KR20230174010A - Seat for vehicle - Google Patents

Abstract

The present invention provides a base portion; A first sheet portion and a second sheet portion rotatable with respect to the base portion and configured to be symmetrical to each other about the base portion; A first rest portion provided to adjust the posture of the first seat portion; It is provided to adjust the posture of the second seat portion and includes a second rest portion configured to be symmetrical to the first rest portion.

Description

Vehicle seat {SEAT FOR VEHICLE}

The present invention is a technology related to the structure of a seat that can be mounted on a vehicle.

Currently, the automobile industry is in full swing developing future-oriented vehicles such as autonomous vehicles, PBV (Purpose Built Vehicle), and MPV (Multi-Purpose Vehicle).

In other words, it allows the vehicle to go beyond simple driving functions and provide improved comfort and comfort, as well as becoming a means of performing numerous different tasks inside the vehicle.

For example, when a vehicle is driving autonomously, a seat posture can be implemented that allows first and second row passengers to face each other, or a seat posture that allows the driver to do various things he or she wants in the most comfortable position, just like at home. It is done.

However, it is difficult for currently mass-produced vehicle seats to meet the demands of future-oriented vehicles as described above.

The matters described as the background technology of the above invention are only for the purpose of improving the understanding of the background of the present invention, and should not be taken as recognition that they correspond to prior art already known to those skilled in the art. It will be.

KR 10-2107413 B1

The purpose of the present invention is to provide a vehicle seat that can easily provide the comfort and various usability required for future-oriented vehicles by enabling various postures and orientations to meet the various needs of the occupants. .

The vehicle seat of the present invention to achieve the above-mentioned purpose,

base part;

A first sheet portion and a second sheet portion rotatable with respect to the base portion and configured to be symmetrical to each other about the base portion;

A first rest portion provided to adjust the posture of the first seat portion;

a second rest portion provided to adjust the posture of the second seat portion and configured to be symmetrical to the first rest portion;

It is characterized by being composed including.

The first sheet part and the second sheet part are installed so that they can rotate symmetrically with rotation axes parallel to each other with respect to the base part;

The first rest portion is installed to be rotatable with respect to the first seat portion with a rotation axis parallel to a rotation axis along which the first seat portion is rotated with respect to the base portion;

The second rest portion may be installed to be rotatable with respect to the second seat portion with a rotation axis parallel to a rotation axis along which the second seat portion is rotated with respect to the base portion.

The first rest portion is provided so that a length protruding from the first seat portion and a rotation angle can be adjusted;

The second rest part may be provided so that a length protruding from the second seat part and a rotation angle can be adjusted.

The first rest portion and the second rest portion are installed so that the rotation angle of the first seat portion and the second seat portion can be adjusted by an angle adjusting mechanism, respectively;

The angle adjustment mechanism is configured to include stays connecting the first rest portion and the second rest portion to the first seat portion and the second seat portion, respectively;

The first seat portion and the second seat portion may each be provided with a seat frame.

The stay is formed in a U-shape, so that the U-shaped bent portion is rotatably installed on the seat frame, and the first rest portion and the second rest portion can be respectively inserted into the two straight portions of the U-shape.

The angle adjustment mechanism is,

an adjustment gear integrally connected to the stay and rotatably installed on the seat frame;

A locking lever installed to restrict rotation of the control gear;

An adjustment spring installed to apply an elastic force to the seat frame to rotate the stay and the adjustment gear;

a latch spring installed to apply an elastic force to rotate the locking lever in a direction in which the locking lever restrains rotation of the control gear;

It may be configured to include.

The control gear may be formed with a plurality of locking teeth that can be locked to the locking lever while rotating with respect to the seat frame so as to variously restrict the rotation angle of the stay with respect to the seat frame.

a release lever installed on the seat frame to rotate the locking lever in a release direction so as to release the state in which the locking lever restricts the rotation of the control gear;

a release knob installed so that a user can operate the release lever;

a release cable installed to transmit the operating force of the release knob to the release lever;

It may be configured to further include.

a release spring installed to apply an elastic force to rotate the release lever in a direction opposite to that in which the release lever releases the locking lever;

It may be configured to further include.

The seat frame is provided with a stopper that limits the angle at which the adjustment gear and stay are rotated by the elastic force of the adjustment spring;

The stopper may be provided with a damping function to buffer pressure shock.

The first rest portion and the second rest portion may be configured to adjust the lengths inserted into the two straight portions of the U-shaped stay, respectively.

