JP2004024886A - Chair having double footrest - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a chair with a double footrest, wherein a footrest and a second footrest are arbitrarily projected to adjust the projection length properly to fit users' different leg length. <P>SOLUTION: This chair includes: a seat 1 for the user to sit on; a footrest 4 arranged in the front part of the seat 1 so as to be rotatable and retractable; a backrest 2 arranged in the rear part of the seat so as to be freely erectable; and a second footrest 5 projectable and retractable from a floor surface in the front and lower part of the seat 1 toward the front part at a fixed interval from the seat 1 in a state where the foot placement surface is normally directed upward. A link mechanism 6 is optionally arranged between the backrest 2 and the second footrest 5. The second footrest 5 and the footrest 4 are retracted in interlocking with the erection of the backrest, so that each of the users having different leg lengths can sit on the chair in a most relaxed state. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chair having a footrest that can move forward and backward at a front of a seat. The present invention relates to a chair provided with a double footrest having a second footrest that can appear and disappear between surfaces.
[0002]
[Prior art]
The conventional chair has a seat portion and a backrest portion, and is provided with an armrest portion provided arbitrarily on the seat portion and the backrest portion. However, these chairs are manufactured to have a seat height of a certain standard. Is usually the case.
[0003]
In a massage chair, such a conventional chair is provided with a massage function, and communicates with a drive mechanism of a treatment element, a compressed air supply / discharge device, and the like which can perform a kneading operation and a hitting operation in a backrest portion. The inflatable bag is provided so that the drive mechanism of the treatment element and the inflatable bag can be vertically moved up and down within a predetermined range in the backrest portion. is there.
[0004]
Further, conventional chairs and massage chairs are provided with a reclining mechanism capable of manually or electrically tilting the backrest portion to a desired angle. For example, Japanese Patent Laid-Open No. When the rest (backrest) is gradually tilted backward, the ottoman (footrest) housed under the seat gradually lifts forward while rotating in conjunction with the ottoman, and the ottoman rests on the backrest in a lying state. Is formed so as to be horizontal with the height of the seat portion, and by using this reclining mechanism, the user can sit or supine in a comfortable posture.
[0005]
[Problems to be solved by the invention]
However, in the above-mentioned conventional chairs and massage chairs, the height of the seat is set so as to conform to the standard Japanese physique, and therefore, the seat is mounted so that it can come and go at the front position of the seat. The protruding width of the footrest is limited to a width within the height of the seat.
[0006]
The protruding width of this footrest is not a problem for standard Japanese people. Since the protruding amount of the mounting table is short, the portion supported by the protruding foot mounting table is a thigh or a knee, and conversely, it becomes uncomfortable to sit and cannot relax. This is even more so if the chair is a massage chair.
[0007]
The present invention has been made in view of the above-mentioned circumstances, and enables a practitioner or a user having a different foot length to sit on a chair such as a massage chair and arbitrarily protrude a footrest. In addition, if the user or the user has a large foot length, the second footrest can be protruded so as to conform to this, and the protrusion width can be adjusted arbitrarily. The aim is to provide a chair with a table.
[0008]
In addition, the present invention provides a double foot that can be used as a footrest in a retracted state, and can be used as a mounting surface of the entire foot in a protruded state, by disposing the mounting surface of the second footrest so as to always be an upper surface. The purpose is to provide a chair with a platform.
[0009]
Further, according to the present invention, the footrest having a small amount of protrusion can be arbitrarily moved in and out manually, and the second footrest having a large amount of protrusion is interlocked with the undulation of the backrest, so that the backrest can be moved. In the event of a fall, the aim is to provide a chair with a double footrest that can be relaxed as much as possible, while ensuring that the user or user always projects the footrest more than the foot length. It is assumed that.
[0010]
Furthermore, the present invention provides a chair provided with a massage means on at least one of the footrest or the second footrest, and a double footrest having a heating and massage effect on the feet of the user. It is for the purpose.
[0011]
Still another object of the present invention is to provide a chair provided with a double footrest having a massage effect that can be used in a relaxed state by using a massage machine having a massage means on a backrest portion. .
