Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 8016523 | Irregular-shank tools and drivers therefor A tool has a distal operative portion and a proximal shank with a mounting portion, for mounting the tool in a holder. A substantial portion of the mounting portion has a cross-sectional shape with at least one and fewer than six 60-degree segments thereof having se... | 09/13/2011 |
| 7896589 | Cutter for engagement with an arbor A cutter is for driven engagement with a driving device of an arbor. The cutter includes a shank portion having a central axis and extends along the central axis between a first end and a second end. A cutting portion extends from the first end of the shank portion.... | 03/01/2011 |
| 7896590 | Cutter for engagement with an arbor A cutter is for driven engagement with an arbor having one of an extending member and a pair of set screws. The cutter includes a shank portion having a central axis and a cutting portion extending from the shank portion along the central axis. A retaining recess is... | 03/01/2011 |
| 7766585 | Irregular-shank tools and drivers therefor A tool (1) has a distal operative portion and a proximal shank (2) with a mounting portion (3), for mounting the tool in a holder (10). A substantial portion of the mounting portion has a cross-sectional shape with at least one and fewer ... | 08/03/2010 |
| 7591617 | Twist drill with a replaceable cutting insert and a rotary cutting tool with a replaceable cutting insert A twist drill or rotary cutting device, in particular a drill, comprising a tool head or cutting insert consisting of a hard cutting material and a tool shaft which clamps the tool head between two clamp extensions that project axially from said tool shaft in such a... | 09/22/2009 |
| 7568866 | Cutting tool The present invention relates to tools with replaceable tips and, more particularly, to arrangements for securing replaceable tips to tip holders. The tool includes a tip including a working end, a connecting end, and a radially extending abutment surface; a tip hol... | 08/04/2009 |
| 7530771 | Non-ferrous bit for use with a magnetic chuck A device that allows the use of tool- and drill-bits in conjunction with a magnetic chuck comprises ferromagnetic material or a permanent magnet that is attached to the bit. ... | 05/12/2009 |
| 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 |
| 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 |
| RE40297 | Two-piece rotary metal-cutting tool and method for interconnecting the pieces A tool includes a tool body and a cutting portion detachably mounted thereon, the tool being rotatable about a longitudinal center axis. The tool body includes flutes formed in an outer surface thereof, and a pair of forward projections at a front end thereof. The c... | 05/06/2008 |
| 7364389 | Deburring tool A deburring tool includes a blade having a cutting head portion, an anchor portion, and a retention spring. An arbor is adapted to removably mount the blade such that the head portion of the blade is adapted to be elevated a predetermined distance from the arbor in ... | 04/29/2008 |
| 7360974 | Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert A rotary cutting tool that is composed of a tool shank with at least one chucking groove or chip flute and one exchangeable cutting insert. At the tip of the shank a recess for accommodating the cutting insert is provided. The tool shank, on its circumference, has a... | 04/22/2008 |
| 7354230 | Bit holding apparatus for use with a power tool An attachment (10) for use with a power tool (12) which can conveniently convert a rotatable chuck (14) or adapter (78) used with a first bit device (22) to usage with a second bit device (36) and vice versa. Either first or... | 04/08/2008 |
| 7354228 | Drilling tool for insertion of cabling An improved drilling tool for drilling into and through walls for the purpose of inserting cabling within same, comprising a drill bit and an elongated primary shaft suitably adapted to create a chaseway within a wall during the drilling process. The elongated prima... | 04/08/2008 |
| 7341409 | Tool for chip removing machining The present invention relates to a tool and a male part for chip removing machining. The tool includes a male part and a holder for the male part. The male part includes a radial and axial supporting and positioning portion and a threaded portion. A largest diameter... | 03/11/2008 |
| 7338237 | Drill and drill tip for chip removing machining The present invention relates to a drill and a drill tip for chip removing machining. The drill has a drill body, a drill tip and a shank portion. The drill tip comprises at least one cutting edge and at least one peripherally arranged guide member. The drill has a ... | 03/04/2008 |
| 7338051 | Tool holder for a rotary hammer A tool holder (1) for a rotary hammer which has a tube like tool holder main body (10) having a side wall formed with through holes (11) for receiving corresponding locking bodies (12) and formed with additional through holes (40).... | 03/04/2008 |
| 7331262 | Drive bit holder and method of manufacturing A bit holder is provided which includes a body having a cavity formed with an upper portion and a lower portion, separated by a ridge-like protuberance which has a cross sectional profile smaller than that of the upper portion and the lower portion. The ridge-like p... | 02/19/2008 |
| 7329073 | Cutting tool and tool head The present invention relates to a tool head preferably for milling. The tool head is connectable to a toolholder. The tool head includes a cutting portion and a mounting portion. The mounting portion includes an axial stop surface and a radial stop surface. Dimensi... | 02/12/2008 |
| 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 |
| 7320566 | Cutting tool including detachable cutter head A cutting tool including a cutter head and a holder. One of the cutter head and the holder has a recess formed in its axial end portion and defined by its circumferential wall. The other of the cutter head and the holder has a protrusion formed in its axial end port... | 01/22/2008 |
