JP6306122B1 - Chair shade - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shade for a chair that can be attached and detached according to the situation and the height position can be adjusted without modifying the chair. A pair of left and right shade supports externally fitted to the left and right sides of a backrest, and a shade body formed in an arch shape with a deformable bone member supported across the pair of left and right shade supports. The pair of left and right shade supports are connected to each other, and a connecting body is provided for setting the distance between them in accordance with the width of the backrest. [Selection] Figure 1

Description

  The present invention relates to a chair shade attached to a passenger chair or the like of a bus.

  In the long-distance travel bus, there is a break time to stop in the service area of the expressway, but there are many passengers who stay in the car and take a nap and do not want other passengers to see their sleeping faces. Also, sleep may be disturbed when the interior of the vehicle is bright in the sunlight or when the interior lighting is turned on during a night break. Then, the proposal which ensures a privacy and sleep environment by providing the folding-type shade which covers an upper part in a passenger chair, and making each passenger operate is made (for example, refer patent document 1).

JP 2007-105225 A

  By the way, if you are not traveling long distances on the same bus, for example, if you want to see the scenery outside the car, enjoy conversations with passengers, or if all passengers get off at the parked tourist spot, use a shade On the other hand, the raised shade may give the passenger a feeling of pressure, so it is desirable to remove it if possible.

  However, the conventional shade has a structure in which the shade body is supported by a bracket integrally fixed to the frame inside the backrest of the chair and cannot be removed. Conversely, even if it is desired to attach a shade to a chair that is not equipped with a shade, since the shade mounting bracket is not provided, it is necessary to modify the chair.

  Also, depending on the passenger's physique, the height of the shade does not match, and even if the shade hits the head and feels cramped or light enters around the eyes, the conventional shade cannot be adjusted in height. .

  In view of the above circumstances, the present invention is for a chair that can be easily mounted and removed in accordance with the situation and can be adjusted in height without modifying the chair that is not originally provided with a shade. The object is to provide a shade.

The invention according to claim 1 is a bracket having a substantially U-shaped cross section, and left and right shade support bodies that are externally fitted to the left and right sides of the backrest so that the bracket sandwiches the backrest in the front-rear direction. A shade main body having a deformable bone member straddling the shade support, and the left and right shades attached to connect the left and right shade supports separately from the shade main body. The width of the support body is regulated to maintain the curved shape of the arch shape of the bone member that is supported at both ends, and the left and right shade support bodies are fitted on the left and right sides of the backrest. left, right, and connecting body to regulate so as not come off outward direction, it includes a, wherein the coupling element is formed by the strap, be fitted the right and left shade support from the backrest when It is disposed only on the rear side of the backrest to provide a chair shade characterized by Rukoto.

The invention according to claim 2 is a bracket having a substantially U-shaped cross section, and the left and right shade support bodies that are respectively fitted to the left and right sides of the backrest so that the bracket sandwiches the backrest in the front-rear direction. A shade main body having a deformable bone member straddling the shade support, and the left and right shades attached to connect the left and right shade supports separately from the shade main body. The width of the support body is regulated to maintain the curved shape of the arch shape of the bone member that is supported at both ends, and the left and right shade support bodies are fitted on the left and right sides of the backrest. be provided with a connecting member for restraining the backrest from the left and right sides when said coupling member is formed by the strap, the rear side of the backrest of the left and right shade support is fitted Only arranged to provide a chair shade characterized by Rukoto.

According to a third aspect of the invention, the shade body, the the bone member of the plurality of flexure deformable arcuate supported across the left and right shade support bear by bridging the sheet member, prior SL multiple The bone member is opened in a fan shape in a side view and the sheet member is stretched in a semi-dome shape, and the plurality of bone members are closed and the seat member is folded along a backrest. A chair shade according to claim 1 or 2 is provided.

According to a fourth aspect of the present invention, there is provided the chair shade according to any one of the first to third aspects, wherein the connecting body is divided and formed in the left-right direction so as to be separable and connectable.

The invention according to claim 5 is the chair shade according to any one of claims 1 to 4 , wherein the connecting body is separable and connectable to at least one of the left and right shade supports. provide.

