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An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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| Number | Title | Issue Date |
| 7021220 | Railway vehicle and method for operating vehicle A railway vehicle includes an air intake 6 provided at a nose portion of a leading vehicle 1, an air tank (reservoir) 9 for storing intake air, and an air outlet 11, by which air is sucked in (breathed in) during entry of the leading vehi... | 04/04/2006 |
| 5909710 | Air-levitated train A vehicle system for high-speed passenger transport between metropolitan centers comprises a guideway having a pair of parallel guideway tubes; a plurality of carriages levitated and propelled by pressurized air stored within one or both tubes; and a pass... | 06/08/1999 |
| 5560300 | Skate train To provide a railroad car design that allows the car to travel at high speeds over current roadbeds at very low fuel costs per mile a special rail is formed. This rail has the form of a wave shaped on its top with the troughs and crests of the wave repeat... | 10/01/1996 |
| 4337842 | Vehicle powered by air pressure engine An automotive vehicle that is powered by compressed air instead of by gasoline; the vehicle including air tanks that are filled with compressed air, while controls on a dashboard operate valves for flowing the air into cylinders of the vehicle engine in o... | 07/06/1982 |
| 4086856 | Apparatus employing an intermediate vehicle for operably intercoupling a tractor or the like with railroad cars An intermediate vehicle intercouples a tractor or the like with an ordinary railroad car for shuttling a number of railroad cars along the rails for purposes of loading, switching, and spotting of same. The intermediate vehicle is supported by rail wheels... | 05/02/1978 |
| 3958513 | Automatic fluid motor railway car recharging A railway vehicle having pneumatic actuated devices connected to a pneumatic system including a refillable supply tank connected to the control and actuation elements of the pneumatic devices is provided with a device for coupling the supply tank to a sou... | 05/25/1976 |
