Bizarre Patents
A banana protective device for storing and transporting a banana carefully.
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 |
| 7204243 | Truing tool for truing a grinding worm A truing tool for truing an essentially cylindrical grinding worm that is arranged on the tool spindle of a machine suitable for the continuous generation grinding in the tangential- and diagonal process. The truing tool comprises an essentially cylindrical gear whe... | 04/17/2007 |
| 7198554 | Method of making valve guide having textured external surface A cylindrical valve guide having a roughened external surface texture from about 50 to about 100 microinches permits effective amounts of lubricating oil to become trapped or contained by such roughened external surface and thereby facilitates subsequent press fitti... | 04/03/2007 |
| 7189149 | Method of truing chamfering grindstone and chamfering device A truing method for a chamfering grindstone for performing chamfering work on a peripheral edge of a plate-shaped object, comprising the steps of: performing chamfering work on a truing grindstone with a master grindstone having a desired groove shape and forming a ... | 03/13/2007 |
| 7146890 | Annular octagonal hand held pushing tool for use with cutting and abrasive tools A hand held pushing tool for use with cutting and abrasive tools is formed as a planar disk. The disk has a first side surface, a second side surface, a first predetermined thickness and an outer peripheral edge. The outer peripheral edge has at least one notch. The... | 12/12/2006 |
| 7118459 | Dressing tool for profiling the tip area of a threaded grinding wheel A dressing tool for profiling the tip area of a threaded grinding wheel used for continuous generation grinding. Concave working faces (13) are arranged in a cylindrical surface of the dressing tool (7) and coated with an abrasive coating. The pitch (P... | 10/10/2006 |
| 7083500 | Method and device for grinding the outside and inside of a rotationally symmetric machine part comprising a longitudinal borehole A machine part with a conical effective surface, which is machined by means of a device comprising a machine bed, a longitudinally movable grinding bench, and a workpiece spindle head that clamps the machine part by means of clamping jaws via a chuck. The conical ef... | 08/01/2006 |
| 6884151 | Method and apparatus for forming grooves on a workpiece and for dressing a grindstone used in the groove formation A grinding apparatus for grinding a spline ball groove on a workpiece comprises a rod-shaped grindstone, having a distal end portion with a curved surface corresponding to the groove to be ground, and a spindle mechanism for rotating the grindstone. The spindle mech... | 04/26/2005 |
| 6783428 | Method for forming grooves on workpiece and for dressing a grindstone used in the groove formation A grinding apparatus for grinding a spline ball groove on a workpiece comprises a rod-shaped grindstone, having a distal end portion with a curved surface corresponding to the groove to be ground, and a spindle mechanism for rotating the grindstone. The spindle mech... | 08/31/2004 |
| 6666748 | Machining center and method of changing tools thereof The invention provides a machining center for machining a workpiece by moving a grinding wheel and the workpiece relative to each other in the X, Y and Z directions. The machining center has a main spindle for removably mounting a grinding wheel, a spindl... | 12/23/2003 |
| 6640795 | Dresser, polishing apparatus and method for producing an article A polishing apparatus comprise a lower surface plate rotatably provided and having a polishing surface for polishing an object, and an upper surface plate for pressing the object against the lower surface plate, wherein the polishing surface can be dresse... | 11/04/2003 |
| 6361412 | Process and rotary point crush truer for dressing grinding wheels with profiled working surfaces The invention applies to a process and rotary point crush truer device to dress grinding wheels with profiled working surfaces with a rotary truer where the grinding wheel and rotary truer to whose surfaces are applied a material of greater hardness than ... | 03/26/2002 |
| 5622526 | Apparatus for trueing CBN abrasive belts and grinding wheels A trueing wheel for trueing an abrasive belt or wheel having cubic boron nitride abrasive particles. The trueing wheel has a radially outer peripheral surface which slopes at an acute angle with respect to its axis of rotation. Diamond particles, preferab... | 04/22/1997 |
