JP2005013331A - Seat and backrest stretching member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seat and backrest stretching member capable of easily adjusting the angle and length of a seat and a backrest according to the state of a body of an occupant in a wheelchair, the state of disease and body shape of the occupant, or according to the length or width of the wheelchair. <P>SOLUTION: The stretching member 100 is for fixing the seat and the backrest mounted on a chair. The stretching member consists of at least one stretching belt member 11 with hook and loop fasteners 12 attached to both ends in the longitudinal direction, and at least one auxiliary stretching belt member 14 with a buckle 16 mounted at one end and a fixed part 15 at the other end to be fixed to a frame. The stretching belt member 11 consists of a fixed part 17 fixed to the frame at one end and a free end 18 at the other end to be inserted into the buckle 16 of the auxiliary stretching belt member 14. A center pad 19 is inserted into the stretching belt member 11. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing member used to attach a seat and a backrest to a chair and a backrest of a chair, and is adjustable according to the length and width of the chair. The present invention relates to a seat and a backrest extending member.
[0002]
[0003] 2. Description of the Related Art [0004] As a method for detachably attaching a seat or backrest to a chair, a seat base made of polyester fiber cloth coated with vinyl chloride resin is attached to the chair frame, A method of attaching a cushion thereon with a hook-and-loop fastener is disclosed in Patent Document 1. In paragraph ([0027]) of the third page of Patent Document 1, “the back base member 15 in FIG. 1 and the sheet base material 16a in the sheet portion 16 are both formed from a polyester fiber cloth coated with a vinyl chloride resin. The backrest member 15 is attached to a pair of left and right rear struts 8b (see FIG. 5) of the body frame 8, and the seat portion 16 is attached to a pair of left and right intermediate beam portions 8d (see FIG. 5) of the body frame 8. "The cushion 16b is detachably attached to the upper surface of the sheet base material 16a. A known method such as a hook-and-loop fastener 16c is adopted for the attachment." According to this method, the cushion is attached to the seat member so as to be removable. By doing in this way, it has the effect which removes the cushion stuck on the wheelchair and is easy to wash and dry.
[0003]
In paragraph ([0017]) on page 3 of Patent Document 2, “In a further preferred embodiment of the first invention of the present application, the folded portion is composed of a plurality of belt-like members. A backrest seat and a hiprest seat are attached to the main body frame through a gap between the frame and an arm pipe (to be described later), a side cover, and a guide hole provided in the side frame. During use of the wheelchair, there is no inconvenience that the upper and lower positions of the backrest seat or the front and rear positions of the hiprest seat are shifted. ”Furthermore, the paragraph ([0036]) states that“ FIG. 4 relates to the present invention. Fig. 3 is a plan view of the hip rest seat, which is provided on the stool (seat body), the cover, and both sides of the stool. Is composed of a digit left four belt-shaped member. "As is described as, the sheet Patent Document 2, is provided with a belt-shaped member to the seat body.
[0004]
In patent document 1, there exists an effect which remove | eliminates a seat part and is easy to wash | clean, and in patent document 2, the use of a wheelchair has the inconvenience that the vertical position of a backrest seat or the position before and behind a hiprest seat shifts. It has the effect of disappearing. However, if the seat (cushion, etc.) with a conventional tension belt is adjusted, the seating position will deviate from the center when the belt is loosened. There was a need to do. In particular, it is difficult to bring the seat (cushion or the like) to the center, and there is a problem that it is necessary to sit and adjust once. For this reason, there is nothing that can easily adjust the angle and length of the seat and backrest according to the length and width of the passenger's body, disease state, body shape, or wheelchair. The appearance was desired.
[0005]
[Patent Document 1] Japanese Patent Laid-Open No. 11-244335 [Patent Document 2] Japanese Patent No. 3038569 [0006]
SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned facts. The seat portion and the backrest of the wheelchair occupant are adjusted according to the body condition, disease state, body shape, or wheelchair length and width. The present invention provides a seat and backrest extending member that can be easily adjusted in angle and length.