| 7309196 | Modular drill A drill having a replaceable cutting head, modified to eliminate forces which would distort the pocket of the drill shank and otherwise concentrate stresses which would cause failure of the drill. The cutting head has a frustoconical depending connecting member rece... | 12/18/2007 |
| 7309195 | Shank for a rotary and/or percussive tool A shank for a rotary and percussive tool has a locking groove (3) arranged between two guided regions (1a, 1b) and axially closed at its opposite ends for receiving at least one radially displaceable and axially displaceable, withi... | 12/18/2007 |
| 7296804 | Hand-held instrument holder for surgical use A surgical instrument holder has a shank having a coupling end, a handle attached to an opposite end of the shank, a coupling device, and a locking mechanism. The coupling end has an interface thereon for receiving an instrument. The locking mechanism has an annular... | 11/20/2007 |
| 7293786 | Room service table A room service table includes a frame, a tabletop including folding side portions and wheels. A push handle assembly mounts to an underside of the table and includes a handle portion and a hinge body portion. The handle portion includes a grip, a support portion and... | 11/13/2007 |
| 7278640 | Quick-connect chuck mechanism A chuck is provided for retaining the shank of a tool bit or accessory, having a fixed diameter, inserted in a central channel at a distal end of the chuck. At least one torsion spring is mounted axially within a housing and has an inner dimension and shape comparab... | 10/09/2007 |
| 7270504 | Cutting tool for metal working as well as method in the production of cutting tools A cutting tool and a method for the production of cutting tools for metalworking characterized in that the holder body of the tool first is submitted to a surface hardening that results in the formation of compressive stresses in the surface and then submitted to a ... | 09/18/2007 |
| 7261169 | Shank for a rotary/percussion tool A shank for a working tool has at least three recesses (5) provided within the lockable region (3) and arranged in a cross-section (c-c) to the tool axis (A) at least at angles of 0°, 120°, and 240° within the radial reference dimension (R) of the s... | 08/28/2007 |
| 7258350 | Chuck for receiving a rotary-percussion tool A chuck for receiving a working tool (2) rotable about a longitudinal axis (A) includes a receiving sleeve (3) having a guide surface (12) extending along the longitudinal axis (A) and at least three, axially extending, up to a free end surface ... | 08/21/2007 |
| 7258513 | Depth limiting device and hole forming apparatus containing the same A depth limiting device includes a stop collar having a an open end portion and an workpiece engaging portion extending along the open end portion thereof for contacting a workpiece; a spindle extending axially through the shell, the spindle including a first end ex... | 08/21/2007 |
| 7252013 | Brazed joint torque test apparatus and methods A method and device for testing a substantially cylindrical tool having an axis is performed by imparting a testing torque to the cylindrical tool. The tool is clamped in a vise. The tool has a driven end including a shank and a working end in opposed relation along... | 08/07/2007 |
| 7244081 | Drill adapter for drill having central and lateral cutting inserts A drill adapter has a resilient insert retaining portion at one end, a drive stem at the second end, and an adapter seating portion between the two. The insert retaining portion includes first and second resilient clamping members which are rotationally 180° apart.... | 07/17/2007 |
| 7240913 | Sliding latch for fifth wheel hitch A latch mechanism for a fifth wheel hitch that automatically closes a jaw and locks the hitch when the hitch engages a kingpin. The latch mechanism includes a handle that is used set the latch for receiving the kingpin. The latch mechanism also includes a latching m... | 07/10/2007 |
| 7241089 | Drill insert having curved cutting edges A spade drill insert and drilling tool assembly is provided wherein the spade drill insert body comprises curved cutting edges and a lip groove having a trough substantially parallel to a plane formed through each adjacent curved cutting edge, which provides a signi... | 07/10/2007 |
| 7241087 | Core bit In a core bit formed with a boring blade at a front end thereof and integrally formed with a mounting portion, at a rear end portion thereof, formed with a guide portion in a cylindrical shape mounted to a chuck portion formed at a concrete drill, a ring-like seal m... | 07/10/2007 |
| 7237986 | High speed metal drill bit A metal cutting drill bit has a shank portion, a flute portion defining a helix angle and a tip. The tip has a primary cutting edge extending to an outer periphery of the drill bit. The primary cutting edge has a rake face defining a rake angle. The rake angle is di... | 07/03/2007 |
| 7226254 | Rod-shaped tool for machining a workpiece The invention relates to a rod-shaped tool made of sintered material that is used to machine a workpiece. Said tool comprises a rod center axis (1), a shaft area (6) and a chip space area (5) adjacent thereto in the direction of the rod center a... | 06/05/2007 |
| 7219753 | Tool holder for annular core bit A tool holder (1) for an annular core bit has a bit-side axial stop surface (4) and an end-side axial splined profile (3) extending in a bit direction. The tool holder has an outer thread (5) forming radial spline projections of the splin... | 05/22/2007 |
| 7214009 | Drilling tool A drilling tool consisting of a drill shank having a drill point and of a transition section which adjoins the drill shank in the axial direction and which merges into a clamping shank, the transition section being heat-treated in such a way that it has higher bendi... | 05/08/2007 |
