Vehicle seat with leg rest having a seat pad function

Abstract

The present invention provides a vehicle seat with a leg rest having a seat cushion function, comprising: a support frame having a predetermined height and mounted on the floor; a front seat cushion having a seat cushion frame mounted on the support frame so as to be movable forward or backward; a front seat back having a seat back frame connected to the seat cushion frame so as to be tiltable; a leg rest support frame connected to an adjuster frame disposed below the seat back frame; a leg rest bracket fastened to the leg rest support frame so as to be unfolded backward; and a leg rest with a seat cushion function mounted on the leg rest bracket and mounted on the rear of the front seat back so as to be unfolded.

Description

Technical Field

[0001] This invention relates to a vehicle seat with a legrest that has a cushion function, and more specifically to a vehicle seat with a novel structure in which the legrest with a cushion function is mounted in an unfoldable manner on the rear of the front seat back. Background Technology

[0002] Typically, vehicle seats are manufactured to include a seat cushion for sitting, a seat back for reclining, and a headrest for supporting the neck and head. In addition, a seating mechanism that allows the seat to be freely adjusted to fit the passenger's body shape and situation is also incorporated.

[0003] In particular, when it comes to the future development of seats for autonomous vehicles, it will be necessary to install seat mechanisms that allow passengers to adopt the postures they desire, such as talking, resting, and sleeping.

[0004] For example, when the seat back is reclined, the front of the seat is raised, and the leg rest installed at the front of the seat is unfolded, the passenger's seat can achieve a comfortable resting posture while distributing the passenger's body pressure as much as possible.

[0005] With the leg rests attached to the seat cushion extended, passengers can rest their lower legs on them and assume a comfortable posture. However, because the passengers' feet are not supported in a floating position, they may experience discomfort.

[0006] Conversely, the most comfortable posture is achieved when passengers place and support their feet on a specific object with their legs extended, rather than their calves.

[0007] Therefore, if the leg rest is made into an extended form or a separate extended structure is added to the leg rest, it can support not only the passenger's lower legs but also the feet. However, this inevitably leads to limitations in the interior space, as well as an increase in the number of related components, weight, and cost.

[0008] The information disclosed in the background section is only intended to enhance the understanding of the background of the present invention, and therefore may contain information that does not constitute prior art known to a person skilled in the art in that country. Summary of the Invention

[0009] This invention aims to solve problems associated with the prior art, and its object is to provide a vehicle seat with a leg rest that has a seat cushion function, wherein the leg rest is installed in an unfoldable manner on the rear of the front seat back, so that a passenger sitting in the rear seat can place and support his / her lower legs and feet on the unfolded leg rest, and the front seat back can be tilted forward to use the unfolded leg rest as a seat cushion, on which the passenger can sit while facing the passenger sitting in the rear seat.

[0010] To achieve this objective, the present invention provides a vehicle seat with a leg rest having a seat cushion function, comprising: a support frame having a predetermined height and mounted on the floor; a front seat cushion having a seat cushion frame mounted on the support frame for being able to move forward or backward; a front seat back having a seat back frame connected to the seat cushion frame for being able to tilt; a leg rest support frame connected to an adjuster frame disposed below the seat back frame; a leg rest bracket fastened to the leg rest support frame for being able to unfold backward; and a leg rest with a seat cushion function mounted on the leg rest bracket and mounted on the rear of the front seat back for being able to unfold.

[0011] A vehicle seat with a leg rest featuring a cushion function, according to an exemplary embodiment of the present invention, further includes a lever device interlockably connected to an adjuster mounted on an adjuster frame and a leg rest locking device mounted on a leg rest support frame. This serves as an operating mechanism to simultaneously perform unlocking operations on the adjuster and the leg rest locking device, or to perform only the unlocking operation on the leg rest locking device.

[0012] Specifically, the lever device includes: an angle adjuster lever with its front end arranged as a free end operable by a user and its rear end rotatably connected to an angle adjuster; a leg rest unlocking first lever with its lower end rotatably connected to a leg rest locking device and its upper end provided with a guide pin; and a connecting rod with its front end hinged to the angle adjuster lever and its rear end having a guide hole into which a guide pin is inserted for slidable movement.

[0013] In addition, a spring is connected between the rear of the adjuster lever and the leg support frame. This spring is configured to provide an elastic restoring force after the adjuster lever is pulled, so that the adjuster lever returns to its initial position.

[0014] In addition, the first leg support unlocking lever and the second leg support unlocking lever are integrally formed at a predetermined angle so that only the leg support locking device is unlocked when the leg support is extended backward.

[0015] In addition, a leg support unfolding operation lever, which is connected to the second leg support unlocking lever via a cable, is installed at the rear of the leg support so that it can be tilted.

[0016] Preferably, the front and rear portions of the front seat backrest have symmetrical shapes, such that each of the front and rear portions of the front seat backrest has a surface profile that allows the passenger's upper body to lean against.

[0017] In addition, a fixed guide rail is installed above the support frame, and a movable guide rail, fastened to the fixed guide rail so as to allow forward or backward movement, is installed below the seat cushion frame.

[0018] In addition, a protective cover that covers the seat cushion frame is installed on the periphery of the front seat cushion.

[0019] Preferably, the handrail portion having the shape of a passenger's armrest is integrally formed on the rear of both sides of the protective cover.

[0020] With the above configuration, the present invention provides the following effects:

[0021] First, by installing the leg rests in an unfoldable manner on the back of the front seat, passengers sitting in the rear seats can place and support their feet and calves on the leg rests, adopting a comfortable resting posture while distributing body pressure as much as possible.

[0022] Secondly, by tilting the front seatbacks forward to use the extended leg rests as a seat cushion for passengers to sit on, while facing the passengers in the rear seats, a seating posture that allows for conversation with the passengers in the rear seats can be achieved, and a comfortable seating space can be provided for infants who need adult protection.

[0023] It should be understood that the term "automobile" or "vehicle" or other similar terms as used herein generally include: motor vehicles, such as passenger cars including sport utility vehicles (SUVs), buses, trucks, various commercial vehicles; watercraft including various boats and vessels; aircraft, etc., and includes hybrid electric vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles, and other alternative fuel vehicles (e.g., fuels derived from resources other than petroleum). As mentioned herein, a hybrid electric vehicle is a vehicle with two or more power sources, such as a gasoline-powered and an electric-powered vehicle.

[0024] The above and other features of the present invention will now be discussed. Attached Figure Description

[0025] The above and other features of the invention will now be described in detail with reference to certain exemplary examples of the invention shown in the accompanying drawings, which are given hereinafter by way of example only and are not intended to limit the invention, and wherein:

[0026] Figure 1 This is a perspective view showing the appearance of a vehicle seat with a leg rest having a cushion function according to an exemplary embodiment of the present invention;

[0027] Figure 2 This is a side view showing the internal structure and lever device of a vehicle seat with a leg rest having a cushion function according to an exemplary embodiment of the present invention;

[0028] Figure 3 This is a perspective view showing the main parts of the internal structure and lever mechanism of a vehicle seat with a leg rest having a cushion function according to an exemplary embodiment of the present invention.

[0029] Figure 4 This is a side view showing the vehicle seat back frame and leg rest of the vehicle seat according to an exemplary embodiment of the present invention tilting simultaneously;

[0030] Figure 5 This is a perspective view showing the state in which the front seat back and leg rest of a vehicle seat according to an exemplary embodiment of the present invention are simultaneously tilted.

[0031] Figure 6 This is a side view showing the operational state in which only the leg rest of the vehicle seat is extended rearward, according to an exemplary embodiment of the present invention;

[0032] Figure 7 This is a perspective view showing the rearward extension of the leg rest with seat cushion function of a vehicle seat according to an exemplary embodiment of the present invention;

[0033] Figure 8 This is a perspective view showing a vehicle seat according to an exemplary embodiment of the present invention with the front seat back tilted forward, while the entire seat moves forward and is adjusted so that the passenger can sit on the leg rest with a cushion function.

[0034] It should be understood that the accompanying drawings are not necessarily drawn to scale, but are merely slightly simplified illustrations of various preferred features of the basic principles of the invention. Specific design features of the invention as disclosed herein include, for example, specific dimensions, orientations, positions, and shapes, which will be determined in part by the specific intended application and environment of use.

[0035] In the accompanying drawings, several figures run through the entire drawings, and the same reference numerals refer to the same or equivalent parts of the invention. Detailed Implementation

[0036] Preferred exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0037] It should be noted that the term "front seat back" in the present invention refers to the seat back of the first row of seats if the seats are arranged in two rows inside the vehicle; and to the seat back of the first or second row of seats if the seats are arranged in three rows inside the vehicle.

[0038] Figure 1 This is a perspective view showing the appearance of a vehicle seat with a leg rest having a cushion function according to an exemplary embodiment of the present invention. Figure 2 This is a side view illustrating the internal structure and lever mechanism of a vehicle seat with a leg rest featuring a seat cushion function according to an exemplary embodiment of the present invention. Figure 3 This is a perspective view showing the main parts of the internal structure and lever mechanism of a vehicle seat with a leg rest having a seat cushion function according to an exemplary embodiment of the present invention, wherein reference numeral 10 in each figure refers to the support frame.

[0039] The support frame 10 includes: a plate 11 configured to support the load of the entire seat; and legs 12 having a predetermined height, which extend downward from the four corners of the plate 11 and are mounted on the floor.

[0040] Preferably, the expected installation height of the seat can be determined by applying different vertical lengths (heights) to the legs of the supporting frame 10.

[0041] The seat frame 20 is mounted on the support frame 10 so that it can move forward or backward.

[0042] Therefore, such as Figure 2 As shown, a fixed guide rail 13 is mounted above the support frame 10, and a movable guide rail 23, which is fastened to the fixed guide rail 13 so that it can move forward or backward, is mounted below the seat cushion frame 20.

[0043] The seat back frame 30 is connected to the side of the seat cushion frame 20 so that it can recline forward or backward.

[0044] Therefore, such as Figure 2 As shown, the recliner frame 40, in which the recliner 41 is embedded, is fixed and installed at the rear ends of both sides of the seat cushion frame 20, and the lower ends of both sides of the seat back frame 30 are connected to the recliner 41 so that it can tilt.

[0045] Therefore, as described above, when the adjuster 41 is unlocked, the seat back frame 30 can tilt forward or backward.

[0046] At the same time, such as Figure 1 As shown, a front seat cushion 100 configured to provide cushioning when the passenger's lower body is seated is mounted on a seat cushion frame 20, and a front seat back 110 configured to provide cushioning to the passenger's back and waist is mounted on a seat back frame 30.

[0047] Figure 2The leg support frame 50 shown is integrally connected to the rear of the seat adjuster frame 40, which is located on the lower part of both sides of the seat back frame 30 and is also installed at the rear end of both sides of the seat cushion frame 20.

[0048] In addition, the leg support 60 is fastened to the leg support bracket 50 to extend backward.

[0049] At this time, since the leg support locking device 51, which is configured to lock the leg support 60 immovably, is embedded in the leg support bracket 50, the leg support locking device 51 can be configured in various structures as described above, such as lever interconnection locking pins that restrict the rotation axis of the leg support 60.

[0050] In addition, such as Figure 1 As shown, a leg rest 120 with a seat cushion function is mounted on a leg rest bracket 60. The leg rest 120 is configured to provide a seat cushion support feel for the passenger's calves and feet.

[0051] Therefore, when not in use, the leg rest 120 with seat cushion function is positioned in close contact with the back of the front seat back 110, while when in use, the leg rest 120 is almost perpendicular to the back of the front seat back 110.

[0052] According to the present invention, such as Figure 2 As shown, the lever device 200, which is configured to simultaneously perform the unlocking operation of the angle adjuster 41 and the unlocking operation of the leg support locking device 51, or only perform the unlocking operation of the leg support locking device 51, is interlocked to the angle adjuster 41 installed below the angle adjuster frame 40 and the leg support locking device 51 installed on the leg support support frame 50.

[0053] For this purpose, the lever device 200 is configured to include: an adjuster lever 210 configured to unlock the adjuster 41; a leg rest unlocking first lever 220 and a leg rest unlocking second lever 230 configured to unlock the leg rest locking device 51; and a connecting lever 240 connected between the adjuster lever 210 and the leg rest unlocking first lever 220, so that when the adjuster lever 210 moves in the unlocking direction, the leg rest unlocking first lever 220 moves together in the unlocking direction.

[0054] The angle adjuster lever 210 has the following structure: its front end is arranged as a free end that can be operated by the user, and its rear end is rotatably connected to the shaft of the angle adjuster 41.

[0055] At this time, the spring 212 is configured to provide an elastic restoring force after the adjuster lever 210 is pulled to return the adjuster lever 210 to its initial position, and it is connected between the rear of the adjuster lever 210 and the leg support frame 50.

[0056] Therefore, when the user grasps and pulls the front end of the angle adjuster lever 210 upward, the rear end of the angle adjuster lever 210 rotates in the direction of unlocking the angle adjuster 41, and when the user releases the front end of the angle adjuster lever 210, the angle adjuster lever 210 rotates again in the direction of locking the angle adjuster 41 by the elastic restoring force of the spring 212.

[0057] The leg support unlocking first lever 220 has the following structure: its lower end is rotatably connected to the shaft of the leg support locking device 51, and its upper end has a guide pin 221 protruding from it.

[0058] The connecting rod 240 has the following structure: its front end is hinged to the angle adjuster rod 210, and its rear end has a guide hole 241, into which the guide pin 221 is inserted for slidable movement.

[0059] At this time, when the guide pin 221 of the leg support unlocking first lever 220 is held at the rearmost side of the guide hole 241 of the connecting lever 240, the leg support locking device 51 remains in the locked state.

[0060] Therefore, when the user grasps and pulls the front end of the angle adjuster lever 210 upwards, as... Figure 4 As shown, the rear end of the angle adjuster lever 210 pulls the connecting lever 240 and rotates in front of the unlocking angle adjuster 41. It also pulls forward the guide pin 221 located on the last side of the guide hole 241 of the connecting lever 240, so that the leg support unlocking first lever 220 rotates in the direction of unlocking the leg support locking device 51.

[0061] Therefore, when both the angle adjuster 14 and the leg rest locking device 51 are unlocked, as Figure 4 As shown, the seat back frame 30 and leg rest 60 can tilt backward or forward together.

[0062] On the other hand, when the user releases the front end of the adjuster lever 210, the adjuster lever 210 rotates again in the direction of locking the adjuster 41 by the elastic restoring force of the spring 212. At the same time, the adjuster lever 210 pushes the connecting rod 240 to the initial rear position. Therefore, as the force of the connecting rod 240 pulling the guide pin 221 is released, the leg rest unlocking first lever 220 also rotates in the direction of locking the leg rest locking device 51 by the elastic restoring force of the spring (not shown), so that the guide pin 221 is once again positioned on the rear side of the guide hole 241 of the connecting rod 240.

[0063] Specifically, the first leg support unlocking lever 220 and the second leg support unlocking lever 230 are integrally formed. The second leg support unlocking lever 230 is configured to unlock the leg support locking device 51 only at a predetermined angle when the leg support is extended backward.

[0064] In addition, a leg support unfolding operation lever 122, which is connected to the second leg support unlocking lever 230 via cable 124, is mounted on the rear of the leg support 120 with a seat cushion function so that it can be tilted.

[0065] Therefore, when the user tilts the leg support extension lever 122, as Figure 6 As shown, the second lever 230 for unlocking the leg support rotates in the direction of unlocking the leg support locking device 51, while simultaneously pulling the cable 124, causing the leg support frame 60 to unfold backward and be arranged horizontally, thereby unlocking the leg support locking device 51.

[0066] At this time, the guide pin 221 of the leg support unlocking first lever 220 moves forward from the guide hole 241 of the connecting lever 240.

[0067] Meanwhile, the front and rear of the front seat backrest 110 have symmetrical shapes, so that each of the front and rear of the front seat backrest 110 can have a surface profile that allows the passenger's upper body to lean against. In this way, not only can the passenger sitting on the front seat cushion 100 comfortably lean their upper body against the front of the front seat backrest 110, but the passenger sitting on the leg rest 120 with seat cushion function can also lean their upper body against the rear of the front seat backrest 110.

[0068] In addition, a protective cover 130, configured to cover the seat cushion frame 20 and its adjacent portions to be invisible from the outside, is installed on the peripheral portion of the front seat cushion 100.

[0069] Specifically, the armrest 132 has a shape and height that allows passengers to place their arms, and it can be integrally formed on the rear of both sides of the protective cover 130, thereby providing the convenience of comfortably placing arms when passengers are seated.

[0070] Here, an example of operating a seat with the above configuration is described in more detail.

[0071] Figure 4 This is a side view showing the vehicle seat backrest frame and leg rest of the vehicle seat according to an exemplary embodiment of the present invention in a state where they are simultaneously tilted. Figure 5 This is a perspective view showing the state in which the front seat back and leg rest of a vehicle seat according to an exemplary embodiment of the present invention are tilted simultaneously.

