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 |
| 4041583 | Yarn texturing jet A self stringing jet device for fluid texturing yarn having a yarn needle slidably mounted in the jet body for movement from a preset operating position to a stringup position and back to the preset operating position wherein the pressure of the fluid ret... | 08/16/1977 |
