| 摘要 |
The retractable table has a single, centrally disposed, vertical lift column formed of a relatively large number of relatively short sections. The relatively short sections permit the table to retract into a relatively shallow receptacle, thus obviating need for a deep well to house the column when retracted. Column actuation may be achieved by various principles of operation, including hydraulic cylinders and helically threaded sections which are rotated to extend and retract the tabletop. The table has an anti-rotation feature to prevent rotation of the tabletop relative to the underlying receptacle in which it stores. The retractable table may be provided as a "drop-in" installation, with the installer needing only to cut the required opening in the deck or floor of the vehicle in which the table is being installed, run appropriate wiring, and secure the table and its mechanism and receptacle in place.
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