Training equipment

Abstract

It can be used while sitting in a chair, and burns energy while training leg muscles in a balanced manner. [Solution] This training device is attached to the support pillar 51 of a chair 50 having a rotating seat 52, and comprises a base frame 2 attached to the support pillar 51, a movable frame 3 attached to the base frame 2 so as to move forward and backward relative to the base frame 2, a push-out leg rest member 4 attached to the forward moving side of the movable frame 3, a push-in leg rest member 5 attached to the backward moving side of the movable frame 3, and a biasing means 6 which connects the base frame 2 and the movable frame 3 and biases the movable frame 3 to prevent it from moving forward relative to the base frame 2, and when the chair 50 is viewed from above with the training device attached to it, the push-out leg rest member 4 and the push-in leg rest member 5 are arranged in pairs on the front and back sides of the seat 52.

Description

[Technical Field]

[0001] The present invention relates to a training device that can be attached to a chair with a swivel seat used for desk work, etc., and that allows the user to train the muscles of both legs while sitting in the chair. [Background technology]

[0002] Traditionally, muscle weakness has been a common occurrence when patients are hospitalized or undergo treatment. In such cases, it is preferable to restore muscle strength through strength training. However, it has been difficult for patients to actively engage in strenuous training such as running immediately after recovery in order to restore muscle strength or for rehabilitation. In addition, with the spread of electronic devices such as PCs, the amount of desk work in offices has increased, making it difficult to find time to exercise in daily life, which is necessary to maintain good health. A prior application that addresses this situation is disclosed in, for example, Patent Document 1 shown below.

[0003] Patent Document 1 discloses an invention relating to an exercise device entitled "Exercise Device for Use with Conventional Chairs." The exercise device disclosed in Patent Document 1 is an exercise device that can be attached to a conventional chair, and has a central pillar or a plurality of leg supports, and is characterized in that it includes a foot support consisting of a lengthy bar, the foot support having a first end, a second end, and at least one edge extending along the length of the bar, and configured so that the heel of a shoe can be locked to the edge, an elastic member for operably connecting the chair and the foot support, at least one wheel attached to each end of the foot support for direct rotation on the floor, and at least one attachment means rotatably attached to the foot support, the elastic member attached to the attachment means, and the at least one attachment means, the foot support, and the wheel are configured to rotate independently of each other, with the longitudinal axis of the foot support as the center of rotation. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Patent No. 3824645 Summary of the Invention [Problem to be solved by the invention]

[0005] According to the invention disclosed in Patent Document 1, it can be attached to a chair such as a conventional office chair (a so-called office chair) and can be used to exercise while working, but since the load is placed only on specific muscles in the legs, it is not possible to train the leg muscles in a balanced manner. In this case, there was also concern that other problems could arise, such as imbalance of leg muscles and poor posture.

[0006] The present invention has been made in response to such conventional circumstances, and its purpose is to provide a training device that can be attached to a chair with a rotating seat and that can burn the body's energy while training the leg muscles in a balanced manner. [Means for solving the problem]

[0007] The training device, which is a first invention for solving the above problems, is a training device that is attached to a chair having a support pillar, a seat attached to the upper end of the support pillar and rotating circumferentially around the axis of the support pillar, and legs attached to the lower end of the support pillar, and is equipped with a base frame attached to the support pillar or the legs, a movable frame attached to the base frame so as to move forward and backward relative to the base frame, a push-out leg rest member attached to the forward side of the movable frame, a push-in leg rest member attached to the backward side of the movable frame, and biasing means that connects the base frame and the movable frame and biases the movable frame to prevent it from moving forward relative to the base frame, and the push-out leg rest member and the push-in leg rest member are arranged in pairs on the front and back sides of the seat when the chair is viewed from above with the training device attached to it.

