JP3029775U - Chair-type stair lift - Google Patents

Abstract

(57) Abstract: [PROBLEMS] To get in and out of a chair provided even in a case where a user is required to get in and out of a chair provided in a lifting / lowering device main body only with arm force. The present invention provides an extremely excellent chair-type stair climbing device capable of performing a series of operations for extremely smooth and easy, and at the same time, consuming minimal physical force in an extremely short time. SOLUTION: In a chair-type stair lift device that moves up and down along a guide rail provided along a stair, at least one of a lift device main body 1a and a chair 2 provided on the lift device main body 1a. A handrail 18 is provided on one of the sides.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention is a chair-type stair climbing device, and more specifically, it is provided mainly for people with disabilities such as the sick and the aged by arranging it mainly along the steps of hospitals and general households. The present invention relates to a chair-type stair climbing device for moving up and down to a desired floor.

[0002]

[Prior art]

 Conventionally, as the chair-type stair climbing device, for example, there is one disclosed in JP-A-7-125950.

That is, in the chair-type stair climbing device described in the above publication, the inconvenience of ascending / descending operation using a chain when the stairway has a horizontal landing and the direction of the staircase when a rack is used. This ascending / descending device is for avoiding various problems of the drive system due to the change, and as shown in FIG. And the lower rocking body 4a, the rod-shaped upper guide rail body 14 and the lower guide rail body 14a, which are arranged along the stairs (not shown) between the floors at arbitrary intervals, and are rotated to the base 3. A resin-made first upper roller 10 that is freely attached, a resin second upper roller 12 that is rotatably attached to a lower position facing the first upper roller 10, and is attached to the upper rocking body 4. And the first lower roller 11 made of resin that is rotatably disposed below the upper guide rail body 14. A second lower roller 13 made of resin, which is attached to the lower rocking body 4a and is rotatably arranged below the lower guide rail body 14a, and the first upper roller 10 and the second upper roller. A drive unit 5 using an electric motor for rotating 12 and a speed reducer 5a connected to the drive unit 5; an elastic body 15 such as a shock absorber connecting the upper oscillating body 4 and the lower oscillating body 4a; The rotation of the reduction gear 5a is transmitted to the upper sprocket 8a of the first upper rotating shaft 8 directly connected to the first upper roller 10 and the lower sprocket 9a of the second upper rotating shaft 9 directly connected to the second upper roller 12, respectively. It is composed of a power transmission body 6 such as a chain, and a tension adjusting gear 7 for applying a predetermined tension to the power transmission body 6.

According to the chair-type stair climbing device configured as described above, the upper oscillating body 4 and the lower oscillating body 4a, which are rotatably attached to the base 3, are connected via the elastic body 15, and 1. A second upper roller 12 is mounted below the upper roller 10, and an upper guide rail body 14 and a lower guide rail body 14 are arranged at arbitrary intervals by the elastic force of the elastic body 15. The upper guide rail body 14 is sandwiched between the first upper roller 10 and the first lower roller 11 mounted on the upper rocking body 4 with respect to 14a, while the second upper roller 12 mounted on the lower rocking body 4a. Thus, the lower guide rail 14a is held between the second lower roller 13 and the second lower roller 13.

Therefore, when the first upper roller 10 and the second upper roller 12 are rotated through the driving device 5 in this state, the base 3 is guided to the upper and lower guide rails 14, 14a. It is possible to move up and down freely between floors along the floor, but at this time, since the upper rocking body 4 and the lower rocking body 4a rotate in the same direction at substantially the same time, they are always provided on the base 3. The chair 2 can be held horizontally and moved up and down between floors.

[0006]

[Problems to be solved by the device]

 However, the conventional chair-type stair climbing device has the following problems.