According to a sixth aspect of the present invention, there is provided the chair shade according to any one of the first to fifth aspects, wherein the connecting body has a length adjuster for adjusting the length thereof.

The invention according to claim 7 provides a passenger chair for a bus, wherein the chair shade according to any one of claims 1 to 6 is mounted.

  According to invention of Claim 1, the following outstanding effects can be show | played. The left and right shade supports are connected to each other by connecting the left and right shade supports with a connecting body separately from the shade body by straddling a shade body having a deformable bone member on the left and right shade supports. The width of the frame is regulated to maintain the arched shape of the bone members supported by the left and right shade supports, and the left and right shade supports are fitted on the left and right sides of the backrest. By restricting the movement in the left-right direction so that it does not come off the backrest when it is moved, the shade can be held on the backrest that does not have a fixing bracket or the like.

Moreover, the shade mounting position can be set to a height suitable for the seated person by sliding the shade support body having a substantially U-shaped cross section in the vertical direction with respect to the backrest. Since the strap is freely deformed by flexibility and conforms to the backrest shape, the strap need not be processed in advance. Therefore, it can be manufactured at low cost and can be attached to a backrest of different shape. Since the shade body can be bent, the flexibility of adjusting the outer fitting position of the shade support by moving the left and right sides one by one is also effective. If the connecting body is passed only through the back side of the backrest (the back side of the backrest), it does not hit the back of the seated person and does not cause a sense of incongruity.

  According to invention of Claim 2, the following outstanding effects can be show | played. The left and right shade supports are connected to each other by connecting the left and right shade supports with a connecting body separately from the shade body by straddling a shade body having a deformable bone member on the left and right shade supports. The width of the frame is regulated to maintain the arched shape of the bone members supported by the left and right shade supports, and the left and right shade supports are fitted on the left and right sides of the backrest. By restraining the backrest from the left and right sides with the shade support when it is moved, the shade can be fixed to the backrest that does not have a fixing bracket or the like.

Moreover, the shade mounting position can be set to a height suitable for the seated person by sliding the shade support body having a substantially U-shaped cross section in the vertical direction with respect to the backrest. Since the strap is freely deformed by flexibility and conforms to the backrest shape, the strap need not be processed in advance. Therefore, it can be manufactured at low cost and can be attached to a backrest of different shape. Since the shade body can be bent, the flexibility of adjusting the outer fitting position of the shade support by moving the left and right sides one by one is also effective. If the connecting body is passed only through the back side of the backrest (the back side of the backrest), it does not hit the back of the seated person and does not cause a sense of incongruity.

According to invention of Claim 3 , in addition to the effect which invention of Claim 1 or 2 show | plays, the following outstanding effects can be show | played. Since the shade body has a structure in which the sheet member is simply fastened to the arch-shaped bone member, the shade body can be manufactured at a light weight and at a low cost . In the unfolded state where the bone member is opened in a fan shape, the seat member can be stretched to cover the seated person's head, while in the contracted state where the bone member is closed, the seat member is folded along the backrest and the seat member's head is folded. It does not get in the way.

According to invention of Claim 4 , in addition to the effect which invention of Claim 1 thru | or 3 , there exists the following outstanding effects. If the divided and formed connecting body is separated, the shade main body is bent to widen the interval between the shade support bodies, so that the outer back can be easily fitted to the backrest from the right and left sides.

According to the invention described in claim 5 , in addition to the effect produced by the invention described in claims 1 to 4 , the following excellent effect can be obtained. If the shade support body and the coupling body are separated, the shade body can be bent to widen the interval between the shade support bodies, so that it can be easily externally fitted to the backrest from the left and right outside directions.

According to invention of Claim 6 , in addition to the effect which the invention of Claim 1 thru | or 5 show | plays, the following outstanding effects can be show | played. When the connecting body is extended with the length adjuster, the shade main body is bent to widen the interval between the shade supports, so that the backrest can be easily externally fitted from the right and left sides. If the connecting body is shortened with the length adjuster after mounting, the shade support can be narrowed and the backrest can be restrained from both the left and right sides to be surely fixed. In particular, if the backrest is formed of a cushioning material, the holding force can be further enhanced by the repulsive force of bending. In addition, it can attach to the backrest from which a width | variety differs in width by changing the space | interval of a shade support body by adjusting the length of a coupling body.

