Bizarre Patents
Nicotine Containing Dental Floss
Keep away cavities and cancer at the same time.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7393162 | Gun drill A gun-drill comprises a cutting-head detachably secured to a shank, having a common longitudinal axis and comprising mating peripheral surfaces. A shank coupling portion comprises a forwardly tapering shank fixation surface is formed at a front end of the shank, and... | 07/01/2008 |
| 7326009 | Edge-carrying drill body having an internal chip-removal channel An edge-carrying drill body intended for deep hole drilling, is rotatable around a central geometric axis and comprises a through-channel arranged for internal chip evacuation. The channel mouths in front and rear ends of the drill body. A front channel mouth is bri... | 02/05/2008 |
| 7320565 | Edge-carrying drill, method for the manufacture of the drill, and drilling tool comprising such a drill In a first aspect, the invention relates to an edge-carrying drill body (1) of the type that is intended for deep hole drilling, and which is rotatable around a geometric axis (C) as well as comprises a through channel (2) arranged for internal chip ev... | 01/22/2008 |
| 7207752 | Reamer and method for reaming The present invention discloses a reamer (20) and a method for reaming, for enlarging a pre-existing hole in a workpiece by rotational and axial cutting. The reamer (20) includes a body (24) extending from a shank (22). The body (24 | 04/24/2007 |
| 7192224 | Drilling tool A double or multiple-edged drilling tool has a base body rotatable about a drilling axis, and at least two plate seats arranged on the front face for accommodating identical interchangeable cutting plates. The cutting plates each have a machining face, and a clearan... | 03/20/2007 |
| 7175372 | Quick release arbor An arbor system includes an arbor, a clamp body of a power tool, a tightening feature and an optional snap feature. The arbor has a flanging feature, a thread and a number of circumferentially arranged driving pins. The clamp body is sandwiched between the arbor and... | 02/13/2007 |
| 7172373 | Deburring tool with quick change knife The invention relates to a deburring tool with a quick change knife, which is formed by at least two parts, namely a guide sleeve having a larger diameter and a center bore, and a base body that can be inserted in the center bore in an axial direction. The base body... | 02/06/2007 |
| 7163362 | Hole saw assembly A hole saw assembly including a boss adapted to hold a hole saw and having a plurality of connecting shafts. The shafts rotationally engage a driving means and longitudinally engage a locking member that locks the boss, driving means and the locking member together.... | 01/16/2007 |
| 7155789 | Cutter adjustment system An improvement for a cartridge case trimmer which indexes on the shoulder of the case as established by the resizing die and permits a rotating cutter assembly to trim the neck of cases from the inside at a controllable angle. The cutter assembly includes a notched ... | 01/02/2007 |
| 7112143 | Thread former or tap Cold thread forming tap or screw tap with a shaft, said shaft having a chuck portion at the one end and a forming or cutting profile portion on the other end, the forming or cutting profile portion being realised as a separate profile element and being fixable centr... | 09/26/2006 |
| 7101124 | Hole saw assembly A hole-saw assembly including a hole-saw having at one end a plurality of cutting teeth and at the other end two shafts. The assembly includes a mandrel coaxially aligned with said hole-saw and including a body having two bores therethrough coaxially aligned with sa... | 09/05/2006 |
| 7097397 | Hole-saw assembly including two hole-saws The present invention relates to an improved hole-saw assembly and in particular, to a mandrel engageable by a drill and including at least one locking ring or annulus that allows for the base of two hole-saws of different diameter to be quickly and easily mountable... | 08/29/2006 |
| 7029211 | Pipe chamfer tool The present invention a pipe chamfer tool including a body having at least one aperture defined therein, the aperture sized and adapted to slidably receive a pipe. The chamfer tool further includes a cutting blade housed in the body defining at least one cutting sur... | 04/18/2006 |
| 6902400 | Dental bur A dental bur structure including a rotatable shaft turned by a motor. The shaft possesses a proximal portion having a fluted surface. The bur also possesses a distal portion with a smooth surface tip which generates heat to melt a composite post matrix upon activati... | 06/07/2005 |
| 6868572 | Screwdriving and countersinking bit The invention provides a bit (10) for use with a rotatable tool, said bit including: a shaft (12) having a rearward end adapted to be held by a chuck of the rotatable tool, and a forward end (18) having cutting tips formed thereon; a reaming hea... | 03/22/2005 |
| 6602028 | Support pad for a deep hole drill An element which defines a support pad and/or a guide bar adapted to be mounted in a seat of a cutter head of a deep hole drill comprises a body which defines a longitudinal direction and a cross-direction. The body includes an inner mounting side and an ... | 08/05/2003 |
| 6550120 | Threaded conversion kit for replacement ball joints An aftermarket retrofit kit is used to prepare control arm bosses of automotive suspension systems to receive new, replacement ball joints. The kit includes a special cutting tool for forming obtuse threads in the apertures of aluminum suspension system m... | 04/22/2003 |
| 6517296 | Hole finishing tool A hole-finishing hole finishing tool includes a pilot cone within which a quarter round section is free to be displaced in an axial direction. The quarter round section is resiliently biased away from a workpiece. When the tip of the pilot cone is inserte... | 02/11/2003 |
| 6511266 | Wall fishing method and apparatus Holes can be cut squarely through obstructions hidden within a hollow wall by apparatus that may include a flexible guide tube having a work-engaging head at one end; a collared lead screw or other arrangement for bringing the work-engaging head into perp... | 01/28/2003 |
