Patent ID: 7611103
Filing Date: 2009-11-03
Classification: F16M,G09F,Y10S

Abstract:
1. A display apparatus, comprising: 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 a height of the display main body; at least one spiral spring connected to the lifting member, to elastically support 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 extending through a substantial portion of the at least one spiral spring, to extend and retract the at least one spiral spring via rotation; a friction member enclosed in the supporter to be in contact with the at least one spiral spring and to generate a predetermined friction while the supporter rotates to maintain the height of the display main body regardless of a change in weight of the display main body; and wherein the lifting member further comprises: