| 摘要 |
PROBLEM TO BE SOLVED: To provide playing equipment which achieves a smaller installation space along with less production costs and moreover, enables babies to utilize it at ease in the diversification of a type supplied for the babies. SOLUTION: The playing equipment is provided with a support base 2 disposed properly on an installing surface G, a sheet body 10 engaged onto the support base 2 being tensed so as to form a closed space 15 in between with the support base 2, an air feeding mechanism 20 for feeding air into the closed space 15 and a driver 30 which is disposed on the support base 2 in the closed space 15 and has engaging members 33 and 36 engaged onto the internal surface of the sheet body 10 and is reciprocated in the direction of movement into the closed space 15 or outward from it. Outside air is fed into the closed space 15 so that the sheet body 10 is swelled outward being tensed while the engaging members 33 and 36 of the driver 30 are reciprocated to get the sheet body 10 sunk inward or swelled outward. COPYRIGHT: (C)2007,JPO&INPIT
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