JP2018201543A - Auxiliary handrail - Google Patents

Abstract

To provide an auxiliary handrail adjusting a height position of a first handrail part to an appropriate height position in response to the body type, the action and the like of a user.SOLUTION: An auxiliary handrail 2 includes: a base 8; a first support part 10 and a second support part 12 erected on the base 8; a turning part 14 turnably supported by each of a first turning shaft 58 and a second turning shaft 68 and turning between a first position standing along each of the first support part 10 and the second support part 12, and a second position falling to each of the first support part 10 and the second support part 12; a first handrail part 16 provided on a first end part 14a of the turning part 14; and a lock mechanism 20 for regulating turn to the second position from the first position of the turning part 14 when the turning part 14 locates at the first position. The first handrail part 16 is disposed on a side upper than the first turning shaft 58 and the second turning shaft 68 while the turning part 14 locates at the first position.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an auxiliary handrail that is used while being placed on a floor surface and assists operations such as getting up and walking.

  For example, there is a stationary type that is used by placing it on the floor as an auxiliary handrail for assisting the raising, walking, etc. of the physically handicapped, the elderly and the injured (hereinafter referred to as “user”). It is known (see, for example, Patent Document 1). This type of auxiliary handrail is composed of a base placed on the floor, a pair of struts standing on the base, a plurality of handrails fixed in a ladder shape between the pair of struts, and a pair of handrails And an expansion / contraction mechanism for extending / contracting each of the support columns vertically.

  For example, the user can get up by himself from a futon or the like laid on the floor surface while grasping by hand from the lowermost handrail part to the uppermost handrail part in order. At this time, the height positions of the plurality of handrail portions from the floor surface can be arbitrarily adjusted by expanding and contracting each of the pair of support columns by the expansion and contraction mechanism.

Registered Utility Model No. 3127542

  However, in the above-described conventional auxiliary handrail, since the adjustable range of the height position of the handrail portion is small, the height position of the handrail portion is adjusted to an appropriate height position according to the user's physique and movement. The problem that it is difficult arises.

  The present invention has been made in view of such a problem, and an auxiliary handrail capable of adjusting the height position of the first handrail portion to an appropriate height position according to the physique and movement of the user. The purpose is to provide.

  In order to solve the above-described problem, an auxiliary handrail according to an aspect of the present invention is provided with a base, a first support column that is erected on the base and has a first rotation shaft, and erected on the base. , A second support column having a second rotation axis, and supported by each of the first rotation axis and the second rotation axis so as to be rotatable, and the first support column and the second rotation axis. A rotating part that rotates between a first position that rises along each of the two supporting column parts and a second position that falls with respect to each of the first supporting column part and the second supporting column part. And a first handrail portion provided at a first end of the rotating portion, and when the rotating portion is in the first position, the first position of the rotating portion is A locking mechanism for restricting the rotation to the second position, and the first handrail unit is configured so that the first handrail unit is in the state in which the rotation unit is in the first position. It is arranged above the pivot shaft and the second rotation axis.

  According to the auxiliary handrail according to the aspect of the present invention, the height position of the first handrail portion can be adjusted to an appropriate height position according to the user's physique and movement.

It is a perspective view which shows the front side of the auxiliary handrail which concerns on Embodiment 1 in the state which has a rotation part in a 1st position. It is a perspective view which shows the back side of the auxiliary handrail which concerns on Embodiment 1 in the state which has a rotation part in a 1st position. It is a perspective view which shows the front side of the auxiliary handrail which concerns on Embodiment 1 in the state which has a rotation part in a 2nd position. It is a disassembled perspective view which expands and shows a part of auxiliary handrail which concerns on Embodiment 1 in the state which removed the 1st support | pillar part from the base. It is a top view which expands and shows a part of auxiliary railing which concerns on Embodiment 1 in the state which has a rotation part in a 2nd position. FIG. 3 is a perspective view showing a lock mechanism of the auxiliary handrail according to the first embodiment. FIG. 6 is a diagram for explaining a usage example 1 of the auxiliary handrail according to the first embodiment. FIG. 6 is a diagram for explaining a usage example 2 of the auxiliary handrail according to the first embodiment. 6 is a diagram for explaining a usage example 3 of the auxiliary handrail according to the first embodiment. FIG. 6 is a diagram for explaining a usage example 4 of the auxiliary handrail according to the first embodiment. FIG. FIG. 10 is a diagram for explaining a usage example 5 of the auxiliary handrail according to the first embodiment. It is a figure for demonstrating the usage example 6 of the auxiliary handrail which concerns on Embodiment 1. FIG. It is a perspective view which shows the auxiliary handrail which concerns on Embodiment 2 in the state which attached the 1st support | pillar part and the 2nd support | pillar part to the 1st attachment position of the base. It is a perspective view which shows the auxiliary handrail which concerns on Embodiment 2 in the state which attached the 1st support | pillar part and the 2nd support | pillar part to the 2nd attachment position of the base. It is a perspective view which shows the auxiliary handrail which concerns on Embodiment 2 in the state which attached the 1st support | pillar part and the 2nd support | pillar part to the 3rd attachment position of the base. It is a perspective view which shows the auxiliary handrail which concerns on Embodiment 3 in the state which has a rotation part in a 1st position. It is a perspective view which shows the auxiliary handrail which concerns on Embodiment 3 in the state which has a rotation part in a 2nd position. It is a perspective view which shows the auxiliary handrail which concerns on Embodiment 4. It is a perspective view which shows the auxiliary handrail which concerns on Embodiment 5. FIG. FIG. 10 is a perspective view showing an auxiliary handrail according to the sixth embodiment.

  Embodiments of the present invention will be described below. Note that each of the embodiments described below shows a preferred specific example of the present invention. Therefore, numerical values, shapes, materials, components, arrangement positions and connection forms of the components, and the like shown in the following embodiments are merely examples, and are not intended to limit the present invention. Therefore, among the constituent elements in the following embodiments, constituent elements that are not described in the independent claims showing the highest concept of the present invention are described as optional constituent elements.

  Each figure is a mimetic diagram and is not necessarily illustrated strictly. In each figure, substantially the same configuration is denoted by the same reference numeral, and redundant description is omitted or simplified.

(Embodiment 1)
Hereinafter, the auxiliary handrail according to the first embodiment will be described.

[1-1. Overall configuration of auxiliary handrail]
First, the overall configuration of the auxiliary handrail 2 according to the first embodiment will be described with reference to FIGS. FIG. 1 is a perspective view showing the front side of the auxiliary handrail 2 according to Embodiment 1 in a state in which the rotating unit 14 is in the first position. FIG. 2 is a perspective view showing the back side of the auxiliary handrail 2 according to Embodiment 1 in a state in which the rotating unit 14 is in the first position. FIG. 3 is a perspective view illustrating the front side of the auxiliary handrail 2 according to the first embodiment in a state where the rotating unit 14 is in the second position.