[0008] In the first aspect of the invention having the above configuration, the base frame holds the moving frame in a state in which the moving frame can move forward and backward. When the user sits on the seat of the chair, the user can push the pushing leg rest members toward the front of the body using the shin sides below the knees or the back sides of the ankles of both legs, thereby moving the moving frame forward relative to the base frame. At this time, the biasing means biases the moving frame to prevent it from moving forward, and the user can move the push-out leg rest member forward against this force, thereby applying stress to the quadriceps muscles of both of the user's legs, i.e., the muscles used mainly when straightening the knees, thereby training the quadriceps muscles and consuming energy. In addition, the user can sit on the seat with the seat of the chair rotated around the axis of the support pillar in the circumferential direction of the support pillar to switch the front and back sides of the seat, and in this state, use the thigh sides of both legs below the knees or the heel sides of both ankles to push the pushing leg rest members toward the back side of the body, thereby moving the moving frame forward relative to the base frame. In this case too, the biasing means biases the moving frame to prevent it from moving forward, and the user can resist this force and push the pushing leg rest member toward the back of their body, thereby applying stress to the hamstrings of both of the user's legs, i.e., the semitendinosus, semimembranosus and biceps femoris muscles which are mainly used when bending the knees, thereby training the hamstrings and consuming energy.

[0009] The second invention is the above-mentioned first invention, characterized in that the base frame and the moving frame are both elongated, and are provided with a moving frame holding part that is provided at the end of the base frame on the side where the moving frame retreats and holds the moving frame movably in its axial direction, and a base frame holding part that is provided on the moving frame on the forward side of its axial center position and holds the base frame and moves in the axial direction of the base frame as the moving frame moves, and the moving frame holding part and base frame holding part are connected via a biasing means.

[0010] In the second aspect of the invention having the above configuration, the structure for attaching the moving frame to the base frame so that the moving frame can move forward and backward can be simplified.

[0011] The third invention is the first or second invention described above, characterized in that the base frame and the movable frame are both elongated, and the base frame is arranged directly below the movable frame.

[0012] In the third aspect of the invention having the above configuration, the space occupied by the training device under the seat of the chair can be minimized.

[0013] The fourth invention is the first or second invention described above, characterized in that the moving frame is elongated, the biasing means is an elastic member or a fluid pressure cylinder, the axial direction of the moving frame and the extension / contraction direction of the biasing means are parallel to each other, and the moving frame and the biasing means are arranged side by side with a gap between them.

[0014] In the fourth aspect of the invention having the above-mentioned configuration, when the biasing means has a linear rod-like outer shape, the space occupied by the training device under the seat of the chair can be minimized.

[0015] A fifth invention is the above-mentioned first or second invention, characterized in that it includes a fixing structure for fixing the base frame to the support or leg.

[0016] In the fifth aspect of the invention having the above configuration, the training device of the present invention can be attached to the support or leg of a chair when needed and can be used, while the training device of the present invention can be detached from the support or leg of the chair when not needed. [Effects of the Invention]

[0017] According to the first invention as described above, by rotating the seat of the chair around the axis of the support pillar to switch the front and back sides of the seat, it is possible to perform two different types of leg exercises using one training device. In this case, the user can efficiently train the muscles on the front side of the thigh and the muscles on the back side of the thigh by performing separate exercises while sitting in a chair or while working, and can consume energy in the process. Therefore, according to the first aspect of the present invention, it is possible to eliminate constant lack of exercise. This is expected to have the effect of preventing and improving diseases caused by lifestyle habits such as diabetes and obesity.

[0018] According to each of the second to fourth aspects of the present invention, the training device according to the present invention can be made compact. As a result, it is possible to minimize the training equipment attached under the seat of the chair from interfering with work or getting in the way when the user sits down in or stands up from the chair. Therefore, according to each of the second to fourth aspects of the present invention, it is possible to provide a training device that is highly convenient.