| 5595528 | Grinding wheel dresser A dresser to be mounted on a grinding machine uses a ring-shaped dressing wheel approximately coaxially mounted with the workpiece axis around the tailstock to position the dresser contact region between the grinding wheel axis and the workpiece axis on t... | 01/21/1997 |
| 5582536 | Apparatus and method for manufacturing wafer It is an object of the present invention to provide an apparatus and a method for manufacturing a wafer, which are the most suitable for meeting the requirement for the mirror grinding surface of the wafer's chamfering portion. As a result, when the ingot... | 12/10/1996 |
| 5580299 | Process and apparatus for machining the top surface of a rail by circumferential grinding In the proposed process of machining the top surface of a rail by a circumferential grinding by means of at least one abrasive product, which is moved along the rail and urged against the top surface of the rail and rotates about an axis of rotation which... | 12/03/1996 |
| 5525095 | Bench grinder There is described a bench grinder in which the operation of particular functional elements has been enhanced. Among significant improvements are shield-mounted lamps by means of which lighting in the work zones of the grinder is improved. Glare has been ... | 06/11/1996 |
| 5289815 | Method of dressing a threaded grinding wheel A method of dressing a threaded grinding wheel for grinding crown gears. The method comprises providing a dressing tool in the form of a pinion member with the dressing tool having the same pitch as a mating pinion member of the crown gear. Rotating the d... | 03/01/1994 |
| 5138799 | Probe positioning mechanism for a radius dresser The present invention relates to systems and methods of controlling the dressing operation of computer numerically controlled grinding machines. A contact probe is positioned relative to a dresser and contact measurements are made to determine the positio... | 08/18/1992 |
| 5139005 | Universal dressing roller and method and apparatus for dressing cup-shaped grinding wheels A tool, for dressing both the inside and outside working surfaces of cup-shaped abrasive wheels used for grinding gears, is disclosed along with methods and apparatus for using the tool. The working portion of the dressing tool has a cylindrical shape wit... | 08/18/1992 |
| 5119599 | Diamond dressing unit for grinding wheels A dressing unit for advancing and retracting a spindle, having a diamond roll rotatably mounted thereon, wherein advancement of the spindle brings the diamond roll into contact with a grinding wheel for dressing the grinding wheel. The dressing unit compr... | 06/09/1992 |
| 5113621 | Accuset micrometer lathe An apparatus is described that converts a manual adjustment procedure of a lathe on an existing pulp-grinding machine into an automated electronic procedure. The pre-existing lathe has a sharpening burr affixed to a movable plunger. The plunger is manuall... | 05/19/1992 |
| 5072548 | Process and apparatus for finish grinding splines or gear teeth A process and apparatus for finish grinding splines or teeth on workpieces is disclosed which includes a device to check the cross-sectional shape of the grinding portion of the grinding wheel between grinding steps. When a grinding wheel is withdrawn fro... | 12/17/1991 |
| 5058562 | Rotary diamond tool for truing grinding wheel A rotary diamond tool for truing a grinding wheel, comprising one or two circular vapor-deposited base plates each having a thin diamond layer formed by a vapor deposition process such as electron assisted chemical vapor deposition or direct current plasm... | 10/22/1991 |
| 5000156 | Method and device for dressing an inner peripheral blade in a slicing machine A method and a device for dressing an inner peripheral blade used in a slicing machine which slices a silicone ingot or the like into thin wafers. In the method and device, the manner of dressing the inner peripheral blade can be determined from the caree... | 03/19/1991 |
| 4926836 | Method of and apparatus for dressing cutting edge of cut-off wheel A dressing apparatus includes: a first body extending parallel to the axis of the cut-off wheel, the first body having a slider member slidable along the longitudinal axis of the first body, the slider member being urged by an urging member so as to be no... | 05/22/1990 |
| 4920945 | Method for dressing grinding wheels A method serves for dressing grinding wheels (10) whose surface (16) comprises an embedding compound for CBN crystals. A rotating dressing roll (11) is moved along the surface (16) of the grinding wheel (10). In order to produce sharp-edged points at the ... | 05/01/1990 |
