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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 |
| 7191637 | Method for testing vibration dampers in motor vehicle A method of testing a vibration damper mounted between a body and a wheel in a motor vehicle includes the steps of storing a parameter which corresponds to the damping force of a new vibration damper in a memory unit, wherein the parameter is the cushioning work of ... | 03/20/2007 |
| 7162399 | System for and method of selecting pneumatic device, and recording medium A pneumatic device selection system has a computer, first through sixth databases connected to the computer and storing data of at least pneumatic devices, a coordinate input unit and a keyboard connected to the computer, for entering input data based on an input ac... | 01/09/2007 |
| 7047791 | Vibrating device for hydraulic shock absorber The vibrating device comprises, a vibrating table 3 vibrating upwards and downwards with respect to a vibrating platform 2, and a lower side installation section 4 provided on the vibrating table 3 and having a hemispherical recess surfac... | 05/23/2006 |
| 6161419 | Process and device for determining the characteristics of a motor ' vehicles built-in shock-absorbers A process is proposed for determining the characteristics of a motor vehicle's built-in shock absorbers. The vehicle is driven onto a ramp support which is then quickly removed, causing the vehicle to drop onto a base whose distance below the ramp support... | 12/19/2000 |
| 5756877 | System for inspecting vehicular shock absorber The invention inspects a shock absorber installed in a vehicle between a vehicle body and a road wheel by manually moving the vehicle body in a generally vertical direction of the vehicle until the vehicle body initiates vibration in the vertical directio... | 05/26/1998 |
| 5567866 | Side load tester A side load device for testing, for example, shock absorbers, in which an air actuator selectively moves an element to impose a side force on a product under test.... | 10/22/1996 |
| 5325700 | Railcar cushion device tester and method A railcar cushion device is tested by applying a force necessary to move the cushion device in a controlled motion at a predetermined velocity or velocities according to a motion profile. The cushion device's performance is analyzed by measuring the force... | 07/05/1994 |
| 4355532 | Apparatus for testing damping forces of shock absorbers A damping force produced by a shock absorber being tested is detected and converted into an electric analog signal for deciding whether the damping force is acceptable or not. The shock absorber is mounted between a slider operatively connected to a motor... | 10/26/1982 |