That is, in the chair-type stair climbing device having the above-described structure, the upper guide rails 14 and the lower guide rails 14a are arranged at arbitrary intervals along the stairs (not shown) between the floors. By rotating each of the first upper roller 10 and the second upper roller 12 among the held rollers 10, 11, 12, 13 via the power transmission body 6, the drive device 5, the base 3 and the chair 2 are provided. It is possible to move the lifting / lowering device main body 1a composed of the above and the like vertically along the upper guide rail body 14 and the lower guide rail body 14a. Is generally provided with a chair 2 on which the user sits, and the chair 2 is provided with an armrest (not shown) in consideration of the safety of the seated user. Most people who use such a chair-type stair climbing device are sick. High and the disabled people of the age or the like of the body, also better to the intensive or need in everyday life the wheelchair by the statistics are the majority.

Therefore, a user who uses a wheelchair a lot or needs a wheelchair mainly needs to use the power of his / her arm to get in and out of the chair 2 provided in the lifting / lowering device body 1a, because the lower body is mainly inconvenient. It is very complicated to get on and off, and it consumes more physical strength than necessary. Furthermore, for safety reasons, even the armrests on the chair 2 interfere with the series of getting on and off. That was a very serious problem.

However, the present invention solves the above-mentioned problem, and even when a user who needs to get on and off a chair provided in the lifting device body is required to use only his arm force. To provide an extremely excellent chair-type stair climbing device that can perform a series of operations for getting on and off a chair in an extremely smooth and easy manner, and at the same time consume the minimum amount of physical strength in an extremely short time. Is an issue.

[0010]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention has considered a completely new chair-type stair climbing device and has taken the following means.

That is, the present invention relates to a lifting device for a chair staircase that moves up and down along a guide rail provided along a stairway, and is provided in the lifting device body 1a or the lifting device body 1a. Since at least one of the chairs 2 is provided with the handrail body 18, the handrail is used even when the person who needs to get on and off the chair needs to use only arm force. There is an advantage that a series of operations for getting on and off the chair 2 through the body 18 can be performed extremely smoothly and easily.

Further, since the handrail body 18 provided on the chair 2 is configured to be provided on the backrest 17 of the chair 2 or the peripheral portion of the backrest 17, especially for a user who frequently uses or needs a wheelchair. There is an advantage that the handrail 18 can be easily grasped sequentially in the height direction of the backrest 17 up to a height at which the chair 2 can be seated, and the handrail 18 can be moved upright from the wheelchair.

Further, since the backrest 17 of the chair 2 or the handrail 18 provided around the backrest 17 is arranged so as to surround the backrest 17, a wheelchair is particularly frequently used or required. There is an advantage that the handrail 18 can be easily grasped sequentially in the height direction of the backrest 17 up to a height at which the user can sit down on the chair 2 and can stand up to be transferred from the wheelchair. In addition to the above, there is an advantage that it is possible to easily get on and off the chair 2 from both sides of the chair 2 or from the front side.

A pair of armrests 19 are provided on at least one of the lifting device body 1a and the chair 2 provided on the lifting device body 1a, and at least one of the armrests 19 is used. Since it is movably provided so that one side of the chair 2 can be opened when the person gets on and off, especially when a user who frequently or needs a wheelchair moves from the wheelchair to the chair 2 and sits down. Alternatively, there is an advantage that a series of motions when moving from the chair 2 to the wheelchair and dropping a waist can be performed smoothly, easily and instantaneously.

Further, since the chair-type stair climbing device main body 1a is provided with a foot rest 22 that can freely move in and out, the foot rest 22 is stored to the device main body 1a side when the device is not used. Therefore, it is possible to minimize the space in the vicinity of the stairs occupied by the device body 1a, and there is an advantage that a person who uses the stairs can use the stairs more safely.

Further, since a part or the whole of the seat portion of the chair 2 is provided on the front side of the chair 2 so that the seat portion can be freely retracted and retracted, the protrusion of the seat portion of the chair 2 can be attached to the main body of the device when the device is not used. Since it can be stored on the side of 1a, it is possible to minimize the space near the stairs occupied by the protrusion of the seat, and the advantage that the person using the stairs can use the stairs more safely In addition to having it, when the user uses the device, such as those who cannot easily sit on the seat of the chair 2, for example, who cannot bend their legs due to a leg injury, etc. There is an advantage that it is possible to get on the device main body 1a reliably and safely while standing without contacting the seat part with the seat part.

