JP2000201772A - Electric ottoman device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve safety of a seat by composing the ottoman device equipped on the front end side of a seat cushion by a simple mechanism and covering a space generated at the foot rest position. SOLUTION: An ottoman device 4 constituted of a forward developable ottoman main body 10 and an auxiliary unit 11 forward/rearward movably equipped thereon is housed in almost vertical condition in a housing recess part 2a formed on the front end part of a seat cushion 2. The ottoman main body 10 is held so that the inclination angle is made in an almost horizontal condition being moved forward by a first link mechanism 9 and a second link mechanism 26 is equipped in between a nut 23 to be screwed with a screw shaft 22 and the auxiliary unit 11. The first link mechanism 9 has a front and rear pair of rotary links 9A and 9B on which covers 15A and 15B are equipped for completely covering a space generated in between rotary links 9A in a condition the ottoman main body 10 is on the foot rest.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric ottoman device in which an ottoman is provided at the front of a seat cushion so as to be deployable forward, and the ottoman is moved between a footrest position and a storage position by an electric drive mechanism. .

[0002]

2. Description of the Related Art As a conventional electric ottoman device, there is one described in, for example, Japanese Patent Application Laid-Open No. 9-206157. In this conventional example, a movable mechanism of a slider disposed to extend in the front-rear direction is moved back and forth by an electric drive mechanism to operate a link mechanism composed of six link arms formed in a flat plate shape. There is described an apparatus for changing the posture of a footrest of a chair in which the posture of the footrest can be changed between a storage posture and a footrest posture.

[0003]

However, in the conventional posture changing device, the posture of the footrest, that is, the ottoman, can be changed between the storage posture and the footrest posture by the electric drive mechanism. Since the link mechanism connecting the footrest and the slider is configured by combining six flat link arms, there is a disadvantage that the configuration is complicated.

In order to solve the above-mentioned drawbacks, the present applicant has previously provided a parallel link mechanism for supporting the ottoman main body from the storage position to the footrest position so as to be deployable, and connecting the ottoman main body to a linear movement mechanism. Has proposed an electric ottoman device that can be deployed and driven.

According to this electric ottoman device, the electric ottoman device can be configured with a simple configuration. However, since the ottoman main body is supported by the parallel link mechanism, the ottoman main body is deployed at the footrest position. There is a new unsolved problem that a space is formed between a pair of front and rear links constituting the parallel link mechanism in such a state, and there is a possibility that a hand or a finger may be caught in these spaces.

SUMMARY OF THE INVENTION An object of the present invention is to pay attention to the unsolved problem of the conventional example. By covering a space between the links with a cover, it is possible to reliably prevent a hand or finger from being pinched. An electric ottoman device is provided.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and an electric ottoman device according to a first aspect of the present invention has an ottoman expandably connected to a front portion of a seat cushion. The ottoman is deployed from the storage position stored in the storage recess formed in the front part of the seat cushion to the foot mounting position in the electric ottoman device in which the ottoman is deployed between the foot rest position and the storage position by the electric drive mechanism. The ottoman itself,
A linear moving mechanism having a movable member that moves in the vehicle front-rear direction by an electric motor, and a linear moving mechanism that includes a slider that is provided to be able to move forward and backward with respect to the ottoman main body, and expands the ottoman main body from a storage position to a footrest position. A second link mechanism connected to a moving element of the linear moving mechanism to expand the ottoman main body from the storage position to the foot rest position side, and to project the slide body forward from the ottoman main body. A link mechanism, wherein the first link mechanism is rotatably supported at one end by a pair of left and right support brackets fixed to the seat cushion side at predetermined intervals, and the other end is fixed to the ottoman main body. A pair of front and rear links rotatably supported at an interval, and a cover attached to the front and rear links to cover a space between the links when the ottoman body is deployed. Characterized in that it comprises a cover.