[0007]
[Means for Solving the Problems] As a result of extensive research to solve the above-mentioned problems, the following tension members are used to attach the seat and the backrest, so that the state of the body of the passenger The angle and length of the seat and back can be easily adjusted according to the disease state and body shape.
[0008]
The solution of the present invention is a seat and backrest extending member for fixing a seat and a backrest attached to a chair, and the extending member has hook and loop fasteners attached to both ends in the longitudinal direction. At least one tension belt member, and at least one auxiliary tension belt member having a buckle at one end and a fixing portion at the other end fixed to the frame. The tension belt member has a frame at one end. A seat portion and a backrest portion, wherein a center pad is inserted through the tension belt member, and a fixed portion that is fixed to the belt and a free end portion that is inserted into the buckle of the auxiliary tension belt member at the other end. It is a member. Even if the depth of the seat portion of the chair and the height of the backrest portion of the tension belt to which the hook-and-loop fastener is adhered are different, it can be attached by combining a plurality of tension belts with appropriate intervals. Further, since the tension of each tension belt can be changed, the width and tension of the tension belt of the seat portion or the backrest portion can be freely adjusted according to the physical condition of the occupant.
[0009]
Another solution of the present invention is a tension member for fixing a seat portion and a backrest portion to be attached to a chair, and the tension member has a hook-and-loop fastener attached to both ends in the longitudinal direction. Consisting of two or three tension belt members and two or three auxiliary tension belt members with a buckle attached to one end, and one end in the longitudinal direction of the two or three tension belt members is connected Two or three auxiliary members, each having a fixed portion fixed to a frame connected by a tape member, and a free end portion inserted into the buckle of the auxiliary tension belt member at the other end, and a buckle attached to the one end. A seat portion and a backrest portion extending member characterized in that the other end of the tension belt member is composed of a fixing portion that is fixed to a frame connected by a connecting tape member. 2 or 3 tension belts with hook-and-loop fasteners, 2 and 3, 2 or 2 combinations, or 3 and 3 combinations, etc. The combination of installation members can be changed. Further, since the tension of each tension belt can be changed, the width and tension of the tension belt of the seat portion or the backrest portion can be freely adjusted according to the physical condition of the occupant. Also, by attaching a buckle to one end of the tension belt, the tension of the belt can be easily adjusted individually depending on the state of the passenger's body. Furthermore, handling is facilitated by connecting two or three tension belts with a connecting member.
[0010]
According to another aspect of the present invention, there is provided the seat portion and the backrest portion extending member according to claim 2, wherein a center pad is inserted through two or three tension belt members. By attaching the center pad to the tension belt member and installing the seat and backrest on the center pad, the feel of the belt is not directly transmitted to the skin, and even when sitting for a long time, it does not get tired and feels stable. is there. In addition, since the center pad can always be brought to the center of the body, a sense of stability can be given to the backrest and the seat.
[0011]
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the accompanying drawings. However, the present invention is not limited to the following embodiments within the scope of the gist.
[0012]
The seat and backrest tension member 100 of the present invention comprises a tension belt member 11 shown in FIG. 1 (1-1) and an auxiliary tension belt member 14 having a buckle 16 attached to one end. FIG. 1 (1-1) shows the surfaces of the tension belt member 11 and the auxiliary tension belt member 14, and a buckle 16 is attached to one end of the auxiliary tension belt member 14. As shown in Fig. 1 (1-2), the tension belt member is attached with a hook-and-loop fastener (female). This hook-and-loop fastener (female) is used to stably hold the pocket of the cover that covers the seat and backrest with the pocket, or on the seat side of the cover that covers the seat and backrest. This is used when the end is stably stretched. FIG. 1 (1-3) shows the front side of another embodiment of the tension belt member to which a hook-and-loop fastener (female) is not attached. The tension belt member 11 to which the surface fastener (female) is not attached to the front side is used in combination with a plurality of tension belt members at the intermediate portion or the end portion in the combination of the plurality of tension belt members. Can be used. As shown in FIG. 1 (1-3), the back surface of the auxiliary tension bell member 14 is provided with a buckle 16 at one end, and the other end is a fixing portion 15 that is fixed to the frame of the chair with screws or scissors. . Further, as shown in FIG. 1 (1-3), the back surface of the tension belt member 11 has a surface fastener (male) 12 attached to a free end 18 which is one end, and a surface facing the fixed portion 17 side which is the other end. A fastener (female) 13 was attached. The fixing portion 17 of the tension belt member 11 is fixed to the chair frame with screws or scissors, the free end 18 is bent through the buckle 16, and the hook-and-loop fasteners 12 and 13 are engaged and fixed.
