U.S. patent application number 10/935237 was filed with the patent office on 2005-06-09 for support stand for a tablet pc.
This patent application is currently assigned to Tatung Co., Ltd.. Invention is credited to Kuo, Hsiao-Ching.
Application Number | 20050121594 10/935237 |
Document ID | / |
Family ID | 33308962 |
Filed Date | 2005-06-09 |
United States Patent
Application |
20050121594 |
Kind Code |
A1 |
Kuo, Hsiao-Ching |
June 9, 2005 |
Support stand for a tablet PC
Abstract
The present invention relates to a support stand for lifting a
tablet PC at a predetermined angle and rendering the tablet PC easy
to pack. The support stand includes: a base, a back support and a
brace. The support stand is characterized by: at least one of the
base, the back support and the brace being made of an elastic
material and when pressing downward the back support, at least one
of the base, the back support and the brace deforms so that a
elastic critical point of the support stand is reached. A recovery
force resulted from further pressing downward the back support
urges the support stand into a closed status.
Inventors: |
Kuo, Hsiao-Ching; (Taipei
City, TW) |
Correspondence
Address: |
BACON & THOMAS, PLLC
625 SLATERS LANE
FOURTH FLOOR
ALEXANDRIA
VA
22314
|
Assignee: |
Tatung Co., Ltd.
Taipei City
TW
|
Family ID: |
33308962 |
Appl. No.: |
10/935237 |
Filed: |
September 8, 2004 |
Current U.S.
Class: |
248/676 ;
248/454 |
Current CPC
Class: |
F16M 2200/024 20130101;
F16M 13/00 20130101; F16M 11/10 20130101 |
Class at
Publication: |
248/676 ;
248/454 |
International
Class: |
A47G 001/24 |
Foreign Application Data
Date |
Code |
Application Number |
Nov 19, 2003 |
TW |
092220480 |
Claims
What is claimed is:
1. A support stand for a tablet PC comprising: a base comprising
two side frames, and a back frame, the two side frames respectively
having a front pivot plate and a rear conjoining plate, each of the
front pivot plate having a pivot hole, each of the rear conjoining
plate having a stowage hole, and the pivot hole and the stowage
hole are separated by a third length L3; a back support comprising
two upright arms and a lateral arm, the two upright arms
respectively including a first end and a second end, the second
ends respectively being pivoted with the pivot holes of the two
side frames, the lateral arm being connected to both first ends of
the two upright arms; and a brace comprising a rotating shaft, at
least two supporting ends and two adjusting ends, the rotating
shaft being placed between the at least two supporting ends and the
two adjusting ends; the rotating shaft being also correspondingly
pivoted to the middle portion of the two upright arms of the back
support; wherein the rotating shaft is spaced from the second end
of the back support by a first length L1, the two adjusting ends
being capable of respectively inserting into the two stowage holes
of the base, and the rotating shaft is separated from the adjusting
ends by a second length L2; wherein the sum of the first length L1
and the second length L2 is larger than the third length L3;
wherein the support stand is characterized by: at least one of the
base, the back support and the brace being made of flexible
material, and when the back support is pressed down, at least one
of the base, the back support and the brace is elastically deformed
so that the sum of the first length L1 and the second length L2
equals to the third length L3; and as the back support is further
pressed, a recovery force resulted from the elastic deformation
forces the lateral arm to clip on the back frame of base.
2. The support stand as claimed in claim 1, wherein the lateral arm
of the back support is bent toward the back frame of the base to
form a clipping portion so as to clip on the back frame of
base.
3. The support stand as claimed in claim 1, wherein the base, the
back support and the brace are all made of a flexible material.
4. The support stand as claimed in claim 1, wherein the conjoining
plate further comprises a plurality of adjusting holes adapted for
adjusting a vertical height of the support stand.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates to a support stand and, more
particularly, to a support stand for a tablet PC.
[0003] 2. Description of the Related Art
[0004] Due to the high growth of the computer market, tablet PCs
with their portability, touch-screen control functionality and
digital ink capabilities have become increasingly popular.
[0005] In general, a user holds the tablet PC during use, but when
the user is sitting down, since the tablet PC does not provide any
element for support, the user has no choice but to place the tablet
PC on a table, which limits the visibility range for the user.
[0006] As a consequence, some companies have designed a support
structure for the tablet PC, which has a base, a support frame and
a supporting arm. These three elements pivot with respect to each
other, and are used to hold the tablet PC on the support frame at a
predetermined angle. However, this support structure has a
disadvantage of not being able to be closed at a fixed position
when not in use, which is very inconvenient for carrying or
storage.
[0007] Therefore, it is desirable to provide a support stand for a
display to mitigate and/or obviate the aforementioned problems.
SUMMARY OF THE INVENTION
[0008] A main objective of the present invention is to provide a
support stand for a display, which can be closed at a fixed
position for transportation.