  The auxiliary handrail 2 of the present embodiment is an auxiliary handrail for assisting the user 4 (see FIG. 7A described later) in getting up and walking, for example, an entrance in a house, a bedroom, a kitchen, a dressing room. And a stationary auxiliary handrail that is used by being placed on a floor surface 6 (see FIG. 7A described later) of a living room or the like.

  As shown in FIGS. 1 to 3, the auxiliary handrail 2 includes a base 8, a first support column 10, a second support column 12, a rotating unit 14, a first handrail 16, 2 handrails 18, a lock mechanism 20, a third support column 22, a fourth support column 24, and a plurality of third handrails 26a, 26b and 26c (26a to 26c). . Hereinafter, each of these components of the auxiliary handrail 2 will be described in detail.

[1-2. base]
The base 8 will be described with reference to FIGS. FIG. 4 is an exploded perspective view showing an enlarged part of the auxiliary handrail 2 according to the first embodiment in a state where the first support column 10 is removed from the base 8.

  The base 8 is a base for supporting the first support column 10 and the second support column 12 from below, and is placed on the floor surface 6 (see FIG. 7A described later). As shown in FIGS. 1 to 3, the base 8 has, for example, a long side (side in the Y-axis direction) of about 70 cm, a short side (side in the X-axis direction) of about 50 cm, and a thickness (size in the Z-axis direction). ) Is formed in a substantially rectangular flat plate shape of about 1.5 cm in plan view.

  As shown in FIGS. 1 and 4, the base 8 is formed by, for example, cross-stretching the upper surface of a metal plate 28 having a substantially rectangular shape in plan view with a cloth sheet 30, and the peripheral portion of the metal plate 28 with a ring-shaped rubber. It is configured by covering with the member 32.

  Further, as shown in FIGS. 1 and 4, a first attachment portion 34 and a second attachment portion for attaching the lower ends of the first support column 10 and the second support column 12 to the upper surface of the base 8, respectively. A mounting portion 36 is formed. The first mounting portion 34 and the second mounting portion 36 are spaced apart in the short side direction of the base 8 at a position that is biased toward one end in the long side direction of the base 8 (end on the positive side of the Y axis). It is placed and placed. As shown in FIG. 4, in the first attachment portion 34, the metal plate 28 is exposed by cutting the cloth sheet 30 into a circular shape. A plurality of screw holes 40 for screwing screws 38 are formed in the first attachment portion 34. The plurality of screw holes 40 are arranged at intervals in the circumferential direction of the first attachment portion 34. Although not shown, the second attachment portion 36 is configured in the same manner as the first attachment portion 34.

[1-3. First strut part and second strut part]
Next, the 1st support | pillar part 10 and the 2nd support | pillar part 12 are demonstrated, referring FIGS. 1-4. The first support column 10 and the second support column 12 are frames for supporting the rotating unit 14.

  As shown in FIGS. 1 to 3, the first support column 10 and the second support column 12 are erected on the upper surface of the base 8 with a gap. Each of the first support column 10 and the second support column 12 is formed of a metal pipe having a circular cross section, and extends linearly from the upper surface of the base 8 in the vertical direction (Z-axis direction). In addition, each of the 1st support | pillar part 10 and the 2nd support | pillar part 12 is formed by extrusion molding etc. of metals, such as aluminum, for example.

  The first support column 10 has a lower support 42 and an upper support 44. The lower support portion 42 extends linearly from the upper surface of the base 8 in the vertical direction. As shown in FIG. 4, a mounting flange 46 is formed at the lower end portion of the lower support portion 42. A plurality of insertion holes 48 for inserting screws 38 are formed in the attachment flange 46 corresponding to the plurality of screw holes 40 of the first attachment portion 34. The screw 38 is screwed into the screw hole 40 of the first attachment portion 34 through the insertion hole 48 of the attachment flange 46, so that the lower end portion of the lower support portion 42 is attached to the first attachment portion 34. As shown in FIG. 1, the lower end portion of the lower support portion 42 is covered with a trumpet-shaped decorative cover 54.

  The upper support portion 44 is slidably inserted into the lower support portion 42 and extends linearly from the upper end portion of the lower support portion 42 in the vertical direction. As shown in FIG. 2, the upper support portion 44 is fixed to the lower support portion 42 with a plurality of screws 56. By loosening each of the plurality of screws 56, the upper support portion 44 can be slid in the vertical direction with respect to the lower support portion 42, and the entire first support column portion 10 is expanded and contracted along its longitudinal direction. Can do. A first rotation shaft 58 is disposed at the upper end portion of the upper support portion 44.

  The second support column 12 has a lower support 60 and an upper support 62. The lower support part 60 extends linearly from the upper surface of the base 8 in the vertical direction. A lower end portion of the lower support portion 60 is attached to the second attachment portion 36 with the same configuration as that of the first support column portion 10 described above. As shown in FIG. 1, the lower end portion of the lower support portion 60 is covered with a trumpet-shaped decorative cover 64.

  The upper support part 62 is slidably inserted into the lower support part 60 and extends linearly from the upper end part of the lower support part 60 in the vertical direction. As shown in FIG. 2, the upper support portion 62 is fixed to the lower support portion 60 with a plurality of screws 66. By loosening each of the plurality of screws 66, the upper support portion 62 can be slid in the vertical direction with respect to the lower support portion 60, and the entire second support column portion 12 can be expanded and contracted along its longitudinal direction. Can do. A second rotating shaft 68 is disposed at the upper end portion of the upper support portion 62.

  By extending and contracting each of the first support column 10 and the second support column 12, the height position of the rotating unit 14 from the base 8 can be adjusted. The height positions of the first rotation shaft 58 and the second rotation shaft 68 are substantially the same. That is, the first rotation shaft 58 and the second rotation shaft 68 are disposed on the same rotation axis extending in the horizontal direction (X-axis direction).

[1-4. Rotating part]
Next, the rotation unit 14 will be described with reference to FIGS. 1 to 3 and 5. FIG. 5 is an enlarged plan view showing a part of the auxiliary handrail 2 according to the first embodiment in a state where the rotating unit 14 is in the second position.

  The rotating portion 14 is for supporting the first handrail portion 16 and the second handrail portion 18 and for seating the user 4 (see FIG. 7A described later). As shown in FIG. 1 to FIG. 3 and FIG. 5, the rotating portion 14 is formed in a plate shape having a substantially rectangular shape in plan view, and the inside thereof is formed in a hollow shape. In addition, the rotation part 14 is formed, for example with resin.