Further, since the chair-type stair climbing device body 1a is provided with the operation parts 20 at a plurality of places, the operation part of the place where the operation is most easy to be performed depending on the user's dominant hand or sitting posture. There is an advantage that 20 can be appropriately selected and used.

Further, since the operating portion 20 is provided on the upper peripheral portion of the backrest 17 and the armrest 19, the operating portion 20 of the armrest 19 can be operated when the user sits down on the chair 2 and rides on the apparatus body 1a. Also, when the user rides on the apparatus body 1a while standing up, there is an advantage that the operation portions 20 on the upper peripheral portion of the backrest 17 can be selected and used.

Furthermore, since the lifting device body 1a is provided with the receiving device 21 that drives or stops the device by receiving a predetermined electromagnetic wave, the lifting device body 1a can be used easily and instantaneously by remote control. It is possible for a person to move up and down to a location where it can be moved up and down, and therefore, there is an advantage that many users can freely move up and down through a predetermined floor via the lifting / lowering device main body 1a.

[0020]

[Embodiment of device]

 First Embodiment Hereinafter, the configuration of each part of the chair-type stair climbing device of the present invention will be described, but the description of the same parts as those of the conventional chair-type stair climbing device will be omitted below. 1 and 2, reference numeral 1 denotes a chair-type stair climbing device, and 1a denotes a lifting device body 1a including various members described later.

In the lifting / lowering device main body 1a, 5b represents a worm mounted on a rotary shaft of a driving device 5 using an electric motor, and 5c represents a worm gear meshing with the worm 5b. The gear 5d projecting on the side surface of the worm gear 5b meshes with the gear 5e projecting on the side surface of the lower sprocket 9a directly connected to the second upper rotary shaft 9 so that the speed reducer 5a is formed. It is composed.

Reference numeral 14b denotes a second upper guide rail body, and 14c denotes a second lower guide rail body, each of which is fixed to the upper guide rail body 14 and the lower guide rail body 14a. The guide rail holders 16a are held by a guide rail holders 16a so as to be spaced apart from each other, and each guide rail holder 16a is attached to the guide rail holder 16 so that a plurality of rows of upper guide rails 14, 14b and It is possible to arrange the lower guide rails 14a, 14c along the stairs between the floors at a fixed interval.

Reference numerals 10a and 11a denote a pair of upper and lower first upper rollers and a first lower roller for holding the second upper guide rail body 14b, and 12a and 13a denote the second lower guide rail body 14c. 2 shows a pair of upper and lower second upper roller and second lower roller holding the upper guide rail body 14, and a pair of upper and lower first upper roller 10 holding the upper guide rail body 14, the first lower roller 11 and the lower guide rail body 14a. A pair of upper and lower second upper roller 12 and a second lower roller 13 which are sandwiched between the first upper rotating shaft 8 and the first lower rotating shaft 8b, and the respective second upper rotating shaft 9 and the second lower rotating shaft. The shaft 9b is installed.

Further, the chair 2 provided on the upper part of the lifting / lowering device main body 1a is provided with a fixed seat portion 2b on which a user sits, and the fixed seat portion 2b is provided in parallel with the fixed seat portion 2b. Is provided with a movable seat portion 2a rotatably attached to one end of the fixed seat portion 2b through a predetermined connecting metal fitting. In addition, the movable seat portion 2a is configured so as to be able to move forward and backward on the front side of the chair 2 by being rotated via a shaft attachment portion (not shown).

Reference numeral 17 denotes a backrest which is erected on the other end side (rear side) of the fixed seat portion 2b of the chair 2, and 18 denotes a handrail body which is arranged so as to surround the peripheral portion of the backrest 17. , Formed by a pair of opposed pipes bent at both ends.