| 4915089 | Tool for trueing and dressing a grinding wheel and method of use There is provided a tool for trueing and dressing a grinding wheel, comprising a wheel having a thin layer of diamonds in a plane perpendicular to the rotational axis of the tool. There is also provided a method for trueing and dressing a grinding wheel, ... | 04/10/1990 |
| 4897967 | Apparatus for truing a grinding wheel An apparatus for truing the cylindrical outer peripheral grinding surface of a grinding wheel includes a truing head which is movable toward or away from the grinding wheel in a first direction which is parallel to the grinding surface and in a second dir... | 02/06/1990 |
| 4897964 | Grinding machine with dressing apparatus and method of dressing grinding wheels therein A grinding wheel with a working surface having a complex profile is subjected to a path-controlled dressing operation by an apparatus which moves in the direction of the Z-axis of the machine while the grinding wheel moves in the direction of the X-axis. ... | 02/06/1990 |
| 4862868 | Rotary dressing roller and method and apparatus for dressing cup-shaped grinding wheels A rotary dressing roller of the generating type and a method and apparatus for dressing a substantially cup-shaped grinding wheel for longitudinally curved tooth gears. The rotary dressing roller 40 is provided with a base portion 42 which is rotatable mo... | 09/05/1989 |
| 4811721 | Wheel dresser A wheel dresser for dressing and truing a driven grinding wheel, having a housing, a shaft rotatably mounted in the housing, a dressing wheel substantially nonrotatably affixed to the shaft, and dressing control knob apparatus for enabling operator suppli... | 03/14/1989 |
| 4799473 | Gearlike dressing tool A gearlike dressing tool coated with extremely hard abrasive grains like diamond or CBN. To reduce the manufacturing expenses, not all but only a portion of the teeth is coated. The remaining teeth remain uncoated. The coated teeth lie always directly sid... | 01/24/1989 |
| 4773188 | Device for automatic adjustment of grinding wheel positions A support for a grinding wheel or other rotary element use for conditioning workpieces, has the wheel arbor supported upon vertically shiftable support members, so that the distance between the lowermost, work engaging area of the wheel can be adjusted in... | 09/27/1988 |
| 4744348 | Dressing apparatus for grinding wheels A grinding wheel dressing apparatus including a housing, a dresser shaft rotatably mounted on the housing and having one end adapted for connection to a drive shaft and an opposite end adapted to receive a dresser wheel, and an acoustic sensor retained by... | 05/17/1988 |
| 4730596 | Roll-type dressing unit A dressing roll unit is supported on a nonrotating shaft clamped and maintained as a "fixed end" beam, thereby restrained against axial movement and deflection. The shaft is formed with spaced-apart bearing points, wherein wedge-shaped relief sectors are ... | 03/15/1988 |
| 4718196 | Grinding machine workhead fitted with a dressing tool For dressing a rotating grinding wheel which grinds a workpiece held in a chuck, there is mounted on an extension of the chuck, an annular dressing tool having an inner lining of diamond, for example. The dressing annular is accurately centered relative t... | 01/12/1988 |
| 4693231 | Gearlike, abrasive precision working tool, a method for dressing of such a tool and a dressing tool for dressing the tool A narrow guide gear is mounted on an axially facing side of a gear-shaped tool. The tool effects a precision working of the flanks of gearlike workpieces. The teeth of the tool have an abrasive surface, that is a surface which does not have uniformly dire... | 09/15/1987 |
| 4685440 | Rotary dressing tool Apparatus and method to provide a rotary dressing tool, formed to the geometric shape of any part piece to be ground, which is utilized to reform an abrasive wheel so that it will produce desired dimensional characteristics on the part piece. A combinatio... | 08/11/1987 |
| 4683679 | Grinding and dressing wheel support and release apparatus Grinding and dressing wheel support and release apparatus adapted to maintain a high degree of accuracy and adapted for quick change of a grinding wheel and dressing roll. A grinding wheel unit is maintained between two axially aligned shafts for rotation... | 08/04/1987 |
| 4677793 | Method and apparatus for high tolerance polishing of a workpiece surface Apparatus for finishing a workpiece comprising a resilient abrasive finishing element arranged for motion relative to a workpiece surface and in pressure engagement therewith. Methods of finishing a workpiece employing this apparatus are also disclosed. B... | 07/07/1987 |
