JP2013009922A - Stand aid with weight - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stand aid with a weight for stabilizing the aid in which the weight can avoid being an obstacle to the action of standing or the work of assembling or disassembling the aid.SOLUTION: The stand aid 1 includes a base part 2 in contact with the floor, and a support pole 3 provided with handrails 4, and erecting on the base part 2. The base part 2 is provided with the weight 5 on the reverse side thereof.

Description

  TECHNICAL FIELD The present invention relates to an assisting device for rising of elderly people and care recipients mainly used in the field of care and welfare.

  Standing aids that help balance when standing up or reduce the burden on the legs and hips are widely used as assistance tools for elderly people and care recipients to stand up on their own in daily life and as tools for rehabilitation. Yes.

  As a conventional stand-up assisting tool, as shown in FIG. 18, a base part 200 in which a hollow holder part 210 is erected, and a column part 300 having a handrail part 400 and inserted in the holder part 210 of the base part 200. There is a stand-up assisting device 100 provided with (see Patent Document 1). As a method for stabilizing the rising assist tool 100 from falling down during use, conventionally, a method of fitting a cylindrical weight 500 as shown in FIG. 19 to the holder portion 210 of the base portion 200 has been adopted. (See Non-Patent Document 1)

Utility model registration No. 3304536

Yazaki Kako Co., Ltd., “Omoiku-kun CKA-J”, [online], 2001, Yazaki Kako Co., Ltd., [Search May 24, 2011], Internet <URL: http: //www.kaigo-web .info / kensaku / rental / cka-j.html>

  However, in the above conventional technique, the weight 500 is positioned on the base portion 200, so that the user may accidentally hook the toe on the weight 500, and the weight 500 is raised by the user. There was a case to get in the way.

  In addition, since the screw 310 fixing the lower end portion of the support column 300 to the holder 210 is covered with the weight 500, it is necessary to lift the heavy weight 500 upward each time the screw 310 is detached.・ Workability during disassembly was poor.

  In view of the above problems, the problem to be solved by the present invention is to provide a stand-up assisting device having a weight that does not interfere with the stand-up operation and is excellent in workability during assembly and disassembly.

  In order to solve the above-mentioned problem, a stand-up assisting tool according to the present invention is a stand-up assisting tool including a base portion that is in contact with a floor surface, and a support column that is provided with a handrail portion and is erected on the base portion. It is characterized by having a weight on the back.

Due to this specific matter, since the weight is not on the base portion, there is no possibility that the user accidentally hooks the foot to the weight. Therefore, the weight does not interfere with the rising operation. In addition, the weight does not get in the way when the column part is attached to or detached from the base part.
A latching portion may be provided on the back surface of the base portion, and the weight may be detachably latched on the latching portion. In this case, the weight can be easily attached to and detached from the base portion.

  The stand-up assisting tool is configured such that the column portion is erected on a holder portion erected on the base portion, the base portion includes a connection hole at the erected position of the holder portion, and the weight is connected to the connection portion. A connection hole is provided at a position corresponding to the hole, and the holder part has a female screw groove on the inner peripheral surface of the lower end, and is inserted into the connection hole of both the base part and the weight and screwed into the female screw groove. A fixing fitting having a male screw part, and a projecting part that clamps the base part and the weight with a lower end surface of the holder part when the female screw groove and the male screw part are screwed together. It may be. In this case, the assembly work of the holder part to the base part and the work of attaching the weight to the base part can be performed at the same time. It does not require any parts, and it is possible to manufacture the starting aid at a low cost. Furthermore, the weight is securely fixed to the back surface of the base portion.

  The weight may be plate-shaped. In this case, the thickness of the entire base including the weight can be avoided, and the weight can be easily held. can do. Furthermore, the weight of the weight can be uniformly applied to the entire base portion. As a result, the rising assisting tool is unlikely to fall down and an accident during use can be prevented.

  Further, in the above-described rising assist tool, the base portion is provided with an inclined surface in the peripheral portion thereof in the direction of the floor surface, whereby a space formed between the back surface of the base portion and the floor surface. The weight may be accommodated therein.

  In this case, since the weight is covered with the base portion in a state where the rising assist tool is installed on the floor surface, there is no possibility that the design of the entire rising assist tool is damaged by the weight.