In addition, the vehicle seat of the present invention to achieve the above-mentioned purpose,

A first seat portion and a second seat portion each including a seat frame and a backboard;

A base portion rotatably supporting one end of the first and second seat portions with rotation axes parallel to each other;

A first rest part installed to change the posture of the first seat part;

A second rest part installed to change the posture of the second seat part;

It is characterized by being composed including.

The first rest portion and the second rest portion are installed to adjust the rotation angles of the first seat portion and the second seat portion, respectively, by an angle adjusting mechanism;

The angle adjustment mechanism is configured to include a U-shaped stay connecting the first rest portion and the second rest portion to the first seat portion and the second seat portion, respectively;

The first rest portion and the second rest portion may be configured to adjust lengths protruding from the first seat portion and the second seat portion depending on the depth at which they are respectively inserted into the stay.

The angle adjustment mechanism is,

An adjustment gear rotatably installed with respect to the seat frame together with the stay and having a plurality of locking teeth;

an adjustment spring that provides elastic force so that the adjustment gear rotates with respect to the seat frame;

a locking lever installed on the seat frame so as to be caught by a locking value of the adjusting gear and restrict rotation of the adjusting gear;

a latch spring installed to elastically support the locking lever in a direction that restricts rotation of the control gear;

a release lever installed on the seat frame to rotate the locking lever so that the locking lever is separated from the locking value of the control gear to release the restraint state of the control gear;

a release spring that elastically supports the release lever in a direction opposite to that in which the release lever releases the locking lever;

It may be configured to include.

A release cable is connected to the release lever;

A release knob that receives the user's operating force is connected to the release cable;

The release knob is elastically supported by a knob spring on the backboard;

The knob spring may be installed to provide elastic force in a direction opposite to the direction in which the release cable is pulled by the release knob.

Rotation of the first rest portion with respect to the first seat portion, rotation of the second rest portion with respect to the second seat portion, rotation of the first seat portion with respect to the base portion, and rotation of the second seat portion with respect to the base portion are They can all be configured to be on planes parallel to each other.

The present invention allows various postures and directions to be implemented to satisfy the various needs of the occupants, thereby easily providing the comfort and various usability required for future-oriented vehicles.

In particular, a first seat portion and a second seat portion configured to selectively perform the functions of a conventional seat cushion and a seatback, and a first rest portion and a second seat portion configured to selectively perform the functions of a conventional headrest and leg rest. With a two-rest structure, the seat can be changed to allow seating in both directions, and the user's head and legs can be properly supported in each sitting state, providing improved seat comfort and various usability.

1 is a diagram showing a vehicle seat according to the present invention;
Figure 2 is a diagram illustrating a state in which the seat posture of Figure 1 has changed;
Figure 3 is a diagram showing an example of use by a user when looking at the sheet of Figure 1 from the side;
Figure 4 is an exploded perspective view of the seat portion of Figure 1;
Figure 5 is a state where the sheet portion of Figure 4 is combined;
Figure 6 is a diagram showing the angle adjustment mechanism of the present invention;
Figure 7 is a view of the main configuration of Figure 6 observed from the side of the seat portion;
Figure 8 is a diagram showing a state in which the control gear and the stay are rotated downward compared to Figure 6;
Figure 9 is a view of the main configuration of Figure 8 observed from the side of the seat portion;
Figure 10 is a diagram explaining the rotation angle adjustment of the rest part with respect to the seat part;
11 is a diagram illustrating a release knob and release cable;
FIG. 12 is a cross-sectional view taken along line ⅩⅡ-ⅩⅡ of FIG. 5.

Hereinafter, embodiments disclosed in the present specification will be described in detail with reference to the attached drawings. However, identical or similar components will be assigned the same reference numbers regardless of reference numerals, and duplicate descriptions thereof will be omitted.

The suffixes “module” and “part” for components used in the following description are given or used interchangeably only for the ease of preparing the specification, and do not have distinct meanings or roles in themselves.

In describing the embodiments disclosed in this specification, if it is determined that detailed descriptions of related known technologies may obscure the gist of the embodiments disclosed in this specification, the detailed descriptions will be omitted. In addition, the attached drawings are only for easy understanding of the embodiments disclosed in this specification, and the technical idea disclosed in this specification is not limited by the attached drawings, and all changes included in the spirit and technical scope of the present invention are not limited. , should be understood to include equivalents or substitutes.