[0019] According to the fifth invention, it becomes possible to use an existing chair with a rotating seat, which is used for desk work, etc., as a training device. Therefore, according to the fifth invention, the versatility of the existing swivel chair can be improved. [Brief explanation of the drawings]

[0020] [Figure 1] 1 is a perspective view of a chair equipped with a training device according to an embodiment of the present invention. [Figure 2] FIG. 2 is an enlarged partial perspective view showing the training equipment and its surroundings in FIG. 1. [Figure 3] FIG. 10 is an image diagram illustrating how to use the training device according to the present embodiment to train the quadriceps muscles of the legs. [Figure 4] FIG. 1 is a perspective view showing a simplified portion of a training device according to an embodiment of the present invention. [Figure 5] FIG. 10 is an image diagram illustrating how to use the training device according to the present embodiment to train the hamstrings of the legs. DETAILED DESCRIPTION OF THE INVENTION

[0021] A training device according to an embodiment of the present invention will now be described in detail with reference to Figures 1 to 5. It should be noted that the following description of the preferred embodiment is merely exemplary in nature.

[0022] Before describing the present invention, an outline of a chair to which the training device according to the present invention is attached will be described with reference to FIG. As shown in Figure 1, chair 50, to which the training equipment of the present invention is attached, comprises: a support 51 whose axis is arranged vertically and which is made of, for example, a hollow metal tube; a seat 52 attached to the upper end of support 51 and which rotates circumferentially around support 51 with the axis of support 51 as the base axis; a plurality of legs 55 attached to the lower end of support 51 and branching out radially from support 51; and casters 56 attached to the tip of each leg 55 and which roll on the support surface. The seat portion 52 is made of, for example, a thick plate with a substantially horizontal surface, and is provided with a cushioning material on its upper surface as required. The chair 50 may be provided with a backrest 53 on the rear side of the seat 52 and armrests 54 on each of the left and right side edges of the seat 52, as required. The leg 55 does not necessarily have to be rod-shaped, but may be flat, such as a disk, for example. When the training device of the present invention is attached to such a chair 50, the attachment target is the support 51.

[0023] [1; Basic configuration of the present invention] The basic configuration of a training device according to an embodiment of the present invention (hereinafter referred to as the present embodiment) will be described with reference to FIGS. As shown in Figures 1 and 2, the training device 1 of this embodiment comprises a long base frame 2 attached to a chair 50 near the leg 55 on the lower side of a support 51, a long movable frame 3 attached to the base frame 2 and moving forward and backward along the center line of the base frame 2, a push-out leg rest member 4 attached to the forward end 3a of the movable frame 3, a push-in leg rest member 5 attached to the backward end 3b of the movable frame 3, and a biasing means 6 connecting the base frame 2 and the movable frame 3 and biasing the movable frame 3 to prevent it from moving forward.

[0024] The base frame 2 and the moving frame 3 are both hollow metal tubes, and the moving frame 3 is disposed directly above the base frame 2 . The center line of the push-out leg rest member 4 is horizontal and perpendicular to the center line of the moving frame 3. In other words, the connecting portion between the moving frame 3 and the push-out leg rest member 4 is substantially T-shaped. The center line of the pushing leg rest member 5 is also horizontal and perpendicular to the center line of the moving frame 3. In other words, the connecting portion between the moving frame 3 and the pushing leg rest member 5 also has a substantially T-shape. Since both the push-out leg rest member 4 and the push-in leg rest member 5 come into contact with the user's body, their surfaces may be covered with a cushioning material 19 .

[0025] The base frame 2 has a first moving frame holding portion 7a at its front end 2a and a second moving frame holding portion 7b at its rear end 2b located opposite the front end 2a, which together hold the moving frame 3 in a movable manner. The first moving frame holding portion 7a and the second moving frame holding portion 7b have the same structure. More specifically, both the first moving frame holding portion 7a and the second moving frame holding portion 7b are provided between the base frame 2 and the moving frame 3, and comprise a connecting plate 9 which is a flat metal plate, and a guide portion 10 which is a short metal cylinder fixed to the edge of this connecting plate 9 on the moving frame 3 side. In the connecting plate 9, the base side edge 9a arranged on the peripheral side of the base frame 2 is fixed to the peripheral side of the base frame 2, while the movable frame 3 is inserted into the hollow portion of the guide portion 10 fixed to the holding side edge 9b arranged on the movable frame 3 side. This allows the moving frame 3 to slide in the direction of the center line of the guide portion 10. That is, the movable frame 3 is attached to the base frame 2 so as to be able to move forward and backward in the direction of its center line.

[0026] The moving frame 3 includes a base frame holding portion 8 between a first moving frame holding portion 7a and a second moving frame holding portion 7b. The structure of the base frame holding part 8 is the same as that of the first moving frame holding part 7a and the second moving frame holding part 7b, except that the object to which it is attached is the moving frame 3 and the member inserted into the hollow part of the guide part 10 is the base frame 2. More specifically, the base frame holding portion 8 is attached to the moving frame 3 at about the middle in the central axis direction. The base frame holding portion 8 is provided between the base frame 2 and the movable frame 3, and comprises a connecting plate 9 which is a flat metal plate, and a guide portion 10 which is a short metal cylinder fixed to the edge of the connecting plate 9 on the base frame 2 side. In the connecting plate 9, the base side edge 9a arranged on the peripheral side of the movable frame 3 is fixed to the peripheral side of the movable frame 3, while the base frame 2 is inserted into the hollow portion of the guide portion 10 fixed to the holding side edge 9b arranged on the base frame 2 side. As a result, when the moving frame 3 moves forward or backward in the direction of its center line, the guide parts 10 constituting the base frame holding part 8 slide on the peripheral side surface of the base frame 2 in the direction of the center line of the base frame 2 .

[0027] Between the first moving frame holding portion 7a and the base frame holding portion 8, for example, elastic members 6a and 6b, which are the biasing means 6, are interposed. The elastic members 6a and 6b may be helical springs as shown in FIGS. 1 and 2, or may be rubber bands or the like (not shown). The elastic members 6 a and 6 b are both attached to the first moving frame holding portion 7 a and the base frame holding portion 8 via an attachment structure 11 . As shown in Figure 2, the mounting structure 11 is composed of a mounting plate 12, which is a metal plate that protrudes in a direction away from the plate surface of the connecting plate 9 that constitutes the first moving frame holding part 7a or the base frame holding part 8, and on the side where the support pillar 51 of the chair 50 is not arranged, a loop 13 that is a metal ring-shaped part that protrudes from each of the opposing surfaces of the pair of mounting plates 12, and a snap hook 14 that is hooked onto this loop 13, and hooks provided at the extension direction ends of the elastic members 6a and 6b are hooked onto the snap hook 14. In other words, the base frame 2 and the moving frame 3 are indirectly connected by the elastic members 6a and 6b, which are the biasing means 6.

[0028] The base frame 2 is fixed to the support posts 51 of the chair 50 by a fixing structure 15 . The fixing structure 15 is composed of a fixing plate 16, which is a metal plate fixed to the peripheral side of the base frame 2, for example, in the middle of the center line direction of the base frame 2, a U-bolt 17 that is detachably attached to this fixing plate 16, and nuts 18 that fix each end of this U-bolt 17 to the fixing plate 16. The base frame 2 can be attached to the support 51 by placing the support 51 of the chair 50 inside the curved part of the U-bolt 17 and fixing each end of the U-bolt 17 to the fixing plate 16 using nuts 18. By arranging the fixing plate 16 so that the straight line connecting the pair of ends of the U-bolt 17 attached to the fixing plate 16 is parallel to the center line direction of the base frame 2, when the base frame 2 is attached to the support 51 of the chair 50 using the fixing structure 15, the center line direction of the base frame 2 can be made approximately horizontal.