According to the passenger chair for a bus according to the invention described in claim 7, the effect of the chair shade according to claims 1 to 6 can be achieved.

The perspective view of a shade (contraction state). The perspective view of a shade (expanded state). The cross-sectional view of the attachment part of a shade. The assembly perspective view which shows the relationship between a shade support body and a shade main body (bone member). The perspective view which shows the relationship between a shade support body and a shade main body (bone member). The perspective view which shows the relationship between a shade support body and a shade main body (sheet | seat member). The cross-sectional view of the backrest to which the shade is to be attached.

(Shade for chair 1)
Embodiments according to the present invention will be described with reference to the drawings. A chair shade (hereinafter simply referred to as “shade”) 1 according to the present embodiment is detachable from a backrest S of a passenger chair on a bus, and is in a contracted state in which a shade body (hereinafter simply referred to as “body”) 3 is closed. (FIG. 1) and an unfolded state (FIG. 2) in which the main body 3 is expanded. The backrest S to which the shade 1 is to be attached is formed by covering the front and side surfaces of a metal frame with a polyurethane cushion material and further covering them with a cloth skin, and the cross section is shown in FIG. As shown in FIG. Although constant but regardless of the lateral width dimension (width) Ws is the height of the backrest S, not constant before and after the width (thickness) T _S, the upper end portion closer (part head hits) is slightly thick, The lower part is thinner than that, and the thickness increases from there downward.

  As shown in FIGS. 1 to 3, the shade 1 includes a pair of left and right shade supports (hereinafter simply referred to as “supports”) 2 and 2 that are respectively fitted to the left and right sides of the backrest S, and a pair of left and right shades. A main body 3 having a plurality of flexibly deformable arch-shaped bone members supported across the support body 2.2, and a pair of left and right support bodies 2 and 2 connected to each other separately; A band-shaped strap coupling body 4 is provided that regulates the movement of the support bodies 2 and 2 so that they do not deviate in the left-right outer direction by setting the interval W between the support bodies 2 and 2 to match the lateral width Ws of the backrest S. .

(Support 2)
The left and right supports 2 and 2 are symmetrical metal brackets formed by bending a metal plate such as stainless steel or aluminum, and are opposed to each other so that the backrest S can be fitted and engaged from both left and right sides. Is provided. As shown in FIGS. 1 and 3, each support body 2 is formed in a U-shaped cross section, and the inner surfaces of the U-shaped opposing portions (hereinafter referred to as “clamping portions”) 2a and 2b. There sandwich the contact with the backrest S in the longitudinal direction on the front S _F and rear S _R of each backrest S. Clamping portion 2a, site connecting 2b (hereinafter, referred to as "connecting portions") 2c is a contact with the side surfaces S _S as shown in FIG. As shown in FIGS. 1 and 3, a vertically long slit-like insertion hole 2 d is formed through the holding portion 2 b, and a connecting body 4 inserted and fixed in the insertion hole 2 d is externally fitted to the backrest S. A pair of left and right supports 2 are connected to each other. The outer surface of the U-shape is covered with a cover 33 that is formed integrally with a sheet member 32 described later, including the support portion of the main body 3 and the coupling portion with the coupling body 4.

The front-rear width dimension (inner width) T between the sandwiching portions 2a and 2b shown in FIG. 3 is substantially the same as the thickness T _S (FIG. 7) around the center of the backrest S in the vertical direction (hereinafter referred to as “midway position”). Is set. In a little below the upper end of the backrest S, smaller than the inner width T of the thickness T _S is nipped portion, but the support 2 results in a gap fitted causes the longitudinal direction to the support body 2 downward move from there to midway position When, with the thickness T _S and the inner width T matches, clamping portion 2a as shown in FIG. 3, 2b are front and rear surfaces S _F, comes into contact with the S _R, the support 2 with the controls backward and forward movement It is restrained so as not to slide down. The width dimension Ws between the supports 2 and 2 shown in FIG. 3 (the distance between the inner surfaces of the connecting portions 2c and 2c) W is set to the width dimension Ws of the backrest S by the length adjusting mechanism 41 (details will be described later). By adjusting according to (FIG. 7), the coupling body 4 is stretched so as to extend in the lateral direction substantially straight, thereby restricting the lateral movement of the support bodies 2 and 2.