[0012]
[Means for Solving the Problems]
The chair provided with the double footrest according to the present invention is configured as follows to achieve the above object.
That is, a chair provided with a double footrest according to the present invention includes a footrest that is provided so as to be able to rotate and protrude at the front of the seat, and a backrest that is arranged to be able to rise and fall at the rear of the seat. A chair provided with a second footrest that can be protruded and retracted from the lower front floor of the seat at the front of the chair at a constant distance from the seat with the mounting surface always being the upper surface. Features.
[0013]
Further, in the chair provided with the double footrest according to the present invention, the backrest portion and the second footrest and, if necessary, a link mechanism is interposed between the footrest and the second footrest to allow the backrest to move. It is characterized in that it is configured to interlock with the ups and downs of the back portion.
[0014]
Further, the chair provided with the double footrest according to the present invention may further include a kneading mechanism, a vibration mechanism, a rolling mechanism, a pneumatic mechanism, a finger pressure mechanism, and a heating mechanism provided on at least one of the footrest and the second footrest. It is characterized in that a massage means for arbitrarily providing an appropriate mechanism such as the above is provided inside.
[0015]
Furthermore, in the chair provided with the double footrest of the present invention, the backrest portion is arbitrarily equipped with a suitable mechanism such as a kneading mechanism, a vibration mechanism, a rolling mechanism, a pneumatic mechanism, a finger pressure mechanism, and a heating mechanism. It is characterized in that it is a backrest part equipped with massage means.
[0016]
[Action]
The chair provided with the double footrest according to the present invention has the following effects by adopting the above configuration.
The chair provided with the double footrest according to the present invention has a footrest that is rotatably protruded and retractable at the front of the seat, and has a fixed distance from the seat from the floor below the front of the seat. Since the second footrest that can move forward and backward is provided, the practitioner or user with a different foot length sits on a chair such as a massage chair and arbitrarily projects the footrest and the second footrest. By doing so, the protrusion width can be appropriately adjusted according to the practitioner or user having a different foot length.
[0017]
Further, the chair provided with the double footrest according to the present invention is such that the second footrest that can be protruded and retracted from the lower front floor portion of the seat portion to the front portion with a constant distance from the seat portion with the mounting surface always being the upper surface. Since the table is provided, it can be used as a footrest in the retracted state, can be used as a mounting surface of the entire foot in the protruded state, and the second footrest can be always used.
[0018]
Further, the chair provided with the double footrest according to the present invention may further comprise a link mechanism interposed between the backrest and the second footrest and, if necessary, a second footrest or a footrest. Since the second footrest and the footrest are linked to the ups and downs of the backrest, when the backrest falls down, the second footrest with a large amount of protrusion is automatically projected. In addition, even for a user or a user who has a large foot length, the amount of protrusion is always ensured to prevent the detachment of the foot, so that the foot can be stably placed, and a state of being able to relax as much as possible can be maintained.
[0019]
Furthermore, the chair provided with the double footrest of the present invention, at least one of the footrest and the second footrest, is equipped with a massage means, the massage means, a massage mechanism, By appropriately installing a vibration mechanism, a pneumatic mechanism, a rolling mechanism, a heating mechanism, and the like, a massage effect such as massage massage, vibration massage, pneumatic massage, sliding massage, and thermal massage is imparted to the feet of the user. Can do things.
[0020]
Further, in the chair provided with the double footrest of the present invention, the backrest portion is a backrest portion appropriately equipped with massage means such as a kneading mechanism, a vibration mechanism, a pneumatic mechanism, a rolling mechanism, and a heating mechanism. Because it is available, it can be used for a chair-type massage machine that can perform any massage in a relaxed state, and has a massage massage, vibration massage, pneumatic massage, sliding massage, warm massage, etc. similar to the above actions Can also be provided.
[0021]
DESCRIPTION OF THE PREFERRED EMBODIMENTS
Hereinafter, a chair provided with a double footrest according to the present invention will be described in detail based on an embodiment shown in the accompanying drawings.
