JP4976019B2 - Bath lift device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lift device for bathing, which easily moves a bathing person to the inside or outside of the main body of a bathtub, enables the repeated movement of a chair part freely with a simple operation by easier positioning of the chair part, and further facilitates the positioning of the chair part to match the purposes of application by automatically locking the chair part at the subsequent locking position while retaining means maintain the release of retention to the position still after the releasing operation for it is turned off. <P>SOLUTION: The lift device for bathing is provided with a first retaining means which elastically locks the oscillation between a support arm and an oscillation arm and a second retaining means which elastically locks the oscillation between the oscillation arm and the chair part. When one retaining means releases its retention, either the other retaining means does. Even if they are oscillated once the locking is released, the release of the locking can be maintained up to the subsequent locking position still after the releasing operation is turned off, while the other retaining means can maintain the release of its retention free from the locking by one retaining means. <P>COPYRIGHT: (C)2007,JPO&amp;INPIT

Description

  The present invention relates to a lift device for bathing, and is used when a physically handicapped person, an elderly person with weak legs and the like, etc. take a bath.

  As another conventional lift device for bathing, a support column is installed on the wall of the bathtub body, a support arm is installed on the top of the support column, and a swing arm is swingably connected to the tip of the support arm. The chair portion is suspended in a swingable state at the tip of the swing arm so that a bather is seated on the chair portion and the swing arm swings with respect to the support arm. There is also one that moves the bather in and out of the bathtub main body by swinging the sway with respect to the swing arm (Japanese Patent No. 3053158).

Japanese Patent No. 3053158

  However, in the conventional bathing lift apparatus, the connecting portion between the support arm and the swing arm and the connecting portion between the swing arm and the chair portion are provided swingably, so that the chair portion As a result, the caregiver has the inconvenience that it takes time to move the bather in and out of the bathtub body and it is difficult to improve the efficiency of the bathing operation.

  An object of the present invention is to eliminate these disadvantages.

In order to eliminate the inconvenience, in the bath lift apparatus according to the present invention, a support unit is installed in the vicinity of the outside of the side wall of the bathtub body, and the support unit has a support and a support arm at the top of the support. Installed, connected to the tip of this support arm via a first shaft body so that the swinging arm can swing, and the chair part can swing to the tip of this swinging arm via the second shaft body The swinging arm is swingable with respect to the support arm, and the chair portion is swingable with respect to the swinging arm so that the chair portion can be moved in and out of the bathtub body. In addition, first locking means for elastically locking the swing of the support arm and the swing arm at an appropriate position is provided, and the swing of the swing arm and the chair portion is elastic at an appropriate position. Second locking to lock on In the bathing lift apparatus provided with a step, the first locking means fixes the first fixing plate to the support arm, forms a first locking hole in the first fixing plate, and sets the first locking plate to the swing arm. One locking tool is installed, and when the swinging arm swings with respect to the support arm and the first locking tool reaches the position of the first locking hole, the first locking tool is It is elastically entered by one compression spring and locks rocking,
And the second locking means fixes a second fixing plate to the swing arm, forms a second locking hole in the second fixing plate, and installs a second locking tool on the chair portion, When the chair portion swings with respect to the swing arm and the second locking device reaches the position of the second locking hole, the second locking device elastically enters by the second compression spring. To lock the swing, and
By installing an operation lever at the upper end of the chair portion and operating the operation lever, the first locking member of the first locking means is first against the first compression spring via the traction means. When releasing from the locking hole and releasing the second locking tool of the second locking means against the second compression spring from the second locking hole and turning off the release operation of the operation lever Each of the first locking members is elastically entered by the first compression spring when the first locking hole reaches the position of the first locking hole, and the second locking tool is positioned at the position of the second locking hole. When it reaches, the second compression spring is elastically entered so that it can be locked.

