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A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person
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| Number | Title | Issue Date |
| 4664405 | Tractor power lift with a mechanical disconnect to power source On a tractor having a main frame channel that includes an overhead wall and depending side walls and a lift arm mounted on a rockshaft for raising and lowering a tractor-supported implement, a power means for rocking the rockshaft with a lost motion conne... | 05/12/1987 |
| 4537260 | Apparatus with rear and front power lift, common regulating and control elements, and changeover valve An apparatus for a tractor having a rear and front implement attachment mechanism. Each such mechanism has a hydraulic power lift which acts on it. The power lifts have in common a regulator and control device with a changeover valve. By activating this c... | 08/27/1985 |
