(57) @ The invention relates to a coupling point for central air-extraction systems, and
comprises: a base (2), fixed either direct to the wall or to the open side of a pattress
(20) and having a hollow cylindrical socket (3); a base-insert (5) whose rear face
exhibits a protruding tubular element (6) which fits coaxially into the hollow cylindrical
socket (3); a flat shutter (8) which slides transversely across the open front end
of the tubular element (6), is provided at one end with a hole (9) of diameter no
less than the internal diameter of the tubular element (6), and is guided by a retaining-component
(11) fitted to the front of the base-insert (5); and an outer panel (12) fitted over
the retaining-component (12).
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