Height Positioning Device for a Presentation Device
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United States of America Patent
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Issued Date -
Jan 14, 2010
app pub date -
Sep 24, 2008
filing date -
Jul 14, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A height positioning device for a presentation device contains a carrier to which a presentation element can be fastened, and a mount to which the carrier is attached and movable between first and second height positions. Also provided are a flexible traction mechanism having one end fastened to the carrier and a second end fastened to the mount or a stationary element, and a deflection element around which the traction mechanism is guided in the manner of a pulley. To hold the carrier at any desired position, the height positioning device contains a gas compression spring having a first end fastened to the deflection element and a second end supported on the mount, an element of fixed height, on the carrier or an element which can be moved with the carrier, such that the spring compensates for a weight of the carrier and the presentation element.
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