| 摘要 |
A keyboard support mechanism employs a mounting member adapted to be fixed to a base, such as a desk or table top; a support adapted to support a keyboard; upper link having its front and rear ends connected to the support and mounting member by first and second pivot pins; a lower link having its front end connected to the support by a third pivot pin and its rear end formed with a bearing surface slidiably and pivotally enagaging the second pivot pin; and a locking device for selectively maintaining the support at a desired vertical position relative to the mounting member, wherein such locking device includes a downwardly facing planar locking surface on the mounting member and an upwardly facing curved locking surface on the rear end of the lower link.
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