Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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 |
| 7198277 | Wheel chuck with counterweighted jaws A wheel chuck includes a plurality of moveable jaws mounted upon a support structure. A plurality of moveable counterweights are mounted upon the support structure with each counterweight opposite from and connected to a corresponding one of the jaws. Upon rotation ... | 04/03/2007 |
| 6935638 | Universal substrate holder for treating objects in fluids A universal substrate holder of the invention for treating wafer substrates in liquids is provided with a shaft and a rod slidingly inserted into the central opening of the shaft. The end of the shaft that protrudes into the bowl supports a base platform for the sub... | 08/30/2005 |
| 5462293 | Chuck having an integrated cone or machine spindle A rotating holder for tools or work pieces includes a chuck in the form of a hydraulic clamp bushing. The clamp bushing comprises a thin inner sleeve or wall, a solid outer sleeve and a plastic or hydraulic pressure medium which is entrapped between the s... | 10/31/1995 |
| 5292213 | Coupling device for high-speed rotation A coupling device for high speed rotation applications comprised of a first member about a longitudinal axis having a collar integrally attached to a solid base and a second member about a longitudinal axis having a sleeve which is receivable within the c... | 03/08/1994 |
| 5125777 | Rotary tool A rotary tool is provided with a shank and a collar-like section, and further includes a plurality of screw-threaded holes drilled in a vertical end face of the collar-like section, in parallel relationships with the axis of the collar-like section. A plu... | 06/30/1992 |
| 5074723 | Method and apparatus for balancing a rotary tool assembly The present invention entails a method and apparatus for balancing a high speed rotary tool assembly. A pair of closed balancing rings are journalled about a cylindrical bearing surface formed around a rotary tool holder with each ring being rotatively mo... | 12/24/1991 |
| 5062826 | Device for locking a blood centrifugation cell on a chuck The invention provides a device for locking the base of a blood centrifugation cell on a rotatable generally disc shaped chuck plate. The chuck plate encloses a plurality of elastic locators which extend radially a slight distance from the periphery of th... | 11/05/1991 |
| 5060957 | Power-operated chuck A power-operated chuck having a chuck body and clamping jaws that are displaceably guided in radial guides of the chuck body and that are adapted to be actuated by at least one drive element, which is displaceably guided in the chuck body and is actuated ... | 10/29/1991 |
| 5033923 | Rotary tool A rotary tool is provided with a shank and a collar-like section, and further includes a plurality of screw-threaded holes drilled in a vertical end face of the collar-like section, in parallel relationships with the axis of the collar-like section. A plu... | 07/23/1991 |
| 4966375 | Lathe chuck for offecenter workpiece rotation A chuck has a chuck body generally centered on and rotatable about a rotation axis, a head displaceable on the chuck body generally perpendicular to the rotation axis, and three jaws angularly generally equispaced on the head about a clamp axis offset fro... | 10/30/1990 |
| 4865336 | Apparatus for securing a cutting tool in a tool holder and machine tools employing the same An apparatus and tool assembly containing the same which includes a rotatable ring and a series of bearings in contact with the inner surface of the rotatable ring wherein the bearings are angled with respect to the longitudinal axis of the cutting tool a... | 09/12/1989 |
| 4838561 | Chuck, particularly for machine tools The chuck includes a structure supporting a table provided with first sliding seats and with second sliding seats which extend radially from the center of the table and respectively accommodate means for centering the workpiece and means for locking the w... | 06/13/1989 |
| 4836723 | Spindle assembly An improved high-speed spindle assembly for a shank-driven cutting tool comprises a hollow spindle for a collet, a titanium alloy drawbar within the spindle for threadingly engaging the collet, and a tubular resilient member within the spindle surrounding... | 06/06/1989 |
| 4811639 | Drive bar attachment for threading machines An attachment is disclosed for use with a power driven threading machine of the character having a tubular workpiece receiving spindle carrying jaw assemblies which engage and disengage a workpiece in the spindle. During a threading operation, the jaws en... | 03/14/1989 |
| 4697484 | Rotating drilling head A rotating head or the like having a drilling spindle and a tool carrier with an arrangement to finely adjust the tool carrier in a direction transverse to the axis of rotation of the spindle characterized by a wedge carrier which is mounted on the spindl... | 10/06/1987 |
| 4373411 | Expansible mandrel An expansible mandrel for loading and unloading a work member while the mandrel is rotating, comprises a frame having an abutment and a mandrel body slidable in the frame. Two slide members are mounted for radial movement within first recesses in the body... | 02/15/1983 |
| 4292027 | Sealing dental collet A collet of somewhat flexible plastic for holding a dental tool in a dental handpiece, has an inner body which fits within a socket in the burr tube of the handpiece, and at its outer end extends outwardly into a hub and then rearwardly into a cylindrical... | 09/29/1981 |
| 4206932 | Diaphragm chuck with locking ring A diaphragm type chuck is disclosed equipped with means to lock the work engaging jaws against inadvertent release due to centrifugal forces. The means automatically shifts into jaw locking position when the chuck is closed and automatically releases the ... | 06/10/1980 |
| 4139206 | High speed chuck A high speed chuck includes a body having a central axis around which it is rotated. The chuck also includes at least one master jaw for gripping a workpiece and a jaw operating mechanism. A jaw locking mechanism includes a wedge aligned transversely to a... | 02/13/1979 |
| 4006996 | Positively driven tool holder for a high speed rotatable spindle A tool holder for easy and quick insertion in and removable from a high speed spindle of a machine tool. The tool holder is positively driven by the spindle by means of a quickly engagable and disengagable clutch. A drive adapter is insertable in the bore... | 02/08/1977 |
