Slip-on seat cover

Abstract

To provide a rear covering sheet cover capable of covering a base sheet cover in a properly aligned state.SOLUTION: A rear covering sheet cover 1 covering a base sheet cover 10 covering a seat surface is provided with a cover part 2 covering the base sheet cover 10, an engaged part 3 provided on a cover rear surface of the cover part 2, and a fixture 4 having an engaging part 4A detachably engaged with the engaged part 3 and a locking part 4B inserted so as to be held at a sewn part 11A of the base sheet cover 10.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a rear seat cover, and more particularly to a rear seat cover that is fitted over a base seat cover that covers the surface of a seat. [Background technology]

[0002] Patent Document 1 discloses a rear-mounted seat cover that is attached to the surface of a seat after the fact. This rear-mounted seat cover is attached to the cover surface of a base seat cover that covers the surface of the seat. Specifically, the rear-mounted seat cover is detachably fixed to the base seat cover by inserting fixing devices attached to the back surface of the cover into seams of the base seat cover. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 11-9400 Summary of the Invention [Problem to be solved by the invention]

[0004] In the configuration described in Patent Document 1, the fastener is attached by passing it through a belt-shaped hook portion sewn to the back surface of the rear-fitting seat cover, which causes a problem that the fastener is easily displaced in the belt length direction (seat width direction) relative to the hook portion.

[0005] Therefore, the present invention provides a rear-fitting seat cover that can be properly aligned and fitted onto a base seat cover. [Means for solving the problem]

[0006] As a means for solving the above problems, the rear seat cover of the present invention employs the following means.

[0007] In other words, the first invention of the present invention is a rear-fitting seat cover that is placed around a base seat cover that covers the surface of a seat, and has a cover portion that is placed over the base seat cover, an engaged portion that is provided on the back surface of the cover portion, an engaging portion that detachably engages with the engaged portion, and a fixing device that has a locking portion that is inserted to hold the position at a stitched portion of the base seat cover, and the engaging portion and the engaged portion engage with each other so that they are always abutting each other in the seat width direction.

[0008] According to the first aspect of the present invention, the engaging portion of the cover portion engages with the fastener that is inserted into the seam of the base seat cover to fix the position so as to be in constant contact with the seat width direction, thereby suppressing misalignment in the same direction. Therefore, the rear covering seat cover can be placed on the base seat cover in a properly aligned state.

[0009] The second invention of the present invention is a rear-mounted seat cover in which, in the first invention, the cover portion is placed over the base seat cover so that the breaking portion that breaks along with the burst line is aligned with the burst line of the side airbag set on the base seat cover.

[0010] According to the second aspect of the present invention, the rear covering seat cover can be placed on the base seat cover with the breaking portion properly aligned with the burst line.

[0011] The third invention of the present invention is a rear-fitting seat cover according to the second invention, wherein the fixing device and the engaged portion are provided at least at the stitching portion closest to the side where the side airbag is provided, among the pair of stitching portions provided in the seat width direction on the top plate portion of the base seat cover.

[0012] According to the third aspect of the present invention, the cover portion can be held in position at least at a portion of the top plate portion of the base seat cover that is closer to the side airbag, thereby allowing the rear covering seat cover to be placed on the base seat cover in a more appropriately aligned state.

[0013] The fourth invention of the present invention is a rear-fitting seat cover in which, in any of the first to third inventions above, the thickness in the seat width direction of the insertion portion inserted into the stitching portion of the locking portion is smaller than the thickness in the seat width direction of the base portion connected to the engaging portion of the locking portion.

[0014] According to the fourth aspect of the present invention, the locking portion of the fixture can be configured to be easily inserted into the sutured portion while ensuring the structural strength of the base portion, which is prone to receiving load.

[0015] A fifth aspect of the present invention is a rear-fitting seat cover according to the fourth aspect, wherein the insertion portion of the locking portion extends from the base portion so as to taper in thickness.

[0016] According to the fifth aspect of the present invention, the locking portion of the fixture can be configured to be more easily inserted into the suture portion while ensuring the structural strength of the base portion.

[0017] The sixth invention of the present invention is a rear-fitting seat cover in which, in any of the first to third inventions above, the engaged portion extends in the seat height direction along the cover portion, and the engaging portion has claws at both ends in the seat height direction that engage with the engaged portion.

[0018] According to the sixth aspect of the present invention, the engaging portion can be more appropriately engaged with the engaged portion.

[0019] The seventh invention of the present invention is a rear-fitting seat cover in which, in any of the first to third inventions above, the engaged portion has an arrowhead-shaped cross section that extends at a constant cross section in the seat height direction along the cover portion, and is engaged with the engaging portion so as to be slidable in the seat height direction.

[0020] According to the seventh aspect of the present invention, variations in the seat height direction that may occur when the cover portion is placed over the base seat cover can be absorbed by the sliding of the engaged portion relative to the engaging portion in the same direction, thereby making it possible to more appropriately place the cover portion over the base seat cover.

[0021] The eighth invention of the present invention is a rear-fitting seat cover in which, in any of the first to third inventions above, the engaging portion and the engaged portion extend in the seat height direction along the cover portion, and the locking portion extends below the seat a short length from the top of the engaging portion to the bottom end of the engaging portion.

[0022] According to the eighth aspect of the present invention, the engaging portion of the fixing device can be configured to have a wide engaging area that extends along the engaged portion, while the locking portion can be configured to be shorter than the engaging portion and have high structural strength. [Brief explanation of the drawings]

[0023] [Figure 1] 1 is a perspective view illustrating a configuration of a rear covering seat cover according to a first embodiment. [Figure 2] FIG. 2 is a perspective view of the rear seat cover removed from the seat. [Figure 3] 10 is an enlarged perspective view of an engaged portion and a fixing device provided on the rear covering seat cover. FIG. [Figure 4] FIG. 10 is a perspective view of the fastener attached to the seam of the base seat cover. [Figure 5] 10 is an enlarged perspective view showing a state in which an engaging portion and an engaged portion of the fixture are engaged with each other. FIG. [Figure 6] FIG. 6 is a view taken along arrow VI in FIG. 5. [Figure 7] FIG. 7 is a view taken along arrow VII in FIG. 5. [Figure 8] FIG. 10 is a perspective view showing the configuration of a fixing device for a rear-covering seat cover according to a second embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0024] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0025] First Embodiment (Schematic configuration of rear seat cover 1) First, the configuration of the rear seat cover 1 according to the first embodiment of the present invention will be described with reference to Figs. 1 to 7. In the following description, when directions such as front, rear, top, and bottom are indicated, they refer to the directions shown in the respective drawings. The directions shown in the respective drawings are directions seen from the perspective of an occupant (seated occupant) seated on the seat S. Furthermore, when directions such as the "seat width direction" are indicated with the word "seat" attached, they refer to the respective directions based on the seat S.

[0026] As shown in Fig. 1, the rear-fitting seat cover 1 according to this embodiment is a seat cover that is retrofitted to cover the seat back SB of a seat S installed in an automobile. The seat S is configured as a left-side seat of the automobile. The seat S includes a seat back SB that serves as a backrest for a seated occupant, a seat cushion (not shown) that serves as a seating portion, and a headrest HR that serves as a headrest portion.

[0027] 2, the entire surface of the seat back SB is covered with a fabric base seat cover (back cover) 10. The base seat cover 10 is an existing seat cover that is applied to the seat back SB during the manufacturing process.

[0028] A side airbag SA is built into the left side of the seatback SB near the vehicle's entry / exit door, and inflates and deploys in front of the seat in the event of a side collision. The side airbag SA is designed to inflate and deploy in front of the seat by breaking through a burst line (sewing line) 13 set in the base seat cover 10 in the event of a side collision.

[0029] The burst line 13 of the base seat cover 10 is set at the seam that sews together the edges of the top plate portion 11 that covers the front of the seat back SB and the side portion 12 that covers the left side surface. The top plate portion 11 of the base seat cover 10 is provided with a pair of left and right seams 11A that sew together the edges of the top plate main that forms the center portion in the seat width direction and each of the top plate side portions that form both side portions.

[0030] Each seam 11A is sewn between the outer edge of the main top plate and the inner edge of each side top plate with an institch facing the back of the cover (see Figs. 5 and 6). Each seam 11A is formed to extend in the seat height direction along the top plate portion 11 of the base seat cover 10. As shown in Fig. 2, the burst line 13 of the base seat cover 10 described above is formed in an area where the arrangement in the seat height direction at least partially overlaps with each seam 11A.

[0031] The rear seat cover 1 has a cover part 2 made of synthetic leather sewn into a bag shape that opens downward. The cover part 2 is placed over the seat back SB, which is covered with the base seat cover 10, so as to completely cover the periphery of the seat from above.

[0032] The cover part 2 is configured so that the cover piece on the back side can be opened and closed relative to the cover pieces on both sides by means of fasteners 5. After the cover part 2 is placed over the seat surface of the seat back SB, by closing the fasteners 5, the cover part 2 is stretched in a state in which it is in close contact with the entire surface of the seat back SB.

[0033] Specifically, the cover part 2 is configured so that the portion that covers the top plate part 11 of the base seat cover 10 is aligned with the top plate part 11 of the base seat cover 10 by an engagement structure that uses a pair of left and right engaged parts 3 and four fasteners 4. As a result, the cover part 2 is configured so that the breaking part 2A, which breaks together with the burst line 13 of the base seat cover 10 when the side airbag SA is inflated and deployed, is appropriately aligned with the burst line 13 of the base seat cover 10 when the cover part 2 is covered.

[0034] Specifically, a pair of left and right engaged portions 3 extending in the seat height direction along the back surface of the cover portion 2 are sewn to the back surface of the cover portion that is to be placed over the top plate portion 11 of the base seat cover 10. These engaged portions 3 are sewn to the cover portion 2 so as to face each of the sewn portions 11A formed on the top plate portion 11 of the base seat cover 10 when the cover portion 2 is placed over the base seat cover 10.

[0035] The four fasteners 4 are configured to be inserted and hooked at two positions, one above the other, onto each of the longitudinally extending seams 11A of the base seat cover 10. As shown in Figures 3 and 4, after two of the four fasteners 4 are hooked onto each of the seams 11A, the corresponding engaged portions 3 of the cover portion 2 are pushed into the fasteners 4 from the front of the seat, thereby engaging with each engaged portion 3.

[0036] As a result, the cover portion 2 of the rear covering seat cover 1 is engaged with each seam 11A of the base seat cover 10 while being aligned in the seat width direction. Each engaged portion 3 is made of a resin member with an arrowhead-shaped cross section that extends at a constant cross section in the seat height direction along the cover portion 2.

[0037] The flat plate portions forming the legs of the arrowheads of the engaged parts 3 are sewn along the rear surface of the cover part 2. The tip portions (rear end portions) forming the heads of the arrowheads of the engaged parts 3 are inserted into the engaging parts 4A of the corresponding fixing devices 4 from the front of the seat, thereby engaging in a state in which they are prevented from coming off.

[0038] 5, each engaged portion 3 has an engagement structure that extends with a constant cross section in the seat height direction. Therefore, when each engaged portion 3 is inserted into and engaged with a corresponding fixing device 4, it is allowed to slide in the seat height direction relative to each fixing device 4.

[0039] This sliding movement in the seat height direction allows the cover portion 2 (see FIG. 4) to move in the seat height direction relative to the base seat cover 10. Therefore, the sliding of each engaged portion 3 can absorb any variation in the seat height direction that may occur when the cover portion 2 is placed over the base seat cover 10. As a result, the cover portion 2 can be placed over the base seat cover 10 more appropriately.

[0040] The detailed configuration of each fastener 4 will be described in more detail below. As shown in Fig. 3, each fastener 4 is made of a single injection-molded resin part. Each fastener 4 has an engaging portion 4A that detachably engages with each of the engaged portions 3 described above, and a locking portion 4B that is inserted into each of the corresponding stitched portions 11A of the base seat cover 10 so as to hold the position. Note that each fastener 4 may be configured to include an insert part, such as by integrally molding the locking portion 4B with the engaging portion 4A.

[0041] The engaging portions 4A are formed in two separate locations, at the upper and lower ends of a vertically elongated, flat base. Each engaging portion 4A has a fitting portion A1 that extends in a U-shape in plan view from the upper and lower ends of the base toward the front of the seat, and claws A2 that extend from both ends of the U-shape of the fitting portion A1 toward the inside of the U-shape.

[0042] Each fitting portion A1 forms a recessed receiving opening that can receive the tip of the arrowhead of the corresponding engaged portion 3 from the front of the sheet (see Figure 5). Each claw A2 functions as a "barb" that hooks onto the left and right protruding portions of the arrowhead of the engaged portion 3 inserted into each fitting portion A1 to prevent it from coming out (see Figure 6).

[0043] These fitting portions A1 and claws A2 constitute engaging portions 4A that can engage with each engaged portion 3 in a state that allows it to slide in the seat height direction and prevents it from slipping out toward the front of the seat. Each engaged portion 3 is inserted into the corresponding engaging portion 4A by pressing the tip of its arrowhead against the inclined surface of each claw A2 at the end of the fitting portion A1 of each engaging portion 4A, pushing open each fitting portion A1.

