Display apparatus
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United States of America Patent
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-
Nov 3, 2009
Grant Date -
Nov 25, 2004
app pub date -
Mar 5, 2004
filing date -
May 23, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A display apparatus including a base plate; a display main body to display a picture thereon; a lifting member standing on the base plate and combined to the display main body to adjust the height of the display main body; at least one spiral spring connected to the lifting member and to elastically support the weight of the display main body and to extend and retract accordingly as the display main body is lifted up and lowered down; a supporter connected to the spiral spring and to extend and retract the spiral spring via rotation; and a friction member inserted in the supporter to contact with the spiral spring and to generate a predetermined friction while the supporter rotates so that the height of the display main body is maintained even when the weight of the display main body is changed. Accordingly, a display apparatus having an adjustable a display main body even when the weight of the display main body is varies.
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