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| Number | Title | Issue Date |
| 8061938 | Cutting tool with chisel edge A twist drill has double margins and a chisel edge angle of between 80 degrees and 100 degrees to maximize hole straightness and to minimize “walking” of the drill upon a workpiece. The drill may be modular having a removable tip body or the drill may be of a so... | 11/22/2011 |
| 8057133 | Machining of aluminum surfaces Machining of aluminum workpieces with diamond or diamond-like carbon-surface coated tools may be conducted in an atmosphere containing hydrogen gas at a partial pressure effective for hydrogen to react with carbon atoms at the surface to form C—H bonds that resist... | 11/15/2011 |
| 8021088 | Tool with releasably mounted self-clamping cutting head A metal cutting tool has a cutting head releasably mounted on a front end of a tool shank, in a self-clamping manner. The tool shank's forward end is provided with a pair of shank coupling portions, each having a forwardly facing shank support surface. A pocket rece... | 09/20/2011 |
| 7717654 | Drill tip with serrated and dowel pinned shank interface A replaceable drill tip and drill shank combination has a serrated and dowel pinned drill tip and drill shank interface, wherein the drill tip has a serrated bottom surface and a channel for receiving a dowel pin which extends axially from a drill shank, the drill s... | 05/18/2010 |
| 7455485 | Cutout bit for use with rotary tool The cutout bit includes a first bit segment configured to be free of flutes. The cutout bit also includes a second bit segment extending from the first bit segment at a first location. Moreover, the cutout bit includes a third bit segment extending from the second b... | 11/25/2008 |
| 7455486 | Dust extracting device An extracting device (4) for removing material cut away in the operation of a motor-driven hand tool, has an extracting opening (48) and a receiving space (18) for the cut material, which communicate with one another through an extracting path, ... | 11/25/2008 |
| 7452168 | Chuck A chuck for use with a manual or powered driver including a generally cylindrical body having a nose section and a tail section. The tail section defines an axial bore formed therein to mate with the drive shaft of the driver and the nose section defines an axial bo... | 11/18/2008 |
| 7441993 | Making connections to pipes under pressure Methods and apparatus for making connections to pipes and pressure vessels while they are under pressure employs a first drive mechanism for delivering a cutting tool to the pipe or vessel wall and a second separate drive mechanism for powering the movement of the c... | 10/28/2008 |
| 7438509 | Slug retrieval apparatus The slug retrieval apparatus is used with a hole saw with chuck mechanism, after a pilot hole is drilled. The apparatus is fitted within the chuck mechanism and the hole saw then used to cut a hole in the workpiece. The shaft of the apparatus guides the hole saw cut... | 10/21/2008 |
| 7435040 | Apparatus and method for the reaming of a hole in a work surface An apparatus and method is provided for the highly accurate reaming of a hole in a work surface. A reaming device is positioned within a base unit and positioning bracket of the present apparatus in alignment with the hole to be reamed in the work surface. The reami... | 10/14/2008 |
| 7435042 | Flexible and extendable drill bit assembly A flexible, extendable extension assembly used to create extended length holes and holes through inaccessible areas in walls and framing. The extension assembly including a flexible rod having first and second ends; and a holding means secured to the first end of th... | 10/14/2008 |
| 7435041 | Hole cutting assembly for pipes and well casings A hole cutting assembly for cutting cylindrical conduits includes a base member having first and second V-shaped contact sections at opposite ends thereof. A linear base anchoring member is secured to the base member for encircling a cylindrical conduit and drawing ... | 10/14/2008 |
| 7431543 | Machine reamer A machine reamer has a base and a reamer head configured as a one-piece indexable insert that axially projects beyond the front of the base. The indexable insert can be introduced in a front insert seat of the base with an axially projecting, preferably conical shou... | 10/07/2008 |