[0044] Then, the tip of the arrowhead of each engaged part 3 passes over each claw A2 and is inserted into the inside of the engaging part A1, and each engaging part A1 restores its shape due to its elastic force, and a snap-fit ​​engagement is performed so that the claw A2 hooks onto each engaged part 3.

[0045] 3, the locking portion 4B has an insertion portion B1 extending downward from the upper rear surface of the vertically elongated base of the engagement portion 4A, and a base portion B2 on the upper end side that forms the connection portion between the insertion portion B1 and the engagement portion 4A. The base portion B2 has a shape that is thicker in the seat width direction and has a larger cross-sectional diameter than the insertion portion B1.

[0046] The base B2 has a tapered shape in which its thickness in the seat width direction and its cross-sectional width gradually decrease as it extends from the rear upper end surface of the base of the engagement portion 4A to the insertion portion B1. As a result, the insertion portion B1 extends from the base B2 in a tapered shape. Note that the insertion portion B1 itself extending from the base B2 is formed in the shape of a round pin that extends with a constant cross-section and has a thickness in the seat width direction and a cross-sectional width smaller than that of the base B2.

[0047] The locking portions 4B are inserted into the corresponding seams 11A of the base seat cover 10 and held in position as follows: First, the tip of the insertion portion B1 of the locking portion 4B is inserted into the gap between the seams of the corresponding seams 11A from the front of the seat. Then, while moving each insertion portion B1 so that it extends downward, it is inserted deeply into each seam 11A so that it penetrates all the way to the base portion B2.

[0048] 4 to 5 and 7, the base portion B2 fits into the gaps between the seams of each sewn portion 11A. Also, the locking portion 4B is pressed and sandwiched between the base seat cover 10 and a seat back pad (seat pad) (not shown) on the back side thereof by the elastic force of the seat back pad.

[0049] Furthermore, each fixing device 4 sandwiches the base seat cover 10 between its locking portion 4B and the base of the engaging portion 4A from the front and rear. More specifically, each stitching portion 11A into which the locking portion 4B of each fixing device 4 is inserted is formed at the back of a triangular groove on the cover surface that is hung into a hanging groove formed in a seat back pad (not shown) of the base seat cover 10.

[0050] Therefore, when the locking portions 4B of each fastener 4 are inserted into the corresponding seam 11A, the base B2 of the locking portion 4B, i.e., the tapered base B2 whose thickness in the seat width direction gradually decreases toward the rear, fits into the cover surface of the base seat cover 10 that is recessed in a triangular groove shape toward each seam 11A. In this way, each fastener 4 is set so that it is held in position by the corresponding seam 11A of the base seat cover 10.

[0051] Therefore, by inserting the corresponding engaged portions 3 of the rear covering seat cover 1 from the front of the seat into and engaging with each of the fixing devices 4 set in this manner, the rear covering seat cover 1 can be placed in a state of being properly aligned with the base seat cover 10. As shown in Figure 6, by engaging with the engaging portions 4A of the corresponding fixing devices 4, each engaged portion 3 is set so as to always abut against each engaging portion 4A in the seat width direction.

[0052] 6 shows that there is a gap in the seat width direction between each engaged portion 3 and the engaging portion 4A of each fixing device 4. However, these gaps are small, and due to variations that occur between the rear covering seat cover 1 and the base seat cover 10, each engaged portion 3 and the engaging portion 4A of each fixing device 4 always abut against each other in the seat width direction.

[0053] 7, the length of the insertion portion B1 of the locking portion 4B extending below the seat is set to a short length that does not reach the lower end of the engaging portion 4A. This allows the engaging portion 4A of each fastener 4 to be configured with a wide engagement area extending along the engaged portion 3, while the locking portion 4B can be configured with a shorter length than the engaging portion 4A and with high structural strength.

[0054] To summarize the above, the rear seat cover 1 according to this embodiment has the following configuration: Note that the reference numerals in parentheses below correspond to the respective components shown in the above embodiment.

[0055] That is, the rear covering seat cover (1) that is fitted around the base seat cover (10) that covers the seat surface has a cover portion (2) that is fitted over the base seat cover (10). The rear covering seat cover (1) also has an engagement portion (3) that is provided on the back surface of the cover portion (2).

