JP7277800B2 - vehicle seat - Google Patents

Description

TECHNICAL FIELD The present invention relates to a vehicle seat, and more particularly to a vehicle seat provided with a seat heater.

2. Description of the Related Art Conventionally, a vehicle seat is known in which a seat heater is attached to a seat body to improve the comfort of a seated person.
An example of such a vehicle seat includes a seat body configured by placing a cushion material on a frame serving as a skeleton and covering the seat body with an upholstery material, and a seat heater is attached between the cushion material and the upholstery material. Some are known (see, for example, Patent Document 1).

In the vehicle seat with a seat heater disclosed in Patent Document 1, the seat heater includes a seat base material, a heater wire attached to the seat base material and connected to an electric wire, and a thermostat that adjusts the temperature of the heater wire. consists mainly of Seat heaters are attached to the seat back and the seat cushion, respectively.
Further, the heater wire has a first heater wire and a second heater wire that are arranged in parallel with each other. For example, the first heater wire is arranged in the main body portion of the seat back, and the second heater wire It is located in the bolster part on both sides of the back.

With the above configuration, when the thermostat is operating, only the first heater wire can be energized, and when the thermostat is stopped, the first heater and the second heater wire can be energized.
In addition, even if the second heater wires in the left and right bolster portions are deformed due to an external impact or the like, the first heater wires in the main body of the seat back have a heater function, so the entire seat back can be maintained. heating function is not lost.

WO2007/097445

By the way, in a vehicle seat with a seat heater as disclosed in Patent Document 1, since the seat heater is attached between the cushion material and the upholstery material, the seating surface of the seat back and the seat cushion is uneven, and the occupant feels uncomfortable. There was a possibility that it would give an uncomfortable feeling.
In general, for the center of the seat back and seat cushion in the seat width direction, a cotton-like wadding material is attached to the back surface of the upholstery material in order to improve the seating comfort of the occupant. In many cases, a relatively thin wadding material is attached, or no wadding material is attached at all.
Therefore, there is a possibility that the seated occupant may feel uncomfortable due to the influence of the installation of the seat heater, particularly in the side bolster portion.

In addition, in a vehicle seat with a seat heater as disclosed in Patent Document 1, at least a plurality of electric wires, a plurality of heater wires, and a thermostat are attached on the seat base material. If the connecting portion of the heater wire is deformed, there is a possibility that the heater function cannot be sufficiently maintained.
Furthermore, if the thermostat loses its function due to an external impact, there is a possibility that the temperature of the seat heater cannot be adjusted.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vehicle seat with a seat heater that does not make the occupant feel uncomfortable even when the seat heater is attached. .
Another object of the present invention is to provide a vehicular seat with a seat heater that does not give the occupant a sense of discomfort, particularly in the side bolster portions.
Another object of the present invention is to provide a vehicular seat with a seat heater capable of suppressing deformation of the seat heater and sufficiently maintaining the heater function even when an impact is applied from the outside, for example. It is in.

According to the vehicle seat of the present invention, a cushion material is placed on a frame serving as a skeleton and covered with a skin material, and a seat heater is provided between the cushion material and the skin material. A vehicle seat, wherein the cushion material has a cushion main body portion located in a center portion in a seat width direction and cushion side portions located on left and right outer sides of the cushion main body portion, and the cushion side portions include: A storage recess for storing the seat heater is formed, and the seat heater has a central heater portion arranged in the cushion main body portion and side heater portions arranged in the cushion side portions, A side heater section is provided in parallel connection with the central heater section, and provided independently of the first side heater section accommodated in the accommodation recess and the central heater section and the first side heater section, a second side heater portion arranged with a gap in the seat width direction from the first side heater portion; a second housing recess for housing a second side heater portion; and a connecting recess for connecting the first housing recess and the second housing recess, wherein the first side heater portion and the second side heater portion are arranged without being connected to each other, and the first housing recess for housing the first side heater portion and the second housing recess for housing the second side heater portion are arranged to be connected to each other. , is resolved by
As described above, since the storage recess for storing the seat heater is formed in the side portion of the cushion, the seating surface of the seat does not become uneven, and the seat occupant does not feel uncomfortable. A vehicle seat with a heater can be realized.
In particular, on the side of the cushion, a thin wadding material is generally attached to the back surface of the upholstery material, or no wadding material is attached in the first place. The effect of the invention becomes conspicuous.