  As described above, when the backrest S is sandwiched in the front-rear direction by the sandwiching portions 2a and 2b, the support bodies 2 and 2 are restrained so as not to slide downward, and are further attracted to each other by the connecting body 4. Therefore, it is regulated so that it does not come off in the left-right direction. As a result, the pair of left and right supports 2 and 2 are held so as not to drop off from the backrest S that does not have a fixing bracket or the like.

Even in the lower position where the thickness T _{S of the} backrest S increases, if the cushion material is bent in the front-rear direction, the U-shaped supports 2 and 2 can be externally fitted. The shade 1 can also be attached to the position. In this case, the repulsive force in the front-rear direction of the cushion material is increased, and the supports 2 and 2 are securely held. Also, small thickness T _S of the backrest, clamping portions 2a, 2b and the front and rear surfaces S _F of the _cushion, also in the upper position where it is gap between S _R, supported by shortening the connecting member 4 in the length adjusting mechanism 41 body 2 , 2 to fasten the backrest S from both the left and right sides, the supports 2 and 2 can be held, so that the shade 1 can be attached to a high position suitable for a large person. In this case, the support bodies 2 and 2 are reliably hold | maintained because the repulsive force of the left-right direction of a cushion material increases. The thickness T _S is nipped portion 2a of the backrest S, 2b equal to the inner width T of, or the support 2, 2 so fitted to the inner width T larger position, if so as to reduce the connector 4 The cushion material is slightly bent in the lateral width direction and swells in the thickness direction, and the support bodies 2 and 2 are more reliably held by the repulsive force.

  In any of the above cases, the shade supports 2 and 2 are held in a state where they are directly engaged with the left and right side portions that are the main body portion of the backrest S, and a receiving bracket for fixing the shade is provided on the backrest S side. It can be attached even if it is not. Moreover, even when the shade is removed, if there is no metal fitting or the like, there is no fear that people will get caught and get injured or break clothes, and the appearance will be good.

(Main unit 3)
As shown in FIGS. 1 and 2, the main body 3 includes three (a plurality of) arch-shaped bone members 31a, 31b, and 31c that are supported at both ends so as to straddle the pair of left and right supports 2 and 2, It has a cloth sheet member 32 that is fastened to these bone members so as to be bridged in the front-rear direction, and is formed in a generally arched shape that can be bent and deformed as a whole and straddles the supports 2 and 2. When the main body 3 is closed rearward so that the bone members 31a, 31b, 31c are brought close to the backrest S as shown in FIG. 1, the seat member 32 is also contracted along the backrest accordingly. Further, when the bone member 31c is pulled forward from the contracted state, the seat member 32 and the bone member 31b are also pulled to open in a fan shape when viewed from the side, and as shown in FIG. The unfolded state is stretched over.

  Each of the bone members 31a, 31b, and 31c is formed of a narrow strip-shaped wire made of a material that can be bent and deformed, such as a spring steel wire, and the connecting body 4 defines the interval in the lateral width direction. Both ends are supported by the connecting portions 2c and 2c, and the arch-shaped curved state is maintained. 3 to 5, the bone member 31a is a fixed bone member whose both ends are non-rotatably attached by rivets or the like (not shown) along the inner surface of the connection portion 2c. Thus, when the support bodies 2 and 2 are externally fitted to the left and right side portions of the backrest, the support bodies 2 and 2 are supported at an angle substantially along the backrest S. As shown in FIGS. 3 and 4, the remaining bone members 31b and 31c are movable bone members that are pivotally supported by support shafts 21 having both end portions formed by drilling shaft holes projecting outside the connection portion 2c. The retaining shaft 34 attached to the tip of the support shaft 21 is prevented from coming off.

