JP2001340179A - Back cushion - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a back cushion which enables even a person having the deformed back to maintain a normal and stable posture and can eliminate the cause for decubitus. SOLUTION: The entire part of the form of is cushion is a body 1 to be mantled which is formed to a net shape having a width of a suitable shape. A soft molded material 12 of a flat shape is inserted and arranged into a bag part formed on the inner side of the front of this body to be mantled. Soft molded materials 13 and 13 of a wedge shape are respectively inserted and arranged into the plural bag parts 10 and 10 formed by being segmented one above the other below the inner side parts of both right and left sides of the back part 4 of the body to be mantled.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a back cushion of a chair including a wheelchair.

[0002]

2. Description of the Related Art In particular, among people who use a wheelchair, a relatively large number of people have their backs deformed to the left or right or forward when viewed from the backbone, and therefore the back cushion of the wheelchair is used. It was pointed out that the back cushion had been improved, and the improvement of the back cushions in response to the humidity and humidity, which are the causes of pressure sores, had been awaited.

[0003]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a back cushion which solves the conventional disadvantages.

[0004]

SUMMARY OF THE INVENTION The present invention is directed to a cover which is formed in the form of a net having an appropriate thickness in a whole form. The cover formed on the inside of the front portion of the cover has a flat soft shape. A molded material is inserted and arranged, and wedge-shaped soft molded materials are respectively inserted and arranged in a plurality of bags formed by dividing the upper and lower inner portions of the left and right sides of the back portion of the jacket. is there.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS When the product of the present invention is used for the back of a wheelchair, a flat soft molded material is inserted into the bag at the front of the cover by opening the fastener at one end. ,
A wedge-shaped soft molding material is inserted into each of the bag portions on the left and right sides of the back of the cover from the side portions in the open state, respectively, according to the size of the bag portion. The insertion of the soft molded material is performed with the leading end of the wedge facing inward. (FIG. 3
・ See Figure 2)

[0006] When a soft molded material is inserted into the bag portion of the front portion, the front portion of the jacket is slightly curved forward from both the left and right sides by the elastic force of the inserted soft molded material. Also, the entire reticulated covering has the same form.
(See Fig. 1)

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference numeral 1 designates a covering body whose whole form is made of a mesh material having an appropriate shape and thickness. The front part 2 of the covering body is entirely a mesh part 3, while a back part 4 is provided at a vertical center part thereof. Adhesive strips (plane fasteners) 5 are provided, and both left and right sides are formed into nets 6 and 6.

[0008] The adhesive piece 5 is fixed to the back of a wheelchair or the like.

Reference numeral 7 denotes a bag formed on the inner side of the mesh portion 3 of the front part 2 of the mantle. The bag communicates with an opening 8 provided at one end of the mantle 1. Is provided with a fastener 9.

Reference numerals 10 and 10 denote sewn portions formed on the inner portions of the right and left mesh portions 6 and 6 of the back surface portion 4 of the mantle by dividing the sewn portions at appropriate width intervals and forming a plurality of sack portions. The size may be configured as one large and two small bags on one side as shown in the figure, or may be configured as two large bags on one side.

The entirety of the bags 10, 10 divided into left and right sides on the back of the mantle, is integrally formed by sewing on the bag 7 at the front of the mantle.

The left and right ends of the large and small bags 10 have openings 11,11.

A net 3, which constitutes the entire body 1
Nos. 6 and 6 use tough honeycomb mesh fabrics.

Reference numeral 12 denotes a soft molding material such as a flat urethane foam material disposed in the bag portion 7 of the jacket front portion 2.
This soft molded material serving as the core material of the mantle is opened into the fastener 9 of the opening 8 of the mantle 1 and inserted into the bag part 7.

As the soft molding material 12, a material having elasticity and moisture permeability is used.
Has a resilient form that wraps the back of a person sitting in a wheelchair from both left and right sides.

Reference numerals 13 denote bag portions 1 of the back surface portion 4 of the mantle.
Wedge-shaped soft molded material such as urethane inserted into the inside from the left and right openings 11 and 11 at 0 and 10, and the size of the soft molded material is adjusted to the size of the bag portions 10 and 10, respectively.

As the soft moldings 13, 13, it is preferable to use an adhesive material.

[0018]

Since the present invention is a back cushion having such a structure, the following effects can be exhibited.

First, even the owner of the back deformed left or right or forward can maintain a stable posture for a long period of time by maintaining a normal posture as a whole by the balanced cushion function of the left and right hitting the back. Become like

Second, by using a net-like cloth for the mantle and using a moisture-permeable soft material for the inner core, water and air can pass between the canvas and the back of the wheelchair. Since the space is created, the moisture that causes pressure soreness is not stored, and this can be prevented.

[Brief description of the drawings]

FIG. 1 is a front perspective view of the whole.

FIG. 2 is a perspective view of the entire back.

FIG. 3 is a perspective view of the entire back before internal insertion.

FIG. 4 is a sectional view taken along the line AA in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Envelope 2 Envelope front part 3 Net part 4 Entrance back part 5 Adhesive piece part 6,6 Net part 7 Bag part 9 Fastener 10,10 Bag part 12 Soft molded material 13,13 Soft molded material

Claims (3)

[Claims] The present invention relates to a cover which is formed in a net shape having an appropriate shape and thickness, and a flat soft molding material is inserted and arranged in a bag formed inside a front portion of the cover. A back cushion characterized in that a plurality of bag portions formed vertically on the inner portions of the left and right sides of the back portion of the cover are inserted and arranged with wedge-shaped soft molding materials, respectively. 2. The back cushion according to claim 1, wherein a fastener is provided at an opening communicating with the bag at one end of a front portion of the cover in which the soft molded material is inserted and arranged in the bag. 3. The apparatus according to claim 1, wherein an adhesive strip is provided at a longitudinally central portion of a back portion of the mantle to be fixed to a back portion of the chair.
The back cushion described in.