[0029] In the training device 1 of this embodiment, the movable frame 3 is arranged directly above the base frame 2, and since the center line direction of the base frame 2 and the center line direction of the movable frame 3 are parallel to each other, the center line direction of the movable frame 3 is also approximately horizontal.

[0030] [2; How to use the present invention] A method of using the training device 1 according to this embodiment will be described with reference to Figures 3 to 5. Note that Figure 4 omits the detailed structure of the ends of the elastic members 6a and 6b, which are the biasing means 6, and a portion of their mounting structure 11. In addition, Figure 4 shows all members fixed to the moving frame 3 with gray hatching. In other words, when the moving frame 3 moves, the members with gray hatching also move.

[0031] When using the training device 1 according to this embodiment to train the quadriceps muscles of the leg 71 of the user 70, first, the front side 52a of the seat 52 is turned toward the side where the push-out leg rest member 4 is arranged, as shown in FIG. In this state, the user 70 sits on the seat 52, brings the instep 73 sides of the ankles 72 of each of the left and right legs 71 into contact with the push-out leg rest members 4, and from this state pushes the push-out leg rest members 4 forward of the user's body to move forward. The pushing leg rest member 4 may be operated using the shin side below the knee of each of the left and right legs 71 instead of the instep 73 side of the ankle 72 of each of the left and right legs 71 .

[0032] As a result, the pushing leg rest member 4 is pushed out in the direction indicated by the symbol P in Figures 3 and 4. With this movement, the moving frame 3, the base frame holding part 8, and the pushing leg rest member 5, which are connected to the pushing leg rest member 4, move forward in the direction indicated by the symbol P, which is in front of the body of the user 70 (see the dashed line in Figure 3 and the long dashed line in Figure 4). At this time, the position of the first moving frame holding part 7a provided on the base frame 2 remains unchanged, while the base frame holding part 8 slides toward the front end 2a of the base frame 2. In other words, the distance L1 between the first moving frame holding part 7a and the base frame holding part 8 changes to a distance L2. As a result, the elastic members 6a and 6b, which are the biasing means 6 interposed between the first moving frame holding portion 7a and the base frame holding portion 8, are extended, and the base frame holding portion 8, the moving frame 3, the push-out leg rest member 4, and the push-in leg rest member 5 are biased to retreat in the direction indicated by symbol Q in Figures 3 and 4. At this time, the quadriceps muscles of the left and right legs 71 of the user 70 are loaded and trained, and the energy of the user 70's body is consumed.

[0033] When the user 70 stops the action of moving the push-out leg rest member 4 forward against the force of the elastic members 6a and 6b, which are the biasing means 6, to contract, the push-out leg rest member 4, the moving frame 3, the base frame holding part 8, and the push-in leg rest member 5 move backward as the elastic members 6a and 6b contract. In other words, they move (restore) in the direction indicated by the symbol Q in Figures 3 and 4. Therefore, by repeating the above-described movements while sitting on the chair 50, the user 70 can continuously exercise the quadriceps muscles of both legs 71 of the user 70 and continuously consume the body's energy.

[0034] When training the hamstrings of the leg 71 of the user 70 using the training device 1 of this embodiment, first, the front side 52a of the seat 52 of the chair 50 is turned toward the side where the push-in leg rest member 5 is arranged. In this state, the user 70 sits on the seat 52, brings the heels 74 of the ankles 72 of each of the left and right legs 71 into contact with the pushing leg rest members 5, and from this state pushes the pushing leg rest members 5 into the back of the user's body and moves them back. It should be noted that the pushing leg rest members 5 may be operated using the thigh sides below the knees of the left and right legs 71 instead of the heels 74 of the ankles 72 of the left and right legs 71 .