In the electric ottoman device according to the first aspect, a sliding body is slidably provided on the ottoman main body, and when the sliding body contracts toward the ottoman main body at the storage position, the ottoman main body is moved toward the front end side of the seat cushion. It can be securely stored in the storage recess provided, and it is possible to secure a wide foot space for the occupant. From this state, the ottoman main body is expanded to the footrest position by the link member, so that the sliding body becomes the ottoman main body. It projects more forward,
The front space can be enlarged by the size of the storage recess, and a wide footrest width can be secured.

In addition, a cover is provided on each of a pair of front and rear links constituting the first link mechanism, and a space created between the pair of front and rear links in a state where the ottoman body is expanded to a footrest position by these covers. It is possible to reliably prevent the insertion of a hand or finger into the space.

According to a second aspect of the present invention, in the electric ottoman apparatus according to the first aspect, the pair of front and rear covers are disposed so as to be shifted by a predetermined gap in the left-right direction when viewed from a plane. An overlap portion is formed when viewed from the horizontal direction at the time of deployment.

According to the second aspect of the present invention, since the covers provided on the pair of front and rear links are respectively displaced in the left-right direction when viewed from the plane, the ottoman body is returned from the foot rest position to the storage position. When this is done, the two covers are in an overlapping state, so that there is no hindrance when the ottoman body returns, and since the ottoman has an overlap portion when deployed, insertion of hands and fingers can be reliably prevented.

Further, in the electric ottoman device according to claim 3, in the invention according to claim 1 or 2, the pair of covers is a flat plate portion that covers the space located outside the pair of front and rear links. And a hook-like mounting portion formed on the pair of front and rear links of the flat plate portion and mounted inside the pair of front and rear links.

According to the third aspect of the present invention, by attaching the hook-shaped mounting portion to the link, the flat plate portion is disposed in parallel with the link member, and the distance between the flat plate portion and the hook-shaped mounting portion is adjusted. Thus, the flat portions of the pair of covers are prevented from being flush with each other, so that they can be prevented from interfering with each other.

Further, in the electric ottoman device according to claim 4, in the invention according to claim 3, the flat plate portion includes:
It is characterized in that a gap adjusting rib and an engagement projection that engages in an engagement hole formed in a pair of front and rear links are provided at a position facing the hook-shaped mounting portion.

In the present invention according to the fourth aspect, the cover is provided with the gap adjusting rib in contact with the link on the flat plate portion and the engaging projection is engaged in the engaging hole formed in the link. Interference can be avoided and the link can be easily mounted.

[0016]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a schematic perspective view showing a first embodiment of the present invention, and FIG. 2 is a side view of FIG.
Is a passenger seat of the vehicle, and a seat cushion 2
The seat back 3 can be tilted to the rear end side by, for example, a reclining mechanism (not shown), and can be rotated between a storage position stored in a storage recess 2 a formed in a front end portion of the seat cushion 2 and a foot rest position. And an ottoman 4 arranged in the.

Although the seat cushion 2 is not described in detail, a cushion frame 5 disposed inside the seat cushion 2 is a pair of left and right seat slides 6 disposed on the floor of the vehicle body and extending in the front-rear direction. The height is freely adjustable.

As shown in FIG. 3, the ottoman 4 has a first support arm 8 which is fixed to the left and right ends of the front end side of the cushion frame 5 so as to project forward and downward, respectively, and which is inclined by about 30 ° with respect to a horizontal plane. The ottoman body 10 is supported by the ottoman body 10 so as to be freely deployable via the link mechanism 9, and an auxiliary unit 11 as a sliding body is provided on the ottoman body 10 so as to be movable forward and backward.

The first link mechanism 9 has a distal end which is inwardly substantially perpendicular to the support arm 8 which is rotatably supported by the left and right support arms 8 at predetermined intervals. And a pair of rotating links 9A and 9B having different lengths formed in a V-shape by being bent into a rectangular shape.
And 9B are rotatably connected to a support arm 13 attached to the left and right rear ends of a U-shaped support frame 12 having an open front end disposed in the ottoman body 10.

