| 摘要 |
A versatile helmsman chair is installed on a yacht in a cabin which serves both as a pilot house and a lounge. This helmsman chair is adjustably supported to be used at normal seating height above the lounge deck and to be rotated in any direction when a yacht is docked or anchored, and to be used at an elevated seating height above the lounge deck providing the helmsman with an excellent view, when the yacht is underway. This helmsman chair is distinguishable from others with respect to an electrically powered screw jacking gear assembly pivotally supporting the helmsman chair in the selective positions at and between the docked or anchored and underway positions.
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