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 |
| 5497759 | Driving apparatus for a diamond toolholder The single-motored apparatus includes a motor which rotatingly drives a main shaft and a correction shaft, the main shaft in turn rotatingly driving the diamond toolholder, a clutch for coupling and uncoupling the shafts, and a cam/feeler assembly for tra... | 03/12/1996 |
| 5209020 | Method of and apparatus for profiling grinding wheels A method and apparatus for profiling a grinding wheel (12) used to grind a workpiece (6) includes selectively feeding the grinding wheel radially against a dressing roller (19) to dress the wheel. Between successive dressing operations, the dressing rolle... | 05/11/1993 |
| 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 |
| 5003730 | Radius dressing apparatus A dresser is moved on a pivotal dresser holder arm relative to the pivot axis of the arm by a computer control unit using closed loop servo feedback from a position transducer to successively dress different radii and/or shapes (convex or concave) onto th... | 04/02/1991 |
| 4551950 | Truing apparatus for a grinding wheel with rounded corners A truing apparatus includes a truing tool supported on a tool support movable radially and axially of a grinding wheel having a rounded corner and drivable by a feed drive unit coupled to the tool support to move along a predetermined path for truing the ... | 11/12/1985 |
| 4547996 | Jig grinder with automatic C-axis feedrate control A jig grinder is provided with a controller for computing, as a function of an established radius and a preset feedrate, a rotational speed for rotating the machine spindle to provide a uniform surface speed at the cutting edge of the grinding tool as the... | 10/22/1985 |
| 4539971 | Grindstone dresser The invention relates to a method of dressing both the face and the roundings on a grindstone (4) in a cylindrical grinding machine in one uninterrupted operation. The dressing device includes a pivotably disposed dressing arm (2) mounted in a carriage gu... | 09/10/1985 |
| 4459969 | Overhead radius dresser for grinding wheels An overhead radius dresser for grinding wheels for surface grinders has a housing mounted upon the wheel spindle supporting a reciprocally rotatable main shaft mounting a slide having a central axis coincident with the grinding wheel plane. A slide housin... | 07/17/1984 |
| 4299196 | Radius dresser A radius dresser apparatus for cutting concave, convex, or zero radii in the peripheries of surface grinding wheels. A base plate supports a pair of spaced apart vertical support plates, between which is an angularly adjustable, vertically disposed U-shap... | 11/10/1981 |
| 4198950 | Dressing device for wheels or the like A dressing device for attachment to a machine of the type used for dressing, grinding and shaping operations on a wheel, or the like. A collar is attached to the frame or hub of a motor housing through which the spindle for the grinding wheel extends. The... | 04/22/1980 |
| 4180046 | Radius and angle dresser A radius and angle dresser includes a support member having a first shaft rotatably mounted thereon and a second shaft rotatably mounted at one end of the first shaft. The respective axes of rotation of the shafts are parallel and the second shaft is radi... | 12/25/1979 |
| 4071015 | Wheel dressing device An angled cam bar is slidable across a pair of base-carried supports so that the cam bar attitude varies in its travel, and a pivot point on the cam bar thereby traces out a locus of curvature, while a dressing stylus depending from the pivot point likewi... | 01/31/1978 |
| 4040409 | Grinding wheel truing mechanism A multi-function grinding wheel truing mechanism that is capable of automatically imparting to the periphery of a grinding wheel either a combination radial and straight form, a radial form, a straight form, or a Gothic Arch form. A dresser unit housing s... | 08/09/1977 |
| 4006727 | Angle dressing tool An angle-dressing tool for dressing angular surfaces on rotating grinding wheels and the like characterized by a dovetail way member and means for setting same in a selected one of a plurality of angular positions about a horizontal axis, leadscrew and nu... | 02/08/1977 |