[0022]
FIGS. 1 to 4 are explanatory views showing an embodiment of a chair provided with a double footrest according to the present invention. FIGS. FIG. 7 and FIG. 8 are explanatory views showing the use state of the chair provided with the double footrest of the present invention, and FIG. 9 is a massage to the backrest part and the second footrest. It is explanatory drawing which shows one Example of the chair provided with the double footrest of this invention equipped with the means, FIG. 10 is a perspective view which shows one Example of the chair provided with double footrest of this invention. It is.
[0023]
The chair provided with the double footrest according to the present invention is provided with a seat 1 for a user to sit on, as shown in FIGS. And a backrest portion 2 disposed at the rear of the seat so as to be able to move up and down. The chair is always forward from the lower floor of the front portion of the seat 1 at a certain distance from the seat 1. A second footrest 5 is provided which is capable of appearing and retracting when the mounting surface is the upper surface.
[0024]
The seat portion 1 has a seat frame 11 formed of a frame, and the backrest portion 2 also includes a back frame 21 formed of a frame. And an elastic member such as styrene foam, and the outer periphery of the elastic member is covered with cloth or leather.
[0025]
The backrest 2 is provided with a hydraulic cylinder 61 and an actuator (not shown) constituted by an electric motor and a jack or a screw shaft. The backrest 2 is manually or electrically driven from the standing state. It can be moved to an inclined state and a lying state.
[0026]
A link mechanism 3 is interposed between the backrest 2 and the footrest 4, and the footrest 4 is seated in conjunction with a manual lever (not shown) for operating the link mechanism 3. It is configured to be able to appear and disappear at one front.
[0027]
In the embodiment, the simplest link mechanism 3 is used, and the link mechanism 3 is fixed to the front end of the footrest 4 in the form of a rod-shaped link 31 and the extreme end of the rod-shaped link 31. And a U-shaped link 32 that is pivoted to rotate.
[0028]
The U-shaped link 32 is formed in a curved shape, and the footrest 4 is pivotally attached to the other end side so that the footrest 4 swings about a pivot point 33.
[0029]
Note that a pivot bar (not shown) for rotating the U-shaped link 32 is laid at a pivot point 33 between the rod-shaped link 31 and the U-shaped link 32. At one end, the manual lever is connected, and by rotating the manual lever back and forth, a rotating rod interlocked with the manual lever rotates, and the U-shaped link 32 rotates around a pivot point 33, The footrest 4 moves forward and backward.
[0030]
In the embodiment, the second footrest 5 is configured to move in and out of the backrest unit 2 via a link mechanism 6, and the structure is the same as that of the second footrest 5. And a second footrest 5 which is protruded and retracted by a link mechanism 6 interlocked with the hydraulic cylinder 61 is attached to a rear portion of the footrest.
[0031]
A link mechanism 6 interposed between the second footrest 5 and the backrest 2 and interlocking with the ups and downs of the backrest 2 is constituted by a plurality of links. A bar-shaped link 61 hanging down to the front of the seat 1, a U-shaped link 62 pivotally attached to the extreme end, a pushing link 63 for pushing and pulling the U-shaped link 62, and the pushing link 63 And a swinging link 65 that swings by an interlocking link 64 connected to the lower end of the back frame 21 of the backrest 2 so as to interlock therewith.
[0032]
The U-shaped link 62 is formed in a curved shape. One end of the U-shaped link 62 is pivotally connected to the extreme end of a rod-shaped link 66 suspended from the front of the seat frame 11, and the other end is pivotally connected to the second footrest 5. When stopped, the second footrest 5 can swing.
[0033]
The interlocking link 64 has one end pivotally connected to a lower portion of the back frame 21 and is connected to move back and forth in conjunction with the ups and downs of the backrest portion 2. The swing link 65 faces the internal elongated hole 651 and is movably pivoted in the elongated hole 651.
[0034]
The pushing link 63 pushes and pulls the U-shaped link 62 to cause the second footrest 5 to protrude and retract at a certain interval from the seat 1. The push link 63 is pivotally connected to the extreme end and performs a push-pull operation in conjunction with the swing of the swing link 65.
