| 摘要 |
An electrically-operated folding stage system which embodies the invention in one preferred form comprises (a) a stage body with (i) a platform, (ii) plural rows of upright legs pivotally connected to a bottom of the platform, and (iii) plural connecting members each located along a line connecting lower portions of the legs of one row for connecting the legs to one another, (b) wheels connected to bottoms of foremost ones of the legs to facilitate movements of the stage body on a floor, (c) plural geared motors fixed to the bottom of the platform and each capable of being rotated in either of opposed directions to move the stage body between a horizontal position on the floor and a vertical position immediately adjacent to a wall, each of the geared motors having an output shaft, (d) swing arms each having one end fixed to the output shaft of one of the geared motors, and (e) support means each provided in conjunction with one of the swing arms and located on a given position predetermined in relation to a lower portion of the wall for pivotally supporting an opposed end of the swing arm. The swing arm may comprise a pair of integrally formed tubes and a pair of rods slidably disposed in the respective tubes.
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