Since the bathing lift device according to the present invention is configured as described above, that is, a column unit is installed near the outside of the side wall of the bathtub body, and this column unit has a column and is supported on the top of the column. An arm is installed, and a swing arm is slidably connected to the tip of the support arm via the first shaft, and the chair portion can be swinged to the tip of the swing arm via the second shaft. The chair part is moved in and out of the bathtub body by allowing the swinging arm to swing with respect to the support arm and swinging the chair part with respect to the swinging arm. And a first locking means that elastically locks the swing of the support arm and the swing arm at an appropriate position, and allows the swing arm and the chair portion to swing at an appropriate position. Second locking to lock elastically In the bathing lift apparatus provided with a step, the first locking means fixes the first fixing plate to the support arm, forms a first locking hole in the first fixing plate, and sets the first locking plate to the swing arm. One locking tool is installed, and when the swinging arm swings with respect to the support arm and the first locking tool reaches the position of the first locking hole, the first locking tool is It is elastically entered by one compression spring and locks rocking,
And the second locking means fixes a second fixing plate to the swing arm, forms a second locking hole in the second fixing plate, and installs a second locking tool on the chair portion, When the chair portion swings with respect to the swing arm and the second locking device reaches the position of the second locking hole, the second locking device elastically enters by the second compression spring. To lock the swing, and
By installing an operation lever at the upper end of the chair portion and operating the operation lever, the first locking member of the first locking means is first against the first compression spring via the traction means. When releasing from the locking hole and releasing the second locking tool of the second locking means against the second compression spring from the second locking hole and turning off the release operation of the operation lever Each of the first locking members is elastically entered by the first compression spring when the first locking hole reaches the position of the first locking hole, and the second locking tool is positioned at the position of the second locking hole. When the first locking spring is reached, the first compression spring is elastically entered so as to be able to be locked. This swing can be locked by means and the chair portion is It is possible to lock this swinging by the second locking means at an appropriate position by swinging the arm. By simultaneously operating the operation lever, the swing arm can be swung with respect to the support arm, and the chair portion can be swung with respect to the swing arm. In addition, when the release operation of the operation lever is turned off, each of them independently engages in a state where the swing of the swing arm with respect to the support arm can be locked and swing of the chair portion with respect to the swing arm. It can be in a state that can be stopped.

    Therefore, if this lift device for bathing is used, the swinging arm can be fixed to the support arm and the chair portion can be fixed to the swinging arm. The caregiver can easily move the bather in and out of the bathtub body. Further, by releasing the operation lever, the swing arm can swing with respect to the support arm and the chair portion can swing with respect to the swing arm. The chair part can be freely moved again with a simple operation. Further, after the start of swinging, when the release operation of the operation lever is turned off, the swinging of the swinging arm with respect to the support arm can be locked independently and the swinging of the chair portion with respect to the swinging arm. The movement can be automatically locked again, and the chair portion can be easily positioned according to the purpose.

  The bathing lift device according to the present invention is provided with first locking means for elastically locking the swing of the support arm and the swing arm and elastically locking the swing of the swing arm and the chair portion. The second locking means is provided, and when one of the locking means is released against elasticity, the other locking means is also released. Even if it is turned OFF, the most important feature is that the unlocked state can be maintained until the next locked state.

  Embodiments of the present invention will be described below with reference to the drawings.

  1 is a perspective view of a lift device for bathing according to the present invention, FIG. 2 is a side view, FIG. 3 is a sectional view taken along arrow III in FIG. 2, FIG. 4 is a sectional view taken along line IV-IV in FIG. 6 is an enlarged sectional view taken along arrow VI in FIG. 5, FIG. 7 is a sectional view taken along arrow VII in FIG. 5, FIG. 8 is an enlarged sectional view taken along line VIII in FIG. FIG. 10 is a view taken in the direction of the arrow X in FIG. 8, and FIG. 11 is a view showing a state in which the slide type footrest of the chair portion is extended.

  1-4, 10 is a bathtub main body, 11 is a back wall part (it corresponds to the "side wall part" of this invention) of this bathtub main body 10. In FIG. U is a support unit, which is installed on the outer wall surface of the back wall 11. The support unit U is formed in a casing shape. M is a motor of the column unit U, and is fixed to a frame (not shown) in the casing. A is an actuator and is configured integrally with the motor M. The actuator A is positioned substantially vertically, and the advance / retreat rod 15 is advanced / retracted by the rotation of the motor M (see FIG. 4).

  Next, reference numeral 20 denotes a bottomed cylindrical column that is externally fitted to the actuator A so as to be able to advance and retreat in an inverted state. Reference numeral 21 denotes a bottom portion, which is located at an upper portion of the column 20. A shaft hole 22 is formed in the bottom portion 21. This support | pillar 20 is located in the approximate center of the back wall part of the said bathtub main body 10 (refer FIG.1, FIG.3 and FIG.4).

  Next, reference numeral 30 denotes a rotating cylinder, which is rotatably fitted on the bottom 21 of the support column 20. The rotating cylinder 30 is locked to an outer peripheral step portion of the support column 20.