Numeral 19 designates a pair of movable armrests which are rotatably pivoted on both sides of the chair 2 and which are vertically movable (rotated), and the front portions of the armrests 19 are respectively shown. Further, on the upper peripheral portion of the backrest 17, an operating portion 20 for driving the device up and down is provided.

Reference numeral 21 denotes a receiving device that is built in the backrest 17 of the chair 2 provided in the device body 1a and that drives or stops the device by receiving a predetermined electromagnetic wave, and 22 indicates the front surface of the device body 1a. The foot mount provided on the lower portion is shown, and an axis for pivoting freely (arrow A) from the inside of the foot mount accommodating recess 1b provided on the lower front surface of the device body 1a to the front side of the device body 1a. Be worn.

Since the chair-type stair climbing device according to the first embodiment is configured as described above, a plurality of rows of upper guide rails 14 and 14b and a plurality of rows of lower guide rails 14a and 14c are provided as stairs, respectively. The upper guide rails 14 and 14b, which are arranged along the upper and lower sides of the upper guide rails 14 and 14b, respectively, each of which constitutes a reciprocal sequence, are sandwiched by the first upper and lower rollers 10, 11, 10a and 11a, and the lower guide rail bodies 14a and 14c are arranged in a plurality of rows. By holding each of the second upper and lower rollers 12, 13, 12a, 13a respectively, not only the problem of excessive load weight, but also the elevator body 1a at a constant speed irrespective of various conditions such as the direction change of the stairs and the inclination angle. Although there is an advantage that friction that can be surely moved by each guide rail body and the roller can be surely generated, the handrail body 18 is provided in the chair 2 provided in the lifting device main body 1a. Since it is provided, it is possible to ride on a chair when using the device. Even if the person who particularly needs to use the power of his / her arm only is used to perform the series of operations for getting on / off the chair 2 through the handrail body 18 extremely smoothly and easily. There is an advantage that

Further, since the handrail 18 provided on the chair 2 is arranged so as to surround the peripheral portion of the backrest 17 of the chair 2, a user who particularly uses or needs a wheelchair can sit on the chair 2. Not only has the advantage that the handrail 18 can be easily and reliably gripped in the height direction of the backrest 17 to a position at which the chair can be hung, and that the handrail 18 can be stood up from the wheelchair, and the chair 2 There is an advantage that it is possible to easily get in and out of the chair 2 from both sides or the front side of the chair 2.

The chair 2 is provided with a pair of movable armrests 19 which are rotatably mounted on both sides and which are vertically movable (rotated) in a vertical direction. It is possible to open one side of the chair 2 at the time of getting on and off the vehicle, so that a user who especially uses or needs a wheelchair can move from the wheelchair to the chair 2 and sit down, or from the chair 2 It has the advantage that each series of movements when moving to a wheelchair and then sitting down can be performed more smoothly, easily and instantaneously.

Further, since a part of the seat portion of the chair 2 is provided as a movable seat portion 2a on the front side of the chair 2 so as to be freely retractable, the protrusion of the seat portion of the chair 2 is used when the device is not used. Can be stored on the side of the device main body 1a, and thus the space near the stairs occupied by the protrusion of the seat can be minimized, and the person using the stairs can use the stairs more safely. As shown in FIG. 3A, the movable seat 2a is rotated to the backrest 17 side (arrow B), and the movable pair of armrests 19 is also provided on the backrest 17 side. When the device is used by a user who cannot easily sit on the seat of the chair 2 by turning the arrow (arrow C), for example, the leg cannot be bent due to a leg injury or the like. Securely without touching the lower body such as legs or waist to the seat. In addition, there is an advantage that it is possible to ride on the device body 1a while standing safely.

Further, since the chair-type stair climbing device body 1a is provided with a foot rest 22 which can freely move in and out, the foot rest 22 is stored on the side of the device body 1a when the device is not used. Since it can be stored in the recess 1b, it is possible to minimize the space in the vicinity of the stairs occupied by the device body 1a, which has the advantage that those who use the stairs can use the stairs more safely. .