Here, as shown in FIG. 4, the connection relationship between the rotating links 9A and 9B is such that the ottoman body 10 is stored in the storing recess 2a of the seat cushion 2 and the rotating links 9A and 9B are connected. Is close to, for example, about 70 ° with respect to a horizontal plane, and a straight line connecting the connecting points to the support arm 13 becomes an acute angle almost nearly parallel to a straight line connecting the connecting points to the support arm 8, and The distance between the connecting points of the arms 8 is
The distance between the connection points is selected to be short, whereby the ottoman body 10 is maintained in a state of being inclined by about 70 ° with respect to the horizontal line.

As shown in FIG. 6, the turning link 9A is provided with a bent portion 8 formed on the distal end side of the support arm 8.
The caulking pin 8c is attached to the mounting portion 8b protruding outward by a.
The pivot link 9B is also rotatably supported by the
0, the mounting portion 8b formed on the support arm 8
Embossed portion 8d protruding outward so as to be flush with
A swivel pin 8e pivotally supports the pivotal link 8e, and a gap is formed between the pivotal links 9A and 9B and the support arm 8.

When the ottoman body 10 is unfolded forward from the storage position, the two arms are gradually separated by clockwise rotation of the rotating arms 9A and 9B, so that the ottoman body 10 is gradually tilted. Is gradually reduced to a state close to a horizontal state, and the rotating links 9A and 9
The ottoman body 10 and the support arm 8 are substantially parallel to each other with the bases of B being substantially perpendicular to the support arm 8.

FIG. 4 shows the rotating arms 9A and 9B.
As shown in FIG. 5, when the ottoman body 10 is unfolded forward from the storage position to be in the foot rest position, a flexible synthetic resin material covering a space created between the two rotating arms 9A and 9B. A pair of covers 15A and 1 formed of
5B is mounted.

As shown in FIGS. 7 and 8, the cover 15A has a flat plate portion 15a for covering the space, and an end plate perpendicular to the flat plate portion 15a formed on the front end side of the flat plate portion 15a. A hook-shaped mounting portion 15d comprising a flat plate portion 15a formed at an end of the end plate portion 15b and a short plate portion 15c extending in parallel with the end plate portion 15b, and the short plate portion 15c of the flat plate portion 15a. A pair of engaging projections 15e are formed on a surface opposing the pair at predetermined intervals to engage with a pair of engaging holes 9a formed in the rotating links 9A and 9B. An interval adjusting rib 15f for determining a separation distance from the rotating plate 9A is formed at a position sandwiching the engaging projection 15e, and is further provided at an upper end side of the short plate portion 15c with an edge of the rotating link 9A on the rotating link 9B side. A mating engagement claw 15g is formed. Release window 15h is formed on the opposing flat plate portion 15a, the engaging projection likewise Tan'ita portion 15c 1
A release notch 15i is formed at a position facing 5e.

The cover 15A is connected to the flat plate portion 15a.
The rotation link 9A is inserted between the short plate portion 15 and the hook-shaped mounting portion 15d.
c while being bent, engaging the engaging projections 15e with the engaging holes 9a formed at predetermined intervals, and bringing the outer surface of the rotating link 9A into contact with the spacing adjusting rib 15f. The engaging claw 15g is connected to the rotating link 9B of the rotating link 9A.
By engaging with the side edge, it is integrally attached to the rotation link 9A.

Similarly, the cover 15B has the same shape as the cover 15A, but the heights of the engaging projections 15e and the gap adjusting ribs 15f are set low, and the end plate 1
9 and 10 by setting the width of 5b to be narrow.
As shown in the figure, the flat plate portion 15a is the flat plate portion 1 of the cover 15A.
5A and 5B in a state in which the free ends of the covers 15A and 15B are extended to the footrest position with the free ends of the covers 15A and 15B.
As shown in (1), it is selected so as to overlap by a predetermined length and completely cover the space formed between the rotating links 9A and 9B.

Further, the auxiliary unit 11 has a rear end slidably held in the left and right rod portions 12a of a U-shaped support frame 12 having an open front end disposed inside the ottoman body 10. And a connecting rod 14b made of an angle member connecting the open ends of the U-shaped pipe 14a, and has a sliding frame 14 formed in a square frame shape. The sliding frame 14 receives a calf of a seated person. The foot rest cushion 14C is mounted.