[0056] The rear seat cover (1) also has a fixture (4) having an engaging portion (4A) that detachably engages with the engaged portion (3) and a locking portion (4B) that is inserted into the stitched portion (11A) of the base seat cover (10) so as to be held in position. The engaging portion (4A) and the engaged portion (3) engage with each other so as to be constantly in contact with each other in the seat width direction.

[0057] In this way, the engaged portion (3) provided on the cover portion (2) engages with the fastener (4) inserted into the seam (11A) of the base seat cover (10) to fix the position so as to be constantly in contact with the fastener (4) in the seat width direction, thereby suppressing misalignment in the same direction. Therefore, the rear covering seat cover (1) can be placed on the base seat cover (10) in a properly aligned state.

[0058] In addition, the cover portion (2) is placed over the base seat cover (10) so that the breaking portion (2A), which breaks along with the burst line (13), is aligned with the burst line (13) of the side airbag (SA) set on the base seat cover (10). According to the above configuration, the rear covering seat cover (1) can be placed over the base seat cover (10) with the breaking portion (2A) properly aligned with the burst line (13).

[0059] Furthermore, the fixing device (4) and the engaged portion (3) are provided at least in the seam (11A) near the side where the side airbag (SA) is provided, out of a pair of seams (11A) provided in the top plate portion (11) of the base seat cover (10) in the seat width direction. According to the above configuration, the cover portion (2) can be held in position at least in a portion of the top plate portion (11) of the base seat cover (10) near the side airbag (SA). This allows the rear covering seat cover (1) to be placed on the base seat cover (10) in a more appropriately aligned state.

[0060] Furthermore, the thickness in the sheet width direction of the insertion portion (B1) inserted into the stitched portion (11A) of the locking portion (4B) is smaller than the thickness in the sheet width direction of the base portion (B2) connected to the engagement portion (4A) of the locking portion (4B). According to the above configuration, the locking portion (4B) of the fixing device (4) can be configured to be easily inserted into the stitched portion (11A) while ensuring the structural strength of the base portion (B2), which is easily subjected to load.

[0061] Furthermore, the insertion portion (B1) of the locking portion (4B) extends from the base portion (B2) so as to taper in diameter. This configuration allows the locking portion (4B) of the fixing device (4) to be more easily inserted into the suture portion (11A) while ensuring the structural strength of the base portion (B2).

[0062] The engaged portion (3) extends in the seat height direction along the cover portion (2). The engaging portion (4A) has claws (A2) at both ends in the seat height direction that engage with the engaged portion (3). According to the above configuration, the engaging portion (4A) can be more appropriately engaged with the engaged portion (3).

[0063] In addition, the engaged portion (3) has an arrowhead-shaped cross section that extends at a constant cross section in the seat height direction along the cover portion (2), and is engaged with the engaging portion (4A) so as to be slidable in the seat height direction. According to the above configuration, variations in the seat height direction that may occur when the cover portion (2) is placed over the base seat cover (10) can be absorbed by the sliding of the engaged portion (3) against the engaging portion (4A) in the same direction. Therefore, the cover portion (2) can be more appropriately placed over the base seat cover (10).

[0064] The engaging portion (4A) and the engaged portion (3) extend in the seat height direction along the cover portion (2). The locking portion (4B) extends below the seat by a short length from the upper portion of the engaging portion (4A) to the lower end of the engaging portion (4A). With this configuration, the engaging portion (4A) of the fixing device (4) can be configured to have a wide engagement area extending along the engaged portion (3), while the locking portion (4B) can be configured to be shorter than the engaging portion (4A) and have high structural strength.

[0065] Second Embodiment Next, the configuration of a rear covering seat cover 1 according to a second embodiment of the present invention will be described with reference to Fig. 8. The rear covering seat cover 1 according to this embodiment has the same configuration as the locking portion 4B (see Fig. 5) shown in the first embodiment in that the locking portion 4C of each fastener 4 has an insertion portion C1 extending downward from the upper rear surface of the vertically elongated base of the engagement portion 4A, and a base portion C2 forming a connection portion on the upper end side of the insertion portion C1 with the engagement portion 4A.

[0066] However, in the locking portion 4C according to this embodiment, the insertion portion C1 has a shape in which the thickness in the sheet width direction and the width of the cross section gradually decrease in a sloping (continuous) manner from the connection portion with the base portion C2 toward the tip. This configuration allows the insertion portion C1 of the locking portion 4C to be configured to have a higher structural strength while ensuring ease of insertion into the sewn portion 11A. Since the configuration other than the above is the same as the configuration shown in the first embodiment, the same reference numerals will be used and a description thereof will be omitted.