  Both side portions in the width direction (X-axis direction) of the rotation portion 14 can be rotated to the first rotation shaft 58 of the first support column 10 and the second rotation shaft 68 of the second support column 12, respectively. It is supported by. As a result, the rotating unit 14 has the first position (see FIGS. 1 and 2) and the second position (see FIGS. 3 and 5) around the first rotating shaft 58 and the second rotating shaft 68. ). When the rotation unit 14 is in the first position, the rotation unit 14 stands in the vertical direction along each of the first support column 10 and the second support column 12. Moreover, when the rotation part 14 exists in a 2nd position, it falls in a horizontal direction with respect to each of the 1st support | pillar part 10 and the 2nd support | pillar part 12. FIG.

  A first concave portion 70 extending along the longitudinal direction (X-axis direction) of the first end portion 14a is formed in the first end portion 14a in the depth direction of the rotation portion 14 (perpendicular to the rotation axis). (An example of a recessed part) is formed. In addition, the second end 14b opposite to the first end 14a in the depth direction of the rotating portion 14 has a second end extending along the longitudinal direction (X-axis direction) of the second end 14b. A recess 72 is formed.

  As shown in FIGS. 2, 3, and 5, the rotating portion 14 is formed with a planar seating surface 74 for the user 4 to sit on. The seat surface 74 is disposed on the upper surface of the rotating unit 14 in a state where the rotating unit 14 is in the second position. At this time, the height of the seat surface 74 from the base 8 is, for example, 35 cm to 50 cm.

  Further, as shown in FIG. 5, the rotating portion 14 has a pair of protruding portions 76 protruding from both sides in the width direction (X-axis direction) of the seat surface 74 along the longitudinal direction of the first end portion 14 a. Is formed. As shown in FIG. 1, the pair of projecting portions 76 protrude beyond the third column portion 22 and the fourth column portion 24 on the left and right sides in a state where the rotating portion 14 is in the first position. It is configured in a shape and size that will not.

[1-5. First handrail part]
Next, the 1st handrail part 16 is demonstrated, referring FIGS. 1-3 and FIG. The first handrail 16 is a member that is held by the user 4 (see FIG. 7A described later) and assists the user 4 in various operations.

  As shown in FIGS. 1 to 3 and 5, the first handrail 16 is formed of a resin pipe having a circular cross section and extends linearly. The diameter of the 1st handrail part 16 is about 3.2 cm, for example, and is comprised in the thickness which the user 4 is easy to hold | grip with a hand. The first handrail 16 extends over the first recess 70 of the rotating unit 14 and extends along the longitudinal direction of the first end 14 a of the rotating unit 14.

  As shown in FIGS. 1 and 2, the first handrail portion 16 is located above the first rotation shaft 58 and the second rotation shaft 68 in a state where the rotation portion 14 is in the first position. Arranged on the positive side of the Z-axis. At this time, the height of the first handrail 16 from the base 8 is, for example, 55 cm to 70 cm. Further, as shown in FIG. 3, the first handrail portion 16 is in front of the first rotation shaft 58 and the second rotation shaft 68 in a state where the rotation portion 14 is in the second position ( (Minus side of Y axis).

  The surface of the first handrail 16 is covered with, for example, a rubber or resin tube in order to prevent the hand 4 from slipping when the user 4 grips the first handrail 16 by hand. May be.

[1-6. Second handrail part]
Next, the 2nd handrail part 18 is demonstrated, referring FIGS. 1-3. The second handrail portion 18 is a member that is held by the user 4 (see FIG. 7A described later) and assists the user 4 in various operations.

  As shown in FIGS. 1 to 3, the second handrail portion 18 is formed of a resin pipe having a circular cross section and extends linearly. The diameter of the 2nd handrail part 18 is about 3.2 cm, for example, and is comprised in the thickness which the user 4 is easy to hold | grip with a hand. The second handrail portion 18 is stretched over the second recess 72 of the rotating portion 14 and extends along the longitudinal direction of the second end portion 14 b of the rotating portion 14.

  As shown in FIGS. 1 and 2, the second handrail portion 18 is lower than the first rotation shaft 58 and the second rotation shaft 68 in a state where the rotation portion 14 is in the first position. It is arranged on the side (minus side of the Z axis). At this time, the height of the second handrail portion 18 from the base 8 is, for example, 20 cm to 35 cm. As shown in FIG. 3, the second handrail portion 18 has a rear side (Y) with respect to the first rotation shaft 58 and the second rotation shaft 68 in a state where the rotation portion 14 is in the second position. (Positive side of the shaft)

  Note that the surface of the second handrail 18 is covered with, for example, a rubber or resin tube in order to prevent the hand 4 from slipping when the user 4 grips the second handrail 18 by hand. May be.

[1-7. Lock mechanism]
Next, the lock mechanism 20 will be described with reference to FIGS. 1 and 6. FIG. 6 is a perspective view showing the locking mechanism 20 of the auxiliary handrail 2 according to the first embodiment. For convenience of explanation, in FIG. 6, illustration of the surface opposite to the seat surface 74 in the thickness direction of the rotating portion 14 is omitted.

  The lock mechanism 20 is a mechanism for locking the rotating unit 14 at the first position or the second position. Locking the rotation unit 14 at the first position is to restrict the rotation of the rotation unit 14 from the first position to the second position when the rotation unit 14 is at the first position. Say. On the other hand, locking the rotation unit 14 at the second position means that the rotation of the rotation unit 14 from the second position to the first position is restricted when the rotation unit 14 is at the second position. To do.

  First, the configuration of the lock mechanism 20 will be described. As shown in FIG. 6, the lock mechanism 20 is disposed inside the rotation unit 14. The lock mechanism 20 includes a pair of lock pins 78 and 80, an operation lever 82, a pair of links 84 and 85, and a pair of links 86 and 87.

  Each of the pair of lock pins 78 and 80 is slidably supported in the direction indicated by arrows P and Q in FIG. Each of the pair of lock pins 78 and 80 penetrates both side surfaces in the width direction of the rotating portion 14 so as to be slidable. The distal end portion of the lock pin 78 is detachably engaged with a first hole (not shown) or a second hole (not shown) formed in the first rotation shaft 58. The tip of the lock pin 80 is detachably engaged with a third hole (not shown) or a fourth hole (not shown) formed in the second rotation shaft 68. Each of the pair of lock pins 78 and 80 is urged in a direction indicated by an arrow Q in FIG. 6 by, for example, a coil spring (not shown).

  A distal end portion of the lock pin 78 is engaged with a first hole formed in the first rotation shaft 58, and a distal end portion of the lock pin 80 is formed in the second rotation shaft 68. When engaged with the hole, the rotating portion 14 is locked in the first position. On the other hand, the tip of the lock pin 78 is engaged with a second hole formed in the first rotation shaft 58, and the tip of the lock pin 80 is formed in the second rotation shaft 68. When engaged with the four holes, the rotating portion 14 is locked in the second position.

  The operation lever 82 is a slide-type lever for releasing the restriction of the rotation of the rotation unit 14. The operation lever 82 is slidably supported in the direction indicated by arrows R and S in FIG. As shown in FIG. 1, the distal end portion of the operation lever 82 is disposed (exposed) on the peripheral edge portion of the first recess 70 of the rotating portion 14.

  The pair of links 84 and 85 are for interlocking the slide operation of the operation lever 82 and the slide operation of the lock pin 78. The pair of links 86 and 87 are for interlocking the slide operation of the operation lever 82 and the slide operation of the lock pin 80. One end portions of the links 84 and 86 are rotatably connected to the base end portion of the operation lever 82. The other end portions of the links 84 and 86 are rotatably connected to a pair of lock pins 78 and 80, respectively. In addition, each end portion of the links 85 and 87 is rotatably connected to the center portion in the longitudinal direction of the links 84 and 86, respectively. The other end portions of the links 85 and 87 are rotatably connected to the rotating portion 14. When the operation lever 82 slides in the direction indicated by the arrow R in FIG. 6, each of the pair of lock pins 78 and 80 slides in the direction indicated by the arrow P in FIG. 6 by the links 84, 85, 86 and 87. . On the other hand, when the operation lever 82 slides in the direction indicated by the arrow S in FIG. 6, each of the pair of lock pins 78 and 80 is moved in the direction indicated by the arrow Q in FIG. 6 by the links 84, 85, 86 and 87. Slide.

  Next, the operation of the lock mechanism 20 will be described. As an example, the operation of the lock mechanism 20 when the rotating unit 14 is rotated from the first position to the second position will be described.

  The user 4 (see FIG. 7A to be described later), for example, in a state where the thumb of the hand is hooked on the first handrail 16, another finger is hooked on the tip of the operation lever 82, and the operation lever 82 is pulled forward. 6 slid in the direction indicated by arrow R. Thereby, the tip portions of the pair of lock pins 78 and 80 slide in the direction indicated by the arrow P in FIG. 6, respectively, and the first hole and the second rotation formed in the first rotation shaft 58. It is pulled out from the third hole formed in the moving shaft 68. While the state where the operation lever 82 is pulled toward the front is maintained, the lock at the first position of the rotating portion 14 is released. The user 4 rotates the rotating unit 14 from the first position to the second position while maintaining the state where the operation lever 82 is pulled forward.

  In a state where the rotating unit 14 is in the second position, the user 4 releases his / her finger from the tip of the operation lever 82. As a result, the respective tip portions of the pair of lock pins 78 and 80 are slid in the direction indicated by the arrow Q in FIG. 6 by the biasing force of the coil spring, whereby the second rotation shaft 58 is formed on the second rotation shaft 58. The hole and the fourth hole formed in the second rotation shaft 68 are engaged. As a result, the rotating unit 14 is locked at the second position. At this time, the operating lever 82 slides in the direction indicated by the arrow S in FIG. 6 and returns to the original position (position shown in FIG. 6) by the biasing force of the coil spring.

[1-8. Third support column and fourth support column]
Next, the 3rd support | pillar part 22 and the 4th support | pillar part 24 are demonstrated, referring FIGS. 1-3. The third support column portion 22 and the fourth support column portion 24 are frames for supporting the plurality of third handrail portions 26a to 26c.

  As shown in FIGS. 1 to 3, the third support column 22 is erected on the upper end of the first support column 10 via the first rotation shaft 58. The fourth support column 24 is erected on the upper end portion of the second support column 12 via the second rotation shaft 68. Each of the 3rd support | pillar part 22 and the 4th support | pillar part 24 is formed with the metal pipe of circular cross section. In addition, each of the 3rd support | pillar part 22 and the 4th support | pillar part 24 is formed by extrusion molding etc. of metals, such as aluminum, for example.

  The third support column 22 has a first inclined portion 88 and a first vertical portion 90. As shown in FIGS. 1 and 2, the first inclined portion 88 is inclined with respect to the vertical direction from the upper end portion (first rotating shaft 58) of the first support column portion 10, and It extends in the direction of retreating from the rotating part 14 at the position. Note that the inclination angle of the first inclined portion 88 with respect to the vertical direction is, for example, about 30 °. The first vertical portion 90 extends in the vertical direction from the upper end portion of the first inclined portion 88.

  The fourth support column 24 has a second inclined portion 92 and a second vertical portion 94. As shown in FIGS. 1 and 2, the second inclined portion 92 is inclined with respect to the vertical direction from the upper end portion (second rotating shaft 68) of the second support column portion 12, and the first inclined portion 92. It extends in the direction of retreating from the rotating part 14 at the position. Note that the inclination angle of the second inclined portion 92 with respect to the vertical direction is, for example, about 30 °. The second vertical portion 94 extends in the vertical direction from the upper end portion of the second inclined portion 92.

[1-9. Third handrail part]
Next, the plurality of third handrail portions 26a to 26c will be described with reference to FIGS. Each of the plurality of third handrail portions 26a to 26c is a member that is gripped by the user 4 (see FIG. 7A described later) and assists the user 4 in various operations.

  As shown in FIGS. 1 to 3, each of the plurality of third handrail portions 26 a to 26 c is formed of a metal pipe having a circular cross section and extends linearly. Each of the plurality of third handrail portions 26a to 26c has a diameter of about 3.2 cm, for example, and is configured to have a thickness that can be easily gripped by the user 4 with his / her hand. The plurality of third handrail portions 26 a to 26 c are bridged between the first vertical portion 90 of the third column portion 22 and the second vertical portion 94 of the fourth column portion 24 in a ladder shape. Yes. That is, the plurality of third handrail portions 26a to 26c are arranged in this order from the top along the respective longitudinal directions of the first vertical portion 90 and the second vertical portion 94. Each of the plurality of third handrail portions 26a to 26c extends in the horizontal direction.

  The height of the uppermost third handrail portion 26a from the base 8 is, for example, 70 cm to 85 cm. In addition, it is suppressed that the head of the user 4 is accidentally pinched between a pair of adjacent third handrails 26a and 26b (or between a pair of adjacent third handrails 26b and 26c). Therefore, the arrangement | positioning space | interval of the some 3rd handrail part 26a-26c is comprised by the magnitude | size (for example, 120 mm or less) smaller than the magnitude | size of the user's 4 head.

  As shown in FIGS. 1 and 2, each of the uppermost third handrail portion 26 a and the middle third handrail portion 26 b has the first handrail in a state where the rotating portion 14 is in the first position. Arranged above the portion 16. On the other hand, the lowermost third handrail portion 26c is disposed below the first handrail portion 16 in a state where the rotating portion 14 is in the first position.

