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 |
| 6313731 | Pressure sensitive direction switches Pressure sensitive direction devices are provided which may facilitate assembly and provide higher tolerance for variation in alignment of components while still providing for pressure sensitive direction detection. The devices of the present invention ma... | 11/06/2001 |
| 6201468 | Deflection sensor A low cost analog deflection sensor assembled from a single component part which lends itself for use as a joystick. A central contact is surrounded by peripheral contacts and aligned by a dielectric spacer. Application of deflectional force results in on... | 03/13/2001 |
| 5973383 | High temperature ZrN and HfN IR scene projector pixels A structure and method of making resistive emitting members which exhibit high resistivity while at the same time providing high temperature operation significantly above that known in the art. Specifically the use of nitrides of Group IVB transition meta... | 10/26/1999 |
| 5079536 | Pressure transducer for musical instrument control A pressure-to-conductance transducer, which avoids dependency on pressure-sensitive properties of particulate materials which may be difficult to formulate in stable form, utilizes instead the principle of translating applied pressure into variation of ar... | 01/07/1992 |