Supports – Stand – Understructure
Reexamination Certificate
2002-12-09
2004-09-28
Braun, Leslie A. (Department: 3632)
Supports
Stand
Understructure
C248S188400, C248S354700, C248S677000, C248S688000, C248S423000, C353S119000, C353S070000
Reexamination Certificate
active
06796538
ABSTRACT:
This application incorporates by reference Taiwan application Serial No.090130843, filed Dec. 12, 2001.
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates in general to an adjusting device, and more particularly to an adjusting device including a foot member, a supporting member, and a moving member.
2. Description of the Related Art
When equipping a projector on a desk, the user can make use of the adjusting foot or the adjusting device to adjust the angle of elevation so that the projector can cast images on the designated screen.
Referring to
FIG. 1
, a projector
100
on a projection plate
101
is shown, wherein a fixed foot
106
is under and coupled to the base-board
102
c
at the end near the rear-board
102
b
of the housing. At the other end of the base-board
102
c
, near the front-board
102
a
, there is an adjusting foot
108
. The adjusting foot
108
is installed inside a fillister
109
of the housing
102
with a portion of the adjusting foot
108
exposed. The upward and downward movement of the front side of the projector
100
is controlled by the adjusting foot
108
.
In addition, the adjusting foot
108
includes the supporting member
110
, the turning member
112
, and the spiral member
114
. The adjusting foot
108
supported by the supporting member
110
is against the projection plate
101
. The turning member
112
is installed on the top of the supporting member
110
, which provides the function of rotating. The supporting member
110
, the turning member
112
, and the spiral member
114
are coupled and thus, the rotation of the turning members
112
leads the rotation of the other two members in the same direction. As the thread
114
a
of the spiral member
114
and the thread
109
a
of the edge of the fillister
109
are in mesh, the spiral member
114
and the fillister
109
are mounted properly. Therefore, by rotating the turning member
112
, the elevation angle of the projector
100
can be adjusted.
A portion of the weight of the projector
100
is imposed on the supporting member
110
, so that a frictional force is generated between the supporting member
110
and the projection plate
101
. Therefore, to rotate the adjusting foot
108
efficiently, the user must exert a force great enough to overcome the frictional force, which can be very laborious. Additionally, it is quite inconvenient for the user who must spend much time to adjust the projector
100
to the required angle because the adjustment range is very limited. The user may need to rotate the adjusting foot
108
several times so as to adjust the angle of the projector
100
slightly upward or downward.
Referring to
FIG. 2
, it shows an adjusting device comprising a locking part, springs, and a leg part, as disclosed in Japanese Patent Publication number 11-271879. As shown in
FIG. 2
, a fixed foot
206
is under the base-board
202
c
coupled to the rear-board
202
b
of the housing
202
. At the other side of the base board
202
c
near the front-board
202
a
, there is a projector device
208
. The projector
200
is installed stably on the projection plate
201
by the support of the fixed foot
206
and the projector device
208
.
The projector device
208
is provided with a leg part height adjusting mechanism comprising the leg part
212
, a spring
214
b
, and a locking part
210
, wherein the leg part
212
is freely and vertically movable from the inside to the outside of a hole part
216
b
formed in the housing
202
base plate
202
c
of the projector device. The spring
214
b
is for pushing the leg part
212
downward, and the locking part
210
is for locking the leg part
212
pushed down by the spring
214
b
at a desired level. Thus, by operating the locking part
210
, the height of the leg part
212
is set so that the projector device can be positioned at the desired level.
The shortcoming and deficiency of the conventional adjusting mechanism lie in the inconvenience of the operating procedure to adjust the angle of elevation of the projector
200
. When adjusting the angle of the projector
200
on the projection plate
201
, the user must support the projector
200
with one hand and pull the locking part
210
to the left with the other hand to separate the moving part
210
b
off the sawtooth part
212
a
. And the elasticity of the spring
214
b
will force the leg part
212
to move outside of the hole part
216
b
; meanwhile the user adjusts the projector
200
upward or downward to the required angle with a certain length of the leg part
212
exposed outside of the hole part
216
b
, and by then the user can set free the locking part
210
so that the moving part
210
b
and the sawtooth part
212
a
will mesh again.
SUMMARY OF THE INVENTION
The present invention overcomes the shortcoming and deficiency mentioned above by providing an adjusting device, having a well-designed supporting member and moving member, so that the user can easily adjust the position of the moving member connected with the supporting member.
Accordingly, an object of the present invention is to provide an adjusting device comprising a foot member, a supporting member, and a moving member. The supporting member is fixed to the foot member, and the moving member includes a moving body, a supporting body and a button. Furthermore, the moving body includes two passageways. One passageway is sized to receive the supporting member so that the moving body can move vertically and is coupled to the supporting member. The other passageway is sized to receive an elastic device so that the elasticity of the elastic device embeds in the passageway horizontally to clip to the supporting member so that the moving body is fixed to the supporting member. The button is movable and buckled to the moving body. When an impetus is given to the button, the button moves to collide against the elastic device so that the elastic device becomes deformed and departs from the supporting member, and then the user can shift the moving member vertically to adjust the position of the moving member connected with the supporting member.
On the basis of the adjusting device of the type mentioned above, the object of the invention is achieved by having an adjusting device installed in a supporting base, comprising the supporting member and the moving member. The supporting member has tooth-ditched outlets slanting upward at both sides. The moving member further includes the moving body, the U-clip of the elastic device, and the button, wherein the moving body can slide and is coupled to the supporting member, the U-clip has two clip parts and is fixed to the moving body, so that the two clip parts of the U-clip can catch the tooth-ditched outlets of the supporting member so that the moving body is fixed to the supporting member as the U-clip does not become deformed, and the button is installed in the moving body with mobile function, which enables the relative movement of the moving member and the supporting member by pressing the button to deform the U-clip and release the U-clip from the tooth-ditched outlets.
Other objects, features, and advantages of the invention will become apparent from the following detailed description of the preferred but non-limiting embodiments. The following description is made with reference to the accompanying drawings.
REFERENCES:
patent: 2302134 (1942-11-01), McNabb
patent: 2809553 (1957-10-01), Van Den Broek
patent: 3938798 (1976-02-01), Solie et al.
patent: 5664758 (1997-09-01), Smith
patent: 5762303 (1998-06-01), Chae
patent: 5836556 (1998-11-01), Kim
patent: 6302543 (2001-10-01), Arai et al.
patent: 6461002 (2002-10-01), Su
patent: 6685149 (2004-02-01), Chang
patent: 2002/0139908 (2002-10-01), Oyama et al.
patent: 2002/0139909 (2002-10-01), Oyama et al.
patent: 09054370 (1997-02-01), None
patent: 10002485 (1998-01-01), None
patent: 10332077 (1998-12-01), None
patent: 11271879 (1999-10-01), None
patent: 2000241875 (2000-09-01), None
Hsu Shin-Lung
Lee Hung-Cheng
Lin Ying-Yu
Liu Hung-Wen
Benq Corporation
Braun Leslie A.
Morrison Naschica S.
Rabin & Berdo P.C.
LandOfFree
Adjusting device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Adjusting device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Adjusting device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3268680