US 7,611,103 B2
Display apparatus
Sang-kyeong Ha, Suwon (Korea, Republic of); Ju-hwan Kim, Suwon (Korea, Republic of); Jeong-su Jason Lim, Suwon (Korea, Republic of); and Dong-hyug Kim, Suwon (Korea, Republic of)
Assigned to Samsung Electronics Co., Ltd., Suwon-Si (Korea, Republic of)
Filed on Mar. 05, 2004, as Appl. No. 10/792,745.
Claims priority of application No. 10-2003-0032950 (KR), filed on May 23, 2003.
Prior Publication US 2004/0231213 A1, Nov. 25, 2004
Int. Cl. A47F 5/00 (2006.01)
U.S. Cl. 248—125.2  [361/681; 267/154; 267/157; 267/179; 248/917; 248/125.1] 29 Claims
OG exemplary drawing
 
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:
a guide rail standing on the base plate; and
a slider slidably coupled with the guide rail and combined to the display main body.