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 |
| 4561247 | Hydrodynamic transmission reversal control A control system for a drive apparatus which includes an engine and a hydrodynamic transmission with the latter including a forward hydraulic torque converter, a reverse hydraulic torque converter, and means for selectively filling either of the torque co... | 12/31/1985 |
| 4391096 | Hydrodynamic reversing transmission A hydrodynamic reversing transmission wherein each of the forward and reverse drive trains between the input and output shafts has a starting torque converter with a stationary housing, a rotary turbine wheel and a set of adjustable guide vanes. The drain... | 07/05/1983 |
| 4184330 | Hydrodynamic reversing transmission A hydrodynamic reversing transmission for earth moving vehicles, forklift trucks or locomotives wherein the degree of filling of each torque converter of the forward drive train is controlled simultaneously with the degree of filling of the corresponding ... | 01/22/1980 |