At this time, the second side heater section is connected to a control device separate from the central heater section and the first side heater section , and the control device connected to the second side heater section and the connecting recess are connected to the control device. are arranged opposite to each other with respect to the second side heater portion in the longitudinal direction of the second side heater portion, the control device is arranged on the rear side of the seat cushion, and the connecting concave portion is located on the seat cushion. It should be placed on the front side .
Further, even if the heater function of any one of the central heater portion, the first side heater portion, and the second side heater portion cannot be maintained, the heater function of the other heater portions can be maintained. and good.

At this time, it is preferable that the side heater section has left and right second side heater sections, and the left and right second side heater sections are connected to separate control devices, respectively .

At this time, it is preferable that the second side heater portion is arranged outside the first side heater portion in the seat width direction .

At this time, the storage recesses include left and right first storage recesses for storing the left and right first side heater portions, and left and right second storage recess portions for storing the left and right second side heater portions. , and the left and right first storage recesses and the left and right second storage recesses are preferably formed so as to be bilaterally symmetrical with respect to the cushion main body .

At this time , the vehicle seat may further include a headrest that supports the head of the seated occupant from behind .
With the above configuration, the seat heater can be easily positioned and the assembly work can be facilitated.

According to the present invention, it is possible to realize a vehicle seat with a seat heater that does not cause unevenness on the seating surface of the seat and does not give a sense of discomfort to the seated person.
In particular, the effect of the present invention is more conspicuous in the cushion side portions, since the installation of the seat heater has a greater effect on the seating comfort .
Further, according to the present invention, deformation of the seat heater accommodated in the accommodation recess is further suppressed.
Further, according to the present invention, deformation of the heater wire, which is important in the seat heater, is further suppressed.

1 is a perspective view of a vehicle seat with a seat heater according to this embodiment; FIG. 2 is a cross-sectional view taken along line CC of FIG. 1; FIG. FIG. 10 is a plan view of the seat cushion, and is a diagram for explaining that the cushion material is formed with a storage recess. It is a top view of a seat heater. 5(a) is a cross-sectional view along line AA in FIG. 1, FIG. 5(b) is a cross-sectional view along line BB in FIG. 1, and FIG. 5(c) is a cross-sectional view along line CC in FIG. is. FIG. 10 is a diagram illustrating a side support device, which is a second embodiment of the vehicle seat. FIG. 11 is a plan view of a seat cushion, which is a third embodiment of the vehicle seat. It is a top view of a seat heater in 3rd Example.

A vehicle seat according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 8. FIG.
This embodiment is a vehicle seat having a seat heater between a cushion material and an upholstery material, and storage recesses for storing the seat heater are formed in the cushion side portions on the left and right outer sides of the cushion material. The storage recess is arranged in the seat width direction within a range where the cushion material is in contact with the frame, and is arranged so as to be positioned inside the outer end portion of the range in the seat width direction. The invention relates to a vehicle seat characterized by:
The side of the seat back of the vehicle seat on which the occupant sits is the front side of the seat.

As shown in FIG. 1, the vehicle seat S of this embodiment includes a seat back 1, a seat cushion 2, a headrest 3, and a seat connecting portion 4 to which the seat back 1 and the seat cushion 2 are connected. It is mainly composed of a main body and a sheet-like seat heater 40 attached inside the seat main body.
Note that the seat heater 40 is connected to a power source and a control device via a harness.

The seat back 1 is a backrest portion that supports the back of the seated person from behind, and as shown in FIG. configured as follows.
The back frame is composed of a rectangular frame that serves as a skeleton, and includes an upper frame and a lower frame that extend along the seat width direction with a predetermined gap in the vertical direction, and both ends of the upper frame in the seat width direction. It mainly consists of left and right side frames extending downward and connected to both ends of the lower frame, and a plurality of elastic springs connecting the left and right side frames.

The seat cushion 2 is a seating portion that supports an occupant from below, and as shown in FIGS. 1 and 2, is constructed by placing a cushion material 2b on a cushion frame 2a serving as a framework and covering the seat cushion 2c with a skin material 2c. It is
The cushion frame 2a is composed of a rectangular frame serving as a skeleton, and includes side frame portions 2aa arranged on the left and right sides, a plate-shaped pan frame connecting the front portions of the side frame portions 2aa, and each side frame. It is mainly composed of a rear connecting frame that connects the rear portion of the portion 2aa, and a plurality of elastic springs hooked to the pan frame and the rear connecting frame.

