Ceiling mounted lift for a multi-purpose projector

Details Ceiling mounted lift for a multi-purpose projector Ceiling mounted lift for a multi-purpose projector

H - Electricity

04

N

H04N 5/74 (2006.01) F16H 25/00 (2006.01) F16M 11/04 (2006.01) F16M 11/18 (2006.01) H02K 7/06 (2006.01)

Patent

CA 2589669

A ceiling mounted lift for a multimedia projector that can be installed into a hollow ceiling. The same is equipped with a frame-shaped base plate (2) that can be fitted to an original ceiling, and with a platform (5) receiving the projector that can be lowered in relation to the base plate (2) from a non-usage position into a usage position. For lowering and lifting the platform (5) lifting spindles (3) that can be driven equally in both rotation directions and co-operatively connected with spindle nuts (4) are provided. The lifting spindles (3) as well as the spindle nuts (4) are equipped with a circular thread, whereby the spindle nuts (4) consist of Nylon thread nuts.

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