[0035] As a result, the pushing leg rest member 5 is pushed in the direction indicated by the symbol P in Figures 5 and 4. With this action, the moving frame 3, base frame holding part 8, and pushing leg rest member 4, which are connected to the pushing leg rest member 5, move in the direction indicated by the symbol P, toward the back side of the body of the user 70 (see the dashed line in Figure 5 and the long dashed line in Figure 4). In other words, the moving frame 3 moves forward relative to the base frame 2. In this case, the position of the first moving frame holding part 7a provided on the base frame 2 remains unchanged, while the base frame holding part 8 slides toward the front end 2a of the base frame 2. In other words, the distance L1 between the first moving frame holding part 7a and the base frame holding part 8 changes to a distance L2. As a result, the elastic members 6a and 6b, which are the biasing means 6 interposed between the first moving frame holding portion 7a and the base frame holding portion 8, are extended, and the base frame holding portion 8, the moving frame 3, the push-out leg rest member 4, and the push-in leg rest member 5 are biased to retreat in the direction indicated by symbol Q in Figures 5 and 4. At this time, a load is applied to the hamstrings of the left and right legs 71 of the user 70, which are strengthened, and the energy of the user 70's body is consumed.

[0036] When the user 70 stops pushing the pushing leg rest 5 toward the rear of the body against the contracting force of the elastic members 6a and 6b, which are the biasing means 6, the pushing leg rest 5, moving frame 3, base frame holding part 8, and push-out leg rest 4 move backward as the elastic members 6a and 6b contract. In other words, they move (restore) in the direction indicated by the symbol Q in Figures 5 and 4. Therefore, by repeating the above-described movements while sitting on the chair 50, the user 70 can continuously train the hamstrings of both legs 71 and continuously consume the body's energy.

[0037] 5, when viewed with the use state shown in Fig. 3 as a reference, the front side 52a and back side 52b of the seat 52 of the chair 50 are inverted with the axis of the support column 51 as the base axis. Therefore, the direction of movement of the push-in leg rest member 5 felt by the user 70 is opposite to the direction of movement of the push-out leg rest member 4 felt by the user 70, but the direction of movement of the movable frame 3 relative to the base frame 2 is the same as the forward direction indicated by the symbol P in Figs. 3 and 5.

[0038] By performing both the exercise shown in Figure 3 and the exercise shown in Figure 5, user 70 can train the quadriceps, which are the muscles on the front side of both legs 71 of user 70, and the hamstrings, which are the muscles on the back side, and can consume energy in the process.

[0039] [3; Effects of the present invention] According to the training device 1 of this embodiment, the user 70 can perform two different types of exercise using both legs 71 while sitting in the chair 50, thereby consuming energy from the user's body. As a result, by using the training device 1, it is possible to eliminate chronic lack of exercise. Furthermore, by using the training device 1, it is possible to expect effects in preventing and improving diseases caused by lifestyle habits such as diabetes and obesity.

[0040] Experiments have confirmed that when the training device 1 of this embodiment is used while sitting on the chair 50, calorie consumption increases by 30% compared to simply sitting on the chair 50 without using the training device 1.

[0041] In the training device 1 of this embodiment, both the base frame 2 and the moving frame 3 are made long, and the first moving frame holding part 7a and the base frame holding part 8 are used to hold the moving frame 3 relative to the base frame 2 so that it can move forward and backward in the center line direction of the moving frame 3, thereby making it possible to simplify the structure of the training device 1 while ensuring sufficient strength. In other words, the external shape of the training device 1, excluding the push-out leg rest member 4 and the push-in leg rest member 5, can be made long and slender, so that when the training device 1 is attached under the seat 52 of the chair 50, it is possible to minimize the training device 1 getting in the way of the legs of the user 70.

[0042] In addition, by placing the base frame 2 directly below the moving frame 3, the above effect can be exhibited more significantly.

[0043] Furthermore, when elastic members 6a and 6b as shown in Figs. 1 and 2 are used as the biasing means 6, the biasing means 6 also has an elongated shape. In this case, the above-mentioned effect can be more pronounced by arranging the base frame 2, the movable frame 3 and the biasing means 6 so that their center line directions or extension / contraction directions are parallel to each other and by arranging them side by side with a gap between them.

