U.S. patent application number 11/821177 was filed with the patent office on 2008-12-25 for inflatable chair cushion.
Invention is credited to Yu-Wen Cheng.
Application Number | 20080313814 11/821177 |
Document ID | / |
Family ID | 40134975 |
Filed Date | 2008-12-25 |
United States Patent
Application |
20080313814 |
Kind Code |
A1 |
Cheng; Yu-Wen |
December 25, 2008 |
Inflatable chair cushion
Abstract
An inflatable chair cushion comprises an inflatable bag and a
compressor for inflating and deflating said inflatable bag having a
switch controlled by a user, so that said user is assisted in
getting up and sitting down.
Inventors: |
Cheng; Yu-Wen; (Taichung
City, TW) |
Correspondence
Address: |
PRO-TECHTOR INTERNATIONAL SERVICES
20775 NORADA CT.
SARATOGA
CA
95070
US
|
Family ID: |
40134975 |
Appl. No.: |
11/821177 |
Filed: |
June 22, 2007 |
Current U.S.
Class: |
5/655.3 ;
5/654 |
Current CPC
Class: |
A61G 7/1021 20130101;
A61G 5/14 20130101 |
Class at
Publication: |
5/655.3 ;
5/654 |
International
Class: |
A47C 27/08 20060101
A47C027/08 |
Claims
1. An inflatable chair cushion, comprising: an inflatable bag; and
a compressor for inflating and deflating said inflatable bag having
a switch controlled by a user, so that said user is assisted in
getting up and sitting down.
2. The inflatable chair cushion according to claim 1, wherein said
inflatable bag is shaped like a triangular prism having in an
inflated state a relatively high end.
3. The inflatable chair cushion according to claim 1, wherein said
inflatable bag is shaped like a triapezoidal prism having in an
inflated state a relatively high middle part.
Description
FIELD OF THE INVENTION
[0001] The present invention relates to an inflatable chair
cushion, particularly to an inflatable chair cushion which is easy
to transport, inexpensive and of assistance for getting up and
sitting down.
BACKGROUND OF THE INVENTION
[0002] Elderly persons and those who are handicapped at lower body
parts have difficulties to get up from a sitting position and to
sit down. Therefore, chairs and chair cushions for assisting
getting up and sitting down have been brought to the market.
[0003] As shown in FIG. 6, a conventional assisting chair 50 is
provided with an inclining device 51 to help persons to get up and
sit down. However, the assisting chair 50 has a high volume and
weight and hence is hard to move.
[0004] As shown in FIG. 7, another conventional assisting chair 60,
designed to improve on the shortcomings of the assisting chair 50,
comprises: a seat cushion 61; a lower plate 63, on which the chair
cushion 61 is placed; and a lifting device 65, having two ends
which are respectively connected with the lower plate 63 and the
seat cushion 61. Thereby, a small volume is achieved. However, the
assisting chair 60 has a complicated structure, a large weight and
high manufacturing cost. Furthermore, adjusting a lifting force of
the lifting device 65 to persons of various weights is necessary,
since too large a lifting force cannot be overcome by a user for
sitting down, and too small a lifting force will not prevent the
user from rapidly falling to a seated position, which is
dangerous.
SUMMARY OF THE INVENTION
[0005] It is an object of the present invention to provide an
inflatable chair cushion which assists getting up from and sitting
down on a chair of a user.
[0006] Another object of the present invention is to provide an
inflatable chair cushion which is inexpensive.
[0007] A further object of the present invention is to provide an
inflatable chair cushion which has a low weight and hence is easy
to transport.
[0008] For achieving above object, the present invention comprises
an inflatable bag and a compressor for inflating and deflating said
inflatable bag having a switch controlled by a user, so that said
user is assisted in getting up and sitting down.
[0009] Other aspects and advantages of the present invention will
become apparent from the following detailed description, taken in
conjunction with the accompanying drawings, illustrating by way of
example the principles of the present invention.
BRIEF DESCRIPTION OF THE DRAWINGS
[0010] FIG. 1 is a schematic illustration of the inflatable chair
cushion of the present invention in conjunction with a chair.
[0011] FIG. 2 is a schematic illustration of the inflatable chair
cushion of the present invention in a deflated state.
[0012] FIGS. 3a-3c are schematic illustrations of the movement of
the inflatable chair cushion of the present invention during
getting up and sitting down.
[0013] FIG. 4 is a schematic illustration of the present invention
placed on the lower plate of the chair.
[0014] FIG. 5 is a schematic illustration of the inflatable chair
cushion of the present invention in the second embodiment.
[0015] FIG. 6 is a schematic illustration of a conventional
assisting chair.
[0016] FIG. 7 is a schematic illustration of another conventional
assisting chair.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0017] As shown in FIGS. 1-2, the present invention is an
inflatable chair cushion 10, used in conjunction with a chair 11
having a seat 12. The inflatable chair cushion 10 comprises: an
inflatable bag 20, placed on the seat 12 and inflatable on inflated
end thereof; and a compressor 30 for inflating and deflating the
inflatable bag 20. By inflating and deflating the inflatable bag
20, a user is assisted in getting up from and sitting down on the
chair 11. In the following, a detailed description is given.
[0018] The inner inflatable bag 20 is shaped like a triangle, with
the inflated end thereof reaching up relatively high in an inflated
state. Production cost is low, and the user is readily assisted in
getting up from and sitting down on the chair 11.
[0019] The compressor 30 has a switch 31 which is operated by the
user for inflating and deflating the inflatable bag 20.
[0020] Referring to FIGS. 3a-3c, inflating and deflating the
inflatable bag 20 assists the user in getting up from and sitting
down on the chair 11, respectively. As shown in FIG. 3a, for
seating the user, the inflatable bag 20 is inflated, supporting the
user in a higher than a seated position. Subsequently, the
inflatable bag 20 is deflated, so that the user is lowered to the
seated position, as shown in FIG. 3b. As shown in FIG. 3c, for the
user to get up, the inflatable bag 20 is inflated, raising the user
to a higher than the seated position, so that the user easily gets
up from there.
[0021] Referring to FIG. 4, in a deflated state, the inflatable bag
20 provides a seat cushion for the user.
[0022] Referring to FIG. 5, the present invention in a second
embodiment has an inflatable bag 20a having a trapezoidal shape
with a relatively high middle part.
[0023] While preferred embodiments of the invention have been set
forth for the purpose of disclosure, modifications of the disclosed
embodiments of the invention as well as other embodiments thereof
may occur to those skilled in the art. Accordingly, the appended
claims are intended to cover all embodiments which do not depart
from the spirit and scope of the invention.
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