Off-mains switch and a control box for electrically driven articles of furniture
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United States of America Patent
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Nov 12, 2013
Grant Date -
Oct 29, 2009
app pub date -
Mar 19, 2007
filing date -
Mar 18, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
An off-mains switch (14) and a control box (15) for electrically adjustable articles of furniture, such as beds, chairs or tables, which automatically interrupt the connection to the power supply when the article of furniture is not adjusted, such that this will not constantly be under the mains voltage. These off-main switches require a multi-part cable which is rigid and thick. In the present structure (14, 15) a single two-part cable (13) is sufficient, as the off-mains switch (14) is configured such that the control signals between control unit/control box (15) and the off-mains switch are transmitted through a mains cable (13). A standard cable having two conductors is then sufficient. This means in turn that standard plugs may be used, and thus that the cable (13) may be connected to the power supply via an ordinary plug. Since, hereby, the off-mains switch may appear as a separate unit, production and logistics are facilitated.
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Family
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