The cushion material 2b is a pad member made of urethane foam or the like, and as shown in FIGS. It is mainly composed of left and right cushion side portions 21 and 22 on the outside.
The cushion side portions 21 and 22 are so-called side bolster portions, and are provided so as to protrude upward from the cushion main body portion 20. More specifically, the cushion side portions 21 and 22 protrude upward toward the outside in the seat width direction (toward the upholstery 2c). It is formed so as to protrude further from the side, and is arranged so as to wrap the seated person from the left and right outer sides.
Suspension grooves 23 for suspending the upholstery 2c are formed on the upper surface of the portion between the cushion main body 20 and the cushion side portions 21, 22. As shown in FIG.
Further, in the upper surfaces of the cushion side portions 21 and 22, storage recesses 24 for storing the side heater portions 40b and 40c of the seat heater 40 are formed. Details will be described later.

The skin material 2c is made of a stretchable nylon material or the like, and is formed in a shape capable of covering the cushion material 2b from above.
Specifically, the upholstery material 2c is divided at positions corresponding to the cushion main body 20 and the cushion side parts 21 and 22, and the divided upholstery materials 2c are sewn together inside the hanging groove 23. are linked together.
A cotton-like wadding material 2ca is sewn and attached over substantially the entire surface of the back surface of the upholstery material 2c at a position corresponding to the cushion main body 20. As shown in FIG.

The headrest 3 is a head portion that supports the occupant's head from behind, and as shown in FIG. 1, is constructed by placing a cushion material 3b on a core material (not shown) and covering the cushion material with a skin material 3c. , are supported by headrest pillars provided on a back frame (not shown).

The seat heater 40 is a planar heating element that heats the seat body, and is attached inside the seat back 1 and the seat cushion 2 as shown in FIG. It is attached between 1b, 2b and skin material 1c, 2c.
As shown in FIG. 4, the seat heater 40 includes a sheet-like sheet substrate 41, electric wires 42 attached to the sheet substrate 41 and connected to a power supply, and heater wires connected to the electric wires 42. 43 , a temperature measuring sensor 44 connected to the electric wire 42 , and a temperature adjusting device 45 connected to the electric wire 42 .

As shown in FIG. 4, the seat heater 40 includes a substantially rectangular central heater portion 40a placed on the upper surface of the cushion main body portion 20, and a substantially L-shaped heater portion 40a placed on the upper surfaces of the left and right cushion side portions 21 and 22. , and the side heater portions 40b and 40c.
A wire 42, a heater wire 43, a temperature measuring sensor 44, and a temperature adjusting device 45 are densely arranged at the rear end portion of the central heater portion 40a.

The seat base material 41 is made of a stretchable cloth material and is a base portion of the seat heater 40 .
V-shaped notch portions 41d are formed as positioning portions at the front and rear ends of the central portion of the sheet base material 41 in the sheet width direction.
When the seat heater 40 is properly placed on the cushioning material 2b, the V-shaped marks of the cutouts 41d are aligned with the T-shaped marks (not shown) provided on the cushioning material 2b.

The electric wire 42 supplies electricity from the power supply to the heater wire 43, the temperature measuring sensor 44, and the temperature adjusting device 45, and a harness 42a is formed by bundling a plurality of electric wires 42 at one end thereof. there is
The harness 42a has one end attached to the sheet base material 41 and the other end extending so as to protrude from the sheet base material 41, and is connected to a power source and a control device.

The heater wire 43 is adhesively fixed onto the seat base material 41, extends while meandering from the rear end portion of the cushion material 2b toward the front side of the seat, and is bent and folded back at the front end portion of the cushion material 2b. , again extending back to the rear end portion.
The heater wire 43 includes a first heater wire 43a, a second heater wire 43b, and a third heater wire 43c, which are connected to the wires 42 and arranged in parallel with each other.
The first heater wire 43a is arranged in the central heater portion 40a, and the second heater wire 43b and the third heater wire 43c protrude outward in the seat width direction from the rear end portion of the central heater portion 40a. portion 40b and the right side heater portion 40c.
Although the heater wire 43 is fixed on the sheet base material 41 with an adhesive, the heater wire 43 may be fixed so as to be folded inside the sheet base material 41 .