Further, since the operation portions 20 are provided at a plurality of positions on the upper portion of the chair 2 and the armrest 19 of the chair-type stair climbing device body 1a, the user's dominant hand, sitting posture, etc. Therefore, there is an advantage that it is possible to appropriately select and use the operation unit 20 of the place where the operation is most easily performed, but when the chair 2 is seated on the apparatus body 1a, the operation unit 20 of the armrest 19 is used. Also, when riding on the apparatus body 1a while standing, there is an advantage that the operation portions 20 on the upper peripheral portion of the backrest 17 can be selected and used.

Further, since the backrest 17 of the chair 2 provided in the lifting device body 1a is provided with the receiving device 21 that drives or stops the device by receiving a predetermined electromagnetic wave, it is easy to perform the remote operation. In addition, it is possible to instantly move the lifting / lowering device main body 1a to a position where the user can move up and down, and therefore, many users can freely move up and down a predetermined floor via the lifting / lowering device main body 1a. There is.

In the first embodiment described above, the upper guide rail body and the lower guide rail body are each configured in two rows. For example, the upper guide rail body is in two rows and the lower guide rail body is in two rows. There may be one row (not shown), and the upper guide rails may be one row (not shown) and the lower guide rails may be two rows. In either case, there is an excessive load weight problem. Not only that, it is possible to move the lifting device body at a constant speed irrespective of various conditions such as the change in direction of the stairs and the angle of inclination, but it is better if the upper and lower guide rails are composed of the same number of series. Needless to say, it is more desirable.

Further, in the above-described embodiment, each rotating roller is made of resin, and the guide rail body is formed of a bar shape. Needless to say, the specific materials, shapes, etc. of the rollers and the guide rails are not limited in any way, and the guide rails that make up the reciprocal sequence may be three or more rows.

Further, in the above-described embodiment, the upper guide rails and the lower guide rails provided in a plurality of rows have the rotating rollers sharing the rotating shaft facing the guide rails forming the row. However, it is not always necessary that the rotating rollers arranged in parallel facing the guide rail body share the same rotating shaft, and individual rotating rollers pivotally supported by completely different rotating shafts. However, in this case, even if the axes of the respective rotary shafts are positioned in the same straight line, the offset rails may be somewhat offset. It goes without saying that it may be done.

Further, in the above embodiment, the rotary rollers arranged in parallel facing the guide rails in a plurality of rows share the same rotary shaft, but in this case, the rotary rollers are In the case of having a mechanism for freeing the rotation of the rotating roller located at one end when passing through the curved portion of the guide rail body that is curvedly arranged in the axial direction of the rotating roller, There is a great advantage that it is possible to more smoothly pass through the curved portion of the guide rail body by adjusting the deviation amount of both rotations due to the inner ring difference of the rotating rollers arranged in parallel.

When the rotating roller passes through a curved portion of a guide rail body that is curved in the axial direction of the rotating roller, rotation of any one of the rotating rollers located at the end portion If a mechanism is used that allows the free rotation of the guide rails, it is possible to smoothly pass through the curved part of the guide rail by adjusting the amount of misalignment between the two rollers due to the inner ring difference of the rotating rollers arranged in parallel. However, it is not always necessary to free the rotation of any of the rotating rollers located at the end, for example, in the rotating roller arranged in parallel facing the guide rails in a plurality of rows, in the axial direction of the rotating roller. When the rotary roller passes through the curved portion of the curved guide rail body, the rotational speed of the rotary roller located at one end is increased or decreased from the rotational speed of the rotary roller located at the other end. Equipped with a differential mechanism such as a differential mechanism In this case, it is possible not only to adjust the amount of rotation deviation due to the inner ring difference of the rotating rollers to allow them to pass through the curved portion of the guide rail more smoothly, but also Sufficient friction can be given to the guide rail body, and even if the curved portion of the guide rail body is inclined upward like a spiral, the lifting device body can be moved reliably. There is a great advantage that can be done.

