multiple isolated protrusions. In use, the screw is threaded into the bone, through the hole of the bone plate at a selected angle. The partial sphere head of the screw engages in the protrusions of the plate hole resulting in the strong locking of the screw at the selected orientation within the through hole in just one single surgical action.

Abstract: An industrial long handled tool component system is provided having interchangeable tool heads, connectors, handles and grips. The novel connector system provides a polygonal locking bar concentric with a round outer reinforcing collar both engaged by a material connector insert and separated by plastic isolations seals. The novel connector promotes connection integrity and prevents joint movement. An alternate embodiment provides a connector system without the collar to save weight and manufacturing cost.

Abstract: The clamping system for clamping a shank, for example a tool shank, into a seat has a spiral-shaped circumferential groove arranged in the wall of the seating hole and a clamping wedge which is provided with corresponding spiral-shaped ribs and is insertable into a recess on the shank.

Abstract: The description comprises a chuck for clamping a ball-nose milling cutter, comprising: a worm gear unit with a worm gear 111 and a screw 113, wherein the chuck comprises a sleeve 103 with a first inside thread 118, wherein the sleeve 103 is axially movable by a rotational motion of the worm gear 111, wherein a first outside thread 105 of the ball-nose mill cutter is arranged so as to engage with the first inside thread 118.

Abstract: An axially adjustable tool holder, having a principal body (1)with attachment, in a recess (2) of which is slidably mounted a mobile part (3) for mounting a tool (4). The mobile part (3) cooperates with a ring for transverse adjustment (5), mounted in rotation on the extremity of the principal body (1)with the recess (2) and secured transversely to said extremity, by a ball bearing device (8), in the form of a sleeve with an interior thread (5?). The ball bearing device (8) presenting axial play of the ring for transverse adjustment (5), when the mobile part (3) is tightened, application of the proximal face (51) of the adjustment ring (5)against a corresponding distal external supporting flange (1?) of the principal body (1). The mobile part (3) being locked in working position, after adjustment, by a device for tightening (6) by traction cooperating with a part (7) of the mobile part (3).

Abstract: A clamping tool includes a holder, a connector and a tool. The holder has a rearwardly tapering bore and a holder thread having a first pitch. The connector has a cylindrical shape and a connector through bore. The connector further has a first connector thread having a pitch similar to the first pitch, and a second connector thread having a second pitch that is different from the first pitch. The tool has a rearwardly tapering rear portion and a tool thread having a pitch similar to the second pitch. In an assembled position, the rearwardly tapering rear portion of the tool abuts the rearwardly tapering bore of the holder, the holder thread is threadingly engaged with the first connector thread, and the tool thread is threadingly engaged with the second connector thread.

Abstract: An apparatus for adapting a workpiece holding device to a chuck of a machine tool includes a plurality of chuck locators configured for attachment to the chuck, such that the plurality of chuck locators includes at least three chuck locators. The apparatus further includes a mounting plate configured for attachment to the workpiece holding device. The mounting plate includes a body and a plurality of mounting plate locators corresponding to the plurality of chuck locators, such that the plurality of mounting plate locators are attached to the body and are configured to interface with the plurality of chuck locators.

Abstract: A device for attaching a ring-shaped milling tool carrier (10) by means of a threaded connection to the machine receiver (11) is disclosed.

Abstract: A chuck assembly, an assembly for an earth-boring drill assembly, and a method of manufacturing a chuck assembly. In the assembly, a first portion of the chuck bore may have a minimum inner diameter greater than the chuck spline maximum inner diameter. A support ring recess may be defined in the bore axially between the chuck splines and the first end. A support ring may be positionable in the support ring recess, and the support ring, when positioned in the support ring recess, may have a support ring inner diameter less than the minimum inner diameter of the first portion of the bore. The drive pin may be positionable circumferentially between one of the chuck splines and an associated one of the bit splines and have an axial end surface at least partially engageable with the support ring to limit axial movement of the drive pin toward the first end.

