20140183430 | JACK FOR DISASTER RELIEF - A jack for disaster relief includes a hydrogen gas supply structure for heating a hydrogen absorbing alloy by means of a heat source and supplying a hydrogen gas absorbed in the hydrogen absorbing alloy, and an operation structure to be extended by a pressure of the hydrogen gas supplied from the hydrogen gas supply structure, to carry out an operation for lifting an object to be jacked up. The operation structure includes an operation base and a jack portion having an operation space sealed therein. The jack portion is configured to be extensible between a standby posture in which a pushup portion is stored and an extension posture in which the pushup portion is protruded upward from the operation base, and the whole operation structure can be held in a flat shape in a state in which the jack portion is retracted into the standby posture. | 07-03-2014 |