  The movable bone member 31b is formed in an arch shape slightly larger than the fixed bone member 31a attached to the inner surface side of the connecting portion 2c, and the movable bone member 31c is formed in an arch shape slightly larger than the movable bone member 31b. Although attached to the outside of the movable bone member 31b, as shown in FIG. 1, when the movable bone members 31b and 31c are rotated and moved backward, the fixed bone member 31a interferes with the movable bone member 31b. The movable bone member 31b interferes with the movable bone member 31b and serves as a stopper that prevents the movable bone member from going too far backward. In addition, when the cloth member 32 is stretched at the time of forward deployment, the sheet member 32 functions as a forward rotation restricting stopper for the movable bone members 31b and 31c.

  The sheet member 32 is formed of a thin light-shielding material, and is sewn three-dimensionally so as not to loosen when stretched as shown in FIG. Elongated sleeves 32a, 32b, and 32c for receiving and holding the bone members 31a, 31b, and 31c on the back side of the seat member 32 so that the user's fingers and head are not injured by directly touching the bone members and the head (see FIG. 6). ) Are provided integrally. The sleeves 32a, 32b, and 32c can be opened and closed with a fastener (not shown) such as a hook-and-loop fastener, and are attached to the seat member 32 by wrapping the bone members 31a, 31b, and 31c and closing with the fastener. As shown in FIG. 6, a cover 33 that covers the outside of the support 2 is integrally provided at the lower end of the sheet member 32, and attachment work is performed in accordance with the sheet member being fastened to the bone member. Can do.

  Fasteners 321 and 322 are provided at the front and rear ends of the center of the sheet member 32 in the lateral direction. The movable bone members 31b and 31c are closed so as to overlap with the fixed bone member 31a, and when they approach each other, they are engaged as shown in FIG. 1 so as to prevent the shade from unintentionally expanding. When the shade is deployed, the engagement is released. Further, a small window 323 covered with a mesh sheet is provided in a portion of the sheet member 32 that is stretched between the movable bone members 31b and 31c so that the outside can be seen from the developed shade. .

  In the unfolded state in which the bone members 31a, 31b, and 31c are expanded in the front-rear direction, the main body 3 stretches the light-shielding sheet member 32 between the bone members 31a, 31b, and 31c and covers the seated person's face to ensure privacy. In addition, the insertion of light into the line of sight can be prevented. In the contracted state in which the bone members 31a, 31b, and 31c are closed to the backrest S, the seat member 32 can be folded along the backrest S. In addition, since it is a structure which fastens a sheet | seat member to an arch-shaped bone member, it can manufacture lightweight and cheaply.

(Connected body 4)
When the shade 4 is attached to the chair, the coupling body 4 is formed of a cloth-like strap and is attached to the holding portions 2b and 2b to connect the supports 2 and 2 to each other separately from the main body 3. to be routed without generating a large step along the surface S _R planar rear of the backrest S as shown in FIG. Straps because there is flexibility, even if the rear surface S _R is such that there is a bulge not flat, it is possible to Torimawasu by some extent freely deformed. In addition, coupled with the fact that the main body 3 can be bent and deformed, it is easy to make use of flexibility such as adjusting the external fitting positions of the left and right shade support members one by one when the chair is mounted.

  The connection body 4 is not a so-called single object, and is divided into right and left at a midway portion in the longitudinal direction. One end (hereinafter referred to as “fixed end”) 42a and 43a is coupled to the left and right support bodies 2 and 2 respectively, and the other end (hereinafter referred to as “free end”). ) 42b and 43b can be separated and combined with each other. The fixed ends 42a and 43a are inserted into the insertion holes 2d and 2d of the supports 2 and 2, respectively, and the portions protruding to the back side of the insertion holes are folded back and stitched in a state where they are overlapped with the same divided coupling bodies 42 and 43 themselves. Has been. The free end 42b of the divided coupling body 42 is inserted into one frame hole 44a of a buckle 44 having a quadrangular frame shape, and a portion protruding to the back side of the frame hole is folded back to the same divided coupling body 42 itself. The buckle 44 is attached by sewing in the overlapped state. A male end surface fastener 45 is attached to the free end 43b of the divided connection body 43 near the tip of the connection body 4, and a female surface fastener 46 is attached to the middle away from the longitudinal direction.