  In the stand-up aid according to the present invention, the weight attached to stabilize the stand-up aid does not interfere with the stand-up operation and the assembling / disassembling work of the stand-up aid.

It is a perspective view which shows Embodiment 1 of the standing assistance tool which concerns on this invention. It is the bottom view and side view which show the weight of the stand-up assistance tool shown in FIG. It is the principal part bottom view and side view which show an example of the arrangement | positioning form of the latching | locking part in the stand-up assistance tool shown in FIG. It is a principal part bottom view of the base part which shows the attachment procedure of the weight shown in FIG. It is a principal part bottom view of the base part which shows the mounting completion state of the weight shown in FIG. It is sectional drawing which follows the AA line in FIG. However, hatching indicating a cross section is omitted. FIG. 7 is an enlarged view of a portion B in FIG. 6. It is a top view of the base part of the stand-up assistance tool shown in FIG. It is the bottom view and side view which show the modification of the weight about Embodiment 1. It is a perspective view which shows the modification about Embodiment 1 of the standing assistance tool which concerns on this invention. It is a perspective view which shows the back surface of the weight which concerns on Embodiment 2 of the standing assistance tool which concerns on this invention. It is a top view of the base part in Embodiment 2 of the standing assistance tool which concerns on this invention. It is sectional drawing which follows the DD line in FIG. 12 of the standing assistance tool which mounted | wore with the weight shown in FIG. However, hatching indicating a cross section is omitted. It is an enlarged view of C part in FIG. It is sectional drawing which shows an example of the makeup | decoration lid | cover used with the stand-up assistance tool which concerns on this invention equipped with the weight shown in FIG. FIG. 11A is a plan view showing an example of a decorative lid used in the rising aid according to the present invention with the weight mounted when the weight shown in FIG. 11 is changed to a weight that does not have a counterbore in the connection hole. (B) is sectional drawing, (c) is a bottom view. It is a front view which shows Embodiment 3 of the standing assistance tool which concerns on this invention. It is a perspective view of the conventional standing assistance tool. It is a perspective view of the weight used for the conventional standing assistance tool.

<Embodiment 1>
Hereinafter, Embodiment 1 of the present invention will be described with reference to FIGS. 1 to 10.

  As shown in FIG. 1, the standing assist tool 1 according to the present invention includes a base portion 2 that is in contact with a floor surface, and a column portion 3 that is provided with a handrail portion 4 and is erected on the base portion 2. The weight 5 is provided on the back surface of the base portion 2.

  The base part 2 has a function of fixing the rising aid 1 to the floor surface. An inclined surface 24 directed in the direction of the floor surface is provided at the peripheral end portion of the base portion 2 of the present embodiment. By this, the weight 5 and a hook to be described later are formed by floating the central portion of the base portion 2 from the floor surface. A space for attaching the stopper 6 and the fixing metal 12 to the back surface of the base 2 is secured. The base portion 2 having such a configuration has a low center of gravity and a large contact area with the floor surface in order to avoid an accident caused by the fall of the standing assist tool 1. As the base plate 21 constituting the base portion 2, it is conceivable to use a metal plate or a high-strength synthetic resin plate. A cushioning material 22 made of, for example, rubber or synthetic resin, for example, is attached to the peripheral edge of the inclined surface 24 described above, thereby preventing the floor surface from being scratched and ensuring the safety of the user. ing.

  The support column part 3 supports the handrail part 4. As shown in FIG. 1, the support column 3 may be a single pipe bent at the center, or a plurality of bent pipes erected and connected by a horizontal rail. The number of handrail portions 4 may be one, or a plurality of handrail portions 4 may be used as illustrated.