As shown in FIGS. 5, 11 and 12, the foot rest cushion 14C is formed at right angles from a flat portion 14d mounted on the U-shaped pipe 14a of the sliding frame 14 and three sides excluding the upper side thereof. It comprises a base member 14f formed by a frame-like portion 14e extending slightly, a cushion member 14g disposed on the surface side of the base member 14f, and a skin member 14h covering the cushion member 14g. .

Here, the base member 14f has an engaging portion 14i rotatably engaged with the right and left positions of the central rod portion CB of the U-shaped pipe 14a, and an engaging portion 14i on the upper surface side of the central rod portion CB. Screw hole 14j abutting on the outside of the connecting rod 1
4b, and a screw hole 14m that comes into contact with the mounting bracket 14k.
As shown in the figure, the front end position on the lower surface side of the pair of left and right rectangular through holes 14n formed on the flat plate portion 14d of the base member 14f and the inclined line inclined at, for example, 45 ° with respect to the flat plate portion 14d formed at the rear end. And contact pieces 14p and 14q which engage with point symmetrical positions on the outer peripheral surface of the central rod portion CB.

Therefore, in order to mount the base member 14f on the sliding frame 14, first, as shown in FIG. 11, a line L connecting the contact pieces 14p and 14q of the engaging portion 14i is formed at the center of the U-shaped pipe 14a. Hold in a state of being inclined so as to be orthogonal to the central plane CP passing through the central axis of the rod portion CB,
In this state, the outer peripheral surface of the central rod portion CB is brought into contact between the contact pieces 14p and 14q by being pushed toward the central rod portion CB side. In this state, the base member 14f is rotated clockwise by 135 ° with the engaging portion 14i as a fulcrum. 4 and 5, the screw hole 14m is brought into contact with the mounting bracket 14k, as shown in FIGS. 4 and 5, and in this state, the screw 14r passes through the central rod CB as shown in FIG. Screw hole 14j
And screw 14s to the mounting bracket 14
k is screwed into the screw hole 14m through the through hole formed on the sliding frame 14 so that the cushion 14C
Can be fixed.

At the time of this screwing, since the contact pieces 14p and 14q of the engaging portion 14i are engaged with the central rod portion CB of the U-shaped pipe 14a and are in a temporarily fixed state, the screwing work is performed. Can be easily performed.

On the other hand, a support bracket 16B is mounted on the lower surface of the center of the cushion frame 5 at the front side in the vehicle width direction, and the support bracket 16B has an inverted U-shaped cross section extending downward and rearward. Is disposed, and a linear moving mechanism 17 is disposed in the case body 16C.

The linear moving mechanism 17 includes a case body 16C
A gear unit 19, which is rotatably mounted on the rear end side, for reducing the rotational driving force of the electric motor 18, and has a front end rotatably supported by the front end of the case body 16C on an output rotary shaft 20 protruding from the front end. The other end of the formed double screw shaft 22 is connected. A nut 23 as a mover is attached to the double screw shaft 22.
Is screwed.

A second link mechanism 25 for moving the ottoman body 10 and the auxiliary unit 11 is connected to the nut 23. This second link mechanism 25
Has a forward extending main link 26 which is rotatably mounted in a vertical plane to the nut 23.

Here, the main link 26 is formed in a U-shape whose upper end is open when viewed in cross section.
Are formed with engagement long holes 26b extending in the longitudinal direction, respectively.
An engagement pin 23a formed on the nut 23 is engaged in the engagement long hole 26b.

The link member 26B of the main link 26
Of the rotation link 27 that is rotatably disposed on the connecting rod 14b of the sliding frame 14 of the auxiliary unit 11 and that is parallel to the sliding frame 14 when the ottoman body 10 is in the storage position. It is rotatably connected to the free end.

The support frame 1 of the ottoman main body 10 is located at a position rearward by a predetermined distance from the tip of the link member 26B.
A support bracket 28 protruding from the lower surface side of the center in FIG. 2 is rotatably connected.