  Reference numeral 23 denotes a connecting rod, which is disposed in the column 20. The lower end of the connecting rod 23 is swingably connected to the tip of the advance / retreat rod (actuator A) 15 and extends in a substantially vertical direction. Reference numeral 24 denotes a fixing bolt portion, which is integrally formed above the connecting rod 23. The fixing bolt portion 24 passes through the shaft hole (at the bottom 21 of the support column 20) 22 and passes through the pressing plate 25 and is fastened with a nut. Thus, the support rod 23 is fixed to the shaft hole (at the bottom 21 of the support column 20) 22 so that the support column 20 can be moved up and down by the operation of the actuator A. The pressing plate 25 prevents the rotating cylinder 30 from falling off.

  The column unit U of the present invention includes the motor M, the actuator A, the advance / retreat rod 15, the column 20, the rotary cylinder 30, and the connecting rod 23.

  The support unit U can also form the casing integrally with the bathtub body 10.

  B is a support arm, which protrudes from the outer peripheral surface of the rotary cylinder 30 by welding. The support arm B extends substantially horizontally, and its tip reaches the vicinity of both side walls of the bathtub body 10. Reference numeral 31 denotes a mounting hole, which is formed on the side wall portion of the rotating cylinder 30 on the side opposite to the root portion of the support arm B (see FIG. 3). A locking tool 32 is installed in the mounting hole 31 in a state of being pressed in the axial direction by the compression spring 33. On the other hand, reference numerals 26 and 27 denote locking holes, which are formed on the outer peripheral surface of the bottom portion (of the support column 20) 21. These locking holes 26 and 27 are located on both sides along the back wall portion of the bathtub body 10. For this reason, when the rotating cylinder 30 rotates around the bottom part (of the support column 20) 21 and the support arm B is positioned along the back wall part of the bathtub body 10 (state of FIG. 3), The locking tool 32 reaches the position of the locking hole 26 and elastically enters to make it impossible to rotate the rotary cylinder 30.

    Further, when the locking tool 32 is pulled outward to release the locked state, the support arm B is turned and positioned on the opposite side along the back wall of the bathtub body 10 (see FIG. 3). The locking tool 32 reaches the position of the locking hole 27 and enters elastically so that the rotating cylinder 30 cannot be rotated. At this time, the swing of the position of the support arm B is locked in a state in which the position of the support arm B is turned approximately 180 degrees from the state of FIG.

  In FIG. 1, C is a cover cylinder covering the support column 20 and is fixed to the back wall 11.

  Next, in FIGS. 1 to 4, D is a swing arm and is swingably connected to the support arm B. The swing arm D extends obliquely downward, and the tip is formed vertically and faces downward. Further, E is a chair portion, and is swingably connected to the swing arm D.

    5 to 7, reference numeral 40 denotes a first fixing plate (disc shape), which is welded to the lower surface of the front end of the support arm B. The first fixing plate 40 is positioned horizontally. Reference numeral 41 denotes a first shaft body, which is welded and fixed to the first fixing plate 40 while penetrating the first fixing plate 40. The first shaft body 41 extends in the vertical direction, and the upper end passes through the support arm B. Reference numeral 50 denotes a rotating cylinder, which is rotatably fitted on the first shaft body 41 via bearings 51 and 51. The first shaft body 41 passes through the bottom plate 52 of the rotary cylinder 50, and a thrust bearing 53 is bolted to the bottom plate 52. Therefore, the rotating cylinder 50 can smoothly rotate around the first shaft body 41. Reference numeral 54 denotes a rotating plate (disc shape), which is welded to the outer periphery of the upper end of the rotating cylinder 50 in a bowl shape. The diameter of the rotating plate 54 substantially matches the first fixed plate 40.

    Next, reference numeral 55 denotes a mounting hole, which is formed on the side of the peripheral wall portion of the rotating plate 54 opposite to the root portion of the swing arm D (see FIG. 5). A first locking member 56 is installed in the mounting hole 55 in a state of being pushed in the locking direction by the first compression spring 57. On the other hand, 45, 46 and 47 are first locking holes, which are formed on the lower surface of the first fixing plate 40 with appropriate intervals. When the rotary cylinder 50 rotates around the first shaft body 41 and the swing arm D is located outside the bathtub body 10 (in the state indicated by the solid line in FIG. 3), the first engagement The stopper 56 reaches the position of the first locking hole 45 and elastically enters to lock the rotation of the rotating plate 54 and thus the rotating cylinder 50.