  Each surface of the plurality of third handrail portions 26a to 26c is used to prevent the hand 4 from slipping when the user 4 grips any of the plurality of third handrail portions 26a to 26c by hand. May be covered with a rubber or resin tube, for example.

[1-10. Example of using auxiliary handrail]
[1-10-1. Example of use 1]
Next, a usage example 1 of the auxiliary handrail 2 will be described with reference to FIG. 7A. FIG. 7A is a diagram for describing a usage example 1 of the auxiliary handrail 2 according to the first embodiment.

  As shown to FIG. 7A, in the usage example 1, the auxiliary handrail 2 is mounted in the floor surface 6 of the dirt 96 of the entrance in a house. Hereinafter, as a usage example 1, a case where the user 4 takes off the shoes 98 in the soil 96 and goes up to the bag 100 will be described.

  As shown in FIG. 7A, first, the user 4 rotates the rotating unit 14 from the first position to the second position, and then wears the shoe 98 and wears the seat surface 74 of the rotating unit 14. Sit on. At this time, the user 4 may use the plurality of third handrail portions 26a to 26c as the backrest. Thereafter, the user 4 takes off the shoes 98 on the base 8 and stands up while supporting his / her body by striking both hands against the pair of overhanging portions 76 of the rotating portion 14.

  Thereafter, the user 4 rotates the rotating unit 14 from the second position to the first position and locks it in the first position, and then grips the first handrail unit 16 by hand, Go up and go up to 框 100. At this time, the user 4 may hold the third handrail part 26a or 26b with his / her hand.

  In this usage example, the auxiliary handrail 2 is placed on the floor 6 of the dirt 96 at the entrance of the house, but may be placed on the floor 6 of a dressing room in the house, for example. In this case, the user 4 can attach and detach clothes, for example, while sitting on the seat surface 74 of the rotating unit 14.

[1-10-2. Example of use 2]
Next, a usage example 2 of the auxiliary handrail 2 will be described with reference to FIG. 7B. FIG. 7B is a diagram for explaining a usage example 2 of the auxiliary handrail 2 according to the first embodiment.

  As shown in FIG. 7B, in the usage example 2, the auxiliary handrail 2 is placed on the floor surface 6 of the living room in the house, and the rotating unit 14 is locked at the second position. Hereinafter, as a usage example 2, a case where the user 4 stands up from a state where the user 4 is seated on the floor 6 of the living room will be described.

  As shown in FIG. 7B, the user 4 can stand up from the floor 6 in the living room while sequentially holding the first handrail 16 and the third handrail 26a by hand. Thereby, the user 4 can stand up with a stable posture while moving his / her weight obliquely upward. Note that the user 4 may stand up while striking the seat surface 74 of the rotating unit 14.

[1-10-3. Example of use 3]
Next, a usage example 3 of the auxiliary handrail 2 will be described with reference to FIG. 7C. FIG. 7C is a diagram for explaining a usage example 3 of the auxiliary handrail 2 according to the first embodiment.

  As shown in FIG. 7C, in the usage example 3, the auxiliary handrail 2 is placed on the floor surface 6 of the bedroom in the house, and the rotating unit 14 is locked at the first position. Hereinafter, a case where the user 4 gets up from a lying state on a futon (not shown) laid on the floor surface 6 of the bedroom will be described as a usage example 3.

  As shown in FIG. 7C, the user 4 can easily get up by himself from the futon laid on the floor surface 6 of the bedroom while grasping the second handrail portion 18 by hand. At this time, as described above, since the second handrail portion 18 is disposed below the first rotation shaft 58 and the second rotation shaft 68, the user 4 is lying on the futon. Even in this state, the second handrail portion 18 can be easily grasped by hand.

[1-10-4. Example of use 4]
Next, a usage example 4 of the auxiliary handrail 2 will be described with reference to FIG. 7D. FIG. 7D is a diagram for describing a usage example 4 of the auxiliary handrail 2 according to the first embodiment.

  As shown in FIG. 7D, in the usage example 4, the auxiliary handrail 2 is placed on the floor surface 6 of the corridor in the house, and the rotating unit 14 is locked at the first position. Hereinafter, as a usage example 4, a case where the user 4 walks in the hallway will be described.

  As shown in FIG. 7D, the user 4 can walk (walk) along the corridor while holding the first handrail portion 16 by hand. Thereby, the user 4 can walk with a stable posture. At this time, the user 4 may grip the third handrail portion 26a with his / her hand according to the physique or posture.

[1-10-5. Example 5]
Next, a usage example 5 of the auxiliary handrail 2 will be described with reference to FIG. 7E. FIG. 7E is a diagram for describing a usage example 5 of the auxiliary handrail 2 according to the first embodiment.

  As shown in FIG. 7E, in the usage example 5, the auxiliary handrail 2 is placed on the floor surface 6 of the bedroom in the house, and the rotating unit 14 is locked at the first position. Hereinafter, as a usage example 5, a case where the user 4 stands up from the bed 102 installed in the bedroom will be described.

  As shown in FIG. 7E, a part of the base 8 of the auxiliary handrail 2 is inserted between the bed 102 and the floor surface 6. At this time, the first handrail portion 16 and the third handrail portions 26 a and 26 b are disposed on the side of the bed 102 and disposed above the bed 102. The first handrail 16 and the like are disposed in parallel to the end of the bed 102.

  The user 4 can raise his / her upper body on the bed 102 while holding the first handrail 16 with his / her hand while lying on the bed 102. Thereafter, the user 4 can stand up from the bed 102 while holding the first handrail 16 with his / her hand while sitting on the end of the bed 102. At this time, the user 4 may grip the third handrail portion 26a or 26b with his / her hand according to the physique or posture.

  In this usage example, the auxiliary handrail 2 is arranged on the side of the bed 102 so that the first handrail 16 and the like are parallel to the end of the bed 102, but the present invention is not limited to such an arrangement. For example, the auxiliary handrail 2 is set so that the first handrail 16 or the like is perpendicular to the end of the bed 102, that is, the long side of the base 8 is parallel to the end of the bed 102. It may be arranged beside the bed 102.

[1-10-6. Use Example 6]
Next, Usage Example 6 of the auxiliary handrail 2 will be described with reference to FIG. 7F. FIG. 7F is a diagram for describing a usage example 6 of the auxiliary handrail 2 according to the first embodiment.

  As shown in FIG. 7F, in the usage example 6, the auxiliary handrail 2 is placed, for example, on the floor surface 6 of the dirt 96 (see FIG. 7A) at the entrance of the house, and the rotating unit 14 is locked in the first position. Has been. The middle third handrail portion 26b is used, for example, as a hanger for hooking and hanging the umbrella 101, the cane 103, and the like.

