Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8147531 | Compression pin with opposed threaded regions A compression pin for urging two bone regions together includes a pin body having a distal end, an opposed proximal end, a first threaded region, and a second threaded region. The first threaded region is positioned near the distal end, and the second threaded regio... | 04/03/2012 |
| 7370851 | Damping system of a glove box A damping system of a glove box using a damper and a wire. The damper is attached to the glove box. An end of the wire is fixed to a fastener on a lower panel. Thereby, when a field problem occurs, the damper is mounted and demounted with ease. ... | 05/13/2008 |
| 7338247 | Quick release fastener A releasable fastener for releasably engaging a bolt body has a generally cylindrical sleeve member having an inner surface closely spaced from an outer surface of the bolt body. A latch member having a contact surface is mounted on the sleeve member for movement be... | 03/04/2008 |
| 7172380 | Wheel nut assembly A wheel nut assembly includes a stud (1), a main wheel nut (4) mountable on threads (3) provided on the stud, and a retaining nut (6) engageable with threads (5) provided on the stud to prevent accidental loosening of the wheel nut... | 02/06/2007 |
| 5855463 | Bolt and nut thread friction locking device with opposite hand threads with a captured spring or spring lock washer A friction thread locking device assembly consisting of several components, which are so constructed and assemble to resist the rotational effects of vibration forces. The resistance is achieved by the use and placement of opposing threads (right and left... | 01/05/1999 |
| 5544991 | Locking frustrum nut A two-piece locking nut which includes a first nut (22) having an internal thread and a frusto-conical surface (32) at one end of said first nut, a second nut (28) having an internal thread of opposite hand as the thread of said first nut and a frusto-con... | 08/13/1996 |
| 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 |
| 4216603 | Fishing reel seat Disclosed is a fishing reel seat of the type adapted to attach a fishing reel to a fishing pole and having a stationary ring and a moveable ring adapted to receive the two tangs of the fishing reel. Compound screw threads are formed around the circumferen... | 08/12/1980 |