  As the standing structure of the support column 3 with respect to the base 2, as shown in FIGS. 6 and 7, for example, a structure using a holder 11 made of a metal pipe and a fixing metal 12 can be considered. As shown in FIG. 8, a plurality of connecting holes 23 are formed in the base plate 21 of the base portion 2, and the fixing bracket 12 having male screw portions 31 from below the base plate 21 in the connecting holes 23, respectively. The lower end opening portion of the holder portion 11 having a female screw groove 32 screwed into the male screw portion 31 on the lower end inner peripheral surface protrudes from the upper surface of the base plate 21 from above the base plate 21. The female screw groove 21 of the holder portion 11 and the male screw portion 31 of the fixing metal member 12 are screwed together. Accordingly, the base plate 21 is sandwiched between the holder portion 11 and the protruding portion 12a of the fixing bracket 12. In this way, the holder portion 11 that supports the column portion 3 is fixed to the base plate 21. A hexagonal hole 33 into which a hexagonal wrench is inserted is formed at the center of the lower surface of the fixing bracket 12 so as to facilitate the screwing operation with the holder portion 11. As described above, the lower end of the support column 3 is inserted into the holder 11 fixed to the base plate 21 from above, and the fixing screw 11a is screwed from the outside of the holder 11 toward the lower end of the support column 3. By fixing the lower end portion to the holder portion 11, the column portion 3 is erected on the base portion 2. The fixing means for the holder portion 11 is not limited to the above, and the lower end portion of the holder portion 11 may be attached to the base plate 21 by welding. The part may be directly welded to the base plate 21 of the base part 2.

  Here, as in the above example, when the fixing metal 12 is used, an elastic material such as a rubber plate 34 is bonded to the upper surface of the fixing metal 12, and the support column 3 is inserted into the holder 11. At this time, it is preferable that the impact generated between the fixture 12 and the column 3 is reduced.

  The handrail portion 4 has a function as a handrail to be gripped when the user stands up. The balustrade part 4 should just be a thing of the shape which is easy to grasp, and may be not only a horizontal beam but a vertical beam. Furthermore, the handrail portion 4 is of a thickness that is easy for a person to grip. An example of a member suitable for the handrail portion 4 is a cylindrical metal pipe having a diameter of about 3 cm. In order to connect and support the handrail portion 4 to the support post portion 3, welding or a resin joint 41 may be used.

  The weight 5 acts as a weight on the base portion 2 of the rising assistance tool 1 and has a function of making the rising assistance tool 1 difficult to fall. The weight 5 in this embodiment is comprised from the upper board 51 and the lower board 52 which were cut out from the sheet metal, as shown in FIG. The upper plate 51 has a rectangular shape that is substantially similar to the base plate 21 of the base portion 2, and the lower plate 52 has a rectangular shape with shorter short sides than the upper plate 51. The lower plate 52 is welded and integrated with the upper plate 51 in a state where the short side centers overlap each other. Two rectangular cutouts 53 are formed on each long side of the upper plate 51 at a predetermined interval. Each of these notches 53 is provided in a region that does not overlap the lower plate 52. Further, in the vicinity of each notch 53, screw holes 56 are provided adjacent to each other along the long side of the upper plate 51.

  On the back surface of the base plate 21 of the base portion 2, a latching portion 6 that latches the weight 5 described above is provided. As shown in FIG. 3, the latching portion 6 includes an attachment portion 61 that is attached to the back surface of the base plate 21, and a latching claw portion 62 that is latched with the weight 5. 62 has a screw hole 63 that overlaps with the screw hole 56 of the weight 5 when the weight 5 is attached. The latching portion 6 is disposed on the back surface of the base plate 21 so as to correspond to the above-described notch 53 of the weight 5 and so that the tip of each latching claw portion 62 faces the inside of the base plate 21. Yes. The gap dimension between each latching claw portion 62 and the base plate 21 is set to be substantially equal to the thickness of the upper plate 51 of the weight 5, whereby the weight 5 is at the edge of the upper plate 51. And the back surface of the base plate 21 are firmly clamped. As the latching part 6 which becomes like this, what was formed by bending the metal piece cut out from the sheet metal in the shape of a crank is used, for example, and it is welded to the base plate 21 by spot welding, for example. In addition, the shape, material, etc. of the latching | locking part 6 are not limited to what was mentioned above. For example, if the latching portion 6 is formed of an elastic spring plate material, the weight 5 can be fixed to the back surface of the base plate 21 in a crimped state by the elastic restoring force of the latching portion 6.

  Next, a procedure for hooking the weight 5 on the back surface of the base portion 2 by the hook portion 6 will be described.