  Thereby, even if it is a case where the user 4 (refer FIG. 7A) is not using the auxiliary handrail 2, the auxiliary handrail 2 can be used as a hanger for suspending an object. As a result, the versatility of the auxiliary handrail 2 can be enhanced.

  In this use example, the middle third handrail portion 26b is used as a hanger, but the uppermost third handrail portion 26a may be used as a hanger.

[1-11. effect]
As described above, the auxiliary handrail 2 of the present embodiment is erected on the base 8, the first support column 10 having the first rotation shaft 58, which is erected on the base 8, and the base 8, The second support column 12 having the second rotation shaft 68 and the first support shaft 58 and the second rotation shaft 68 are rotatably supported by the first support shaft 10 and the first support shaft 10. Rotation that rotates between a first position that rises along each of the two struts 12 and a second position that falls against each of the first struts 10 and the second struts 12 The first position of the rotating portion 14 when the rotating portion 14 is in the first position; the first handrail portion 16 provided at the first end portion 14a of the rotating portion 14; And a lock mechanism 20 for restricting the rotation from the first position to the second position. The first handrail 16 is arranged above the first rotation shaft 58 and the second rotation shaft 68 in a state where the rotation portion 14 is in the first position.

  According to this structure, since the rotation part 14 rotates between a 1st position and a 2nd position, the adjustment range of the height position from the base 8 of the 1st handrail part 16 becomes large. Thereby, the height position of the 1st handrail part 16 can be adjusted to the suitable height position according to the user's 4 physique and operation | movement. As a result, the user 4 can reliably hold the first handrail portion 16 by hand when performing operations such as getting up and walking. In addition, since the lock mechanism 20 is provided, when the user 4 grips the turning unit 14 in the first position by hand, the turning unit 14 unexpectedly moves from the first position to the second position. Can be prevented from rotating to the right.

  Further, the auxiliary handrail 2 includes a second handrail portion 18 provided at the second end portion 14 b opposite to the first end portion 14 a of the rotating portion 14. The second handrail portion 18 is disposed below the first rotation shaft 58 and the second rotation shaft 68 in a state where the rotation portion 14 is in the first position.

  According to this configuration, the height position of the second handrail portion 18 from the base 8 can be made relatively low in a state where the rotating portion 14 is in the first position. Thereby, for example, the user 4 can easily get up by himself / herself by holding the second handrail portion 18 with his / her hand lying in a futon laid on the floor surface 6.

  Further, the rotating portion 14 has a seat surface 74. The seat surface 74 is disposed on the upper surface of the rotating unit 14 in a state where the rotating unit 14 is in the second position.

  According to this configuration, the user 4 can be seated on the seat surface 74. Thereby, for example, the user 4 can attach and detach shoes 98 or clothes with a stable posture by sitting on the seat surface 74. Alternatively, for example, the user 4 can stand up with a stable posture from the state of being seated on the floor surface 6 while striking the seat surface 74 with his hand.

  Further, the rotating unit 14 has a pair of projecting portions 76 projecting from both sides of the seat surface 74 along the longitudinal direction of the first end portion 14a.

  According to this configuration, the user 4 can easily stand up from the state of being seated on the seating surface 74 while supporting his / her body by projecting both hands against the pair of overhang portions 76.

  Furthermore, the auxiliary handrail 2 includes a third support column 22 standing on the upper end of the first support column 10, a fourth support column 24 standing on the upper end of the second support column 12, and The third handrail part 26a (26b, 26c) is provided between the third support part 22 and the fourth support part 24.

  According to this structure, when the rotation part 14 exists in a 2nd position, the user 4 is the user's 4 of the 1st handrail part 16 and the 3rd handrail part 26a (26b, 26c). The handrail portion corresponding to the physique and movement can be gripped by hand.

  Further, the third handrail portion 26a (26b) is disposed above the first handrail portion 16 in a state where the rotating portion 14 is in the first position. In addition, the third handrail portion 26 c is disposed below the first handrail portion 16 in a state where the rotating portion 14 is in the first position.

  According to this configuration, since the height position of the first handrail part 16 and the height position of the third handrail part 26a (26b, 26c) are different, the user 4 can use the first handrail part 16 and the first handrail part 16 and the first handrail part 16a. Of the three handrail portions 26a (26b, 26c), the handrail portion corresponding to the physique and movement of the user 4 can be grasped by hand.

  Furthermore, the third support column 22 is inclined from the upper end of the first support column 10 with respect to the vertical direction, and extends in a direction of retreating from the rotating unit 14 at the first position. It has an inclined portion 88 and a first vertical portion 90 extending in the vertical direction from the first inclined portion 88. The 4th support | pillar part 24 inclines with respect to a perpendicular direction from the upper end part of the 2nd support | pillar part 12, and is the 2nd inclination part extended in the direction retracted | saved from the rotation part 14 in a 1st position. 92 and a second vertical portion 94 extending in the vertical direction from the second inclined portion 92.

  According to this configuration, when the rotation unit 14 is rotated from the second position to the first position, the rotation unit 14 may collide with the first vertical unit 90 and the second vertical unit 94. Can be suppressed.

  Furthermore, the rotation part 14 has the 1st recessed part 70 in which the 1st edge part 14a was formed and the 1st handrail part 16 was spanned. The lock mechanism 20 has an operation lever 82 that is disposed at the peripheral edge of the first recess 70 of the rotation unit 14 and for releasing the restriction of the rotation of the rotation unit 14.

  According to this configuration, since the operation lever 82 is disposed at the peripheral edge portion of the first recess 70 of the rotating portion 14, the operation lever 82 is used when the user 4 grips the first handrail portion 16 with his / her hand. It can suppress that 82 collides with the user's 4 hand. In addition, the user 4 can easily operate the operation lever 82 with another finger in a state where the thumb of the hand is hung on the first handrail 16, for example.

(Embodiment 2)
Next, the auxiliary handrail according to the second embodiment will be described.

[2-1. Overall configuration of auxiliary handrail]
The overall configuration of the auxiliary handrail 2A according to the second embodiment will be described with reference to FIGS. FIG. 8 is a perspective view showing the auxiliary handrail 2A according to Embodiment 2 in a state where the first support column 10 and the second support column 12 are attached to the first attachment position of the base 8A. FIG. 9 is a perspective view showing the auxiliary handrail 2A according to Embodiment 2 in a state where the first support column 10 and the second support column 12 are attached to the second attachment position of the base 8A. FIG. 10 is a perspective view showing the auxiliary handrail 2A according to Embodiment 2 in a state where the first support column 10 and the second support column 12 are attached to the third attachment position of the base 8A. In the following embodiments, the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  As shown in FIG. 8, in the auxiliary handrail 2A of the present embodiment, the configuration of the base 8A is different from that of the first embodiment. Specifically, a first attachment position, a second attachment position, and a third attachment position are defined on the upper surface of the base 8A. A first attachment portion 34a and a second attachment portion 36a are formed at the first attachment position. A first attachment portion 34b and a second attachment portion 36b are formed at the second attachment position. A first attachment portion 34c and a second attachment portion 36c are formed at the third attachment position. By removing the plurality of screws 38 (see FIG. 4) described in the first embodiment, the first support column 10 and the second support column 12 are moved to the first mounting position, the second mounting position, and the third mounting position. It can be changed to any of the mounting positions.

