Communications: radio wave antennas – Antennas – With radio cabinet
Reexamination Certificate
1999-01-27
2001-04-10
Phan, Tho (Department: 2821)
Communications: radio wave antennas
Antennas
With radio cabinet
C343S882000
Reexamination Certificate
active
06215445
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to an antenna holder assembly for a cellular phone, and more particularly to a simple structure of antenna holder assembly that enables the installed antenna to be smoothly turned to the desired angular position.
A cellular phone may be equipped with an antenna holder assembly for holding an antenna, enabling the antenna to be turned to the desired angular position.
FIG. 1
illustrates an antenna holder assembly for this purpose. This structure of antenna holder assembly comprises a holder
10
, a top cap
16
, a tubular screw member
17
, a shell
18
, and an induction coil
19
. The holder
10
comprises a vertical receiving chamber
21
, and two pivot holes
22
transversely aligned at two opposite sides of the vertical receiving chamber
21
. The antenna
13
has a flat bottom end
14
inserted into the vertical receiving chamber
21
, and pivotably connected between the pivot holes
22
by a pivot
15
. The holder
10
is supported on the induction coil
19
, having a shoulder
100
stopped below an inward top flange
160
of the top cap
16
. Because the induction coil
19
imparts an upward pressure to the holder
10
, a friction force is produced between the shoulder
100
and the top flange
160
when the holder
10
is rotated to adjust the antenna
13
to the desired angle. Therefore, much effort should be applied to the holder
10
when rotating the holder
10
to the desired angle.
SUMMARY OF THE INVENTION
The present invention provides an antenna holder assembly which enables the antenna to be smoothly adjusted to the desired angle. According to one aspect of the invention, the antenna holder assembly comprises a mount fixedly fastened to the shell of an antenna, a holder supported on the mount, the holder having a downward mounting rod inserted into the center through hole of the mount, an end cap fastened to the downward mounting rod to secure the holder to the mount, enabling the holder to be rotated on its own axis, and a spring bushing mounted within the center through hole of the mount around the downward mounting rod of the holder. According to another aspect of the present invention, the size of the downward mounting rod of the holder, the springy bushing and the center through hole of the mount can be designed subject to the size of the antenna to be held.
REFERENCES:
patent: 5422651 (1995-06-01), Chang
patent: 5436633 (1995-07-01), Liu
patent: 5659889 (1997-08-01), Cockson
patent: 6005523 (1999-12-01), Rudisill
patent: 6052090 (2000-04-01), Simmons et al.
Auden Technology Mfg. Co. Ltd.
Dougherty & Troxell
Phan Tho
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