First, the base portion 2 is placed on the floor surface with the back surface of the base portion 2 facing upward, and the weight 5 is positioned on the base portion 2 side of the weight 5 as shown in FIG. The notch 53 and the catching claw 62 of the catching part 6 are made to coincide with each other, the catching claw 62 is passed through the notch 53 of the weight 5, and the upper surface of the upper plate 51 of the weight 5 is the back of the base part 2. Adhere to.
Next, while maintaining this state, the weight 5 is slid in the direction in which the screw hole 56 overlaps the screw hole 63 of the latching claw 62 as shown in FIG. When the two screw holes 56 and 63 are overlapped with each other, a set screw 55 is screwed into the screw hole 56 of the weight 5 from the screw hole 63 of the latching claw 62, and thereby the weight 5 is attached to the base portion 2. The latch is complete. FIG. 6 is a partial sectional view showing the state.

  In the above-described embodiment, the weight 5 is composed of two plate members (the upper plate 51 and the lower plate 52). However, the weight 5 is not limited to such a material, for example, as shown in FIG. Such a single plate may be used. That is, the weight 5a shown in these drawings is engaged with the latching portion 6 at two locations on each of the long sides of a thick metal plate having a substantially similar rectangular shape to the base plate 21 of the base portion 2. Stepped portions 57 are formed, and rectangular cutouts 58 and screw holes 59 are formed in the stepped portions 57, respectively. In addition, the arrangement | positioning procedure of the notch 58 and the screw hole 59 is the same as that of the weight 5 in said embodiment.

  In the above-described embodiment, the hooking means by the hooking part 6 is used as a means for providing the weight 5 on the back surface of the base part 2. However, the invention is not limited to such means, and for example, the weight 5 is welded to the base part 2. You may do it.

  In the embodiment described above, the number of connecting holes provided in the base plate 21 is two. However, for example, as shown in FIG. 10 is inserted into the four connecting holes 23 provided in the base portion 2 shown in FIG. 12 from the back surface, and the male screw portion 31 of the fixing bracket 12 and the female portion of the holder portion 11 are inserted. This is an example in which four holder portions 11 are erected on the base portion 2 by screwing with the screw grooves 32. In this example, the legs of the support column 3 including the main support column 3a and the auxiliary support column 3b are inserted into each holder unit 11. In the two holder parts 11 located in the center part of the base part 2, a main column part 3 a in which one pipe is bent at the center is erected, and between the pipes of the main column part 3 a, The handrail part 4 which is a crosspiece is connected using the resin joint 41, for example. The two holder portions 11 positioned at the ends of the base portion 2 are provided with sub-column portions 3b each having two pipes 35 that are lower than the straight portion of the main column portion 3a and have the same length. It is installed. Each upper end of the sub strut portion 3b and the main strut portion 3a are connected by a cross rail 36. The horizontal rail 36 has a function as a handrail as well as a function of ensuring the strength of the entire column portion 3. For the connection, for example, a resin joint 42 may be used.

<Embodiment 2>
Next, Embodiment 2 of the present invention will be described with reference to FIGS. The stand-up assisting tool according to the present embodiment includes a base portion 2 that is in contact with the floor surface, and a support column portion 3 that is erected on the base portion 2 including a handrail portion 4, and includes a weight 5 on the back surface of the base portion 2. In the standing assisting tool 1, the column 3 is erected on a holder 11 that is erected on the base 2, and the base 2 is provided with a connecting hole 23 at the erected position of the holder 11, and the weight 5 is The holder portion 11 is provided with a female screw groove 32 on the inner peripheral surface of the lower end, and is inserted into the connection holes 23 and 54 of both the base portion 2 and the weight 5 and is provided with a female screw groove. A male threaded portion 71 that is screwed to 32, and a protruding portion 72 that clamps the base portion 2 and the weight 5 with the lower end surface of the holder portion 11 when the female screw groove 32 and the male threaded portion 71 are screwed together, And a fixing metal fitting 70 having the above.

  About the base part 2, the support | pillar part 3, and the handrail part 4, it is the same as Embodiment 1. FIG. However, as shown in FIG. 12, four or more connecting holes 23 provided in the base portion 2 are preferably provided in order to fix at least four corners of a weight 5b described later.

  As the weight 5 of the present embodiment, for example, as shown in FIG. 11, a weight 5b in which corners of a metal rectangular plate are dropped and counterbore holes 54a are provided as connecting holes 54 near the four corners of the rectangular plate is used. It is done. The pitch of the counterbore holes 54 a is the same as the pitch of the connection holes 23 provided at the standing position of the holder portion 11 in the base portion 2. Furthermore, the diameter of the counterbore hole 54 a (the inner diameter of the through portion) is the same as the diameter of the connection hole 23.

