Bizarre Patents
Apparatus for Simulating a High Five
A self-righting hand-arm configuration which is adapted to pivot when struck by a user, thereby simulating a "high five."
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| Number | Title | Issue Date |
| 7357619 | Cross over flow diverter for noise reduction A cris-cross pattern of flow channels serves to divide the flow of fluid and then cross the flow to cause an impact between the flow in each channel to impact against each other to reduce the decibels and noise level created by the flowing of the fluid. In a pneumat... | 04/15/2008 |
| 7300337 | Grinding machine with a dust collector A grinding machine with a dust collector includes a driving portion, a transmitting portion, a dust-collecting tube, a fender, an air intake connector and a grinding wheel. The dust produced by the rotation of the grinding wheel is sucked by the dust-collecting tube... | 11/27/2007 |
| 7288022 | Water-driven tool A portable water-driven rotary tool for drilling, grinding and polishing concrete and stone that provides for high torque and that uses water pressures as the power source, the tool including a water control valve, an impeller with blades and a drive shaft that has ... | 10/30/2007 |
| 7252580 | Grinder with easily installable/detachable grinding disc A grinder with easily installable/detachable grinding disc, including: a main body in which a driving unit is disposed for driving a rotary shaft, an annular toothed section being formed on the circumference of the rotary shaft; a bracket rotatably disposed under th... | 08/07/2007 |
| 7226348 | Air sander grinder An improved structure of an air sander grinder with air chamber mounting and eccentric mounting, and the cylinder air chamber mounting is placed inside the air sander grinder, and an air chamber is placed in the center of the air chamber mounting the sides of which ... | 06/05/2007 |
| 7179156 | Grinder with easily installable/detachable grinding disc and a linkage effect A grinder with easily installable/detachable grinding disc and a linkage effect. The grinder includes a main body in which a rotary shaft is disposed for a grinding disc mounted under a bottom end of the rotary shaft. A controlling button is switchable for powering ... | 02/20/2007 |
| 7118467 | Pneumatic buffing machine A pneumatic buffing machine including a housing having an internal chamber in which a pneumatically driven motor set is mounted. The motor set includes an eccentric block for driving a grinding disc. A skirt shade is screwed under a bottom of the housing by means of... | 10/10/2006 |
| 7115028 | Coupling structure for grinding members A coupling structure for grinding members adopts a removable structure to fasten a grinding member to a pneumatic tool. One or more grinding member may be mounted on the coupling structure according to requirements. The coupling structure may be used repeatedly to r... | 10/03/2006 |
| 7077732 | High torque dual chamber turbine rotor for hand held or spindle mounted pneumatic tool A high torque turbine rotor for a lightweight hand held tool for grinding and polishing having a rotor that includes two separate high pressure air chambers separated by a common housing wall, each air chamber having peripheral air expelling nozzles in a tangential ... | 07/18/2006 |
| 7022002 | Modular counterweight apparatus for an orbital abrading machine A head portion for counterbalancing a random orbital machine including a first element adapted for connection to a drive means for the machine and to an abrasive pad assembly. The drive means is rotatable about a first axis of rotation and the abrasive pad assembly ... | 04/04/2006 |
| 7014548 | Pneumatic grinder with easily replacing grinding disc A pneumatic grinder with easily replacing grinding disc, including: a main body in which a rotary shaft is eccentrically pivotally connected with and is driven by a drive shaft of the pneumatic grinder, a bottom end of the rotary shaft being for mounting a grinding ... | 03/21/2006 |
| 6974370 | Spindle lock for an orbital abrading or polishing tool An orbital abrading or polishing tool is provided that includes a tool body to be held and manipulated by a user. A motor is carried by the tool body and has a motor shaft driven for rotation about a primary axis. The motor shaft has a cylindrical portion at one end... | 12/13/2005 |