| 6123489 | Drilling tool for machine tools and method of producing the same A drilling tool includes a tool head having at least one chip groove and a tool shank. A slotted sleeve is placed on the tool shank and closely surrounds the chip groove. The edges adjacent the slot lie on solid material of the tool shank. The chip groove... | 09/26/2000 |
| 6073710 | Combination drilling member A combination drilling member includes an axially elongated drill, such as used for drilling rock, having an axially extending shaft (2) with a first end leading in the drilling direction containing a cutting bit (3). The shaft (2) has at least one helica... | 06/13/2000 |
| 6045302 | Drill bit retriever device A cutting tool assembly for cutting holes in a work piece is disclosed. The assembly includes a cutting tool member with a cylindrical cutting member, a shank member, and a guide means providing at least one guide surface tapering from the cutting member ... | 04/04/2000 |
| 5976143 | Orthopedic reaming instrument An orthopedic reaming instrument has a generally cylindrical housing having a first end and an opposed second end, an elongate shaft extending from the first end and a removable and replaceable cutting disc disposed at the second end. The housing has a sl... | 11/02/1999 |
| 5908272 | Rotational cutting tool guard apparatus A guard apparatus for a rotational tool prevents direct contact of the cutting regions by an operator of the tool. The rotational cutting tool to which this invention is particularly applicable is the type having at least a shank portion and a toothed reg... | 06/01/1999 |
| 5882152 | Multi-bit drill A drill having an elongated body including a fluted land and a shank. The fluted land includes a plurality of radial grooves of reduced material thickness formed therein to the depth of the flutes. The grooves define discrete segments of the drill. Each s... | 03/16/1999 |
| 5848862 | Boring bar with reverse mounted insert A boring bar includes an insert pocket formed on the back side of a relief in the working end of the bar, for the removable installation of a cutting insert therein. The insert pocket may be formed to provide a positive rake angle for the insert installed... | 12/15/1998 |
| 5697737 | Support pad for drill A drill includes support pads for supporting and guiding the drill in the drill hole. The support pads are formed as parallelepiped-shaped cemented carbide bodies which each have two wing-shaped protrusions on their longitudinal sides. In a corresponding ... | 12/16/1997 |
| 5338135 | Drill and lock screw employed for fastening the same A drill has a pair of cutting edges (4) which are arranged at positions that are substantially uniformly circumferentially spaced about its rotation axis. Each of the cutting edges (4) has a first linear cutting region (4a) and a second linear cutting reg... | 08/16/1994 |
| 4997321 | Apparatus for aligning and reboring a damaged throughbore of a housing Apparatus for reboring a damaged portion in the first of first and second bores (14,15) in a counterbored workpiece (12) contemplates a first pilot (35) for extending through the second bore and engaging the first bore interiorly of the damaged portion, a... | 03/05/1991 |
| 4895482 | Countersink forming tooling Tooling to form a countersink and counterbore in a workpiece includes: (a) a first part defining an axis and that extends axially forwardly in a bore hole in the workpiece, (b) a rotatable carrier connected with that first part, (c) and a cutter blade on the carrie... | 01/23/1990 |
| 4830548 | Method and apparatus for cutting A cutting tool assembly including an elongated pilot holder and a cutter blade adapted to be transversely positioned in a transverse slot in the pilot holder. The cutter blade includes cutting edges along one transverse edge of the blade and notches in th... | 05/16/1989 |
| 4818156 | Tool for making roughing and finishing cuts in a workpiece A drill for performing a roughing cut in a workpiece as the drill is advanced, and performing a finishing cut as the drill is retracted. A blade carrier is mounted eccentrically on the drill to be movable between first and second positions. In the first p... | 04/04/1989 |
| 4799834 | Cutter insert for KEVLAR A cutting tool especially for use on KEVLAR comprises a rotatable holder and an insert which is attached on the holder. The insert has a particular shape useful for shearing the KEVLAR fibers and forming a countersink.... | 01/24/1989 |
| 4798503 | Tenon forming tool A tenon forming tool which is an attachment for a powered hand drill.... | 01/17/1989 |
| 4768901 | Drill having two or more cutting edges comprising exchangeable cutting members A drill having two or more cutting edges is provided with interchangeable cutting members. The cutting members are fastened by screws in corresponding recesses formed in the drill bit. The cutting members are embodied by interchangeable plates and provide... | 09/06/1988 |
| 4710074 | Casing mill A casing mill is set forth having a cylindrical body with one end adapted to be attached to a drill string and at the other end pilot vanes to guide the mill with respect to the casing. A plurality of blades project outwardly from the body to present a cu... | 12/01/1987 |
| 4615651 | Thread guide bushing and bushing holder An improved threading tool kit for forming threads on cylindrical members that have different diameters is provided and consists of a holding member that is pivotally threaded to the underside of a stock. The holding member can accommodate one of a plural... | 10/07/1986 |
| 4596498 | Single bit reamer with improved guide members The operating life of the two guide members in a single bit reamer is increased by shaping the peripheral surface of the guide members with a radius of curvature less than the radius of the bore being machined. Contact between each guide member and the bo... | 06/24/1986 |
| 4591302 | Countersink with disposable insert A countersink utilizes standard, inexpensive inserts for cutting. Thus the tool never needs sharpening. The inserts may be mounted at several locations on the tool, providing a versatile tool that can handle a wide range of hole sizes.... | 05/27/1986 |
| 4385853 | Arbor for rotary cutting tool An arbor for a rotary cutting tool which includes an elongated cylindrical shank that has an axial bore formed therethrough. The upper end of the shank is adapted to be attached to the drive spindle of an electric motor. The arbor shaft is slidably mounte... | 05/31/1983 |