  Accordingly, the split connection body 43 is inserted into the other frame hole 44b of the buckle 44, the free end 43b protruding on the back side thereof is folded back, and the male surface fastener 45 and the female surface fastener 46 are engaged, whereby the split connection is achieved. The bodies 42 and 43 are connected to each other and the supports 2 and 2 are connected. Further, when the engagement of the male surface fastener 45 and the female surface fastener 46 is released, the divided connecting bodies 42 and 43 can be separated, and the connection of the supports 2 and 2 by the connecting body 4 can be disconnected. Further, the engagement position of the male surface fastener 45 and the female surface fastener 46 is shifted in the longitudinal direction of the connection body 4 to change the folding length of the free end 43b, thereby adjusting the length of the connection body 4. It functions as a thickness adjusting mechanism 41.

Connector 4 are the deformable along the backrest S when worn, pre shaping is not necessary to the, if other components on the rear surface S _R (e.g. assist grip or the like) such as non-flat is mounted But it can be freely deformed to follow them or bypass them. Therefore, it is not necessary to replace the coupling body according to a slight difference in chair shape or specification, to increase the types of shades, or to separately manage many types of shades.

If or to the thickness T _S is loosened or detached in the middle of the connecting member 4 even when such larger inner width T of the support body 2 at the upper end of the backrest S, spacing of the support 2, 2 by bending the main body 3 Can be easily mounted on the backrest S from the left and right outer sides. Since the main body 3 can be bent and deformed, it can be attached to chairs having different backrest widths. In the case of finely correcting the position and inclination after the shade is mounted, it is more efficient to move the supports 2 and 2 without loosening the connecting body 4, but in this case, the strip-like connecting body 4 Is easy to work on because it is hard to get stuck or caught on the backrest surface. Connecting body 4, since it is laid only after the surface S _R side of the backrest S, it is not possible to give a sense of discomfort to the seated person's back to lean on the front S _F. If the left and right shade supports 2 and 2 are held so as not to drop off or can be fixed to the backrest S, there is no particular problem even if the connecting body 4 is provided only on the back side of the backrest.
(Modification of the above embodiment)

  In the above embodiment, the support 2 is a metal bracket, but it can also be made of synthetic resin or wood. The mating surface (inner surface) with the backrest S is fitted with a non-slip material to suppress relative movement with the backrest and a cushioning material to improve the holding force against the backrest due to the repulsive force caused by bending during external fitting. May be. Although the support body 2 has a U-shaped cross section, it may have another shape as long as it can be externally fitted so as to sandwich the backrest in the front-rear direction. For example, one or both of the corners of the U-shape may be rounded, It is good also as a substantially U shape which changed the opening angle of a corner | angular part. The support bodies 2 and 2 are not limited to the left-right symmetric shape, and may be a left-right asymmetric shape when the backrest to be attached is a left-right asymmetric shape. In the above embodiment, the support bodies 2 and 2 and the connecting body 4 (strap) are separately formed and combined, but they may be integrally formed.

  In the above-described embodiment, the connecting portions 2c and 2c of the supports 2 and 2 are described as being in contact with both side surfaces of the backrest S. However, the movement is restricted to the extent that the supports 2 and 2 do not come off in the laterally outward direction. If possible, there may be a gap between the connecting portions 2c and 2c and both side surfaces of the backrest S. That is, the distance W between the supports 2 and 2 does not necessarily match the lateral width Ws of the backrest S.

  In the above embodiment, in the main body 3, the bone member 31a is separated from the bone members 31b and 31c and fixed to the supports 2 and 2, but the bone member 31a is also supported on the support shaft 21 in the same manner as the bone members 31b and 31c. Alternatively, a rotation stopper may be provided so as not to rotate. The material for forming the sheet member of the main body 3 is not limited to cloth, but a leather sheet or soft resin sheet having flexibility similar to cloth, or a sheet processed to have a stretchable bellows-like fold. May be adopted. Further, if the main body 3 has a shape that does not interfere with the standing of the chair, it is not necessary to be able to contract, and all the bone members may be fixed. The main body 3 is not limited to one formed by combining a bone member and a sheet member as long as it can be bent and deformed, and may be integrally formed with a synthetic resin.