[0035]
Therefore, when the backrest portion 2 moves from the upright state to the lying down state by retracting the hydraulic cylinder 61, the interlocking link 64 is also drawn leftward in the drawing by continuing to tilt the back frame 21 in the horizontal direction. In conjunction with this, the swing link 65 swings from the rightward tilting state in FIG. 2 to the leftward tilting state as shown in FIG. As a result, the push link 63 swings the U-shaped link 62 to the left, and causes the second footrest 5 to interlock and project to the front of the seat 1.
[0036]
As shown in FIG. 9, the second footrest 5 is provided with a massage unit. In the embodiment, a massage device having a vibration mechanism 51 is illustrated.
[0037]
The massaging means includes a vibration mechanism by a vibration mechanism 51, a kneading mechanism, a rolling mechanism, a pneumatic mechanism (with an inflated and inflated air bag), a finger pressure mechanism, and any other appropriate heating mechanism. By doing so, it is possible to impart an arbitrary massage effect.
[0038]
Further, in the embodiment, the one in which the massage means is provided inside the second footrest 5 is illustrated, but the footrest 4 may be provided in place of this, and the appropriate massage means may be provided in both. You may.
[0039]
Further, in the embodiment shown in FIG. 9, the backrest portion 2 is exemplified as the backrest portion 2 having a massage means therein, and in the drawing, a plurality of air bags 211 are expanded and contracted by a compressor or the like. Shown with the pneumatic mechanism 21 installed therein. In addition, this massage means may be appropriately equipped with an arbitrary mechanism such as a heating mechanism in addition to the pneumatic mechanism 21 in addition to a kneading mechanism, a vibration mechanism, a rolling mechanism, or an acupressure mechanism. It is possible to provide an appropriate massage means corresponding to the massage means, and to provide a massage effect corresponding to each massage means.
[0040]
When using the chair having the double footrest of the present invention configured as described above, the user or the user places the foot on the second footrest as shown in FIG. When the user sits down and the second footrest 5 is provided with massage means or the backrest unit 2 is provided with massage means, the practitioner activates the massage means appropriately to respond to the massage means. A proper massage effect can be obtained.
[0041]
Further, in the seated state, the footrest 4 can be arbitrarily moved in and out manually, and the selection can be arbitrarily performed.
[0042]
When the seated user or user operates the hydraulic cylinder 61 to move the backrest 2 from the upright state to the inclined state and the lying down state, the footrest 5 interlocks as shown in FIG. The user and the user's feet can be projected forward with the feet resting on the second footrest 5 to provide a relaxed supine posture. When the massage device is provided or the backrest portion 2 is provided with a massage device, the massager can appropriately operate the massage device to obtain an appropriate massage effect corresponding to the massage device in a relaxed state.
[0043]
In addition, when the backrest portion 2 falls down as shown in FIG. 8 and the footrest 4 and the second footrest 5 protrude from the state in which the backrest portion 2 returns to the normal state in which the backrest portion 2 stands, By operating the hydraulic cylinder 61 in the direction opposite to the above, it is possible to return to a state where only the footrest 4 is protruded, and further by manually retreating the footrest 4, as shown in FIG. Thus, the backrest portion 2 can be returned to the original state in which the backrest portion is raised.
[0044]
【The invention's effect】
Therefore, the chair provided with the double footrest according to claim 1 of the present invention which can be applied to a chair or a massage chair is, as described above, a footrest provided so as to be able to rotate and protrude at the front of the seat portion of the chair. A conventional footrest where the foot is exposed from the footrest because the base and the second footrest that can move forward and backward at a certain distance from the seat from the floor below the front of the seat are provided. Unlike chairs with a foot, it can be adjusted appropriately to the protrusion width of the footrest according to the practitioner or user with different foot length, and the second footrest always has a mounting surface on the top surface In the retracted state, it can be used as a footrest. In the protruded state, it can be used as a mounting surface for the entire foot, and the second footrest can be used effectively at all times.
[0045]
Further, in the chair provided with the double footrest according to the present invention, a link mechanism is interposed between the backrest portion and the second footrest to allow the second footrest or the footrest to be in the backrest portion. When the backrest part falls down, the second footrest with a large amount of protrusion is automatically protruded when the backrest part falls down, which is sufficient for the practitioner or user with a long foot. The foot can be stably placed with the protrusion amount secured, and the chair can be used in a state where it can be relaxed as much as possible.
