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 |
| 8176909 | Grinding tool for natural stone floors, artificial stone floors and industrial soils A grinding tool for natural stone floors, artificial stone floors and industrial floors allows a greatest possible adaptation to the unevennesses of worn natural and artificial stone floors to be restored by using diamond tools that are flexibly attached. The diamon... | 05/15/2012 |
| 7373936 | Portable finishing apparatus for hard material The instant invention relates to power tools. More specifically, the instant invention is a portable device for shaping, contouring and polishing the edge of a workpiece consisting of a hard material. The device includes a guide-way constructed and arranged to attac... | 05/20/2008 |
| 7210992 | Machine for preparing floors for refinishing A floor preparation machine that uses a number of vertical needles positioned in a tight rectangular pattern. The needles vibrate against the floor surface to prepare the floor surface. The needles are driven by a cam and cam follower. As the cam is turned by a moto... | 05/01/2007 |
| 7147548 | Grinding and cutting head A grinding and cutting head adapted to be mounted with a rotating disk of a grinding and cutting machine. The head includes a plate having a first surface which mounts at least one carrier. The carrier includes a vertical slot along one side which extends upwardly f... | 12/12/2006 |
| 7000605 | Engraver apparatus and method A concrete engraver apparatus including a carrier for use with a hand-held engraver. The hand-held engraver is detachably mounted to the carrier. The carrier has wheels and a handle attached to an enclosure. The enclosure includes a vacuum mount for attaching a vacu... | 02/21/2006 |
| 6997175 | Portable apparatus for working, shaping and polishing stone and other hard materials A wheeled trolley carries various tools across an object to be worked. A track attaches directly to the work and simultaneously isolates the tool from the work. A standard connection to the trolley readily accommodates a variety of diverse tools, using a keyway or t... | 02/14/2006 |
| 6941939 | Facing machine for hard-fired ceramic tiles The facing machine for hard-fired ceramic tiles comprises: a structure for supporting, and setting the cutting depth of, at least one pair or rotary rollers at a grooving station, the axis of the rollers lying transverse to the infeed path of the tiles as carried on... | 09/13/2005 |
| 6843242 | Method for consolidating natural stone blocks A method is described for repairing and consolidating a natural stone block (1), with internal fractures and structural discontinuities, in which around the block (1) a coating (2, 3, 4) is applied that wraps the block (1) below and along... | 01/18/2005 |
| 6712061 | Portable apparatus for working, shaping and polishing stone and other hard materials A wheeled trolley carries various tools across an object to be worked. A track attaches directly to the work and simultaneously isolates the tool from the work. A standard connection to the trolley readily accommodates a variety of diverse tools, using a keyway or t... | 03/30/2004 |
| 6273081 | Portable gasoline masonry saw with dust removal system A portable masonry saw comprises an upper frame assembly; a lower frame assembly secured to the upper frame assembly; a gasoline engine for driving a cutting blade of the saw, secured to a mounting deck; connected to the upper frame assembly; resilient su... | 08/14/2001 |
| 6170478 | Process and apparatus for cutting a chamfer in concrete A concrete cutting saw and the process of using the concrete cutting saw for making a 45° chamfer cut at an edge of a 90° cut through a concrete wall. The process includes the steps of cutting a 90° cut through a concrete wall with a 90° saw mounted o... | 01/09/2001 |
| 6167879 | Process for producing non-slip floor covering Non-slip floor covering and method of producing a non-slip floor covering. The non-slip floor covering includes a plurality of depressions that are regularly or randomly distributed over a floor covering surface such that the depressions provide a suction... | 01/02/2001 |
| 6155245 | Fluid jet cutting system and method A fluid jet cutting system structured to make desired quality cuts in a solid material such as stone, granite, steel and/or marble, the system having a positioning assembly which positions the solid material in a cuttable orientation over a fluid reservoi... | 12/05/2000 |
| 6131557 | Two stage variable speed control for concrete saw A saw for cutting an extruded, prestressed concrete slab having a length, a width and a thickness includes a framework assembly movable along the length of the concrete slab. A carriage system is rotatably supported from the framework assembly about a fir... | 10/17/2000 |
| 6092517 | Concrete surface trimming apparatus An apparatus which is rugged and simple to use, and which can finish shot-crete to an acceptable flatness and finish is disclosed. The efficient mechanical apparatus eliminates the need for skilled hand finishing of concrete or another slurry sprayed on a... | 07/25/2000 |
| 5921228 | Multi-directional, self-propelled saw for cutting concrete slabs A saw for cutting an extruded, prestressed concrete slab having a length, a width and a thickness includes a framework assembly movable along the length of the concrete slab. A carriage system is rotatably supported from the framework assembly about a fir... | 07/13/1999 |
| 5666939 | Soft concrete saw In order to cut soft concrete before it has completely hardened, or about 12 to 18 hours after finishing, a rotating cutting blade and its drive motor are mounted on a wheeled support platform. The blade extends through a slot in the platform, and also th... | 09/16/1997 |
| 5514027 | Sanding head for a sanding machine A sanding head for a rotary sanding machine. The sanding head includes a rotatable disk and a plurality of abraders. The disk has a bottom surface and an outer circumferential edge. The bottom surface of the disk has uniformly distributed topographical va... | 05/07/1996 |
| 5365915 | Tile cutting tool A tile cutting tool including two opposing cutters integrally and respectively extended from two pivoted blades and disposed in reversed directions, two jaw plates respectively fastened to the cutters at one side, a cutting wheel fastened between the cutt... | 11/22/1994 |
| 5172681 | Reciprocating point rotary diamond trueing and dressing tool and method of use There is provided a tool for trueing and dressing a variety of grinding wheels to an open and aggressive surface condition, comprising a wheel having a thin layer of diamond particles in a plane oblique to the rotational axis of the tool. There is also pr... | 12/22/1992 |
| 5065733 | Dressing tool for form dressing of a grinding wheel A dressing tool for form dressing of a grinding wheel comprising a cylindrical body 22 having an open groove 32 formed at one end; said open groove 32 adapted for insertion, seating, and clamping of a chisel-edge diamond 36; said chisel-edge diamond being... | 11/19/1991 |
| 4938201 | Saw for cutting uncured concrete In order to cut soft concrete before it has completely hardened, or about 12 to 18 hours after finishing, a rotating cutting blade and its drive motor are mounted on a wheeled support platform. The blade extends through a slot in the platform, and also th... | 07/03/1990 |
