| 摘要 |
A desk comprising a top plate supported by a plurality of expansible leg support posts wherein a height of said top plate can be varied within a predetermined range through a height adjust mechanism. The height adjust mechanism makes use of said leg support posts and can adjust an expansible amount of said leg support posts individually within a range greater than or equal to said predetermined range. Each of the leg support posts comprises a support post member and a grounding member arranged at the lower end of the support post member, allowing a movement to protrude or recede. Said grounding member further comprises a handling portion, and said height adjust mechanism comprises a screw means which helically connects said support post member and said grounding member. Said screw means provide an up and down movement through an operation of said handling portion, wherein the desk further comprises a cover mounted on said support post member with the upper end thereof allowed to make a sliding movement up and down. Said cover is so arranged that a lower end thereof covers said grounding member and said handling portion.
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