  As the holder part 11, for example, a cylindrical metal pipe is used as shown in FIG. 13. A female screw groove 32 is provided on the inner peripheral surface of the lower end of the holder portion 11. The female screw groove 32 is to be screwed with a male screw portion 71 provided in a fixing fitting 70 described later. The outer diameter of the holder portion 11 is larger than the diameter of the connecting hole 23 provided in the base portion 2 so that the lower end surface of the holder portion 11 comes into contact with the surface of the base portion 2 when the holder portion 11 is erected on the base portion 2. Increased.

  The fixture 70 includes a male screw portion 71 that is a columnar portion provided with a male screw groove in the upper portion, and a protruding portion 72 that is a flange protruding from the columnar portion in the lower portion. As shown in FIG. 14, the male screw portion 71 is screwed into the female screw groove 32, and the base plate 21 and the weight 5 b are sandwiched between the protruding portion 72 and the lower end surface of the holder portion 11. The part 11 and the weight 5b are fixed. In order to prevent the base plate 21 from being bent when the rising assisting tool is used and the attached fixing metal fitting 70 coming into contact with the floor surface and damaging the floor surface, a cushioning material 74 is adhered to the bottom surface of the fixing metal fitting 70. Is done. For example, an elastic material such as a rubber plate 34 is bonded to the upper surface of the fixing bracket 70 so as to reduce the impact generated between the fixing bracket 70 and the column portion 3 when the column portion 3 is inserted into the holder portion 11. It is good to. A hexagon hole 73 into which a hexagon wrench is inserted is formed at the center of the lower surface of the fixing bracket 70 so as to facilitate the screwing operation with the holder portion 11.

  As shown in FIG. 15, a decorative lid 80 is put on the connection hole 23 that is not used for standing the holder portion 11. The decorative lid 80 is solid as a whole, and has a columnar portion 81 inserted into the connecting holes 23 and 54 of the base portion 2 and the weight 5b, and a protruding portion 82 positioned above the columnar portion 81. It consists of. The diameter of the column part 81 is set to be slightly smaller than the diameters of the connection hole 23 and the connection hole 54, and the height of the column part 81 is countersunk from the sum of the plate thickness of the base plate 21 and the plate thickness of the weight 5b. The length is obtained by subtracting the depth of the counterbore of the hole 54a. The protruding portion 82 is a ridge protruding in a disk shape from the upper end of the cylindrical portion 81. The upper surface of the projecting portion 82 is a smooth surface, and the outer peripheral edge portion is a tapered surface. Further, a screw hole 83 is provided in the center of the bottom surface of the decorative lid 80 so as to be connected to a fixing plate 90 described later.

  In order to attach the decorative cover 80, a fixing plate 90 and a countersunk screw 700 are used. The fixing plate 90 has a thickness approximately equal to the counterbore depth of the counterbore hole 54a having the thickness 5b, and the diameter is slightly smaller than the diameter of the counterbore part of the counterbore hole 54a. In the center of the fixing plate 90, for example, a hole 91 having a diameter reduced toward the top is formed so that the truncated cone side surface of the head of the countersunk screw 700 is in close contact. Further, in order to prevent the base plate 21 from being bent and the attached fixing plate 90 coming into contact with the floor surface and damaging the floor surface when the rising assisting tool is used, a hole 91 is provided on the lower surface of the fixing plate 90. The cushioning material 92 is affixed except for the portion. The countersunk screw 700 is inserted into the hole 91 of the fixing plate 90 thus configured, and the countersunk screw 700 is screwed into the screw hole 83 provided in the decorative cover 80, whereby the base plate 21 and the weight 5b are connected to the decorative cover. The weight 5 b is fixed to the base portion 2 by being sandwiched between 80 and the fixing plate 90.

