| 摘要 |
A computer keyboard support system that includes an articulating arm with first and second pivot couplings spanning between pairs of parallel lock plates and links, the lock plates to be clamped against the links and ends of the pivot couplings by operation of a lock bolt that is arranged for manual operation to maintain articulating arm positioning, as set at the first and second pivot couplings. The first pivot coupling is mounted to a top plate that is arranged for fitting into a track that is mounted to an undersurface of a work table, allowing the top plate and connected articulating arm to be pulled outwardly from the table edge. Which track may also accommodate a height adjustable document holder. The articulating arm is vertically movable around the first pivot coupling to be lowered from a horizontal attitude, with the second pivot coupling arranged with a keyboard holder mount as the second pivot coupling that may be tilted to provide a tilt that is up to a negative nine (9) degrees from the horizontal a keyboard holder or mouse pad connected thereto. The keyboard holder is to accommodate a computer keyboard maintained thereon and may provide for connecting a mouse pad thereto to extend outwardly from the side or opposite sides of the keyboard holder. The mouse pad may be fixed or arranged to tilt from the horizontal, and the keyboard holder, along a forward edge, preferably includes a height adjustable palm rest that can include a padded top surface.
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