Terms containing ordinal numbers, such as first, second, etc., may be used to describe various components, but the components are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another.

When a component is said to be "connected" or "connected" to another component, it is understood that it may be directly connected or connected to the other component, but that other components may exist in between. It should be. On the other hand, when it is mentioned that a component is “directly connected” or “directly connected” to another component, it should be understood that there are no other components in between.

Singular expressions include plural expressions unless the context clearly dictates otherwise.

In this specification, terms such as “comprise” or “have” are intended to indicate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

In addition, the unit or control unit included in names such as motor control unit (MCU) and hybrid control unit (HCU) is a control device that controls specific vehicle functions. It is only a term widely used in naming, and does not mean a generic function unit.

A controller is a communication device that communicates with other controllers or sensors to control the function it is in charge of, a memory that stores the operating system, logic commands, input/output information, etc., and a device that performs the judgments, calculations, and decisions necessary to control the function it is in charge of. It may include more than one processor.

1 to 10, an embodiment of the vehicle seat of the present invention includes a base portion (1); A first sheet portion (3) and a second sheet portion (5) configured to be rotatable with respect to the base portion (1) and symmetrical to each other about the base portion (1); A first rest part (7) provided to adjust the posture with respect to the first seat part (3); It is provided to adjust the posture with respect to the second seat portion (5) and includes a second rest portion (9) configured to be symmetrical to the first rest portion (7).

In other words, the present invention allows the seat to be used by modifying it in various postures as shown in Figures 1 to 3, so that it can easily provide the comfort and various usability required for general vehicles as well as future-oriented vehicles. will be.

For reference, compared to Figure 1, Figure 2 shows the first rest part 7 folded downward, and Figure 3 shows the first seat part 3 and the second sheet part 5 as the base part 1. ) is rotated in a V shape, the first seat portion 3 serves as a seat cushion, the second seat portion 5 serves as a seat back, and the first rest portion 7 serves as a leg rest. The second rest part 9 performs the function of a headrest.

The first seat portion (3) and the second seat portion (5) can perform both the function of a seat cushion and a seat back, respectively, so that the first seat portion (3) can function as a seat cushion as described above. In this case, the second seat portion 5 serves as a seatback, and when the second seat portion 5 functions as a seat cushion, the first seat portion 3 functions as a seatback.

Therefore, when the seat of the present invention is mounted on a vehicle, the user can sit looking at the front of the vehicle or sit looking at the rear of the vehicle.

For example, if the state in FIGS. 1 and 2 is a state in which the vehicle is seated while facing the front, the second seat portion 5 and the first seat portion 3 are rotated with respect to the base portion 1, If the second seat part 5 is used as a seat cushion and the first seat part 3 is used as a seat back, the user can sit while looking at the rear of the vehicle.

Meanwhile, the first rest part 7 and the second rest part 9 can perform both the functions of a headrest and a leg rest, respectively, as shown in Figures 1 to 3. When the first rest part 7 performs the function of a leg rest, the second rest part 9 performs the function of a head rest, and conversely, the first rest part 7 performs the function of a head rest. In the seated posture, the second rest portion 9 functions as a leg rest.

In order to easily change the uses of the first seat portion 3 and the second seat portion 5 and the first rest portion 7 and the second rest portion 9 as described above, the first The seat portion 3 and the second seat portion 5 are installed so that they can rotate symmetrically with rotation axes parallel to each other with respect to the base portion 1; The first rest portion (7) is installed to be rotatable with respect to the first seat portion (3) with a rotation axis parallel to the rotation axis along which the first seat portion (3) rotates with respect to the base portion (1); The second rest portion 9 is installed to be rotatable with respect to the second seat portion 5 with a rotation axis parallel to the rotation axis along which the second seat portion 5 rotates with respect to the base portion 1.

Meanwhile, so that the first rest part 7 and the second rest part 9 can implement an appropriate posture as a head rest and a leg rest, respectively, the first rest part 7 is connected to the first seat part 3. It is provided so that the length protruding from and the rotation angle can be adjusted; The second rest part 9 is provided so that the length protruding from the second seat part 5 and the rotation angle can be adjusted.

In this embodiment, the rotation angle of the first rest portion 7 and the second rest portion 9 is adjusted by the angle adjusting mechanism in the first seat portion 3 and the second seat portion 5, respectively. is installed so that it can be; The angle adjustment mechanism includes a stay 11 that connects the first rest portion 7 and the second rest portion 9 to the first seat portion 3 and the second seat portion 5, respectively. and; The first seat portion 3 and the second seat portion 5 each include a seat frame 13 and a backboard 15.