Abstract: A cutting tool has a cutting head which is removably secured to an adaptor of a tool holder. Upon replacement of the cutting head the adaptor remains fixed in the tool holder. In addition to the adaptor, the cutting tool includes a shank in which the adaptor may be retained, and a retaining element configured to form a sub-assembly with the adaptor without being threadingly engaged thereto. The retaining element is positioned and configured to limit rotation of the adaptor about a longitudinal axis of the tool.

Abstract: A bit holder includes a shank, and a bit sleeve. The shank has a first end portion of a non-circular geometric equiangular cross-section for combining a hand tool, and a second end portion formed with a combining hole having female threads in its wall. The bit sleeve has a through hole for a bit to extend therein, male threads and a circular circumference. The bit sleeve is combined with the shank by engagement of the male threads with the female threads, and the bit sleeve may be rotated to fix with or loosen from the shank by an auxiliary tool for changing the bit. In assembling, the bit is inserted through the through hole of the bit sleeve, and then the male threads of the bit sleeve are engaged with the female threads of the shank by an auxiliary tool fitted with the circular circumference and rotated to keep the bit combined with the shank, with the bit sleeve pressing the bit so as to minimize the tolerance of the gap between them, thus enabling the bit to drive a screw smoothly into an object.

Abstract: A clamping tool includes a holder, a connector and a tool. The holder has a rearwardly tapering bore and a holder thread having a first pitch. The connector has a cylindrical shape and a connector through bore. The connector further has a first connector thread having a pitch similar to the first pitch, and a second connector thread having a second pitch that is different from the first pitch. The tool has a rearwardly tapering rear portion and a tool thread having a pitch similar to the second pitch. In an assembled position, the rearwardly tapering rear portion of the tool abuts the rearwardly tapering bore of the holder, the holder thread is threadingly engaged with the first connector thread, and the tool thread is threadingly engaged with the second connector thread.

Abstract: A tool connecting device includes a mandrel having a non-circular engaging hole for receiving a tool member, and having an outer peripheral recess for forming a peripheral shoulder, and a sleeve slidably engaged onto the mandrel and having a retaining ring frictionally engaged in the sleeve for slidably engaging with the peripheral recess of the mandrel and for limiting the sleeve to slide relative to the mandrel, the retaining ring is engageable with the peripheral shoulder of the mandrel for preventing the sleeve from being disengaged from the mandrel, and the tool member is extendible out of the sleeve for engaging with a fastener. The sleeve may limit the tool member to extend out of the sleeve.

Abstract: The present invention provides an improvement (20) in a Davenport® automatic screw machine having a stationary spindle. The improvement broadly includes a quick-change mechanism (26) associated with the stationary spindle (22). The mechanism includes mating frusto-conical first and second surfaces (28, 31) on the spindle and tool holder, and a multi-lead threaded connection (32) between the tool holder and stationary spindle such that the tool holder may be quickly locked into mating engagement with the stationary spindle by relative rotation therebetween through a short angular distance. The invention may also include an adjustment mechanism (33) that allows the axis (x2—x2) of the tool to be aligned with the axis (x1—x1) of a spaced rotatable spindle. This adjustment mechanism includes a base member (34), an adjustment member (35), and a locking mechanism (37) for selectively holding the adjustment member in the desired position relative to the base member.

Abstract: Rotatable tool coupled to support body, and drive shaft detachably mounted to rotatable tool, such that rotatable tool is drivable in a working direction, in which support body includes an inlet opening defined by at least three eccentric segments and drive shaft includes an immersion area structured and arranged for insertion into the central inlet opening. Immersion area includes at least three longitudinal ribs arranged to project radially outwardly and symmetrically distributed on a circumference of the immersion area, and longitudinal ribs include thread-cutting segments. After inserting immersion area into cylindrical inlet, longitudinal ribs are rotated relative to the support body, whereby thread-cutting segments at least partially cut threads into the at least three eccentric segments to couple drive shaft to support body. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Abstract: A chipping hammer for removing oxidation and slag from a welding bead, usually an arc welding bead, wherein the hammer includes a long lasting narrow replaceable chipping point economically formed by a hardened nail. Easily operated attachment means removably maintain the point on the hammer head.