| 6969311 | Pneumatic sanding machine A pneumatic sanding machine includes a body, a pneumatic motor assembly mounted in the body and a control valve detachably mounted in the body to change the path of compressed air that actuates the sanding machine. The control valve includes a first portion selectiv... | 11/29/2005 |
| 6935437 | Air drill An air drill includes a body having a grip portion having an air supply passage and an air exhaust passage formed therein, a trigger portion formed above the grip portion and supporting a trigger, and a cylinder portion formed above the trigger portion and accommoda... | 08/30/2005 |
| 6896599 | High torque dual chamber turbine rotor for hand held or spindle mounted pneumatic tool A high torque turbine rotor for a lightweight hand held tool for grinding and polishing having a rotor that includes two separate high pressure air chambers separated by a common housing wall, each air chamber having peripheral air expelling nozzles in a tangential ... | 05/24/2005 |
| 6783437 | Edge-sealed pad for CMP process The present invention discloses a polishing pad that can facilitate process stability, extend length of use, and mitigate process non-uniformity and process induced defects for chemical mechanical planarization processes. The polishing pad of the present invention i... | 08/31/2004 |
| 6752705 | Pneumatic tool with safety effect A pneumatic tool with safety effect, including: a main body formed with an internal flow way for a fluid to flow into the main body to drive a cylinder therein; a press switch disposed in the main body for blocking the flow way in normal state; a trigger disposed on... | 06/22/2004 |
| 6752704 | Grinder with easily installable/detachable grinding disc A grinder with easily installable/detachable grinding disc, including: a main body in which a driving unit is disposed for driving a rotary shaft, an annular toothed section being formed on the circumference of the rotary shaft; a rotary disc rotatably disposed arou... | 06/22/2004 |
| 6709315 | Auto feed system for compressed propellant tools and pressure compensating valve therefore An automatic feed system 10 is provided for advancing a hydraulically powered work head into a workpiece being cut. A hydraulic fluid powered work head motor 40 drives a diamond drill cutting tool 46 or other cutting tool to cut the workpiece, s... | 03/23/2004 |
| 6464572 | Portable power tool with an anti-vibration balancing device A portable power tool is provided which has a rotating output shaft (13) journalled in two axially spaced bearings (15, 16). A working implement mounting device (19) and an anti-vibration balancing unit (20) are provided at a forward end (13a) of the outp... | 10/15/2002 |
| 6409584 | Speed adjusting device for pneumatic grinding tool A speed adjusting device for a pneumatic grinding tool includes an axle having a passage defined longitudinally therein and a plurality of apertures are defined in an outer periphery of the axle. A base is mounted and rotated with the axle. A plurality of... | 06/25/2002 |
| 6312315 | Abrasive article with separately formed front surface protrusions containing a grinding aid and methods of making and using An abrasive article including (i) a first backing, (ii) a plurality of protrusions attached to the first surface of the first backing and including a grinding aid, wherein the first surface of the first backing is contoured by the protrusions so as to def... | 11/06/2001 |
| 6264408 | Pneumatic tool kit A pneumatic tool kit including a main body, a threaded plug, a connecting seat, at least one grinding member, a protective cover, a saw disk seat, an adjustment seat, at least one edge-milling tool, a stopper board and at least one drilling/milling tool. ... | 07/24/2001 |
| 6264534 | Method and tooling for automated wet or dry sanding of a vehicle surface An automotive vehicle body can be sanded with a robotic sanding (polishing) disk that is carried on a robotic head, such that the sanding disk has a relatively constant unit pressure on the vehicle surface as the head moves the sanding disk along the vehi... | 07/24/2001 |
| 6203415 | Direct drive water-driven rotary tool An improved multi-purpose, direct-drive, water-driven rotary tool having improved torque and power. The present invention includes a housing having a central cavity, an impeller with angled, beveled blades around its periphery, a drive shaft connected to ... | 03/20/2001 |
