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 |
| 6539820 | Method and system for transmission utilizing centrifugal clutch to overcome transmission tooth-butt A control system/method controls a vehicular automated transmission system so as to overcome a tooth butt condition. The automated transmission system including an internal combustion engine having an engine output member, a multiple speed change gear tra... | 04/01/2003 |
| 5725449 | Impact pulley An impact pulley apparatus and method are provided for use with a high-speed media processing apparatus by driven attachment to the rotatable shaft of a motor associated therewith to absorb impact energy caused by the high-speed media processing apparatus... | 03/10/1998 |
| 4742722 | Inertial transmission A transmission unit is provided for converting torque to angular velocity and angular velocity to torque using angular momentum. The conversion is automatically accomplished in a stepless fashion using inertial masses which, preferably, move along spheric... | 05/10/1988 |
| 4062245 | Motion restraining device A motion-restraining device for dissipating at a controlled rate the force of a moving body. The device is characterized by a drive shaft adapted to be driven in rotation by a moving body connected thereto through a tape wound about a reel mounted on the ... | 12/13/1977 |