  In the above example, the counterbore hole 54a is provided in the weight 5b as the connection hole 54. However, the connection hole 54 is not necessarily a counterbore hole. For example, as shown in FIG. The weight 5c which changed the connection hole 54 into the hole without a spot facing part may be sufficient. In this example, instead of the decorative lid 80, a decorative lid 80a as shown in FIG. 16B is used. The decorative lid 80a is solid as a whole, and includes a columnar portion 81a inserted into each of the connecting holes 23 and 54 of the base portion 2 and the weight 5c, and a protruding portion 82a positioned above the columnar portion 81a. It consists of. The diameter of the cylindrical portion 81 a is slightly smaller than the diameters of the connecting hole 23 and the connecting hole 54, and the height of the cylindrical portion 81 a is substantially the same as the thickness of the base plate 21. The protruding portion 82a is a ridge protruding in a disk shape from the upper end of the cylindrical portion 81a. The upper surface of the protrusion 82a is a smooth surface, and the outer peripheral edge is a curved surface. Furthermore, at the center of the upper surface of the decorative lid 80a, in order to be connected to a fixing plate 90a, which will be described later, for example, a hole 84 whose diameter is reduced toward the bottom so that the side surface of the truncated cone of the head of the countersunk screw 700a is in close contact Is provided.

  In order to attach the decorative lid 80a, a fixing plate 90a and a countersunk screw 700a are used. The fixed plate 90a includes a disk 94 as an upper plate and a disk 95 as a lower plate. The disc 94 has a thickness that is slightly smaller than the thickness of the weight 5 c and a diameter that is slightly smaller than the diameter of the connection hole 54. The diameter of the disc 95 is made larger than the diameter of the connecting hole 54. In the center of the fixing plate 90a, for example, a screw hole 96 that is screwed into the countersunk screw 700a is formed. Further, in order to prevent the base plate 21 from being bent and the attached fixing plate 90a coming into contact with the floor surface and damaging the floor surface when the rising assisting tool is used, a screw hole 96 is formed on the lower surface of the fixing plate 90a. Except for the provided part, the buffer material 92a is stuck. A countersunk screw 700a is inserted into the hole 84 provided in the decorative lid 80a, and the countersunk screw 700a is screwed into the screw hole 96 of the fixing plate 90a thus formed, whereby the base plate 21 and the weight 5c are connected to the decorative lid. The weight 5c is fixed to the base portion 2 by being sandwiched between 80a and the fixing plate 90a.

  The weight 5 is not limited to a single item as in the first and second embodiments, and may be composed of a plurality of components.

  In Embodiments 1 and 2 described above, the base portion 2 is provided with the inclined surface 24 directed toward the floor surface at the peripheral end portion, so that a space for attaching the weight 5 or the like is formed on the back surface side thereof. However, it is not limited to this. For example, as shown in FIG. 17, the base portion 2 may include a base plate 21 that does not have the inclined surface 24 as described above and is a flat plate as a whole. In that case, it is preferable that the weight 5 made of a flat plate is bonded or welded to the back surface of the base plate 21 which is a flat plate so that no protrusion appears on the lower surface of the weight 5.

DESCRIPTION OF SYMBOLS 1 Standing assistance tool 2 Base part 3 Support | pillar part 4 Handrail part 5, 5a, 5b, 5c Weight 6 Latching part 11 Holder part 23 Connection hole 32 Female screw groove 54 Connection hole 70 Fixing fitting 71 Male screw part 72 Projection part

Claims (5)

A base part in contact with the floor surface;
A strut portion provided with a handrail portion and erected on the base portion,
In a stand-up assisting device comprising:
A rising aid having a weight on the back surface of the base portion. In the standing assistance tool according to claim 1,
A rising assisting device, wherein a latching portion is provided on the back surface of the base portion, and the weight is detachably latched on the latching portion. In the standing assistance tool according to claim 1,
The column portion is erected on a holder portion that is erected on the base portion,
The base portion includes a connection hole at a standing position of the holder portion,
The weight includes a connection hole at a position corresponding to the connection hole,
The holder part has a female thread groove on the inner peripheral surface at the lower end,
A male screw portion that is inserted into the connection hole of both the base portion and the weight and is screwed into the female screw groove;
A fixing fitting having a protruding portion that clamps the base portion and the weight with a lower end surface of the holder portion when the female screw groove and the male screw portion are screwed together;
A stand-up aid characterized by comprising In the standing assistance tool according to claim 1, 2, or 3,
The weight assisting device is characterized in that the weight is plate-shaped. In the standing assistance tool as described in any one of Claim 1 to 4,
The base portion is provided with an inclined surface directed toward the floor surface at the periphery thereof, whereby the weight is accommodated in a space formed between the back surface of the base portion and the floor surface. A stand-up aid characterized by that.

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