| 7431308 | Tool-holding chuck for equipping a rotating machine, provided with sequenced radial and axial locking means Sliding in the body of the chuck are jaws whose external thread is engaged with the internal thread of a nut mounted to rotate on the body. The nut is rotated by a sleeve, allowing the jaws to move. The chuck includes radial locking device which can be actuated by a... | 10/07/2008 |
| 7431544 | Deburring blade, device for mounting of deburring blades and bevel gear cutting machine for chamfering and/or deburring a bevel gear Bevel gear cutting machine for chamfering and/or deburring edges on the teeth of a bevel gear. The gear-cutting machine comprises a workpiece spindle, which receives the bevel gear coaxially of a spindle axis. Furthermore, a deburring spindle is provided for the rec... | 10/07/2008 |
| 7431545 | Method for producing dentures The invention relates to a method for producing dentures by milling a workpiece. The inventive method is characterized in that in the event of a change in the load on the workpiece or on the milling tool, or on the workpiece and on the milling tool, determined befor... | 10/07/2008 |
| 7429154 | Insertion end for a rotary and a percussive tool An insertion end of a tool is driven along an axis at least partially rotary or percussively, which extends along the axis within a maximum guide diameter. At least one longitudinally closed locking groove and rotary driving groove is longitudinally closed at a long... | 09/30/2008 |
| 7422396 | Drill having construction suitable for enlarging previously formed hole A drill which includes a cylindrical main body and a shank contiguous to each other, and which is to be rotated about an axis of the cylindrical main body in a predetermined rotating direction, for enlarging a hole previously formed in a workpiece through a die-cast... | 09/09/2008 |
| 7422397 | Bevel gear cutting machine for chamfering and/or deburring edges on the teeth of a bevel gear A bevel gear cutting machine, which is designed for, among other things, chamfering and/or deburring edges on the teeth of a bevel gear. The gear cutting machine has a workpiece spindle which receives the bevel gear coaxially. A carriage is provided, which receives ... | 09/09/2008 |
| 7419341 | Machining mechanical parts with a hollow cylindrical tool The present invention relates to a device for machining mechanical parts by means of a hollow cylindrical tool presenting a distal end with a free edge that is shaped to perform machining when said tool is rotated about its axis. In accordance with the invention, th... | 09/02/2008 |
| 7416371 | Wood boring bit with increased speed, efficiency and ease of use A wood boring bit for boring holes in wood and other similar work surfaces having a central longitudinal axis, a main body, a pilot screw tip and a partial flute with a cutting edge and a cutting spur. The flute portion may be defined by a partial helical section ha... | 08/26/2008 |
| 7413389 | Adjustable calibrated pivot-arm stop Systems for positioning a work piece relative to a tool. These systems may include, among others, apparatus and methods, such as a worktable for a drill press or similar machine, for positioning a work piece, such as wood, plastic, metal, and/or other material, rela... | 08/19/2008 |
| 7406758 | Apparatus and methods for manufacturing operations Apparatus and methods for manufacturing operations are disclosed. In one embodiment, a vacuum cup assembly includes a housing having a vacuum generator formed therein, and a compliant sealing member coupled to the housing. The vacuum generator is coupleable to a sou... | 08/05/2008 |
| 7407351 | Rotatable tool comprising a shank, a drawbar and a cutting head A rotatable tool includes a shank rotatable about a longitudinal axis, a drawbar mounted to an axial front end of the shank, and a cutting head mounted to an axial front end of the drawbar. The shank and the drawbar include mutually engageable screw threads which im... | 08/05/2008 |
| 7402010 | Disk-shaped or strip-shaped tool A machine tool for cutting a profile in a rotating workpiece has a body centered having an elongated edge formed with an angularly extending row of seats each having a radially directed seat face and an axially directed seat face. Respective Z-shaped holders in the ... | 07/22/2008 |
| 7402006 | Manufacturing method of gear device This method includes: a supporting process of supporting a worm wheel in a first supporting section of a supporting body; an engaging process of engaging a jig gear which corresponds to a worm with the worm wheel; a measuring process of measuring a distance between ... | 07/22/2008 |
