| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid supply device which eliminates the need of a power source, has relatively small weight and volume, and stably supplies a liquid.SOLUTION: A liquid supply device includes: a first support member; a second support member; a balloon in which one end is supported by the first support member and the other end is supported by the second support member; and a case having a constant longitudinal length. The balloon is disposed in the case and is formed so as to retain a liquid therein and discharge the retained liquid. When the balloon retains the liquid, the one end and the other end of the balloon are positioned in the case.SELECTED DRAWING: Figure 1 |
