| 摘要 |
A folding keyboard is described having keyboard sections, each bearing a subset of keys of the keyboard, and a slider mounted to one of the keyboard sections bearing a row of keys of the keyboard section, the slider movable between a first position withdrawn into the keyboard section behind a pivot axis so as to facilitate folding of the keyboard into a closed position, and a second position, corresponding with an open position of the keyboard, extended beyond the pivot axis to nest with a corresponding notch in the other keyboard section, so that the subset of keys of the slider are in a configuration for use when in the nested position. A key of each of the keyboard sections positioned at the abutting edges thereof are narrowed, from the standard width of other of said keys, along the edge thereof adjoining the abutting edges, so that the abutting edges are straight edges when the slider is in the withdrawn position, allowing a straight edge at the folding side of the keyboard.
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