  The first mounting portion 34a and the second mounting portion 36a are arranged at an interval in the short side direction of the base 8A at a position that is biased toward one end in the long side direction of the base 8A. In the example illustrated in FIG. 8, the lower ends of the first support column 10 and the second support column 12 are respectively attached to the first attachment portion 34 a and the second attachment portion 36 a. For convenience of explanation, in FIG. 8, each of the first attachment portions 34b and 34c and the second attachment portions 36a and 36c is exposed to the outside without being covered with the circular cloth sheet. .

  The first attachment portion 34b and the second attachment portion 36b are arranged at a distance in the short side direction of the base 8A at the central portion in the long side direction of the base 8A. In the example shown in FIG. 9, the lower ends of the first support column 10 and the second support column 12 are respectively attached to the first attachment portion 34 b and the second attachment portion 36 b. In FIG. 9, each of the first attachment portions 34a and 34c and the second attachment portions 36a and 36c is covered with a circular cloth sheet.

  The first mounting portion 34c and the second mounting portion 36c are arranged at an interval in the long side direction of the base 8A at a position biased toward one end in the short side direction of the base 8A. In the example shown in FIG. 10, the lower ends of the first support column 10 and the second support column 12 are respectively attached to the first attachment portion 34 c and the second attachment portion 36 c. In FIG. 10, each of the first attachment portions 34a and 34b and the second attachment portions 36a and 36b is covered with a circular cloth sheet.

[2-2. effect]
As described above, in the auxiliary handrail 2A according to the present embodiment, the mounting positions of the first support column 10 and the second support column 12 on the base 8A are arbitrarily changed according to the use of the auxiliary handrail 2A. Can do.

(Embodiment 3)
Next, the auxiliary handrail according to the third embodiment will be described.

[3-1. Overall configuration of auxiliary handrail]
The overall configuration of the auxiliary handrail 2B according to Embodiment 3 will be described with reference to FIGS. 11 and 12. FIG. 11 is a perspective view showing the auxiliary handrail 2B according to the third embodiment in a state where the rotating portion 14B is in the first position. FIG. 12 is a perspective view showing the auxiliary handrail 2B according to the third embodiment in a state where the rotating portion 14B is in the second position.

  As shown in FIGS. 11 and 12, in the auxiliary handrail 2B of the present embodiment, the configuration of the rotating portion 14B is mainly different from that of the first embodiment, and the third embodiment described in the first embodiment. The support column 22, the fourth support column 24, the second handrail 18 and the plurality of third handrails 26a to 26c are not provided.

  Each of the 1st support | pillar part 10B and the 2nd support | pillar part 12B is formed with the cross-sectional rectangular metal pipe. The 1st support | pillar part 10B and the 2nd support | pillar part 12B are each attached to the 1st attaching part 34B and the 2nd attaching part 36B of the base 8B. As in the first embodiment, each of the first support column 10B and the second support column 12B can be expanded and contracted along the longitudinal direction thereof.

  A first rotation shaft 58B and a second rotation shaft 68B are disposed at the upper ends of the first support column 10B and the second support column 12B, respectively. The first rotation shaft 58B and the second rotation shaft 68B are connected to each other by a connecting portion 104 that extends linearly in the horizontal direction (X-axis direction).

  The rotating portion 14B includes a first arm 106, a second arm 108, and a handrail 110. One end of the first arm 106 is rotatably supported by the first rotation shaft 58B. One end of the second arm 108 is rotatably supported by the second rotation shaft 68B. The first arm 106 and the second arm 108 extend substantially parallel to each other. A first handrail 16B is bridged between the other ends of the first arm 106 and the second arm 108.

  The handrail portion 110 is formed in a substantially rectangular plate shape in plan view, and has an opening at the center. The handrail portion 110 is disposed in a region surrounded by the first arm 106, the second arm 108, and the first handrail portion 16B. The three sides of the handrail portion 110 are connected to the first arm 106, the second arm 108, and the first handrail portion 16B via the connection portion 112, respectively.

  The rotating unit 14B rotates between a first position (see FIG. 11) and a second position (see FIG. 12) around the first rotating shaft 58B and the second rotating shaft 68B. be able to. When the rotating portion 14B is in the first position, the rotating portion 14B rises in the vertical direction along each of the first support column portion 10B and the second support column portion 12B. Moreover, when the rotation part 14B exists in a 2nd position, it falls in a horizontal direction with respect to each of the 1st support | pillar part 10B and the 2nd support | pillar part 12B.

  As shown in FIG. 11, the first handrail portion 16B is located above the first rotation shaft 58B and the second rotation shaft 68B (Z-axis) in a state where the rotation portion 14B is in the first position. On the positive side). As shown in FIG. 12, the first handrail portion 16B is located on the front side (Y-axis) with respect to the first rotation shaft 58B and the second rotation shaft 68B in a state where the rotation portion 14B is in the second position. (Minus side of).

  Moreover, the rotation part 14B is locked in the 1st position or the 2nd position by the lock mechanism 20B arrange | positioned inside the 2nd rotation axis | shaft 68B. The lock mechanism 20B has an operation button 114 disposed on the side surface of the second rotation shaft 68B. This operation button 114 is a push-type button having the same function as the operation lever 82 described in the first embodiment. By pressing the operation button 114 toward the second rotation shaft 68, the restriction on the rotation of the rotation unit 14B is released.

  In this embodiment, the lock mechanism 20B is provided only on the second rotation shaft 68. However, the present invention is not limited to this, and the lock mechanism 20B may be provided only on the first rotation shaft 58B. You may provide in both the rotating shaft 58B and the 2nd rotating shaft 68B.

[3-2. effect]
In the auxiliary handrail 2B of the present embodiment, the following effects can be obtained. As shown in FIG. 11, in a state where the rotating portion 14B is in the first position, the user 4 (see FIG. 7A) can walk while holding the first handrail portion 16B with his / her hand, for example. As shown in FIG. 12, in a state where the rotating portion 14B is in the second position, the user 4 holds the first handrail portion 16B with his hand or the upper surface (seat of the handrail portion 110). You can stand up from a sitting posture while striking your hand on an example surface. Therefore, also in the present embodiment, the same effect as in the first embodiment can be obtained.