The temperature measurement sensor 44 is a thermistor that measures the temperature of the heater wire 43, and outputs an output signal based on the heater temperature measurement result to the control device.
The temperature adjustment device 45 is a thermal thermostat that adjusts the temperature of the heater wire 43. When the heater temperature exceeds a predetermined value, the heater temperature is kept below a certain level by cutting off the electric supply to the heater wire 43. to hold.
The control device (not shown) corresponds to an ECU (Electronic Control Unit), receives an output signal detected by the temperature measurement sensor 44, compares the heater temperature with a set value, and controls each heater wire from the power supply. It controls the electric supply to 43.

In the above configuration, as shown in FIG. 4, the seat heater 40 is composed of a central heater portion 40a and left and right side heater portions 40b and 40c.
Therefore, the seat cushion 2 is divided into the central portion and the left and right side bolster portions in the seat width direction, and the seat with the seat heater can be heated independently.

In the above configuration, the seat heater 40 includes a first heater wire 43a, a second heater wire 43b, and a third heater wire 43c arranged in parallel with each other.
Therefore, for example, even if the second heater wire 43b or the third heater wire 43c is deformed by an external impact or the like, since the first heater wire 43a has a heater function, the heater function of the entire seat heater is maintained. never lost.

<Storage recess for storing the seat heater>
Next, details of the storage recesses 24 formed in the cushion side portions 11 and 12 of the cushion material 2b will be described.
As shown in FIGS. 2 and 3, the storage recess 24 is a stepped portion for storing the left and right side heater portions 40b and 40c of the seat heater 40. It extends along the extension direction of the cushion side portions 21 and 22, in other words, along the seat front-rear direction.
More specifically, the left and right storage recesses 24 are substantially L-shaped in plan view, extend outward in the seat width direction from the rear end portion of the cushion main body 20, and extend along the left and right cushion side portions 11 and 12, respectively. and extends in the front-rear direction of the seat.
The left and right storage recesses 24 are formed symmetrically with respect to the cushion main body 20 .

As shown in FIG. 2, the storage recess 24 is formed to such a depth that the heater wire 43 does not protrude outward from the opening of the storage recess 24 when the seat heater 40 is stored.
The storage recess 24 is formed so as to become deeper in the seat width direction from the left and right side wall portions 24a toward the central portion. is formed in
At this time, the heater wire 43 is preferably arranged at a position closer to the central portion of the storage recess 24 in the seat width direction.

As shown in FIG. 2, the storage recess 24 is arranged in a range in which the cushion material 2b (cushion side portion 21) contacts the cushion frame 2a (side frame portion 2aa) in the seat width direction. Specifically, it is arranged so as to be located inside the outer end portion of the range in the seat width direction.
At this time, the heater wire 43 is preferably arranged so as to be positioned inside the outer end portion of the side frame portion 2aa in the seat width direction.
In addition, the storage recess 24 is arranged at a position overlapping the protruding portion 2ab of the side frame portion 2aa that protrudes most toward the cushion side portion 21 (upward side) in the vertical direction.

As shown in FIG. 2, the storage recess 24 is arranged inward in the seat width direction from the portion of the cushion side portion 11 that protrudes most toward the upholstery 2c side (upper side).
In addition, the storage recess 24 is arranged at a position above the upper surface of the cushion main body 10 in the vertical direction.

In the above configuration, as shown in FIG. 3, the storage recess 24 extends continuously along the extension direction of the cushion side portion 21 (the seat front-rear direction).
Specifically, as shown in FIGS. 5(a) and 5(b), the accommodation recess 24 is widened from the rear end portion of the cushion side portion 21 toward the approximate center portion in the extending direction. formed.
In general, the seat central portion of the cushion side portion 21 of the seat cushion 2 is the portion on which the buttocks of the seated person are supported and the seating load is applied.
Therefore, the central portion of the seat is a portion desired to be suitably warmed by the seat heater 40 and a portion desired to suppress deformation of the seat heater 40 .
Therefore, if the storage recess 24 is shaped and arranged as described above, the seat heater 40 can be suitably shaped and arranged, and the deformation of the seat heater 40 can be suppressed.