| 7396196 | Cutting machining tool A cutting machining tool, especially of a boring bar type, has a holding device (10), one end of which is provided with a fixing shaft while its other end is provided with a seat (12) for a removable cutting member (16). The cutting member encom... | 07/08/2008 |
| 7396193 | Dust collector for drill A dust collector for a power drill is provided that includes a cylinder of sufficient size to accept at least a foremost portion of a power drill. The cylinder includes a gasket or seal at the forward end for contact with the wall or working surface to be drilled. A... | 07/08/2008 |
| 7396194 | Adjustable clamping arrangement for magnetic mounting plate A drill press is magnetically mounted on a steel plate which is clamped to a manhole cover by three L-shaped clamps. The L-shaped clamps are mounted in slots defined by brackets located on the periphery of the steel plate. Enlargements are provided on the L-shaped c... | 07/08/2008 |
| 7393164 | Dynamic balancing ring for cutter holder The present invention provides a dynamic balancing ring for a cutter holder for balancing the cutter holder. The dynamic balancing ring includes a circle, plural fixing elements and an adjusting element. The plural fixing elements are used for fixing the circle on t... | 07/01/2008 |
| 7393166 | Chuck in a processing machine In a chuck adapted for connection to a processing machine and composed of a connecting portion adapted to extend into the processing machine so as to securely engage the processing machine, a head adapted for holding a blade, and a flange sandwiched between the head... | 07/01/2008 |
| 7387477 | Controlled atmosphere cutting method using oxygen enrichment and cutting tool A controlled atmosphere cutting method and a cutting tool are provided to prevent wear on the cutting tool when cutting is performed on a material for forming an oxide protective film. According to the invention, in a cutting method of supplying gas in an atm... | 06/17/2008 |
| 7387461 | Binder having compartment with slotted access The invention provides an organizational system that comprises a form of workflow based upon a binder metaphor. The invention provides a binder that is organized internally along the line of most binders, e.g. with sleeves or dividers and a retention system, such as... | 06/17/2008 |
| 7384222 | Hole saw A hole saw includes a shaft, a hole-cutter and an adjustable outer cutter unit. The shaft has a bottom coupling hole for receiving a pilot drill, a top coupling rod for fastening to a driving tool, and an outer thread extending around the periphery thereof. The hole... | 06/10/2008 |
| 7377729 | Method of drilling holes in lenses by means of a numerically-controlled drill and apparatus for implementing said method The present invention relates to a method and apparatus for drilling holes in lenses for making “rimless and pierced-lens” spectacles. According to the invention, the apparatus comprises: a bed (11) carrying a numerically-controlled drill (12) whos... | 05/27/2008 |
| 7377730 | Drill with releasably mounted cutting head A drill in which a cutting head is releasably mounted on a tool shank. The cutting head is axially supported by the tool shank at four spaced apart axial support regions on shank support surfaces. ... | 05/27/2008 |
| 7374375 | Shank for a rotary and/or percussion working tool A shank of a rotary-percussion working tool (2) has at least two, diametrically opposite locking grooves (5a, 5b) each having a locking shoulder (11) at an axial locking end (3) and spaced from a free end surface (... | 05/20/2008 |
| 7374376 | Cutting tool The present invention relates to a replaceable cutting tip and, more particularly, to such cutting tips attachable to the cutting tip holders by a threaded connection. The cutting tip for a cutting tool includes a working end portion disposed along an axis of the cu... | 05/20/2008 |
| 7374373 | Pocket hole drilling machine A pocket-hole drilling apparatus for drilling pocket-holes in a workpiece is disclosed. In one embodiment, an initiation switch actuates clamping the workpiece and the movement of a drilling module to cut a pocket-hole. The drilling module has a motor and a step-dri... | 05/20/2008 |
| 7374374 | Tool for chip removal A tool for chip removing machining has an axial channel, the tool being a one-piece unit, the tool having a first end and a second end, the first end comprising cutting edges, the second end forming an end of a shank of the tool. The second end of the shank is cylin... | 05/20/2008 |