[0046]
Furthermore, since the chair provided with the double footrest according to the present invention is configured such that at least one of the footrest and the second footrest is provided with an arbitrary massage means therein, the massage means is provided. Accordingly, massage effects such as massage massage, vibration massage, pneumatic massage, sliding massage, and thermal massage can be provided to the feet of the user.
[0047]
Further, in the chair having the double footrest of the present invention, since the backrest portion is a backrest portion provided with an appropriate massage means, the massage means can massage the back of the user in a relaxed state. Appropriate massage effects such as massage, tapping massage, pneumatic massage, vibration massage, sliding massage, and thermal massage can be provided.
[0048]
Further, according to the present invention, when the second footrest is retracted, the footrest is always formed, so that the second footrest abuts on the installation surface and breaks or gives a defect to the floor surface. Things and dangers can be avoided, and it is cheap and can increase safety.
[Brief description of the drawings]
FIG. 1 is an explanatory view showing an embodiment of a chair provided with a double footrest according to the present invention.
FIG. 2 is an explanatory view showing an embodiment of a chair provided with a double footrest according to the present invention.
FIG. 3 is an explanatory view showing an embodiment of a chair provided with a double footrest according to the present invention.
FIG. 4 is an explanatory view showing an embodiment of a chair provided with a double footrest according to the present invention.
FIG. 5 is an explanatory diagram showing an operation state of a chair provided with a double footrest according to the present invention.
FIG. 6 is an explanatory view showing an operation state of a chair provided with the double footrest according to the present invention.
FIG. 7 is an explanatory view showing a use state of a chair provided with a double footrest according to the present invention.
FIG. 8 is an explanatory view showing a use state of the chair provided with the double footrest of the present invention.
FIG. 9 is an explanatory view showing an embodiment of a chair provided with a double footrest according to the present invention, in which a backrest portion and a second footrest are provided with massage means.
FIG. 10 is a perspective view showing an embodiment of a chair having a double footrest according to the present invention.
[Explanation of symbols]
1 seat 21 pneumatic mechanism (massage means)
2 Backrest 3 Link mechanism 4 Footrest 5 Second footrest 51 Vibration mechanism (massage means)
6 Link mechanism

Claims (7)

A chair provided with a footrest arranged so as to be able to rotate and retract at a front part of a seat, and a backrest part arranged undulatingly at a rear part of the seat, wherein a massage means is provided on the footrest of the chair. And a second footrest that can appear and disappear with the mounting surface always on the front from the lower floor of the front part of the seat at a certain distance from the front of the seat across the footrest. A chair with a double footrest, characterized in that it is constructed in such a manner. A chair provided with a footrest that is pivotally movable at the front of the seat, and a backrest that is arranged undulatingly at the rear of the seat, and straddles the footrest of the chair. That a second footrest is provided which is capable of protruding and retracting with the mounting surface always being an upper surface from the lower floor of the front part of the seat with a certain distance therebetween and having a massage means therein. A chair with a double footrest that is characteristic. 3. The chair having a double footrest according to claim 1, wherein the backrest portion is provided with a massage means. 4. The massage device according to claim 1, wherein the massage device is a massage device provided with an appropriate mechanism such as a massaging mechanism, a vibration mechanism, a rolling mechanism, a pneumatic mechanism, a finger pressure mechanism, and a heating mechanism. Chair with double footrest. 2. A structure in which a link mechanism is interposed between the backrest and the second footrest so that the second footrest is moved in and out in conjunction with the ups and downs of the backrest. A chair provided with the double footrest according to claim 4. A link mechanism is interposed between the backrest and the footrest and the second footrest, and the footrest and the second footrest are configured to protrude and retract in conjunction with the ups and downs of the backrest. The chair provided with the double footrest according to claim 1. The chair provided with a double footrest according to claim 1, wherein the footrest is configured to be able to be arbitrarily moved in and out manually.

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