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 |
| 5540549 | Fluid damping devices The invention relates to a fluid device for providing high load carrying capacity in an one direction and which provides a high level of damping along a substantially perpendicular direction. This is achieved by a device which includes an inner member and... | 07/30/1996 |
| 5284330 | Magnetorheological fluid devices This invention relates to sealless designs of magnetorheological fluid dampers. With these sealless designs a piston rod extends above and below a piston head within a cylindrical housing and has frustoconical elastomer elements attached to and between th... | 02/08/1994 |
| 5277281 | Magnetorheological fluid dampers Magnetorheological (MR) fluid dampers are optimized. Dimensional relationships involved in the flow of magnetic flux are related to an operational parametric ratio of magnetic flux density in the fluid to the flux density in the steel. A magnetic valve is... | 01/11/1994 |
| 5257680 | Surface effect dampers having both hysteresis and a frictional component Several improved embodiments of surface effect dampers that produce a damping force including both hysteretic and frictional components. Various improvements include an amplitude sensitive feature or decoupler mechanism to eliminate or greatly reduce the ... | 11/02/1993 |