Next, the operation of the above embodiment will be described.
Now, as shown in FIG. 4, a nut 23 is screwed on the base side of the double screw shaft 22, and in this state, the ottoman body 10 is inserted into the storage recess 2 a of the seat cushion 2 via the main link 26. It is assumed that the seat cushion 2 is held at a storage position substantially along the front end of the seat cushion 2 inclined about 70 ° with respect to the horizontal line.

In this state, the auxiliary unit 11 is configured such that the sliding frame 14 is connected to the support frame 12 of the ottoman body 10.
The auxiliary unit 11 and the ottoman main body 10 are brought into close contact with each other, and the footrest cushion portion 14C of the auxiliary unit 11 covers the entire upper portion of the ottoman main body 10, and the width between both becomes the shortest width. , The height of the auxiliary unit 1 becomes less than the minimum height of the seat cushion 2.
The lower end of 1 is separated from the floor surface.

As shown in FIG. 9, the covers 15A and 15B attached to the rotating links 9A and 9B are provided with flat plate portions 15a of the cover 15B on the upper end side where the ribs 15f for adjusting the spacing of the cover 15A are not formed. Are inserted, and they overlap without interfering with each other.

In this stored state, for example, by driving the electric motor 18 forward, for example, the output rotation shaft 20 of the gear unit 19 is rotated clockwise, for example, so that the double screw shaft 22 is rotated.
Is rotated clockwise, the nut 23 is moved forward accordingly.

As a result, the rotating links 9A and 9B are rotated clockwise, whereby the supporting arm 1 is rotated.
The inclination angle of the straight line connecting the connecting points of the rotating links 9A and 9B in 3 gradually goes to the horizontal direction, and accordingly, the ottoman body 10 also gradually goes to the horizontal state while being pushed forward.

When the inclination angle of the ottoman body 10 gradually goes in the horizontal direction, the angle between the main link 26 and the support bracket 28 of the ottoman body 10 gradually increases, and The auxiliary unit 11 is gradually slid forward and the ottoman body 1
The overall width of the ottoman 4 including the zeros and the auxiliary unit 11 is increased.

As shown in FIG. 5, when the nut 23 advances to the front end side of the double screw shaft 22, the advanced position is detected by a position sensor such as a limit switch (not shown). Is stopped, the rotation of the double screw shaft 22 by the gear unit 19 is stopped, the forward deployment of the ottoman 4 is stopped, and the ottoman 4 is stopped at a predetermined footrest position.

At this time, as shown in FIG. 5, the auxiliary unit 11 protrudes largely forward with respect to the ottoman main body 10, and the calf of the occupant can be supported by the foot rest cushion portion 14C, so that the occupant can relax. You can take a posture.

At this foot rest position, the rotating links 9A and 9B are in a substantially parallel state to create a space between them, and this space is formed by the cover 15A attached to the rotating links 9A and 9B. And 15B, so that the insertion of a hand or finger into the space between the rotating links 9A and 9B can be reliably prevented.

To return from the foot rest position to the stowed position, the electric motor 18 is driven to rotate in the reverse direction and the gear unit 1 is driven.
9 by rotating the output rotation shaft 20 in the counterclockwise direction, the nut 23 retreats, and the main link 26 connected to the nut 23 retreats, whereby the ottoman body 10 is moved from the foot rest position in FIG. While moving backward while the inclination angle gradually increases, the sliding frame 14 of the auxiliary unit 11
2 is gradually inserted into the auxiliary unit 11.
Moves to the ottoman body 10 side.

Thereafter, when the nut 23 reaches the storage position shown in FIG. 4, this is detected by a position detection sensor (not shown), the energization of the electric motor 18 is stopped, and its rotation is stopped. When the rotation of the output rotation shaft 20 of the unit 19 is stopped, the rotation of the double screw shaft 22 is also stopped, the retraction of the nut 23 is stopped, and the ottoman 4 is moved while the auxiliary unit 11 is in contact with the ottoman body 10. The seat is stopped at the storage position stored in the storage recess 2a of the seat cushion 2.