[0013]
FIG. 1 (1-4) shows a state in which the center pad 19 is attached to the tension belt member 11. By covering the tension belt member 11 with the center pad 19, the gap between the tension belt members 11 is filled, and the feel of the tension belt member 11 is not directly transmitted to the skin of the occupant, thereby giving a sense of stability. A stitch 19a portion at the side surface position indicates a portion of a belt loop 19b (see FIG. 4 (4-2)) attached to the back surface of the center pad 19 in order to allow the tension belt member 11 to pass therethrough. When installing on the tension belt member 11, it can be used as it is as a seat portion or a backrest portion by providing the center belt 19 without providing a gap. The material of the tension belt member and the auxiliary tension belt member is not particularly limited. For example, it is desirable to use a material having weather resistance and durability such as vinyl chloride, polypropylene, and polyethylene.
[0014]
FIG. 2 (2-1) shows the front surface of the seat portion and the backrest portion extending member 200 formed by the two tension belt members 11 to be attached to the backrest portion of the frame, and FIG. A connection tape member 20 is attached to one end of the two tension belt members 11 shown in FIGS. 2 (2-1) and (2-2), and the other end is a free end 18. The portion of the tension belt member 11 where the connecting tape member 20 is attached becomes a fixing portion 17 that is fixed to the frame of the chair with screws or scissors. The other ends of the two auxiliary tension belt members 14 having the buckles 16 attached to one end thereof are connected by a connecting tape member 20, and the connected fixing portion 15 is fixed to the frame of the chair with screws or scissors. A hook-and-loop fastener (male) is attached to the free end 18 side of the back surface of the two tension belt members 11 connected, and a hook-and-loop fastener (female) is attached to the fixed portion 17 side. And adjust the length to engage the hook-and-loop fastener.
[0015]
FIG. 2 (2-3) shows the front surface of the seat portion and the backrest portion extending member 200 made up of the three tension belt members 11 attached to the backrest portion of the frame, and FIG. 2 (2-4) shows the back surface. A connecting tape member 20 is attached to one end of the three tension belt members 11 shown in FIGS. 2 (2-3) and (2-4), and the other end is a free end 18. The portion of the tension belt member 11 where the connecting tape member 20 is attached becomes a fixing portion 17 that is fixed to the frame of the chair with screws or scissors. A hook-and-loop fastener (female) 13 was attached to the free end 18 side of the surface of the three tension belt members 11. The other ends of the three auxiliary tension belt members 14 each having a buckle 16 attached to one end thereof are connected by a connecting tape member 20, and the connected fixing portion 15 is fixed to the chair frame with screws or scissors. A hook-and-loop fastener (male) is attached to the free end 18 side of the back surface of the three tension belt members 11 connected, and a hook-and-loop fastener (female) is attached to the fixed portion 17 side. And adjust the length to engage the hook-and-loop fastener.
[0016]
When the two tension belt members 11 are attached to the upper side of the back portion of the frame and the three tension belt members 11 are attached to the lower side of the back portion of the frame, the hook-and-loop fastener (female) ) Will be located under the back of the backrest. The hook-and-loop fastener located on the lower side of the back portion of the backrest portion is fixed by engaging with the hook-and-loop fastener attached to the back surface of the seat cover 34 (see FIG. 8) that can cover the lower portion of the backrest.
[0017]
The members that stretch the seat portion of the seat portion and the backrest stretching member 200 are shown in FIG. 3 as the front side (3-1) and the back side (3-2) of the tension belt member 11 used for the front portion of the seat, 3 (3-3) shows the front side of the tension belt member 11 used in the seat back portion of the member that stretches the seat, and FIG. 3 (3-4) shows the back side. 3 (3-1) to (3-4), the configuration of the tension belt member 11 that stretches the seat portion is basically the same as the member that stretches the backrest portion. However, a 300 mm hook-and-loop fastener (female) is attached to the free end 18 of the lower tension belt member 11 on the front side of the tension belt member 11 shown in FIG. It differs from the member which stretches the backrest part in that the hook-and-loop fastener (female) 13 is not attached to the front side (3-3) of the three tension belt members 11 to be provided.
[0018]
In the seat and backrest extending member 100 or 200 of the present invention, the seat and backrest extending member 100 or 200 shown in FIGS. In the case of two or three tension belt members 11 having a width of 50 mm and a length of 660 mm, the connecting tape member 20 having one end of 25 mm width and a length of 142 mm or 222 mm is used. Three or three tension belt members 11 were connected. On the back side of the two or three tension belt members 11 (FIG. 2 (2-2), (2-4), FIG. 3 (3-2), (3-4)), the connecting tape member 20 A hook-and-loop fastener (female) 13 having a width of 50 mm and a length of 150 mm was attached with a gap of 30 mm from the end of the connected side. A hook-and-loop fastener (male) 12 having a width of 50 mm and a length of 200 mm was attached to the other end to which the tension belt member 11 was connected. The auxiliary tension belt member 14 was attached with a buckle 16 having a vertical width of 50 mm at one end and connected with a connecting tape member 20 having a width of 50 mm and a length of 142 mm or 222 mm at the other end. The length of the auxiliary tension belt member 14 is 64 mm from the end of the buckle 16 to the other end connected by the connecting tape member 20.
[0019]
2 (2-3), the seat portion for stretching the backrest portion and the backrest portion stretching member 200 are each 50 mm wide on the free end 18 side of the three tension belt members 11 to be attached to the lower portion of the frame. A hook-and-loop fastener (female) 13 having a length of 300 mm was installed. The back surface of the backrest portion where the surface fastener (male) is attached to the back surface is engaged with and fixed to the surface fastener (female) 13 portion of the tension belt member 11.
[0020]
FIG. 4 shows a center pad 19 attached to the tension belt member. FIG. 4 (4-1) shows the front side of the center pad 19, and the front surface is a pile surface subjected to backing processing. A hook-and-loop fastener (male) affixed to the back surface of the cover 34 (see FIG. 8) covering the seat back and the seat back where the seat cover and the back cover are connected is engaged with the pile surface, and the seat and the back rest. The cover 34 covering the part is stably held. FIG. 4 (4-2) shows the back side of the center pad 19. The center pad 19 has a width of 80 mm and a length of 290 mm, and each corner is cut. Further, the stitch 19a portion at a position 5 mm from the side surface of FIG. 4 (4-1) is attached to the back surface of the center pad 19 in order to insert the tension belt member 11 as shown in FIG. 4 (4-2). A portion of the belt loop 19b is shown. The surface of the belt loop 19b for inserting the tension belt is a pile surface that is subjected to a backing process. A hook 34 (male) affixed to the back surface of a cover 34 (see FIG. 8) covering the seat portion and the backrest portion is engaged with the pile surface of the center pad 19 to cover the seat portion and the backrest portion. Keep it stable.
[0021]
FIG. 5 shows a form in which a center pad 19 is attached to the tension belt member 11. FIG. 5 (5-1) shows the belt belt 19b of the center pad through the three tension belt members 11 connected to the back of the seat portion, and the free end of the tension belt member buckles the auxiliary tension belt member. It shows a state in which the hook-and-loop fastener attached to the back surface of the tension belt member is engaged. FIG. 5 (5-2) shows a state in which the center pad 19 is attached to the two tension belt members 11 connected to the front surface of the seat portion in the same manner as described above. When the surface fastener on the back surface of the tension belt member is engaged, the surface fastener 13 appears on the front side of the tension belt member. The hook-and-loop fastener 13 engages with the hook-and-loop fastener attached to the end portion of the cover 34 covering the seat portion and the backrest portion by folding the end portion on the seat portion side from the front frame of the seat portion. The end portion on the seat side of the cover 34 covering the portion and the backrest portion is fixed. FIG. 5 (5-3) shows a state where the center pad is attached to the three tension belt members 11 that are stretched under the frame of the backrest portion. FIG. 5 (5-4) shows a center pad attached to two connected tension belt members 11 that are connected to the upper portion of the frame of the backrest portion. The front side where the back surface of the tension belt member of FIG. 5 (5-3) is engaged with the hook-and-loop fastener is attached with the hook-and-loop fastener, and the backrest portion with the pocket of the cover 34 covering the seat portion and the backrest portion. The hook-and-loop fastener attached to the end of the side is engaged, and the backrest portion side with the pocket of the cover 34 covering the seat portion and the backrest portion is stably fixed.
[0022]
FIG. 6 shows the front side where the center pad 19 is attached to the tension belt member 11. FIG. 6 (6-1) shows two connected tension belt members 11, which are stretched on the front side of the seat portion or on the upper portion of the backrest portion. FIG. 6 (6-2) shows three connected tension belt members 11, which are stretched on the back side of the seat portion or the lower portion of the backrest portion. A hook-and-loop fastener is affixed to the surface of the center pad 19 and engages with a hook-and-loop fastener affixed to the back surface of the cover that covers the seat and the backrest, so that the cover that covers the seat and the backrest is securely attached. Secure to the seat and back.
[0023]
FIG. 7 (7-1) shows an example in which a tension belt member 11 is stretched on the backrest portion of the chair. As shown in FIG. 7 (7-2), the tension belt member 11 is stretched by attaching the auxiliary frame 32 provided with a gap 33 through which the tension belt member 11 or the auxiliary tension belt member 14 is passed to the rear frame 31 of the chair or the seat. The fixing portion 17 or 15 is fixed with screws or scissors through a gap 33 through which the tension belt member 11 or the auxiliary tension belt member 14 passes. Alternatively, as shown in FIG. 7 (7-2), a gap 33 through which the tension belt member 11 or the auxiliary tension belt member 14 is directly passed is provided in the rear frame 31 of the chair or the side frame 35 of the seat (see FIG. 8). The fixing portion 17 or 15 may be fixed with screws or scissors through the tension belt member 11 or the auxiliary tension belt member 14 through the gap 33.
[0024]
FIG. 8 shows an example in which a cover 34 covering the seat portion and the backrest portion is attached to the wheelchair on which the seat portion and the backrest extending member 200 of the present invention are attached. When the seat and backrest extending member of the present invention is stretched without leaving a gap between the center pads attached to the tension belt member, the seat 34 and the backrest can be seated without being particularly attached. However, in order to sit on for a long time, it is better to wear the cover 34 that covers the seat and the backrest, and the seating comfort is better and it does not get tired. Moreover, the beauty of the wheelchair is improved by attaching the cover 34 that covers the seat and backrest of various patterns and colors.
[0025]
FIGS. 9A and 9B show a state as seen from the upper side of a conventional backrest portion in which a belt 35a is attached to the cushion 35. FIGS. As shown in FIG. 9 (9-1), when the belt attached to the cushion 35a is stretched evenly on the left and right rear frames 31, the cushion 35 is in the middle of the left and right rear frames 31, No problem will occur, but if one of the belts 35a is loosened according to the occupant's body shape and disease state, the cushion will not be displaced from the center of the left and right rear frames as shown in A, making the seat less comfortable and longer. Over time, it can also cause sores.
[0026]
On the other hand, when the tension belt member of the present invention is used, as shown in the rear view of FIG. 9 (9-3) and the top view of (9-4), the tension belt member 11 is loosened to position the belt. Even if it is shifted, the position of the center pad 19 inserted through the tension belt member 11 is always in the middle of the left and right rear frames 31, and the cushion 35 attached to this center pad is maintained at the center of the left and right rear frames 31. Can give the occupant a sense of security and stability.
