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 |
| 7478986 | Lockable nut system A lockable nut system for use with threaded steel bar which includes a screw threaded nut for engagement with the threaded steel bar and a locking member which is slidably engageable with the bar. The locking member is adapted to resist rotation about the bar and is... | 01/20/2009 |
| 7316533 | Fastener for exerting tightening torque to fastening member screwed into mounting base An object of the present invention is to provide a fastener made compact on the whole and capable of producing a strong fastening strength. To attain the object according to the invention, there is provided a fastener for being fitted to a fastening member (B) while... | 01/08/2008 |
| 7223076 | Propeller shaft and a propeller adapted thereto Propeller shaft (2) and a propeller (7) for marine drive units. The shaft has a splines portion (3) on which the propeller is designed to be fixed. The shaft also has a threaded portion (10) for a lock nut between the shaft end and the sp... | 05/29/2007 |
| 7213890 | Wheel hub assemblies with anti-rotate feature for use with zero-radius-turning vehicle The present invention provides a hub assembly and a hub fastener anti-rotate apparatus for securing a wheel of vehicle (e.g., a zero-radius-turning lawn mower) to a vehicle drive axle. The anti-rotate apparatus may assist in preventing or substantially limiting loos... | 05/08/2007 |
| 7029218 | Locking fastener for threaded joint with sight gauge A locking fastener assembly having a threaded member with a slot, a threaded rotatable fastener having a flange, the flange having a periphery and including at least one aperture extending through the flange, wherein the threaded rotatable fastener is engageable wit... | 04/18/2006 |
| 5967723 | Nut and bolt locking system A nut and bolt locking system including a bolt having an anti-lock threaded shaft receiving a lock washer thereon with a plurality of spaced ears and mating anti-lock configuration. A nut threads onto the bolt shaft after placement of the washer thereof. ... | 10/19/1999 |
| 5395192 | Locking nut assembly for bearing hub of four wheel drive vehicle Locking nut assembly for a bearing hub of a four wheel drive vehicle. The hub is externally threaded hub and has a longitudinally extending slot, and a nut is threadedly mounted on the hub. A retainer fits over the nut and has a multi-sided peripheral fla... | 03/07/1995 |
| 5391032 | Reusable positive bolt locking device A reusable positive locking device having a nut threaded onto a bolt shank to a certain closure position wherein a locking element is screwed onto the bolt shank against the nut and a crown element cupped over the end of the bolt shank is screwed onto the... | 02/21/1995 |
| 5362111 | Anti-rotation locking device for preventing separation of coupling nuts from fluid lines A spring clip having two apertured end portions. In the preferred embodiment, the first end portion has an unidirectional clutch formed into the aperture wall, or face. The second end portion provides an aperture wall formed to provide an anti-rotation fe... | 11/08/1994 |
| 5141374 | Lock nut device A lock nut device consists of a lock nut (22) and a lock spring (31). The spring is bent into an U-shape and extends in a axial plane over the nut. It has spring legs (32) lying in grooves (25) in the nut and has end portions formed for engagement with th... | 08/25/1992 |
| 4812094 | Locking fastener assembly for threaded joint A locking fastener assembly for axle bearings and the like is free spinning during tightening and removal and is positively held against rotation after installation. The assembly is engageable with an axially slotted male threaded member and includes a nu... | 03/14/1989 |
| 4643606 | Locking fastener In the invention, a noncylindrical sleeve deforms when a cylindrical nut is threaded into it. The deformation inhibits rotation of the nut because the sleeve is restrained against rotation.... | 02/17/1987 |
| 4529346 | Securing assembly for a threaded member A locking and securing means is disclosed which includes a base member, a threaded member and a sprocket. The base member defines vertically extending fingers with gaps therebetween and a threaded bore. The threaded member with a flat or irregular shape o... | 07/16/1985 |
| 4493597 | Nut lock assembly A removable reusable nut lock system (10) of the locking cap type for positively selectively removably retaining a standard nut (12) on the externally threaded end of a shaft (14) is provided. The lock nut assembly comprises an internally threaded bore (2... | 01/15/1985 |
| 4286807 | Screw coupling safety mechanism A screw coupling safety mechanism to prevent unintentional loosening of the sleeve nuts is disclosed. The safety mechanism is formed from a first toothed disc and a second toothed disk each preferably with the same diameter. Safety catches are arranged on... | 09/01/1981 |
| 4092080 | Anti-rotation lock for threaded connection For adjustable length linear rods, such as the rods of linear actuators, employing threadedly connected internally threaded female and externally threaded male members, an antirotation lock is provided which includes a pair of semi-circular keys each incl... | 05/30/1978 |
