Rotating mechanism for LCD monitor

Details Rotating mechanism for LCD monitor Rotating mechanism for LCD monitor

2002-06-19

2004-01-06

Mah, Chuck Y. (Department: 3676)

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Hinge

Including means to hold or retard hinged members against...

C016S337000, C016S340000

Reexamination Certificate

active

06671927

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a rotating mechanism, and in particular to a rotating mechanism for an LCD monitor.
2. Description of the Related Art
FIG. 1
shows the partially exploded rear view of a conventional LCD monitor, wherein the back cover
201
and the right back cover
202
are disassembled. The conventional LCD monitor includes a monitor
1
and a supporting portion (not shown) connected to the monitor
1
and placed on a desk.
As shown in
FIG. 1
, a rotating shaft
2
is disposed between the back of the monitor
1
and the supporting portion for adjusting the inclined angle of the monitor
1
. The rotating shaft
2
includes a shaft body
21
, two symmetric protruding elements
22
and two symmetric twisting springs
23
. The shaft body
21
is fixed to a stand
24
such that the monitor
1
can rotate around the shaft body
21
.
Two ends of the shaft body
21
of the conventional rotating shaft
2
are riveted to the corresponding protruding elements
22
. Thus, the tightness of the rotating shaft
2
is fixed and cannot be adjusted. If the rotating shaft
2
is too tightly riveted to the protruding elements
22
, it is very difficult to adjust the inclined angle of the monitor
1
. On the other hand, if the rotating shaft
2
is too loosely riveted to the protruding elements
22
, the supporting portion moves easily and the inclined angle of the monitor
1
is unstable. Further, the manufacturing cost of the conventional rotating shaft
2
is high and the assembly is complicated.
SUMMARY OF THE INVENTION
An object of the invention is to provide an improved rotating mechanism for an LCD monitor having a monitor (
1
) and a supporting structure (
9
). The rotating mechanism comprises a protruding sleeve (
3
) having a fitting hole (
31
) and disposed on the back of the monitor (
1
); a supporting body (
7
) having a bending element (
71
); a shaft sleeve (
6
) fitted between the protruding sleeve (
3
) and the bending element (
71
) of the supporting body (
7
); a sleeve (
4
) fitted in the fitting hole (
31
) of the protruding sleeve (
3
); a first screwing element (
5
) threaded into one end of the shaft sleeve (
6
) from the sleeve (
4
); and a second screwing element (
8
) threaded into the other end of the shaft sleeve (
6
) from the bending element (
71
). The protruding sleeve (
3
) is held between the sleeve (
4
) and the shaft sleeve (
6
) and the shaft sleeve (
6
), the supporting structure (
9
) and the bending element (
71
) cannot rotate.
Thus, the tightness of the rotating mechanism of the invention can be adjusted by way of the first screwing element (
5
). In addition, the manufacturing cost of the rotating mechanism of the invention is reduced. The inclined angle of the monitor (
1
) can be limited within a certain range. The assembly of the rotating mechanism is easier and simplified.
A detailed description will be given by the following embodiments with reference to the accompanying drawings.


REFERENCES:
patent: 1847937 (1932-03-01), Petters
patent: 1956040 (1934-04-01), Meyer
patent: 2926380 (1960-03-01), Richard
patent: 3837042 (1974-09-01), White
patent: 4428094 (1984-01-01), Emain
patent: 4478532 (1984-10-01), Puro
patent: 5333356 (1994-08-01), Katagiri
patent: 5388308 (1995-02-01), Meeuwissen
patent: 5774939 (1998-07-01), Lu
patent: 6018847 (2000-02-01), Lu
patent: 6101676 (2000-08-01), Wahl et al.
patent: 6381808 (2002-05-01), Kida
patent: 2002-106542 (2002-04-01), None
Patent application Publication U. S. 2002/0174519 A1, Nov. 2002.

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