[0072] like Figure 4 As shown, when the user grasps and pulls the front end of the angle adjuster lever 210 upward, the rear end of the angle adjuster lever 210 rotates in the direction of unlocking the angle adjuster 41.

[0073] At the same time, the angle adjuster rod 210 pulls the connecting rod 240, and the guide pin 221, which is located on the last side of the guide hole 241 of the connecting rod 240, is pulled forward, causing the leg support unlocking first rod 220 to rotate in the direction of unlocking the leg support locking device 51.

[0074] Therefore, when both the angle adjuster 41 and the leg rest locking device 51 are unlocked, as Figure 4 As shown, when the user grasps and pulls the front end of the angle adjuster lever 210 upward, the rear end of the angle adjuster lever 210 rotates in the direction of unlocking the angle adjuster 41. When the user releases the front end of the angle adjuster lever 210, the angle adjuster lever 210 rotates again in the direction of locking the angle adjuster 41 by the elastic restoring force of the spring 212.

[0075] The leg support unlocking first lever 220 has the following structure: its lower end is rotatably connected to the shaft of the leg support locking device 51, and its upper end has a guide pin 221 protruding from it.

[0076] The connecting rod 240 has the following structure: its front end is hinged to the angle adjuster rod 210, and its rear end has a guide hole 241. The guide pin 221 is inserted into the guide hole 241 to move slidably.

[0077] At this time, when the guide pin 221 of the leg support unlocking first lever 220 is held at the rearmost side of the guide hole 241 of the connecting lever 240, the leg support locking device 51 remains in the locked state.

[0078] Therefore, when the user grasps and pulls the front end of the angle adjuster lever 210 upwards, as... Figure 4 As shown, the rear end of the angle adjuster lever 210 pulls the connecting lever 240, while simultaneously rotating in front of the unlocking angle adjuster 41, and also pulls forward the guide pin 221 located on the last side of the guide hole 241 of the connecting lever 240, so that the leg support unlocking first lever 220 rotates in the direction of unlocking the leg support locking device 51.

[0079] Therefore, when both the angle adjuster 41 and the leg rest locking device 51 are unlocked, as Figure 4 As shown, the seat back frame 30 and leg rest 60 can tilt backward or forward together.

[0080] Furthermore, when the seat back frame 30 and leg rest 60 tilt backward together, such as Figure 5 As shown, in the appearance of the seat, the front seat back 110, in which the seat back frame 30 is embedded, and the leg rest 120, in which the leg rest 60 is embedded, tilt backward together.

[0081] Therefore, passengers sitting on the front seat cushion 100 can adopt a comfortable posture while leaning their upper body against the reclining front seat back 110.

[0082] Figure 6 This is a side view showing the operational state of only the leg rest of the vehicle seat extended rearward, according to an exemplary embodiment of the present invention. Figure 7This is a perspective view showing the rearward extension of the leg rest 120 with a seat cushion function of a vehicle seat according to an exemplary embodiment of the present invention.

[0083] like Figure 6 As shown, when the user (a passenger sitting in the rear seat) operates the leg rest unfolding lever 122 to tilt and use the leg rest 120, the leg rest unlocking second lever 230 rotates in the direction of unlocking the leg rest locking device 51, while pulling the cable 124, causing the leg rest bracket 60 to unfold backward and be arranged horizontally, and at the same time unlocking the leg rest locking device 51.

[0084] At this time, only the guide pin 221 of the leg support unlocking first lever 220 moves forward from the guide hole 241 of the connecting lever 240, while the connecting lever 240 and the angle adjuster lever 210 do not move.

[0085] Furthermore, when the leg supports 60 tilt backward together, such as Figure 7 As shown, in the appearance of the seat, the leg rest 120 of the embedded leg rest 60 extends backward and is arranged horizontally.

[0086] Therefore, passengers sitting in the rear seats can stretch their legs to place and support their calves and feet on the leg rest 120, thus adopting a comfortable resting posture while distributing body pressure as much as possible.

[0087] Figure 8 It is a perspective view showing the front seat backrest tilted forward while the entire seat moves forward and is adjusted so that the passenger can sit on the leg rest with cushion function of the vehicle seat according to an exemplary embodiment of the present invention.

[0088] With the leg rest 120 extended horizontally backward, the leg rest 120 can be used as a seat cushion.

