| 摘要 |
A retractable power center (100) for providing conveniently located electrical power source receptacles (138) is adapted to be mounted in a work surface (101) such as a desk top or similar article. In one embodiment, the power center (100) includes a rectangular housing (102) received within a slot (107) formed in the work surface (101), a clamping arrangement (124, 126) to secure the housing (102) to the work surface (101) and a lower extrusion (112) connected to the lower portion of the housing (102). A movable power carriage (132) mounts the receptacles (138) and a catch assembly (160, 162) releasably maintains the carriage (132) in a closed, retracted position. In response to manual activation, the catch assembly (160, 162) is released and springs (152) tensioned between the carriage (132) and extrusion (112) exert forces so as to extend the carriage (132) upward into an extended, open position. In the open position, the user can energize desired electrical devices from the receptacles (138) and then lower the carriage (132) into the releasably secured, retractable position.
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