That is, the angle adjustment mechanism is commonly provided as the same mechanism between the first rest portion (7) and the first seat portion (3) and between the second rest portion (9) and the second seat portion (5). will be.

In this embodiment, the stay 11 is formed in a U shape, so that the U-shaped bent portion is rotatably installed on the seat frame 13, and the first rest portion 7 is attached to the two straight U-shaped portions. and the second rest portion 9 are respectively inserted.

The angle adjustment mechanism includes an adjustment gear (17) integrally connected to the stay (11) and rotatably installed on the seat frame (13); A locking lever (19) installed to restrict the rotation of the control gear (17); An adjustment spring (21) installed to apply an elastic force to rotate the stay (11) and the adjustment gear (17) to the seat frame (13); The locking lever 19 is configured to include a latch spring 23 installed to apply an elastic force to rotate the locking lever 19 in a direction that restrains the rotation of the control gear 17.

For example, the stay 11 and the control gear 17 may be integrated by welding or the like.

Therefore, the stay 11 is rotatably installed on the seat frame 13 through the control gear 17, and in this embodiment, the rotation trajectory of the stay 11 is installed on the seat frame 13. This configuration has an arc-shaped groove 25 to accommodate it.

In addition, the control gear 17 is rotated with respect to the seat frame 13 and connected to the locking lever 19 so that the rotation angle of the stay 11 with respect to the seat frame 13 can be variously restricted. It is a structure in which a number of locking teeth 27 that can be restrained are formed.

Therefore, the rotation angle of the stay 11 with respect to the seat frame 13 is adjusted depending on which of the plurality of locking teeth 27 of the control gear 17 is caught by the locking lever 19. .

Accordingly, the first rest portion 7 and the second rest portion 9 inserted into the stay 11 have various rotation angles with respect to the first seat portion 3 and the second seat portion 5, respectively. By adjusting it, the posture can be easily changed to the angle requested by the user as a headrest or leg rest.

Meanwhile, in this embodiment, the seat frame ( Release lever (29) installed on 13); a release knob (31) installed so that the user can operate the release lever (29); It further includes a release cable 33 installed to transmit the operating force of the release knob 31 to the release lever 29.

In addition, this embodiment further includes a release spring 35 installed to apply an elastic force to rotate the release lever 29 in the opposite direction from which the release lever 29 releases the locking lever 19. .

Therefore, in the state shown in FIGS. 6 and 7, when the user operates the release knob 31 and pulls the release cable 33, the locking lever 19 rotates in the release direction and moves the control gear 17. When released, the control gear 17 and the stay 11 are rotated to the state shown in Figures 8 and 9 by the elastic force of the control spring 21.

Therefore, when the user adjusts the angle of the first rest part 7 or the second rest part 9, the user operates the release knob 31 of the corresponding angle adjustment mechanism, After adjusting the angle of the second rest part 9, when the release knob 31 is released, the locking lever 19 is caught by the locking value 27 of the control gear 17 at that angle. , the angle of the first rest part 7 or the second rest part 9 is maintained constant according to the user's intention.

Meanwhile, the seat frame 13 is provided with a stopper 37 that limits the angle at which the adjustment gear 17 and the stay 11 are rotated by the elastic force of the adjustment spring 21; It would be desirable for the stopper 37 to have a damping function to cushion the pressure shock.

The stopper 37 may be made of a cushioning material such as rubber to implement the damping function.

Accordingly, the stay 11 can be rotated with respect to the seat frame 13 from the state shown in FIGS. 6 and 7 up to the state shown in FIGS. 8 and 9, and in FIGS. 8 and 9, the stopper 37 ), the rotation of the stay 11 is restricted.

In addition, the first rest part 7 and the second rest part 9 are each configured to adjust the length inserted into the two straight parts of the U-shaped stay 11.

Therefore, when the length at which the first rest part 7 is inserted into the stay 11 is adjusted, the protruding length of the first rest part 7 with respect to the first seat part 3 is adjusted, and the first rest part 7 is adjusted. By adjusting the length at which the second rest part (9) is inserted into the stay (11), the protruding length of the second rest part (9) with respect to the second seat part (5) is adjusted.

