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 |
| 7255291 | Multifunctional sprinkler structure A multifunctional sprinkler structure comprises a water motor having an outlet seat and a top cover mounted to a top-end side, and two adjusting seats and a water supply seat assembled onto a bottom-end side. The bottom-end side of the water motor has a guide groove... | 08/14/2007 |
| 6722581 | Synthetic jet actuators A first embodiment of the present invention provides a vortex generator in the form of a flexible piezoelectric actuator blade disposed in a wall of a flowpath, such as an airfoil. Another embodiment provides a synthetic jet actuator in which a pair of bimorph piezo... | 04/20/2004 |
| 6695231 | Irrigation system for growing plants at a growing facility A drip irrigation system is disclosed for delivering an irrigation fluid from an irrigation fluid supply source to one or more plants and includes at least one pressure regulation device in fluid communication with the irrigation fluid supply source, at l... | 02/24/2004 |
| 6631860 | Guide member for a liquid jet to be deflected The guide member (1) for a liquid jet (30) to be deflected allows a liquid (3) after flowing out of a container (2) to be deflected onto a target (5; 7) which is located below the container. The deflecting takes place by means of a shaped material plate (... | 10/14/2003 |
| 5762005 | Wedge splash plate for kraft recovery furnace black liquor burners A wedge shaped form is mounted on the splash plate of a black liquor nozzle with the sharp edge of the wedge located at the exhaust of the nozzle to split the black liquor from the nozzle into two flat sheets on each side of the wedge with no droplet form... | 06/09/1998 |
| 5685484 | Pressurized water toy having a pressure actuated pulsator A pressurized water toy providing a pressure actuated pulsator for shooting water in consecutive pulses. The pressure actuated pulsator includes expansible inlet and outlet tubing, a reservoir for the temporary retention of water, and a sphere-shaped obtu... | 11/11/1997 |
| 5048496 | Fuel injection system for engine and method for injecting fuel A fuel injection system of an internal combustion engine including air introducing passage device extending in one direction for introducing auxiliary air under pressure, annular fuel passage of a disc-like space extending radially outwardly from the air ... | 09/17/1991 |
| 4858829 | Universal advancement deflector for impact irrigators A universal advancement deflector for impact irrigators, comprising a cylindrical surface portion (15) pivoted about an axis (11) spaced from its barycenter, and urged towards the irrigation jet so that it becomes inserted therein with one of its edges an... | 08/22/1989 |
| 4843770 | Supersonic fan nozzle having a wide exit swath A pair of guide plates or deflectors are secured adjacent the exit of a discharge nozzle body. The body includes a circular inlet portion converging to a flattened, rectangular passageway. The guide plates are secured adjacent the exit of the flattened pa... | 07/04/1989 |
| 4842199 | Self-adjusting rotary-arm irrigation sprinkler A self-adjusting rotary-arm irrigation sprinkler comprises an intermediate piece (8) between the propulsion tube (1) and rotary arm (13), which supports the rotary arm and the position of which is adjustable in height relative to the propulsion tube by me... | 06/27/1989 |
| 4828182 | Spray nozzle assembly with recessed deflector A spray nozzle assembly including a hollow nozzle body having an air inlet orifice through which a pressurized air stream is directed into the body, a liquid inlet orifice through which a pressurized liquid flow stream is directed into the body, an imping... | 05/09/1989 |
| 4681263 | Low profile sprinkler head A low profile sprinkler head has a circular cup-like base with a threaded male coupling for attaching to a buried water supply pipe and an axial bore therethrough. The base includes a plurality of openings to permit sand and debris to fall therethrough. A... | 07/21/1987 |
| 4396150 | Solar controlled irrigation system System for the supplying of water for the irrigation of plants is controlled by both solar radiance and ambient temperature so that water is supplied to the irrigated plants as a better function of their needs.... | 08/02/1983 |
| 4205788 | Sprinkler head with improved combined stream coherency diffuser and distance control baffle member A step-by-step rotary sprinkler having a combined stream coherency diffuser and distance control baffle member formed of sheet metal to include an arm portion disposed generally vertically having an aperture extending horizontally through one end thereof,... | 06/03/1980 |
| 4014471 | Hose nozzle diverter A nozzle for coupling a diverter to a hose for the purpose of changing the water stream from the hose into a spray by adjusting the position of the diverter. The nozzle is made out of plastic in one piece and may be connected to a conventional garden hose... | 03/29/1977 |