[0067] Other Embodiments Although the present invention has been described above using two embodiments, the present invention can be embodied in various forms other than the above embodiments.

[0068] 1. The rear seat cover of the present invention may be made of synthetic leather, natural leather, or fabric. The engaging structure, which is a combination of an engaged portion provided on the rear surface of the cover and a fastener that is inserted into a stitched portion of the base seat cover so as to be held in position and engage the engaged portion, may be provided on either side of a pair of stitched portions provided in the seat width direction on the top plate of the base seat cover.

[0069] In this case, by providing the engagement structure at least in the seam close to the side where the side airbag is installed, the rear cover seat cover can be placed over the base seat cover in a state where it is more appropriately aligned with the side airbag.

[0070] The rear seat cover may be placed over a base seat cover of a seat back that does not have a side airbag. That is, the rear seat cover is held in position by inserting the fasteners into the seams of the base seat cover. Therefore, when the side top panel of the seat back is shaped like a bank relative to the main top panel, the rear seat cover can be properly aligned with the seams between them. Furthermore, the rear seat cover can be properly suspended between the seams of the base seat cover to prevent it from floating.

[0071] This allows the rear seat cover to be fitted in a state that properly conforms to the shape of the seat back, just like the base seat cover. Specifically, this prevents the base seat cover from being assembled too forcefully, and properly prevents the base seat cover from wrinkling or tearing.

[0072] The engagement structure between the engaged portion and the engaging portion may be such that one of them is a wire and the other is a hook structure such as a J-hook that can detachably engage the wire. The engagement structure between the engaged portion and the engaging portion may be such that the engaged portion is inserted into the engaging portion from the front of the seat to engage with it by snap-fit, or may be such that the engaged portion is inserted from above or below the seat to engage it.

[0073] The locking portion may be a hook portion that projects from the base of the insertion portion in a hook-like shape, or may be a portion that is engaged by snap-fitting or press-fitting with the stitching portion. The locking portion may also be a portion that is engaged with the stitching portion by elastic force. [Explanation of symbols]

[0074] 1 Rear seat cover 2 Cover 2A Breaking part 3 Engaged part 4 Fixtures 4A Engagement part A1 Fitting part A2 nail 4B Locking part B1 Insertion part B2 base 4C Locking part C1 Insertion part C2 base 5 wire fastener 10 Base seat cover 11 Top plate 11A Suture section 12 Side section 13 Burst Line S seat SB seat back HR headrest SA Side airbag

Claims

1. A rear cover seat cover that is placed around the base seat cover that covers the seat surface, a cover portion that covers the base seat cover; an engaged portion provided on the rear surface of the cover portion; a fixing device having an engaging portion that detachably engages with the engaged portion and a locking portion that is inserted into a stitched portion of the base seat cover so as to be held in position; The rear-mounted seat cover is configured so that the engaging portion and the engaged portion are always in contact with each other in the seat width direction.

2. The rear seat cover according to claim 1, The cover portion is placed on the base seat cover so that a breaking portion of the cover portion that breaks together with the burst line is aligned with a burst line of a side airbag set on the base seat cover.

3. The rear seat cover according to claim 2, A rear-mounted seat cover in which the fixing device and the engaged portion are provided at least at the stitching portion closest to the side where the side airbag is provided, among the pair of stitching portions provided in the seat width direction on the top plate portion of the base seat cover.

4. The rear seat cover according to any one of claims 1 to 3, A rear-fitting seat cover in which the thickness in the seat width direction of the insertion portion that is inserted into the stitching portion of the locking portion is smaller than the thickness in the seat width direction of the base portion that is connected to the engagement portion of the locking portion.

5. The rear seat cover according to claim 4, The insert portion of the engaging portion extends from the base portion so as to taper in thickness.

6. The rear seat cover according to any one of claims 1 to 3, The engaged portion extends in the seat height direction along the cover portion, The engaging portion has claws at both ends in the seat height direction that engage with the engaged portion.

7. The rear seat cover according to any one of claims 1 to 3, The engaging portion has an arrowhead-shaped cross section that extends at a constant cross section in the seat height direction along the cover portion, and is engaged with the engaging portion so as to be slidable in the seat height direction.

8. The rear seat cover according to any one of claims 1 to 3, The engaging portion and the engaged portion extend in the seat height direction along the cover portion, The rear-fitting seat cover has the locking portion extending below the seat by a short length that does not reach from the upper end of the engaging portion to the lower end of the engaging portion.

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