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A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
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| Number | Title | Issue Date |
| 5114073 | Wheel and rail assembly A laterally stable and self-turning wheel and rail assembly. The curved rolling surfaces of the wheels bear against curved contact surfaces of the rails such that centrifugal force causes lateral translation of the wheels on the rails, thereby increasing ... | 05/19/1992 |
| 3942720 | Method and apparatus for controlling the movement of a vehicle along a prescribed path A vehicle path controller has a plurality of cylindrical support rollers arranged in section(s) with each roller axis (of rotation) substantially parallel to and along the prescribed path. An entrance ramp is positioned adjacent the initial roller section... | 03/09/1976 |
