| 摘要 |
PROBLEM TO BE SOLVED: To provide a height adjustment device for furniture with a simple structure capable of performing adjustment of height by easy operation. SOLUTION: An adjustment cylinder 18 for height adjustment is fitted to an upper part of a caster shaft 6 downwardly projectedly provided on a lower end of a leg 1 of the furniture, and a female screw part 19 provided on an inner surface of the adjustment cylinder 18 is thread-engaged with a male screw part 17 provided on the upper part of the caster shaft 6. A wheel support 7 of the caster 5 is vertically movably attached to the caster shaft 6 downwardly projected from a lower end of the adjustment cylinder 18 rotatably around the caster shaft. COPYRIGHT: (C)2008,JPO&INPIT
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