To accomplish a certain stair-lifting vehicle by adding a safety device in order to safely and smoothly raise a person and a baggage upstairs and lowers them downstairs, aiming at simple and rigid structure, in the stair-lifting vehicle continuously and smoothly lifting up/down any stairs without requiring switching operation such as midway clutch operation and various controls and automatically maintaining horizontal of a chair and a load-carrying platform not relying upon motive power.
The vehicle lifting up/down the stairs is provided with a gear mechanism of the stair-lifting vehicle not requiring the switching operation and various controls; an automatic horizontal level maintenance mechanism of the chair and the load-carrying platform not relying upon the motive power; and the wheel and the safety device applied to articles other than the stair-lifting vehicle.
JP2002059844A | 2002-02-26 | |||
JP2002035039A | 2002-02-05 | |||
JPH0872501A | 1996-03-19 |
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