[0089] Therefore, in order to ensure the seating space of the 120 with leg rest featuring seat cushion function, such as Figure 8 As shown, the user moves forward and adjusts the entire seat, and tilts the front seat back 110 forward.

[0090] Because the movable guide rail 23 installed under the seat cushion frame 20 can move along the fixed guide rail 13 installed on the support frame 10, the entire seat can be easily moved forward and adjusted.

[0091] Furthermore, when the user grasps and pulls the adjuster lever 210 upwards, the adjuster lever 210 can rotate in the forward direction of the unlocked adjuster 41, thereby easily tilting the front seat back 110 forward.

[0092] At this time, as Figure 6As shown, since the guide pin 221 is in the foremost position of the guide hole 241 of the connecting rod 240, the angle adjuster rod 210 and the connecting rod 240 will not interfere with the leg support unlocking first rod 220, etc., and can be easily rotated forward.

[0093] Therefore, users can sit on the leg rest 120 with a seat cushion function while facing the passenger sitting in the rear seat, and lean their upper body against the forward-leaning front seat back 110, thus achieving a seating posture that allows them to have a conversation with the passenger sitting in the rear seat, and providing a comfortable riding space for infants who need adult protection.

Claims

1. A vehicle seat with a leg rest featuring a seat cushion function, comprising: A supporting frame, having a predetermined height, is installed on the floor; The front seat cushion has a seat cushion frame mounted on the support frame so as to be able to move forward or backward; The front seat back has a seat back frame connected to the seat cushion frame so that it can tilt; The leg support frame is connected to the angle adjuster frame located below the seat back frame; Leg supports, fastened to the leg support brackets, so that they can be extended rearward; as well as A leg rest with a seat cushion function is mounted on the leg rest bracket and installed at the rear of the front seat back so that it can be unfolded. The leg rest has a seat cushion mounted on the leg rest frame, the vehicle seat is configured to move forward, and the front seat back is configured to tilt forward, thereby ensuring seating space for the leg rest.

2. The vehicle seat with a leg rest having a cushion function according to claim 1 further includes a lever device interlockably connected to an adjuster mounted on the adjuster frame and a leg rest locking device mounted on the leg rest support frame.

3. The vehicle seat with a leg rest featuring a seat cushion function as described in claim 2, wherein The lever device includes: An angle adjuster lever, the front end of which is arranged as a free end that can be operated by the user, and the rear end of which is rotatably connected to the angle adjuster; The leg rest unlocking lever has its lower end rotatably connected to the leg rest locking device, while its upper end is provided with a guide pin; and A connecting rod, the front end of which is hinged to the angle adjuster rod, and the rear end of which has a guide hole into which the guide pin is inserted for slidable movement.

4. The vehicle seat with a leg rest featuring a seat cushion function as described in claim 3. wherein A spring is connected between the rear of the adjuster lever and the leg support frame. The spring is configured to provide an elastic restoring force after the adjuster lever is pulled, so that the adjuster lever returns to its initial position.

5. The vehicle seat with a leg rest featuring a seat cushion function as described in claim 3. wherein The first and second leg support unlocking levers are integrally formed at a predetermined angle so that only the leg support locking device is unlocked when the leg support is extended backward.

6. The vehicle seat with a leg rest featuring a seat cushion function as described in claim 5. wherein A leg support unfolding operating lever, connected by a cable to the second unlocking lever of the leg support, is mounted at the rear of the leg support to allow it to tilt.

7. The vehicle seat with a leg rest featuring a seat cushion function as described in claim 1, wherein, The front and rear portions of the front seat backrests have symmetrical shapes, such that each of the front and rear portions of the front seat backrests has a surface profile that allows the passenger's upper body to lean against.

8. The vehicle seat with a leg rest featuring a seat cushion function as described in claim 1, wherein, A fixed guide rail is mounted on the support frame, and a movable guide rail, fastened to the fixed guide rail so as to allow forward or backward movement, is mounted below the seat cushion frame.

9. The vehicle seat with a leg rest featuring a seat cushion function as described in claim 1. wherein, A protective cover that covers the seat cushion frame is installed on the periphery of the front seat cushion.

10. The vehicle seat with a leg rest having a cushion function as described in claim 9, in, The handrails, shaped like passenger armrests, are integrally formed on the rear of both sides of the protective cover.

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