  Further, when the first locking device 56 is released from the locked state by pulling the operation cable P downward, the swing arm D is turned and positioned in the bathtub body 10 (virtual view of FIG. 3). Line state), the first locking device 56 reaches the position of another first locking hole 46, and elastically enters to lock the rotation of the rotating plate 54 and thus the rotating cylinder 50. At this time, the position of the swing arm D is locked to rotate in the state of the phantom line in FIG. The first locking hole 47 is used when the swing arm D turns in the direction of the arrow and stops at an appropriate position outside the bathtub body 10.

    The first fixing plate 40, the first locking holes 45, 46, 47, the first locking tool 56, and the first compression spring 33 correspond to the “first locking means” of the present invention.

  Next, in FIGS. 8 to 10, reference numeral 60 denotes a second fixed plate (disc shape), which is welded to the tip surface of the swing arm D. The second fixing plate 60 is positioned horizontally. Reference numeral 61 denotes a second shaft body, which is welded and fixed to the second fixing plate 60 while penetrating the second fixing plate 60. The second shaft body 61 extends downward in a vertical state. Reference numeral 70 denotes a rotating cylinder that is rotatably fitted on the second shaft body 61. The second shaft 61 passes through the bottom plate 72 of the rotary cylinder 70, and a thrust bearing 73 is bolted to the bottom plate 72. For this reason, the rotary cylinder 70 can smoothly rotate around the second shaft body 61. Reference numeral 74 denotes a rotating plate (disc shape), which is welded to the outer periphery of the upper end of the rotating cylinder 70 in a bowl shape. The diameter of the rotating plate 74 substantially matches the second fixed plate 60.

    Next, 80 is a hanger, which is welded to both side surfaces of the rotary cylinder 70. The hanging tool 80 has a ladder shape and extends downward while inclining obliquely forward. And the chair part E is attached to the lower end so that attachment or detachment is possible. Reference numeral 81 denotes an operating tool, which is welded to the back surface of the hanging tool 80. The operation tool 81 is U-shaped and protrudes to the back side. By holding the operation tool 81, the caregiver can perform the movement operation of the chair portion E. 82 is a slide type footrest, and is installed in the front edge of the said chair part E so that entrance / exit is possible. The sliding footrest 82 supports the bather's extended legs in the extended state (see FIG. 11).

  In addition, as said chair part E, the thing with a trolley | bogie can also be used.

  Next, 75 is an attachment hole, which is formed on the back side of the chair portion E in the peripheral wall portion of the rotating plate 74 (see FIG. 9). A second locking member 76 is installed in the mounting hole 75 in a state where it is pushed in the locking direction by the second compression spring 77. On the other hand, 65, 66, 67, 68 and 69 are second locking holes, which are formed on the lower surface of the second fixing plate 60 with an appropriate interval. And the said rotation cylinder 70 rotates the circumference | surroundings of the said 2nd shaft 61, and the said chair part E is a bathing state in the said bathtub main body 10 (state which the chair part E turned the back wall of the bathtub main body 10 back). 3 (the state of the phantom line in FIG. 3), the second locking member 76 reaches the position of the second locking hole 65 and elastically enters to move the rotating plate 74 and thus the rotating cylinder 70. Is impossible to rotate.

    The second fixing plate 60, the second locking holes 65, 66, 67, 68, 69, the second locking tool 76 and the second compression spring 77 are the “second locking means” of the present invention. Is equivalent to.

    Reference numeral 78 denotes an operation lever which is installed on the outer surface of the rotary cylinder 70 so as to be swingable. The rear end of the second locking member 76 is connected to the operation lever 78 via a bracket 79. Therefore, when the operation lever 78 is swung downward, the locked state of the second locking tool 76 is released. In this state, if the chair portion E is turned and the direction thereof is changed, the second locking member 76 reaches the position of the other second locking holes 66, 67, 68, 69 and enters elastically. Thus, the rotation of the rotating plate 74 and the rotating cylinder 70 is locked. At this time, since the position of the chair part E can turn the front side by 180 degrees, the bather can easily sit on the chair part E. The operating lever 78 returns to the original state (locked state) as the second locking member 76 enters by the second compression spring 77.