[0044] The training device 1 of this embodiment is configured so that the elastic members 6a and 6b, which are the biasing means 6, are attached to the first moving frame holding part 7a and the base frame holding part 8 by the attachment structure 11, so that the elastic members 6a and 6b can be replaced, added, or removed as needed. In this case, the load on both legs 71 of the user 70 can be changed as desired, so that training equipment can be provided that meets the diverse needs of people from beginners to advanced strength trainers. Alternatively, the training device 1 according to this embodiment may be used as a device for restoring the function of the leg 71.

[0045] Since the training device 1 according to this embodiment is provided with the fixing structure 15, the training device 1 can be attached to and detached from the chair 50 as needed. In other words, by attaching training device 1 to chair 50 that does not have an existing training device 1, it becomes possible to use existing chair 50 with rotating seat 52 as a training device. Therefore, the training device 1 having the fixing structure 15 can improve the versatility of the chair 50 with the swivel seat 52.

[0046] [4; Regarding variations and detailed structures of the present invention] (About the moving frame holding structure) In this embodiment, a first moving frame holding portion 7a and a second moving frame holding portion 7b are provided at both ends of the base frame 2 in the center line direction, and a base frame holding portion 8 is arranged between them. However, the second moving frame holding portion 7b does not necessarily have to be provided. In this case, although the stability of the moving frame 3 during forward or backward movement in the center line direction is slightly reduced, the training device 1 can still perform its intended function without any problems.

[0047] (Regarding the biasing means) In the training device 1 according to this embodiment, elastic members 6a and 6b are used as the biasing means 6, but instead of these, an air cylinder or hydraulic cylinder may be used that can change the load applied to the moving frame 3 as desired. In this case, the same effects as those of the training device 1 are achieved.

[0048] (About the base frame) In this embodiment, an example is given in which a long rod-shaped body is used as the base frame 2, but the shape of the base frame 2 does not have to be limited to the above-mentioned shape, and it may be in a shape other than that shown in Figures 1 to 5 as long as it has a structure that holds the movable frame 3 so that it can move forward and backward in the direction of its center line. More specifically, for example, the base frame 2 in the training device 1 shown in Figures 1 to 5 is not provided, and the first moving frame holding part 7a in the training device 1 is lengthened in the direction of the center line of the moving frame 3 and used as the base frame of the modified example, and a biasing means 6 is provided to connect this modified base frame with the peripheral side surface of the moving frame 3, thereby achieving the same effect as the training device 1 of this embodiment. In this case, the member corresponding to the connecting plate 9 in the base frame of the above modified example can be used as the fixing plate 16 of the fixing structure 15, and the training equipment of the modified example can be attached to the support 51 of the chair 50 using a U-bolt 17 and a nut 18.

[0049] In addition, in the base frame of this modified example, it is assumed that the plate surface direction of the member corresponding to the connecting plate 9 is arranged in the center line direction of the member corresponding to the guide section 10, but if the strength of the connecting portion of these members can be ensured, the plate surface direction of the member corresponding to the connecting plate 9 may be made to intersect with the center line direction of the member corresponding to the guide section 10. In this case, the desired effect can be achieved without any problems.

[0050] In this embodiment, an example is described in which a long hollow tube is used as the base frame 2, but the base frame 2 may also be a rail whose cross section perpendicular to the center line direction is substantially C-shaped. In this case, the base frame holding portion 8 may be provided with a runner that runs in the groove of the rail, instead of the short cylindrical guide portion 10. In this case, the same effects as those of the training device 1 are achieved.

[0051] (Regarding fixed structure) In this embodiment, the fixing structure 15 is described as being composed of the fixing plate 16, the U-bolt 17, and the nut 18, but the fixing structure 15 may have a structure other than the above. More specifically, a one-touch detachable mechanism such as a conventionally known snap lock may be employed as the fixing structure of the base frame 2. In this case, the attachment and detachment of the training device 1 to and from the chair 50 can be made easier.