In the above configuration, as shown in FIGS. 5(b) and 5(c), the storage recess 24 gradually narrows in the extending direction from the substantially central portion of the cushion side portion 21 toward the front portion. It is formed to be
In general, the seat front portion of the cushion side portion 21 is a portion on which the seated person straddles and is subjected to repeated seating load.
Therefore, the front portion of the seat is a portion desired to be moderately warmed by the seat heater 40 and a portion desired to suppress deformation of the seat heater 40 . On the other hand, the area of the seat heater 40 may be made somewhat smaller because it is not a part that is always touched by the seated person.
Therefore, if the storage recess 24 is shaped and arranged as described above, the seat heater 40 can be suitably shaped and arranged, and the deformation of the seat heater 40 can be suppressed.

<Second Embodiment of Vehicle Seat>
Next, a second embodiment of the vehicle seat will be described with reference to FIG. In addition, the description of the content overlapping with the above-described vehicle seat S is omitted.
In the vehicle seat S2 of the second embodiment, in the side bolster portion of the seat cushion 2, the cushion side portion 121 is in the normal position and the projection shown in FIG. The major difference is that a side support device 70 that can be moved between positions is provided.

The side support device 70 is an air cell driven unit, and is attached between the side frame portion 102aa and the cushion side portion 121 in the vertical direction.
Specifically, the side support device 70 is arranged at a position overlapping the storage recess 124 in the vertical direction.
The side support device 70 includes a fixed plate 71 fixed to the side frame portion 102aa, a movable plate 73 attached to the fixed plate 71 so as to be rotatable about a rotary shaft 72, and the fixed plate 71 and the movable plate 73. It is mainly composed of an air cell 74 that is connected and expands to push up the movable plate 73 toward the cushion side portion 121 .

In the above configuration, as shown in FIG. 6, when the cushion side portion 121 moves to the protruding position, the storage recess 124 is the portion of the cushion side portion 121 that most protrudes toward the upholstery 102c (upper obliquely inward). are placed in overlapping positions.
Moreover, at that time, the storage recess 124 is formed so as to be deepest at a position overlapping with the most protruding portion.
In general, of the side bolster portion, the portion supported by the side support device 70 is the portion that is most likely to come into contact with the seated occupant.
Therefore, the portion that is likely to come into contact with the seat heater 140 is the portion that is preferably warmed by the seat heater 140 and the deformation of the seat heater 140 is to be suppressed.
Therefore, by forming the storage recess 124 in this portion that is likely to come into contact with the seat heater 140, the deformation of the seat heater 140 can be suppressed while ensuring the comfort of the seated person.

In the above configuration, when the cushion side portion 121 moves to the projecting position, the upholstery material 102c is stretched toward the seated person. . That is, it becomes easy to give a sense of incongruity to a seated person.
Therefore, the effect of forming the storage recessed portion 124 becomes more conspicuous in the seat provided with the side support device 70 .

<Third Embodiment of Vehicle Seat>
Next, a third embodiment of the vehicle seat will be described with reference to FIGS. 7 and 8. FIG.
The vehicle seat S3 of the third embodiment is significantly different in that the cushion side portion 221 includes a first side heater portion 240ba and a second side heater portion 240bb that are spaced apart from each other.
The first side heater portion 240ba and the second side heater portion 240bb each extend along the extension direction of the cushion side portion 221 (the seat front-rear direction). configured independently of the

The cushion side portion 221 has a first storage recess 224a and a second storage recess 224b for storing the first side heater portion 240ba and the second side heater portion 240b, respectively, and a first storage recess 224a and a second storage recess 224b. A connecting concave portion 224c for connecting is formed.
For this reason, although a high-grade vehicle seat generally has a plurality of seat heaters 240 attached to the side bolster portion, the configuration of the storage recess 224 achieves a good seating feeling even when a plurality of seat heaters 240 are attached. Moreover, deformation of the seat heater 240 can be suppressed.
Further, the formation of the connecting concave portion 224c as described above facilitates the positioning of the seat heater 240. As shown in FIG.

<Other embodiments>
In the above-described embodiment, as shown in FIG. 1, the vehicle seat S is a seat having side bolster portions (cushion side portions 21 and 22), and the seat heater 40 includes the cushion body portion 20 and the cushion side portions 21 and 22. The seat is not particularly limited, and may be, for example, a seat that does not have a side bolster portion.
In that case, the seat heater 40 may be attached only to the cushion main body 20, and the cushion main body 20 is divided into three regions in the seat width direction, and each heater wire 43 is extended to each region. should be placed.

In the above-described embodiment, as shown in FIG. 5A, the seat rear portion of the cushion side portion 21 is supported by the side frame portion 2aa without projecting outward from the side frame portion 2aa in the seat width direction. there is
Therefore, the storage recess 24 may not necessarily be formed in the seat rear portion of the cushion side portion 21 because deformation of the cushion material is relatively small.