Here, adjusting the length of the first rest part 7 or the second rest part 9 inserted into the stay 11 can be achieved by the locking mechanism used in the conventional headrest, and the stay ( 11), a plurality of notch grooves are formed on the straight portion, and the first rest portion (7) and the second rest portion (9) have a known locking mechanism that can switch between a locked state and a released state in the notch groove, etc. It will be possible to implement it by providing .

Meanwhile, the present invention constructed as described above may be expressed as follows.

That is, the embodiment of the vehicle seat of the present invention includes a first seat portion 3 and a second seat portion 5 including a seat frame 13 and a backboard 15, respectively; A base portion (1) rotatably supporting one end of the first seat portion (3) and the second seat portion (5) with rotation axes parallel to each other; A first rest part (7) installed to change the posture with respect to the first seat part (3); It is configured to include a second rest part (9) installed to change the posture with respect to the second seat part (5).

The first rest portion (7) and the second rest portion (9) are installed so that the rotation angles of the first seat portion (3) and the second seat portion (5) can be adjusted by an angle adjustment mechanism, respectively. ; The angle adjustment mechanism includes a U-shaped stay (11) that connects the first rest portion (7) and the second rest portion (9) to the first seat portion (3) and the second seat portion (5), respectively. It consists of: The first rest portion (7) and the second rest portion (9) each have a length protruding from the first seat portion (3) and the second seat portion (5) depending on the depth at which they are inserted into the stay (11). It can be configured to be adjusted.

The angle adjustment mechanism includes an adjustment gear 17 that is rotatably installed with respect to the seat frame 13 together with the stay 11 and has a plurality of locking teeth 27; an adjustment spring (21) that provides elastic force so that the adjustment gear (17) rotates with respect to the seat frame (13); A locking lever (19) installed on the seat frame (13) that is caught by the locking value (27) of the adjusting gear (17) and restricts the rotation of the adjusting gear (17); A latch spring (23) installed to elastically support the locking lever (19) in a direction that restricts the rotation of the control gear (17); The locking lever 19 is separated from the locking value 27 of the control gear 17 so that the locking lever 19 can be rotated to release the restraint state of the control gear 17. Release lever (29) installed on the frame (13); a release spring 35 that elastically supports the release lever 29 in the opposite direction from which the release lever 29 releases the locking lever 19; It may be configured to include.

A release cable (33) is connected to the release lever (29); A release knob 31 that receives the user's operating force is connected to the release cable 33; The release knob 31 is elastically supported on the backboard 15 by a knob spring 39; The knob spring 39 may be installed to provide elastic force in the opposite direction to which the release cable 33 is pulled by the release knob 31.

For reference, in FIG. 11, two release cables 33 are connected to the release knob 31, indicating that the locking lever 19 can be released from both sides of the U-shaped stay 11, respectively. there is.

Here, the rotation of the first rest portion (7) with respect to the first seat portion (3), the rotation of the second rest portion (9) with respect to the second seat portion (5), and the base portion (1) It can be seen that the rotation of the first sheet part 3 with respect to and the rotation of the second sheet part 5 with respect to the base part 1 are both configured to occur on planes parallel to each other.

Although the present invention has been shown and described in relation to specific embodiments, it is known in the art that various improvements and changes can be made to the present invention without departing from the technical spirit of the present invention as provided by the following claims. It will be self-evident to those with ordinary knowledge.

One; base part
3; 1st sheet part
5; 2nd seat part
7; 1st rest part
9; 2nd rest part
11; stay
13; seat frame
15; backboard
17; control gear
19; Latch lever
21; adjustment spring
23; latch spring
25; home
27; catch
29; release lever
31; Release knob
33; release cable
35; release spring
37; stopper
39; Knob spring

Claims (16)