[0052] (Regarding the installation of training equipment) In this embodiment, the example is described in which the base frame 2 is attached to the support pillar 51 of the chair 50, but if the chair 50 has rod-shaped legs 55 that branch out radially at the lower end of the support pillar 51, the base frame 2 may also be attached to these legs 55. In this case, the base frame 2 may be attached so as to straddle a plurality of legs 55 (not shown) so that the training device according to this modified example does not easily come off the base frame 2. In this case, the same effects as those of the training device 1 are achieved.

[0053] (Moving mechanism and biasing means for the moving frame) In this embodiment, the example is described in which the movable frame 3 is slid relative to the base frame 2, but a rack-and-pinion mechanism, for example, may be used as the moving mechanism for the movable frame 3 relative to the base frame 2, and an electrically driven motor, for example, may be used as the biasing means for preventing the movable frame 3 from moving forward. In this case, the same effects as those of the training device 1 of this embodiment are achieved. [Industrial Applicability]

[0054] As described above, the present invention is a training device that can be attached to a chair in which the seat rotates around the axis of the support pillar in the circumferential direction of the support pillar, and can burn physical energy while training leg muscles in a balanced manner, and can be used in technical fields related to office furniture, health equipment, rehabilitation equipment, etc. [Explanation of symbols]

[0055] 1...Training equipment 2...Base frame 2a...Front end 2b...Rear end 3...Moving frame 3a...Forward end 3b...Retraction end 4...Pushing leg rest member 5...Pushing leg rest member 6...Using means 6a, 6b...Elastic member 7a...First moving frame holding part 7b...Second moving frame holding part 8...Base frame holding part 9...Connecting plate 9a...Base side edge 9b...Holding side edge 10...Guide part 11...Mounting structure 12...Mounting plate 13...Loop 14...Snap hook 15...Fixing structure 16...Fixing plate 17...U-bolt 18...Nut 19...Cushioning material 50...Chair 51...Support 52...Seat 52a...Front side 52b...Rear side 53...Backrest 54...Armrest 55...Leg 56...Caster 70...User 71...Leg 72...Ankle 73...Instep 74...Heel

Claims

1. A training device to be attached to a chair having a support pole, a seat portion provided at the upper end of the support pole and rotating in the circumferential direction of the support pole around the axis of the support pole, and legs provided at the lower end of the support pole, a base frame attached to the support or the leg; a moving frame attached to the base frame so as to move forward and backward relative to the base frame; a push-out leg rest member provided on the forward movement side of the moving frame; a push-in leg rest member provided on the retreating side of the moving frame; a biasing means for connecting the base frame and the moving frame and biasing the moving frame to prevent the moving frame from moving forward relative to the base frame; This training device is characterized in that the push-out leg rest member and the push-in leg rest member are arranged in pairs on the front and back sides of the seat when the chair is viewed from above with the training device attached to the chair.

2. The base frame and the moving frame are both elongated, a moving frame holding portion provided at an end of the base frame on the side where the moving frame retreats, and holding the moving frame movably in its axial direction; a base frame holding section that is provided on the moving frame on the forward side of a center position in the axial direction of the moving frame, that holds the base frame, and that moves in the axial direction of the base frame as the moving frame moves, 2. The training device according to claim 1, wherein the moving frame holding portion and the base frame holding portion are connected via the biasing means.

3. The base frame and the moving frame are both elongated, 3. The training device according to claim 1, wherein the base frame is disposed directly below the moving frame.

4. The moving frame is elongated, the biasing means is an elastic member or a fluid pressure cylinder, The axial direction of the moving frame and the extension / contraction direction of the biasing means are parallel to each other, 3. The training device according to claim 1, wherein the moving frame and the biasing means are arranged side by side with a gap therebetween.

5. 3. The training device according to claim 1, further comprising a fixing structure for fixing the base frame to the support or the leg.

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