As described above, according to the above-described embodiment, by rotating the double screw shaft 22 to move the nut 23 forward and backward, the forward movement of the ottoman body 10 and the forward sliding of the auxiliary unit 11 can be achieved. Can be performed, and the rotation of the ottoman 4 and the width expansion can be performed simultaneously with a simple link mechanism.

Further, since the ottoman 4 is stored in the storage recess 2a formed in the seat cushion 2 at the storage position, it is possible to prevent the free space at the foot of the occupant from becoming narrow.

Further, since the ottoman body 10 is supported by the first link mechanism 9 having the pair of rotating links 9A and 9B, the ottoman body 10 is pushed forward when the ottoman body 10 is unfolded forward from the storage position. Since the tilt angle is gradually reduced while the ottoman body 10 is rotatably supported at one point, the amount of forward projection can be increased.

Further, covers 15A and 15B are attached to the pivot links 9A and 9B, respectively, so that when the ottoman body 10 is deployed to the front foot rest position,
By completely covering the space formed between the rotation links 9A and 9B, insertion of a hand or finger can be reliably prevented.

When the covers 15A and 15B are attached to the rotating links 9A and 9B, the covers 15A and 15B rotate while bending the short plate portion 15c and the engaging claw 15g between the engagement protrusion 15e and the short plate portion 15c. This can be easily performed only by inserting the links 9A and 9B, and the covers 15A and 15
The distance between the flat plate portion 15a of B and the rotation links 9A and 9B can be easily adjusted by adjusting the height of the distance adjusting rib 15f, and interference between the covers 15A and 15B can be avoided.

In order to inspect and maintain the ottoman 4, when removing the covers 15A and 15B, a driver or the like is inserted through the release window 15h to disengage the engaging claws 15g from the end faces of the rotating links 9A and 9B. Flat part 1
The cover 15A and 15B are detached from the rotation links 9A and 9B by disengaging the engagement state between the engagement protrusion 15e and the engagement hole 9a by bending the 5a outward from the rotation links 9A and 9B. Can be.

In the above embodiment, the case where the covers 15A and 15B are detachably attached to the rotating links 9A and 9B has been described. However, the present invention is not limited to this. Adhesion or welding may be performed so as to keep a predetermined interval so as not to interfere.

Further, in the above-described embodiment, the case where the rotating links 9A and 9B are formed in a V-shape has been described. However, the present invention is not limited to this. Can be formed.

Furthermore, in the above-described embodiment, the case where the footrest cushion 14C is formed on the auxiliary unit 11 has been described. However, the present invention is not limited to this, and both the ottoman body 10 and the auxiliary unit 11 may be used. The cushion 14C may be mounted on the foot.

Further, in the above embodiment, the case where the double screw shaft 22 is applied as the linear moving mechanism has been described, but the present invention is not limited to this, and a single screw shaft or a triple screw shaft is applied. It is also possible to apply a ball screw instead of the screw shaft.

[0059]

As described above, according to the electric ottoman device according to the first aspect, the sliding body is slidably provided on the ottoman main body, and this sliding body contracts toward the ottoman main body at the storage position. Thereby, the seat cushion can be securely stored in the storage recess provided on the front end side of the seat cushion, and it is possible to secure a wide foot space for the occupant. In this state, the ottoman body is deployed to the footrest position by the link member. As a result, the sliding body protrudes forward from the ottoman main body, but the front space can be enlarged by the size of the storage recess, a wide footrest width can be secured, and the first link mechanism is configured. A cover is provided on each of a pair of front and rear links, and a space formed between the pair of front and rear links in a state where the ottoman body is deployed at the footrest position by these covers. The cover, the insertion of the hand or fingers into the space portion can be reliably prevented, in which it is possible to improve safety.

According to the electric ottoman device according to the second aspect, the covers provided on the pair of front and rear links are respectively displaced in the left-right direction as viewed from the plane, so that the ottoman main body can be moved from the footrest position. When the ottoman body is returned to the stowed position, both covers are in an overlapped state, so that there is no obstacle when the ottoman body is returned, and since the ottoman has an overlap portion when deployed, the insertion of hands and fingers is reliably prevented. Is what you can do.