base part;
A first sheet portion and a second sheet portion rotatable with respect to the base portion and configured to be symmetrical to each other about the base portion;
A first rest portion provided to adjust the posture of the first seat portion;
a second rest portion provided to adjust the posture of the second seat portion and configured to be symmetrical to the first rest portion;
A vehicle seat comprising: In claim 1,
The first sheet part and the second sheet part are installed so that they can rotate symmetrically with rotation axes parallel to each other with respect to the base part;
The first rest portion is installed to be rotatable with respect to the first seat portion with a rotation axis parallel to a rotation axis along which the first seat portion is rotated with respect to the base portion;
The second rest portion is rotatably installed with respect to the second seat portion with a rotation axis parallel to the rotation axis along which the second seat portion is rotated with respect to the base portion.
A vehicle seat featuring. In claim 2,
The first rest portion is provided so that a length protruding from the first seat portion and a rotation angle can be adjusted;
The second rest part is provided so that the length protruding from the second seat part and the rotation angle can be adjusted.
A vehicle seat featuring. In claim 3,
The first rest portion and the second rest portion are installed so that the rotation angle of the first seat portion and the second seat portion can be adjusted by an angle adjusting mechanism, respectively;
The angle adjustment mechanism is configured to include stays connecting the first rest portion and the second rest portion to the first seat portion and the second seat portion, respectively;
The first sheet portion and the second sheet portion each have a seat frame.
A vehicle seat featuring. In claim 4,
The stay is formed in a U-shape, so that the U-shaped bent portion is rotatably installed on the seat frame, and the first rest portion and the second rest portion are respectively inserted into the two straight portions of the U-shape.
A vehicle seat featuring. In claim 5,
The angle adjustment mechanism is,
an adjustment gear integrally connected to the stay and rotatably installed on the seat frame;
A locking lever installed to restrict rotation of the control gear;
An adjustment spring installed to apply an elastic force to the seat frame to rotate the stay and the adjustment gear;
a latch spring installed to apply an elastic force to rotate the locking lever in a direction in which the locking lever restrains rotation of the control gear;
A vehicle seat comprising: In claim 6,
The control gear is formed with a plurality of locking teeth that can be locked to the locking lever while rotating with respect to the seat frame so as to variously restrict the rotation angle of the stay with respect to the seat frame.
A vehicle seat featuring. In claim 7,
a release lever installed on the seat frame to rotate the locking lever in a release direction so as to release the state in which the locking lever restricts the rotation of the control gear;
a release knob installed so that a user can operate the release lever;
a release cable installed to transmit the operating force of the release knob to the release lever;
A vehicle seat further comprising: In claim 8,
a release spring installed to apply an elastic force to rotate the release lever in a direction opposite to that in which the release lever releases the locking lever;
A vehicle seat further comprising: In claim 7,
The seat frame is provided with a stopper that limits the angle at which the adjustment gear and stay are rotated by the elastic force of the adjustment spring;
The stopper is equipped with a damping function to cushion the pressure shock.
A vehicle seat featuring. In claim 5,
The first rest part and the second rest part are each configured to adjust the length inserted into the two straight parts of the U-shaped stay.
A vehicle seat featuring. A first seat portion and a second seat portion each including a seat frame and a backboard;
A base portion rotatably supporting one end of the first and second seat portions with rotation axes parallel to each other;
A first rest part installed to change the posture of the first seat part;
A second rest part installed to change the posture of the second seat part;
A vehicle seat comprising: In claim 12,
The first rest portion and the second rest portion are installed to adjust the rotation angles of the first seat portion and the second seat portion, respectively, by an angle adjusting mechanism;
The angle adjustment mechanism is configured to include a U-shaped stay connecting the first rest portion and the second rest portion to the first seat portion and the second seat portion, respectively;
The first rest portion and the second rest portion are configured so that the lengths protruding from the first seat portion and the second seat portion are adjusted depending on the depth of insertion into the stay, respectively.
A vehicle seat featuring. In claim 13,
The angle adjustment mechanism is,
An adjustment gear rotatably installed with respect to the seat frame together with the stay and having a plurality of locking teeth;
an adjustment spring that provides elastic force so that the adjustment gear rotates with respect to the seat frame;
A locking lever installed on the seat frame to engage the locking value of the adjusting gear and restrict rotation of the adjusting gear;
a latch spring installed to elastically support the locking lever in a direction that restricts rotation of the control gear;
a release lever installed on the seat frame to rotate the locking lever so that the locking lever is separated from the locking value of the control gear to release the restraint state of the control gear;
a release spring that elastically supports the release lever in a direction opposite to that in which the release lever releases the locking lever;
A vehicle seat comprising: In claim 14,
A release cable is connected to the release lever;
A release knob that receives the user's operating force is connected to the release cable;
The release knob is elastically supported by a knob spring on the backboard;
The knob spring is installed to provide elastic force in the opposite direction to which the release cable is pulled by the release knob.
A vehicle seat featuring. In claim 13,
Rotation of the first rest portion with respect to the first seat portion, rotation of the second rest portion with respect to the second seat portion, rotation of the first seat portion with respect to the base portion, and rotation of the second seat portion with respect to the base portion are Constructed so that everything is done on a plane parallel to each other
A vehicle seat featuring.