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 |
| 6971932 | Marine inboard/outboard system A marine vessel is provided having a stern drive attached to the transom of the vessel. An actuator is provided for adjusting the pitch of the stern drive relative to the transom of the vessel. The stern drive is mounted on the transom of the vessel such that a driv... | 12/06/2005 |
| 6562206 | Anode assembly A propeller attachment is disclosed including a body, the body including an anodic material, at least one projection projecting from the body, and a fastener coupled to the body. An anode is also disclosed including an annular body constructed from an ano... | 05/13/2003 |
| 6537114 | Adjustable swim fin Spear-bladed swim fins provide new means by which divers may propel themselves through the water. Spear-bladed swim fins generally provide a lower surface area to a higher perimeter edge length. By reducing the effective surface area of the swim fin, more... | 03/25/2003 |
| 4927391 | Shift means for marine propulsion device A marine propulsion device comprising a pivot housing adapted to be mounted on a boat transom for pivotal movement relative to the boat transom about a generally vertical steering axis, and for pivotal movement relative to the boat transom about a general... | 05/22/1990 |
| 4781633 | Retractable drive mechanism for marine vessels Disclosed is a drive assembly for mounting on a marine vessel, movable between first and second configurations. In the first configuration, the drive assembly, which may include a propeller, is at least partially withdrawn from the water. In the second co... | 11/01/1988 |
| 4650428 | Marine propulsion device with floating drive shaft A marine propulsion device comprising a mounting bracket adapted to be mounted on the transom of a boat, and a propulsion unit pivotally mounted on the mounting bracket for pivotal movement relative to the mounting bracket about a generally vertical steer... | 03/17/1987 |
| 4634389 | Vessel having demountable submerged propeller unit The invention concerns a hull and a submerged propeller unit demountably fitted to the hull and continuously rotatable through 360° of azimuth relative to the hull to give full thrust in any required direction. An aperture in the hull is surrounded by a ... | 01/06/1987 |
| 4430035 | Fastener driver head and tool and coupling therebetween A coupling arrangement includes a fastener driver head and a mating tool drive socket. The fastener driver head comprises a substantially circular disc-shaped base portion, a plurality of frustoconical portions integrally formed with the base portion and ... | 02/07/1984 |