[0009] In order to achieve the above-mention objective, the support
stand for a tablet PC comprises: a base comprising two side frames,
and a back frame, the two side frames respectively having a front
pivot plate and a rear conjoining plate, each of the front pivot
plates having a pivot hole, each of the rear conjoining plates
having a stowage hole, and the pivot hole and the stowage hole
being separated by a third length L3; a back support comprising two
upright arms and a lateral arm, the two upright arms respectively
including a first end and a second end, the second ends
respectively being pivoted with the pivot holes of the two side
frames, the lateral arm being connected to both first ends of the
two upright arms; and a brace comprising a rotating shaft, at least
two supporting ends and two adjusting ends, the rotating shaft
being placed between the at least two supporting ends and the two
adjusting ends; the rotating shaft being also correspondingly
pivoted to the middle portion of the two upright arms of the back
support; wherein the rotating shaft is spaced from the second end
of the back support by a first length L1, the two adjusting ends
being capable of respectively inserting into the two stowage holes
of the base, and the rotating shaft is separated from the adjusting
ends by a second length L2; wherein the sum of the first length L1
and the second length L2 is larger than the third length L3;
wherein the support stand is characterized by: at least one of the
base, the back support and the brace being made of flexible
material, and when the back support is pressed down, at least one
of the base, the back support and the brace is elastically deformed
so that the sum of the first length L1 and the second length L2
equals to the third length L3; and as the back support is further
pressed, a recovery force resulted from the elastic deformation
forces the lateral arm to clip on the back frame of base.
[0010] Other objects, advantages, and novel features of the
invention will become more apparent from the following detailed
description when taken in conjunction with the accompanying
drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
[0011] FIG. 1 is a schematic drawing of standing status of a
support stand for a tablet PC according to the present
invention.
[0012] FIG. 2 is a side view of the present invention.
[0013] FIG. 3 is a side view of closed status of the support stand
for a tablet PC according to the present invention.
[0014] FIG. 4 is a schematic drawing of closed status of the
support stand for a tablet PC according to the present
invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
[0015] FIG. 1 is a schematic drawing of a support stand for a
tablet PC according to the present invention in a standing mode.
The support stand comprises a base 1, a back support 2, and a brace
3. The base 1 is a rectangular frame, comprising a front frame 141,
two side frames 142, 143, and a back frame 144; the side frames
142, 143 respectively have a front pivot plate 121, 122 and a rear
conjoining plate 131, 132. The rear conjoining plates 131, 132 each
have a plurality of adjusting holes 133 and a stowage hole 134. The
back support 2 is U-shaped, and comprises two upright arms 21, 22
and a lateral arm 23. The two upright arms 21, 22 respectively
include a first end and a second end, the second ends respectively
being pivoted to the pivot holes of the front pivot plate 121, 122,
and the lateral arm 23 is bent toward to the back frame 144 of the
base 1 and connects to both first ends of the two upright arms 21,
22. The two upright arms 21, 22 further comprise a rotating joint
24, 25. The brace 3 comprises a rotating shaft 31 and two
supporting frames 32, 33. The rotating shaft 31 is joined to the
two rotating joints 24, 25 of the two upright arms 21, 22, so that
the brace 3 can rotate by the rotating shaft 31. The supporting
frames 32, 33 respectively have two supporting ends 321, 331 and
two adjusting ends 322, 332. The two supporting ends 321, 331
extend through the back support and are used for supporting a
tablet PC 4 (shown by the dashed line in FIG. 4). The two adjusting
ends 322, 332 are used for joining with different adjusting holes
133 to provide different angles for the back support 2 and the
brace 3.
[0016] Please refer to FIG. 2, which is a side view of the present
invention. In the drawing, the adjusting ends 322, 332 of the brace
3 are respectively inserted into the second adjusting holes 133 to
lift up the back support 2 and the brace 3, and the supporting ends
321, 331 of the brace 3 are used for supporting the tablet PC 4.
When closing the support stand, the user simply moves the adjusting
ends 322, 332 from the adjusting holes 133 to the stowage holes
134.
[0017] FIG. 3 is a side view of closed condition of the support
stand for a display according to the present invention. A
characteristic of the present invention is that, taking a pivot
point 123 of the front pivot plate 121 as a base point, for the
back support 2, the distance between the pivot point 123 and the
rotating joint 24 is L1; for the base 1, the distance between the
pivot point 123 and the stowage hole 134 is L3; for the brace 3,
the distance between the rotating joint 24 and the adjusting end
322 is L2. In order to close the support stand, the adjusting ends
322, 332 are inserted into the stowage holes 134, as shown in FIG.
3. The combined length (L1+L2) is a little larger than L3.
Consequently, when the user presses the back support 2, since the
base 1, the back support 2 and the brace 3 are all made of
materials that are slightly elastic (such as stainless steel), the
brace 3 compresses along L2 to a length of L2', so that L1+L2'=L3,
which is a critical point (a maximum of the elastic potential). As
the user presses further, the elastic force of the material forces
the back support 2 down further until the lateral arm 23 fastens
with the back frame 144 of the base 1, as shown in FIG. 4.
[0018] Accordingly, the present invention utilizes a length
relationship between different elements, and the elasticity
provided by the material to provide a more stable closed condition
for the support stand, which is an obvious improvement.
[0019] Additionally, the base 1, the back support 2 and the brace 3
are preferably made of a rigid but slightly elastic material, such
as stainless steel or the like.
[0020] Although the present invention has been explained in
relation to its preferred embodiment, it is to be understood that
many other possible modifications and variations can be made
without departing from the spirit and scope of the invention as
hereinafter claimed.
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