Further, in the above embodiment, the handrail 18 is provided directly on the chair 2 so as to surround the peripheral portion of the backrest 17 of the chair 2, but as shown in FIG. May be erected directly on the upper part of the apparatus main body 1a, and the shape of the handrail 18 may be an inverted U-shape as shown in FIG. As long as it is provided on at least one of the apparatus main body 1a and the chair 2 provided on the lifting / lowering apparatus main body 1a, the specific location, shape, quantity, material, etc. of the handrail 18 are not limited by any means. Especially, when it is provided on the backrest 17 of the chair 2 or on the periphery of the backrest 17, it is possible to easily and surely reach a height at which a user who frequently or needs a wheelchair can sit down on the chair 2. Grasp the handrail 18 in the height direction of the backrest 17 and stand up to move from the wheelchair. Not only Rukoto can have the advantage that allows to easily get in and out of the chair 2 from any both sides or either side of the front of the chair 2.

Further, in the above-described embodiment, the chair 2 provided on the lifting / lowering device body 1a is provided with a pair of armrests 19, and the armrests 19 open both sides of the chair 2 when the user gets on and off. The chair 2 is provided so as to be rotatable so as to be in a state, but it is not always necessary to open the both sides of the chair 2 by the rotation, and the chair 2 or the lifting device body 1a can be pivoted to the side. It may be movable, and may be slidable horizontally on the chair 2 or the lifting / lowering device main body 1a, and both of the pair of armrests 19 do not necessarily need to be movable. A pair of armrests 19 are provided on at least one of the chairs 2 provided on the lifting / lowering device body 1a, and at least one of the armrests 19 holds one side of the chair 2 at the time of getting on / off of the user. If it is provided so that it can be opened, Of course, it goes without saying that the specific shape, material, mounting location, moving mechanism, etc. of the armrest 19 are not limited to any particular one.

Further, in the above embodiment, since the chair-type stair climbing device body 1a is provided with the foot rest 22 that can freely move in and out, when the device is not used, the foot rest 22 can be moved to the device main body 1a. Since it can be stored on the side, it is possible to minimize the space near the stairs occupied by the device main body 1a, and there is an advantage that those who use the stairs can use the stairs more safely. Needless to say, the specific shape of the foot rest 22, the storage location, and the mechanism for exiting / retracting are by no means limited, and the presence or absence of the foot rest 22 is by no means an essential requirement of the present invention.

Further, in the above-described embodiment, the chair 2 is formed of the fixed seat portion 2b and the movable seat portion 2a, but the seat portion is not necessarily divided into the fixed seat portion 2b and the movable seat portion 2a. There is no need, and the point is that the seat part of the chair 2 is partly or wholly provided in the front side of the chair 2 so that the seat part of the chair 2 can be projected when the device is not used. It can be stored on the side of the main body 1a of the device, so that the space in the vicinity of the stairs occupied by the protrusion of the seat can be minimized, and the person using the stairs can use the stairs more safely. In addition to being able to move the chair, it is not possible to easily sit on the seat of the chair 2. For example, when the user uses the device, who cannot bend their legs due to a leg injury, etc., Stand securely and safely without touching the lower body of Needless to say, it is possible to ride on the device main body 1a, and therefore, the specific shape, size, and withdrawal mechanism of the seat portion of the chair 2 are not limited to any one. It goes without saying that the configuration in which the part or the whole is provided on the front side of the chair 2 so as to be able to move in and out freely is not an essential requirement of the present invention.

Further, in the above-described embodiment, the operating portion 20 is provided on the upper peripheral portion of the backrest 17 and the armrest 19, respectively, but in short, the operating portion 20 is provided at a plurality of positions of the apparatus main body 1 a including the chair 2. When it is installed, the operation section 20 that is the easiest to operate can be selected and used as appropriate depending on the user's dominant hand, sitting posture, etc., and therefore, the specific location of the operation section 20, The function, quantity, etc. are by no means limited.