In the above embodiment, and the provision of the connector 4 on the rear surface S _R side of the backrest only, it may be provided on the front S _F side. This is because if the strap is flexible and does not easily cause a level difference, the feeling of discomfort given to the seated person's back is small. The connection body 4 is not limited to a belt-like strap made of cloth, but may be made of leather, paper, metal, or synthetic resin, or may be wire, string, or chain. Further, the connecting body 4 is formed of the split connecting bodies 42 and 43 that can be separated and combined so that the connection between the left and right supporting bodies 2 and 2 can be disconnected, but in addition to or instead of this, the supporting body You may make it possible to isolate | separate and couple | bond the connection body 4 with at least one of 2,2. In the above embodiment, the divided coupling bodies 42 and 43 can be separated and combined with the hook-and-loop fastener, but other fasteners (for example, pin buckles, two-hole buckles, hook hooks, spring hooks, button hooks, etc.) are used. Also good. It should be noted that the strap length can be adjusted if these fasteners can be engaged at a plurality of positions in the longitudinal direction of the strap.

  In the above-described embodiment, the shade 1 is described as being mounted on the backrest of a bus passenger chair. However, the chair shade according to the present invention may be applied to a passenger chair in a vehicle other than a bus. It can also be applied to chairs used in addition to, for example, sofas and other chairs installed outdoors.

1 Shade for chair 2 Shade support 2a Clamping part (front side)
2b Clamping part (rear side)
2c Connecting portion 2d Insertion hole 3 Shade body 31a Fixed bone member 31b Movable bone member 31c Movable bone member 32 Sheet member 323 Small window 33 Cover 4 Connected body 41 Length adjustment mechanism 45 Male surface fastener 46 Female surface fastener S Backrest

Claims (7)

Left and right shade supports that are externally fitted to the left and right sides of the backrest so that the bracket sandwiches the backrest in the front-rear direction, with a bracket having a generally U-shaped cross section ,
A shade body having a deformable bone member straddling the left and right shade supports;
Separately from the shade main body, it is attached to connect the left and right shade supports, and defines an interval in the width direction of the left and right shade supports to form an arch shape of a bone member that is supported at both ends. A connecting body that maintains a curved state and regulates the left and right shade support members so that they do not come off from the backrest in the left-right outer direction when they are fitted on the left and right sides of the backrest ,
Wherein the coupling element is formed by a strap, chair shade the left and right shade support is characterized Rukoto disposed only on the rear side of the backrest to be fitted. Left and right shade supports that are externally fitted to the left and right sides of the backrest so that the bracket sandwiches the backrest in the front-rear direction, with a bracket having a generally U-shaped cross section ,
A shade body having a deformable bone member straddling the left and right shade supports;
Separately from the shade main body, it is attached to connect the left and right shade supports, and defines an interval in the width direction of the left and right shade supports to form an arch shape of a bone member that is supported at both ends. A connecting body that maintains a curved state and restrains the backrest from both the left and right sides when the left and right shade support bodies are fitted on the left and right sides of the backrest , and
Wherein the coupling element is formed by a strap, chair shade the left and right shade support is characterized Rukoto disposed only on the rear side of the backrest to be fitted. The shade body, the the bone member of the plurality of flexure deformable arcuate supported across the left and right shade support bear by bridging the sheet member, open front SL more bone members in a side view fan claim, characterized in which said the unfolded state passing stretched sheet members generally semi-dome shape, to close the plurality of rib members may be made in the contracted state folded along the backrest of the seat member Te 1 or 2 The shade for the chair described. The chair shade according to any one of claims 1 to 3 , wherein the connecting body is divided in the left-right direction so as to be separable and connectable. The chair shade according to any one of claims 1 to 4 , wherein the connecting body is separable and connectable to at least one of the left and right shade supports. The chair for a chair according to any one of claims 1 to 5 , wherein the connector has a length adjuster for adjusting the length thereof. A chair for passengers of a bus, wherein the chair shade according to any one of claims 1 to 6 is mounted.

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