| 摘要 |
PROBLEM TO BE SOLVED: To provide a level difference eliminator formed by mounting a table with a guide hardware to one end of a chain built in a gear provided at the upper part of a post, and mounting a counterweight to the other end. SOLUTION: In the post 4 with a base plate 1 mounted to the lower part and with the gear 3 with a motor including the chain 2, built in the upper part, the table 6 with the guide hardware 5 is connected to one end of the chain, and the counterweight is mounted to the other end. COPYRIGHT: (C)2006,JPO&NCIPI
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