In the above-described embodiment, the seat heater 40 is attached to the surface of the storage recess 24 by being adhered with double-sided tape. It may be stowed away.

In the above embodiment, a vehicle seat used in an automobile was described as a specific example, but the present invention is not particularly limited to vehicle seats used in trains, buses, etc., but also vehicle seats used in airplanes, ships, etc. can also be used as
In addition to vehicle seats, it can also be used as seats that are widely used indoors or outdoors in commercial facilities such as movie theaters and planetariums, and public facilities such as hospital waiting rooms.

In this embodiment, the vehicle seat according to the present invention has been mainly described.
However, the above embodiment is merely an example for facilitating understanding of the present invention, and does not limit the present invention. The present invention can be modified and improved without departing from its spirit, and the present invention includes equivalents thereof.

S, S2, S3 Vehicle seat 1 Seat back 1b, 2b, 3b Cushion material 1c, 2c, 3c, 102c Skin material 2ca Wadding material 2 Seat cushion 2a Cushion frame (frame)
2aa, 102aa side frame portion 2ab projecting portion 3 headrest 4 seat connecting portion (connecting portion)
20 Cushion body 21, 22, 121, 221 Cushion side 23 Suspension groove 24, 124, 224 Storage recess 24a Side wall 24b Bottom wall 224a First storage recess 224b Second storage recess 224c Connection recess 40, 140, 240 Seat heater 40a Central heater portion 40b, 40c Side heater portion 240ba First side heater portion 240bb Second side heater portion 41 Seat base material 41d Notch portions 42, 142 Electric wire 42a Harness 43 Heater wire 43a First heater wire 43b Second heater Wire 43c Third heater wire 44 Temperature measurement sensor 45, 145 Temperature adjustment device 70 Side support device 71 Fixed plate 72 Rotating shaft 73 Movable plate 74 Air cell

Claims (7)

A vehicle seat comprising a frame that serves as a skeleton and a cushion material placed thereon and covered with an upholstery material, and comprising a seat heater between the cushion material and the upholstery material,
The cushion material has a cushion main body portion in the central portion in the seat width direction and cushion side portions on the left and right outer sides of the cushion main body portion,
A storage recess for storing the seat heater is formed in the cushion side portion,
The seat heater has a central heater portion arranged in the cushion main body portion and a side heater portion arranged in the cushion side portion,
The side heater section
a first side heater unit connected in parallel with the central heater unit and housed in the housing recess;
a second side heater section that is provided independently of the central heater section and the first side heater section and that is spaced apart from the first side heater section in the seat width direction ;
The storage recess includes a first storage recess for storing the first side heater portion, a second storage recess for storing the second side heater portion, and a connection for connecting the first storage recess and the second storage recess. a recess;
The first side heater section and the second side heater section are arranged without being connected to each other, and the first housing recess for housing the first side heater section and the second side heater section for housing the first side heater section are provided. A vehicle seat , wherein the second storage recess is connected to the vehicle seat. The second side heater section is connected to a control device separate from the central heater section and the first side heater section ,
the control device connected to the second side heater section and the connecting recess are arranged on opposite sides of the second side heater section in the length direction of the second side heater section;
2. The vehicle seat according to claim 1, wherein the control device is arranged on the rear side of the seat cushion, and the connecting recess is arranged on the front side of the seat cushion. Even if the heater function of any one of the central heater portion, the first side heater portion, and the second side heater portion cannot be maintained, the heater function of the other heater portions can be maintained. The vehicle seat according to claim 1 or 2. The side heater section has left and right second side heater sections,
The vehicle seat according to any one of claims 1 to 3, wherein the left and right second side heater units are connected to separate control devices. The vehicle seat according to any one of claims 1 to 4, wherein the second side heater portion is arranged outside the first side heater portion in the seat width direction. The storage recesses include left and right first storage recesses for storing the left and right first side heater portions, and left and right second storage recess portions for storing the left and right second side heater portions. have
6. The right and left first storage recesses and the left and right second storage recesses are formed so as to be bilaterally symmetrical with respect to the cushion main body. A vehicle seat according to the above paragraph. The vehicle seat according to any one of claims 1 to 6 , further comprising a headrest that supports the head of a seated occupant from behind.

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