Abstract: A power rotary tool has a drive spindle and a chuck device mounted on the end of the spindle. The chuck device has a body member with an axial bore through an end thereof that defines a female pilot section and a threaded longitudinal section adjacent and rearward of the female pilot section. A flat shoulder is defined on the body member rearward of the threaded longitudinal section. The drive spindle has a male pilot section at a forward end thereof and a threaded longitudinal section adjacent and rearward of the male pilot section. A radial stop is defined on the drive spindle adjacent and rearward of the threaded section. Upon mounting of the chuck onto the drive spindle, the male pilot longitudinal section slides tightly within and uniformly contacts the female pilot longitudinal section and the shoulder of the body member abuts directly against the radially extending stop defined on the drive spindle.

Abstract: Provided is an optical connector end machining apparatus (1) which comprises a removing section (10) for removing an adhesive agent swollen on the respective end faces of optical connectors, a polishing section (20) located adjacent to the removing section and adapted to grind and polish the end faces of the optical connectors cleared of the adhesive agent, and a switching section (30) including a holding member (31) for holding the optical connectors and adapted collectively to shift the optical connectors held by means of the holding member to the removing section or the polishing section, the holding member releasably holding the optical connectors in a manner such that the end face of each optical connector projects and causing the respective projecting end faces of the optical connectors to move integrally toward and away from the removing section or the polishing section.

Abstract: A drill comprising a drill shank having a taper portion adjacent to a threaded portion provided on the rear or basal portion of the shank. When the drill is screwed into an axial hole in a drill holder of a drilling machine, the opening edge or inner tapered wall of the axial hole of the drill holder bites into the taper portion of the drill shank, consequently to bring the drill into firm connection with the drill holder of the drilling machine.

Abstract: The present invention relates to a tool for metal cutting, said tool in working position preferably rotating around its longitudinal center axis, and that the tool comprises a cutting body (10;10a;10b;10c) and a shaft (12;12a;12b;12c), that supports the cutting body (10;10a;10b;10c).The aim of the invention is to solve the problem to design milling, drilling and turning tools of small dimensions having exchangeable cutting edges.The present invention is characterized in that the cutting body of the tool is designed as a uniform body comprising integrated cutting edges. By means of a locking screw (11; 11a;11b;11c) the cutting body (10;10a;10b;10c) is detachably fixed in the shaft (12;12a;12b;12c).

Abstract: Disclosed is a means for retaining drill chucks for down hole drills including a circumferential groove cut in both the drill chuck and the wear sleeve, into which it is inserted, in complimentary mating orientation whereby the circumferential groove forms a channel which is filled with ball bearings, for example through access ports provided in the wear sleeve. The ball bearings prevent uncoupling and may be removed readily thereafter permitting removal of the chuck.

Abstract: A tool holder for supporting an end mill tool. The tool holder has a main body portion, a collet and a collar operable together to apply radial forces to hold the tool. The tool holder also has a threaded adjustment device operable with the tool to hold the tool in a predetermined axial position. A set screw is operable with the adjustment device to further insure against undesired axial movement of the tool.

Abstract: A manifold formed of a plastic main body member and a plurality of tubular metal inserts. The metal inserts are received in bosses formed at longitudinally spaced locations along the plastic main body member and provide communication therethrough with the interior of the main body member. Each insert includes a wrenching portion at its inner end which coacts with the adjacent material of the plastic member to preclude turning of the insert in the respective boss upon torquing of a threaded member into the insert and each insert further includes an annular groove adjacent the wrenching portion to preclude axial movement of the insert within the boss. A method of forming the manifold is also disclosed in which the inserts are respectively positioned on a plurality of longitudinally spaced upstanding pins on a lower mold half to locate the inserts within the mold during the molding process.