  In addition, the user 4 may be seated on the handrail portion 110 in a state where the rotating portion 14B is in the second position.

(Embodiment 4)
Next, the configuration of the auxiliary handrail 2C according to the fourth embodiment will be described with reference to FIG. FIG. 13 is a perspective view showing an auxiliary handrail 2C according to the fourth embodiment.

  As shown in FIG. 13, in the auxiliary handrail 2C of the present embodiment, the configuration of the uppermost third handrail portion 26Ca is different from that of the first embodiment. Specifically, both end portions in the longitudinal direction (X-axis direction) of the third handrail portion 26Ca protrude from the third column portion 22 and the fourth column portion 24 to the left and right outer sides, respectively.

  Thereby, since the area | region which can hold | grip the 3rd handrail part 26Ca can be enlarged, it can adapt to the various physiques, operation | movements, etc. of the user 4 (refer FIG. 7A).

(Embodiment 5)
Next, the configuration of the auxiliary handrail 2D according to the fifth embodiment will be described with reference to FIG. FIG. 14 is a perspective view showing an auxiliary handrail 2D according to the fifth embodiment.

  As shown in FIG. 14, in the auxiliary handrail 2D of the present embodiment, the configuration of the uppermost third handrail portion 26Da is different from that of the first embodiment. Specifically, as in the third embodiment, both end portions in the longitudinal direction of the third handrail portion 26Da protrude outwardly from the left and right sides of the third column portion 22 and the fourth column portion 24, respectively. . Furthermore, the third handrail portion 26Da is disposed to be inclined with respect to the horizontal direction (X-axis direction).

  Accordingly, the height position of the third handrail portion 26Da from the base 8 continuously changes from one end portion to the other end portion in the longitudinal direction of the third handrail portion 26Da, so that the user 4 (see FIG. 7A). ) Various physiques and movements.

(Embodiment 6)
Next, the structure of the auxiliary handrail 2E according to Embodiment 6 will be described with reference to FIG. FIG. 15 is a perspective view showing an auxiliary handrail 2E according to the sixth embodiment.

  As shown in FIG. 15, in the auxiliary handrail 2E of the present embodiment, the structure of the rotating portion 14E is different from that of the first embodiment. Specifically, a plurality of substantially L-shaped hooks 116 are attached to the surface opposite to the seat surface 74 (see FIG. 2) of the rotating portion 14E. Each of the plurality of hooks 116 can be hung by hooking a handbag 118 or the like, for example.

  Thereby, even if it is a case where the user 4 (refer FIG. 7A) is not using the auxiliary handrail 2E, the auxiliary handrail 2E can be used as a hanger for suspending an object. As a result, the versatility of the auxiliary handrail 2E can be enhanced.

(Modifications, etc.)
As mentioned above, although this invention was demonstrated based on Embodiment 1-6, this invention is not limited to said Embodiment 1-6.

  In each of the embodiments described above, the lock mechanism 20 (20B) locks the rotating unit 14 (14B, 14E) at either the first position or the second position, but is not limited thereto. The rotating unit 14 (14B, 14E) may be locked only at the first position. Alternatively, the lock mechanism 20 (20B) moves the rotating portion 14 (14B, 14E) to i) the first position, ii) the second position, and iii) between the first position and the second position. You may make it lock in either position.

  In addition, the form obtained by making various modifications conceived by those skilled in the art with respect to the above-described embodiment, or the form realized by arbitrarily combining the components and functions in the embodiment without departing from the gist of the present invention Are also included in the present invention.

2, 2A, 2B, 2C, 2D, 2E Auxiliary handrails 8, 8A, 8B Base 10, 10B First strut portion 12, 12B Second strut portion 14, 14B, 14E Rotating portion 14a First end portion 14b 2nd edge part 16, 16B 1st handrail part 18 2nd handrail part 22 3rd support | pillar part 24 4th support | pillar part 26a, 26b, 26c, 26Ca, 26Da 3rd handrail part 20, 20B lock mechanism 58, 58B 1st rotation axis 68, 68B 2nd rotation axis 70 1st recessed part (recessed part)
74 Seat surface 76 Overhang portion 82 Operation lever 88 First inclined portion 90 First vertical portion 92 Second inclined portion 94 Second vertical portion

Claims (8)

Base and
A first support column that is erected on the base and has a first rotation shaft;
A second strut portion standing on the base and having a second rotation axis;
A first position that is rotatably supported by each of the first rotation shaft and the second rotation shaft, and stands up along each of the first support column and the second support column; A rotating unit that rotates between a second position that falls with respect to each of the first supporting column unit and the second supporting column unit;
A first handrail portion provided at a first end of the rotating portion;
A locking mechanism for restricting the rotation of the rotating part from the first position to the second position when the rotating part is in the first position;
The first handrail portion is disposed above the first rotation shaft and the second rotation shaft in a state where the rotation portion is in the first position. The auxiliary handrail further includes a second handrail portion provided at a second end portion opposite to the first end portion of the rotating portion,
The second handrail portion is disposed below the first rotation shaft and the second rotation shaft in a state where the rotation portion is in the first position. Auxiliary handrail as described. The rotating part has a seating surface,
The auxiliary handrail according to claim 1 or 2, wherein the seating surface is disposed on an upper surface of the rotating unit in a state where the rotating unit is in the second position. The auxiliary handrail according to claim 3, wherein the rotating portion further includes a pair of protruding portions protruding from both sides of the seating surface along a longitudinal direction of the first end portion. The auxiliary handrail further includes:
A third support column erected on the upper end of the first support column;
A fourth support column erected on the upper end of the second support column;
The auxiliary handrail according to any one of claims 1 to 4, further comprising: a third handrail portion spanned between the third support post portion and the fourth support post portion. The auxiliary handrail according to claim 5, wherein the third handrail portion is disposed above or below the first handrail portion in a state where the rotating portion is in the first position. The third support column is
A first inclined portion that is inclined with respect to a vertical direction from the upper end portion of the first support column portion and extends in a direction of retreating from the rotating portion at the first position;
A first vertical portion extending in the vertical direction from the first inclined portion,
The fourth support column is
A second inclined portion that is inclined with respect to the vertical direction from the upper end portion of the second support column portion and extends in a direction of retreating from the rotating portion at the first position;
The auxiliary handrail according to claim 5, further comprising: a second vertical portion extending in the vertical direction from the second inclined portion. The rotating portion has a recess formed at the first end portion and spanning the first handrail portion;
The said locking mechanism is arrange | positioned at the peripheral part of the said recessed part of the said rotation part, and has an operation lever for canceling | regulating the rotation control of the said rotation part. Auxiliary handrail.

Images