[0027]
The seat and backrest extending member of the present invention comprising the tension belt member to which the hook-and-loop fastener is attached and the auxiliary belt member to which the buckle is attached is the fixed portion at one end of the tension belt member. Is fixed to the frame with screws, scissors or the like, the other end is a free end, and the length can be adjusted by passing this free end through the buckle of the auxiliary tension belt member. As a result, since it is possible to adjust the tension of each tension belt member, the lengths of the seat portion and the backrest portion can be finely adjusted according to the body condition of the occupant.
[0028]
Two or three tension belt members with hook-and-loop fasteners attached at both ends in the short direction are connected by a connecting tape member, the other end is a free end, and this free end is passed through a buckle of an auxiliary tension belt member. By making it possible to adjust the tension of each tension belt member, a combination of two or three tension belt members makes it possible to use a seat and backrest tension member in accordance with the purpose. At the same time, the tensioning becomes easy. Furthermore, by adjusting the tension of the individual tension belts, it is possible to obtain a seat portion and a backrest portion suitable for the occupant depending on the condition of the occupant's body and weight.
[0029]
By attaching the center pad to the tension belt member, the feeling of the tension belt is not directly transmitted to the body, so that the buttock and the lower back do not hurt even when sitting for a long time, and the wound is effectively prevented. Unlike conventional seats with tension belts (cushions, etc.), when the tension is adjusted, the seating position does not shift from the center even if the belt is loosened. be able to. As described above, the tension belt member constituting the seat portion and the backrest extending member of the present invention can determine the angle and length of the seat portion and the backrest according to the body condition, disease state, body shape, or wheelchair of the seated person. It has the effect of being easily adjustable according to the length and width.
[Brief description of the drawings]
FIG. 1 is a front view of a tension belt member and a center pad.
FIG. 2 is a front view of two or three tension belt members for a backrest.
FIG. 3 is a front view of two or three tension belt members for a seat portion.
FIG. 4 is a front view of a center pad.
FIG. 5 is a back view of a tension belt member inserted through a center pad.
FIG. 6 is a front view of a tension belt member inserted through a center pad.
FIG. 7 is a partial perspective view of a chair backrest and a frame.
FIG. 8 is a perspective view of a wheelchair.
FIG. 9 is a partial top view showing the position of the cushion.
[Explanation of symbols]
100: Seat and backrest tensioning member 200: Seat and backrest tensioning member 11: tension belt member 12: hook-and-loop fastener (male) composed of two or three tension belt members
13: Hook fastener (female)
14: auxiliary tension belt member 15: fixing portion 16: buckle 17: fixing portion 18: free end 19: center pad 20: connecting tape member 31: rear frame 32: auxiliary frame 33: gap through which the tension belt member is passed 34: seat portion And cover 35 that covers the backrest: cushion

Claims (3)

A seat and backrest extending member for fixing a seat and a backrest attached to a chair, wherein the extending member has at least one tension member having hook-and-loop fasteners attached to both longitudinal ends. A belt member, and at least one auxiliary tension belt member having a buckle attached at one end and a fixing portion fixed to the frame at the other end, the tension belt member fixing to the frame at one end; A seat portion and a backrest portion extending member comprising a free end portion inserted into the buckle of the auxiliary tension belt member at the other end, and a center pad inserted through the tension belt member. A tension member for fixing a seat portion and a backrest portion to be attached to a chair, and the tension member includes two or three tension belt members having hook-and-loop fasteners attached to both ends in the longitudinal direction. , Consisting of two or three auxiliary tension belt members with a buckle attached to one end, the two or three tension belt members being fixed to a frame whose one end in the longitudinal direction is connected by a connecting tape member And the other end of the two or three auxiliary tension belt members having the other end formed by a free end portion inserted through the buckle of the auxiliary tension belt member and the buckle attached to the one end. A seat portion and a backrest portion extending member comprising a fixing portion that is fixed to a frame that is connected to each other. The seat part and the backrest part extending member according to claim 2, wherein a center pad is inserted through two or three tension belt members.

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