Further, according to the electric ottoman device according to the third aspect, by attaching the hook-shaped attachment portion to the link,
A flat plate portion is disposed in parallel with the link member, and by adjusting the distance between the flat plate portion and the hook-shaped mounting portion, the flat plate portions are not coplanar with the pair of covers, so that the two can interfere with each other. Can be prevented.

Furthermore, according to the electric ottoman device of the fourth aspect, the interval adjusting rib is brought into contact with the link on the flat plate portion, and the engaging projection is engaged with the engaging hole formed in the link. Accordingly, the cover can be easily attached to the link while avoiding interference between the covers.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a schematic configuration of an embodiment of an electric ottoman device according to the present invention.

FIG. 2 is a right side view of FIG.

FIG. 3 is a perspective view showing a frame configuration of FIG. 1;

FIG. 4 is a cross-sectional view of the electric ottoman device according to the present invention in a state where the ottoman is in a storage position.

FIG. 5 is a cross-sectional view of the electric ottoman device according to the present invention in a state where the ottoman is at a footrest position.

FIG. 6 is a sectional view taken along line S1-S1 in FIG. 4;

FIG. 7 is a perspective view showing a cover in the electric ottoman device according to the present invention.

FIG. 8 is a sectional view taken along line S2-S2 in FIG. 5;

FIG. 9 is a sectional view taken along line S3-S3 in FIG. 5;

FIG. 10 is a sectional view taken along line S4-S4 in FIG. 4;

FIG. 11 is an exploded perspective view showing a part of the foot rest cushion.

FIG. 12 is an enlarged sectional view showing an engaging portion of the foot rest cushion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Seat 2 Seat cushion 3 Seat back 4 Ottoman 8 Support arm 9 1st link mechanism 9A Rotating link 9B Rotating link 10 Ottoman main body 11 Auxiliary unit (sliding body) 12 Support frame 14 Sliding frame 15A Cover 15B Cover 15a Flat plate Part 15d Hook-shaped mounting plate part 15e Engagement projection 15f Spacing adjustment rib 17 Linear movement mechanism 18 Electric motor 19 Gear unit 22 Double screw shaft 23 Nut 25 Second link mechanism 26 Main link

Claims (4)

[Claims] 1. An electric ottoman device in which an ottoman is expandably connected to a front portion of a seat cushion, and the ottoman is expanded between a footrest position and a storage position by an electric drive mechanism. An ottoman body that is deployed from a storage position stored in a storage recess formed in a front portion of the ottoman body to a footrest position, and a sliding body that is disposed to be able to advance and retreat with respect to the ottoman body, and is configured by an electric motor. A linear moving mechanism having a moving member that moves in the vehicle front-rear direction, a first link mechanism that expands the ottoman body from a storage position to a foot-loading position, and the ottoman body connected to the moving member of the linear moving mechanism. A second phosphorus that is deployed from the storage position to the footrest position side and that projects the slide body forward from the ottoman body. The first link mechanism is rotatably supported at one end by a pair of left and right support brackets fixed to the seat cushion side at predetermined intervals, and the other end is fixed to the ottoman main body. A pair of front and rear links rotatably supported at intervals and a pair of covers attached to the pair of front and rear links and covering a space between the links when the ottoman body is deployed. Characterized electric ottoman device. 2. The method according to claim 1, wherein the pair of front and rear covers are displaced from each other by a predetermined gap in the left-right direction when viewed from a plane, and have an overlap portion when viewed from a horizontal direction when the ottoman body is deployed. The electric ottoman device according to claim 1. 3. The pair of covers includes a flat plate portion that covers the space portion located outside the pair of front and rear links, and a pair of front and rear links formed on the pair of front and rear links of the flat plate portion. The electric ottoman device according to claim 1 or 2, further comprising a hook-shaped attachment portion attached to the inside. 4. The flat plate portion is provided with a spacing adjusting rib and an engaging projection that engages in an engaging hole formed in a pair of front and rear links at a position facing the hook-shaped mounting portion. The electric ottoman device according to claim 3.