Further, in the above-described embodiment, since the lifting device body 1a is provided with the receiving device 21 that drives or stops the device by receiving a predetermined electromagnetic wave, it can be easily and remotely operated. It is possible to instantly move the lifting / lowering device main body 1a to a position where the user can move up and down, so that many users can freely move up and down a predetermined floor via the lifting / lowering device main body 1a. Needless to say, the presence or absence of the above is not an essential requirement of the present invention.

However, it goes without saying that the concrete shape, quantity, mechanism, etc. of each part including the device main body, chair, drive mechanism, etc. constituting the chair-type stair climbing device according to the present invention are by no means limited. The point is that the handrail may be provided on at least one of the lifting device body and the chair provided on the lifting device body.

[0047]

[Effect of device]

 As described above, the present invention is intended for the purpose of getting on and off a chair even if it is used by a person who has to use only arm force to get on and off the chair provided on the lifting device body. It is possible not only to perform a series of operations in a very smooth and easy manner, and at the same time, to minimize the consumption of physical strength in an extremely short time, but also to greatly improve the operability and convenience of the device. This has the special effect of being able to provide an extremely excellent chair-type stair climbing device.

[Brief description of drawings]

FIG. 1 is a front view of a lifting device body as an embodiment of a chair-type stair lifting device according to the present invention.

FIG. 2 is a side view of the lifting device body according to the embodiment.

FIG. 3 shows the usage state of the lifting device body,
(B) is an enlarged side view of the main part.

FIG. 4 shows a conventional example of a chair-type stair climbing device according to the present invention, in which (a) and (b) are perspective views.

[Explanation of symbols]

 1 ... Chair-type stair lift device 1a ... Chair-type stair lift device body 2 ... Chair 2a ... Movable seat part 2b ... Fixed seat part 3 ... Base 4 ... Upper rocking body 4a ... Lower rocking body 5 ... Drive device 14 ... Upper guide rail body 14a ... Lower guide rail body 15 ... Elastic body 17 ... Backrest 18 ... Handrail body 19 ... Armrest 20 ... Operating part 21 ... Receiver 22 ... Foot rest

Claims (9)

[Scope of utility model registration request] 1. A chair-type stair climbing device that moves up and down along a guide rail that is arranged along a stairway, wherein the lifting device body (1a) or the lifting device body (1a) is provided. Chair
A chair-type stair climbing device, characterized in that a handrail (18) is provided on at least one of (2). 2. The chair according to claim 1, wherein the handrail (18) is provided on the backrest (17) of the chair (2) or on the periphery of the backrest (17). Lifting device for stairs. 3. The backrest (17) of the chair (2) or a handrail (18) provided around the backrest (17) is a backrest (17).
The chair-type stair climbing device according to claim 2, wherein the chair-type stair climbing device is arranged so as to surround the stairs. 4. A pair of armrests (19) is provided on at least one of the lifting device body (1a) and the chair (2) provided on the lifting device body (1a), and the armrests (19) are provided. 4. At least one of) is movably provided so that one side of the chair (2) is opened when the user gets on and off. Chair-type stair lifting device. 5. The chair-type stair climbing device according to claim 1, wherein the lifting device body (1a) is provided with a foot rest (22) which can freely move in and out. . 6. A part or the whole of the seat of the chair (2),
The chair-type stair climbing device according to any one of claims 1 to 5, wherein the chair-type stair climbing device is provided on the front side of the chair (2) so that it can be retracted and retracted. 7. The chair type stair climbing device according to claim 1, wherein the lifting device body (1a) is provided with operating parts (20) at a plurality of locations. 8. The chair-type stair climbing device according to claim 7, wherein the operating portion (20) is provided on an upper peripheral portion of the backrest (17) and an armrest (19). 9. The elevating device body (1a) includes a receiving device (2) for driving or stopping the device by receiving a predetermined electromagnetic wave.
The chair-type stair climbing device according to any one of claims 1 to 8, characterized in that 1) is provided.