| 6186866 | Abrasive article with separately formed front surface protrusions containing a grinding aid and methods of making and using An abrasive article including (i) a first backing, (ii) a plurality of protrusions attached to the first surface of the first backing and including a grinding aid, wherein the first surface of the first backing is contoured by the protrusions so as to def... | 02/13/2001 |
| 6056629 | Free form machining tool In a free form machining tool 10 for machining a surface to be machined while bringing the lower end into contact with the surface to be machined by a rotation around an axis z, the tool comprises a spherical tool 12 having a spherical surface machining s... | 05/02/2000 |
| 6007412 | Rotary abrading or polishing tool An abrading or polishing tool comprises a housing that contains a pneumatically drive motor mounted therein. A drive assembly is contained at least partially in the housing and is engaged with the motor to be driven by the motor during operation. A head i... | 12/28/1999 |
| 5775981 | Air die grinder An air die grinder secured on a rotary shaft of a pneumatic motor by a fixing device is disclosed. The fixing device includes a sleeve having a driving section with none circular cross-section and a locating section with a circular cross-section. A ball h... | 07/07/1998 |
| 5662517 | Compressed-air-driven metal working machine A metal working machine which has a tool support on which a rotatable working spindle is mounted which can be acted upon by oil-free compressed driving air. A separate duct provides oil-free compressed braking air which serves to stop the tool support aft... | 09/02/1997 |
| 5626065 | Cutting device with automatic sharpener The present invention pertains to a device for cutting materials and including a straight blade 10, to which are connected two sharpening units 13, 14 with angulation complementary to that of the cutting edge of the blade. Each sharpening unit 13, 14 comp... | 05/06/1997 |
| 5620364 | Water-driven rotary tool A multi-purpose water-driven rotary tool having improved torque that has a housing with first and second cavities, one of the cavities housing an impeller, the other housing a main drive shaft connected to a rotatable mounting pad or backing pad that cont... | 04/15/1997 |
| 5597348 | Water feed for sanding tool A portable abrading or polishing tool including a tool body carrying an air motor which drives an abrading or polishing head relative to the tool body, with the tool including an aspirator energized by pressurized air for inducing a flow of water to a wor... | 01/28/1997 |
| 5591070 | Air tool with exhaust diverting valve A pneumatic tool (10) is described for diverting exhaust air from an air motor (18) between a rearward opening (22), a forward opening (24), or both, without requiring any disassembly. An exhaust diverting valve selector (26) allows adjustment of the dire... | 01/07/1997 |
| 5525097 | Air motor Disclosed is an air motor having an engine pack (with a rotor provided with front and rear retainers, a stator, and vanes) which can be assembled and replaced even by an unskilled person. An air supply joint is engaged with guide projections formed on the... | 06/11/1996 |
| 5303513 | Portable abrading handtool An air powered, portable abrading tool having a valve operable in response to engagement with a surface to be abraded for driving an abrasive disk.... | 04/19/1994 |
| 5301471 | Portable air angle head random orbital unit The present disclosure is a portable air angle head random orbital unit. It provides a novel random orbital collect unit for the spin unit of the portable air angle head random orbital unit. A sander, polisher or eraser head can be attached to the portabl... | 04/12/1994 |
| 5299392 | Portable power grinder A portable power grinder comprises a housing (11), a rotation motor (10) with a rotor (13) having a rear end portion (27) extending out of the motor (10), an output shaft (22) which is drivingly coupled via a reduction gearing (23) to the rotor shaft (13)... | 04/05/1994 |
| 5255474 | Polishing spindle A polishing spindle is provided for use in a polishing device which includes a hollow spline shaft, and a polishing tool having a polishing member which defines a first bag-like elastic member and is attached in an airtight manner to a forward end of the ... | 10/26/1993 |
| 4683682 | Safety lever for portable power tool A powered hand tool as a housing containing an air pressure driven motor with an output spindle extending from a work side of the housing and a work device such as a grinding wheel mounted thereon. A guard is mounted with the work side of the housing and ... | 08/04/1987 |
