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 |
| 7234537 | Sonic drill A sonic drilling apparatus having a work piston within a cylinder chamber to provide a vibratory force through the alternate application of fluid under pressure into the bore above and below the piston in a manner that the piston will be forced to reciprocate within... | 06/26/2007 |
| 7201302 | Driver blade with auxiliary combustion chamber for combustion powered fastener-driving tool A driver blade for use in a combustion-powered fastener-driving tool includes an elongate tubular body having a combustion end and a driving end, the combustion end being configured for attachment to a piston, and the driving end having a substantially solid cross-s... | 04/10/2007 |
| 7156189 | Self mountable and extractable ultrasonic/sonic anchor Self drilling anchors and related methods and apparatus. In one embodiment an apparatus comprises a drill bit, a hammer mechanism for hammering the drill bit in a first direction and in a second direction, and a selection mechanism for controlling whether, at a give... | 01/02/2007 |
| 7062803 | Furniture headboards and footboards Disclosed is a bedstead board having at least one recess near a first or a second side. The at least one recess is configured to removably receive a roller of a patient transport system. In use, two bedstead boards are connected to a bed frame. Each of the two bedst... | 06/20/2006 |
| 6655249 | Hammer (tool machine), specifically intended for impact cutters for cutting sections of wire and/or rods In order to avoid the recoil of the striker in a hammer device (tool machine) with a striker (18) that can be accelerated to strike velocity, and a tool carrier (14) receiving the impact of said striker, the invention proposes to arrange the striker (18) ... | 12/02/2003 |
| 5083499 | Impact motor with improved sealing of a drive piston An impact motor comprises a housing (10) with a cylinder (11) therein, in which a reciprocating drive piston (40) via a gas cushion in a working chamber (44) of said cylinder (11) repeatedly drives a hammer piston (15) to impact on and to return from the ... | 01/28/1992 |
| 4512417 | Hydraulic reciprocating device This invention pertains to a hydraulic reciprocating device having a housing and a piston in the housing. The piston has a first and second surface, and a means for intermittently communicating the first surface of the piston with a hydraulic pressure sou... | 04/23/1985 |
| 4379475 | Wedging apparatus useful for log splitting Two elongated members are coaxially movable relative to one another with one member rigidly attached to a working head such as an elongated wedge or the like. In one embodiment, the inner member is fixed to the working head while the outer member movably ... | 04/12/1983 |
| 4254808 | Wedging apparatus useful for log splitting Two elongated members are coaxially moveable relative to one another with one member rigidly attached to a working head such as an elongated wedge or the like. In one embodiment, the inner member is fixed to the working head while the outer member moveabl... | 03/10/1981 |