Abstract: A threaded coupling chuck device for use with a male threaded tube, including a body, a shaft for rotation, a sleeve and adaptor, nose cone, seal means, port means and a valve.The body is centered about an axis and has a sleeve rotably mounted inside the body. This sleeve is driven by the shaft means which rotates the sleeve in a first direction for coupling with the tube and the other direction to uncouple.Fixedly mounted in the sleeve is an adaptor means which has a nose cone supported on it. The nose cone has a threaded portion for forming a coupling with the male threaded tube upon rotation of the shaft in the first direction. The nose cone may also have a tapered surface adjacent the threaded portion to guide the tube into coupling contact with the threads.Seal means are provided generally at all junctions, and particularly for preventing passage of fluid between the tube and the nose cone coupling.

Abstract: A threaded coupling chuck device for use with a female threaded tube, including a chuck body, adaptor means, probe means, seal means, and port means.The body has an axis of rotation and shaft means for rotation, centered about said axis. Adaptor means are mounted on the body and have a threaded portion for engagement with the threaded tube to form a threaded coupling upon rotation of the internal portion of said body in a first direction about said axis. Probe means are slideably mounted in contact with the adaptor means and are positioned to align the respective threaded portions of said adaptor and said tube.Seal means are included, and are positioned to prevent passage of fluid through the coupling. The seal includes a threaded annular portion of the adaptor means, which portion is adapted to expand into contact with the tube upon activation. The seal means includes piston means positioned to glide along the axis from a first position to a second position where the seal is activated.

Abstract: A converter igniter is provided for igniting a converter screen assembly which acts as a catalyst for vapor phase oxidation of ammonia in a nitric acid reduction process. The igniter includes an elongate gas delivery tube and structure for sealably mounting the gas delivery tube with one end thereof within the vapor phase oxidation chamber. An igniting structure is provided at the end of the elongate gas tube includng a spark plug completely recessed within the end of the tube and a plurality of apertures in the tube end for producing a diffuse flame. An elongate rod-like conductor is concentrically mounted within the gas delivery tube and electrically and physically isolated therefrom by means of a concentrically mounted surrounding insulator structure.

Abstract: Tool with automatic exchange of different working fixtures on a main holder of a machine tool, particularly adapted for digitally controlled coordinate machine tools, where the exchange, selection, and clamping of a required working fixture, stored in a storage container of working fixtures, proceeds automatically according to a prior determined program without manual attention by an attendant.

Abstract: Disclosed herein is a support for holding brushes, rollers and the like for cleaning which includes a spike adapted to be inserted within the ground for example, a body portion extending upwardly therefrom, an orthogonally outwardly extending purchase area relative to the body, which assists driving the spike into the ground and also serves to support a portion of a paintbrush, a resilient clip disposed on the body proximate to the purchase area for retention of a paintbrush handle, and a threaded top area extending upwardly from the body which allows threaded engagement with a roller handle having complementally formed threads on the top of the body.

Abstract: An attachment kit is disclosed for converting a standard radial arm saw to a horizontal drill press. The kit includes a drill holder that attaches to the arbor of the radial arm saw's motor, a drill, a work support platform for holding a workpiece at a correct height and a work holder assembly for holding the workpiece to the upper surface of the work support platform.

Abstract: A force-transmitting arrangement for use in hammer drills and the like includes an internal thread in a chuck of a power tool and an external thread on a portion of the tool element which is to be mounted in the chuck, both threads being of compatible, basically trapezoidal, configurations. The flat flanks of the trapezoidal internal and external threads are offset in the radially outward direction with respect to the mean effective thread diameter. The external thread is rounded at its root with a radius substantially corresponding to the thread height of the external thread, and the internal thread is similarly rounded at its crest with a radius substantially corresponding to the thread height of the external thread, and/or chamfered.

Abstract: Retaining means for releasably retaining an earthworking tool on a support member includes a socket and adjustably partially misaligned holes extending transverse of the socket and a radially resilient retaining pin extending through the holes.

Abstract: A cutter adapted to be rotated about a front-to-rear extending longitudinal axis comprises a front portion having a cutting edge, and a rear portion for mounting a cutter. The rear portion has a conical outer periphery, the shortest radius of which is defined by a rearmost end of the rear portion. The rear portion includes a hook-shaped projection formed by a laterally open recess in the outer periphery.