  By the way, the rear end of the operation cable P is hooked on the operation lever 78. For this reason, when the operation lever 78 is swung in a direction in which the second locking tool (chair portion E) 76 is released, at the same time, the operation cable P is pulled and the first locking tool (swing) 56) of the moving arm D is also released. That is, since the two locking points can be released by one operation, the caregiver is easy to operate. In particular, the operation lever 78 is more convenient because it is located in the vicinity of the operation tool 81 that is always held by the caregiver.

    Since the operation cable P is merely hooked on the operation lever 78, even if the operation lever 78 returns to its original state, it is not pulled (in the locking direction) accordingly, When the first locking device 56 of the swing arm D is in the locked state, it is pulled and returned to the original state (the state of FIG. 5). Therefore, after positioning the chair E with respect to the swing arm D, the swing arm D can be positioned with respect to the support arm B. That is, the caregiver swings from the hand of the operation lever 78. Since it can fix, the positioning of the chair part E with respect to the support arm B is easy.

  When using this lift device, first, the support arm B is fixed to the state shown in FIG. Then, the first locking device 56 is advanced into the first locking hole 45 to fix the swing arm D to the support arm B in the state shown in FIG. 3 is fixed to the swing arm D in the state shown in FIG.

  In this state, as shown in FIG. 2, the bather is seated on the chair portion E and fixed with the tightening belt 83. Thereafter, the motor M is driven to raise the support column 20 until the chair portion E reaches the height of the bathtub body 10 or more. In this state, the operation lever 78 is swung downward, the first locking tool 56 is released from the first locking hole 45, and the second locking tool 76 is released from the second locking hole 65. .

  In this released state, the caregiver moves into the bathtub body 10 while suspending the chair portion E by holding the operation tool 81 of the chair portion E. At this time, the caregiver extends the slide type footrest 82 of the chair portion E, and places the bather's legs (see FIG. 11).

  In this state, the side wall surface of the bathtub body 10 is exceeded. After the chair portion E is moved into the bathtub body 10, the second locking member 76 is elastically advanced into the second locking hole 66 to fix the chair portion E to the swing arm D, and The first locking tool 56 is elastically advanced into the first locking hole 46 to fix the swing arm D to the support arm B.

  In this state, the motor M is driven to lower the support column 20 until the chair portion E reaches the bottom in the bathtub body 10. In this state, the bather can take a bath.

  After bathing, the motor M is driven to raise the support column 20 until the chair portion E reaches the height of the bathtub body 10 or more. In this state, the operation lever 78 is swung downward, the first locking device 56 is released from the first locking hole 46, and the second locking device 76 is moved from the second locking hole 66. To release.

    In this released state, the caregiver moves to the outside of the bathtub main body 10 while hanging the chair portion E by holding the operation tool 81 of the chair portion E. After the chair portion E is moved out of the bathtub body 10, the second locking member 76 is advanced into the second locking hole 65 to fix the chair portion E to the swing arm D, and The first locking tool 56 is elastically advanced into the first locking hole 45 to fix the swing arm D to the support arm B.

    In this state, the motor M is driven, and the column 20 is lowered until the bather's feet reach the floor surface of the chair portion E. And a caregiver pushes in the said slide type footrest 82 of the said chair part E, and makes a bather's leg part an original state (state of FIG. 2). And it can leave | separate from the bather's chair part E by canceling | releasing the fastening belt 83. FIG.

    In the present invention, if the one locking means is a second locking means for locking the swing of the chair portion with respect to the swing arm, for a caregiver operating while gripping the chair portion, Since the operation part (for the release operation) is located in the vicinity thereof, the chair part can be easily moved.

    Further, in this case, if the locking operation of the second locking means is performed in preference to the locking operation of the first locking means, the swing of the chair portion with respect to the swing arm is locked. Since the swing of the swing arm with respect to the support arm can be maintained later and can be locked at an appropriate position, the caregiver can fix the swing from the hand of the operation lever 78. The chair portion E is easily positioned with respect to the support arm B.

  In addition, if the said support | pillar unit is installed in the outer wall part of the said bathtub main body, since the existing bathtub main body can be used as it is, the use value improves further.

  In addition, if the said support | pillar unit is provided integrally with the wall part of the said bathtub main body, the said lift apparatus for bath itself will become compact, and will be easy to install.

Since this invention is easy to position a chair part for a caregiver, this invention can be utilized when moving a chair part to a bathtub main body.

FIG. 1 is a perspective view of a bath lift apparatus according to the present invention. FIG. 2 is a side view. 3 is a view taken in the direction of arrow III in FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. FIG. 5 is an enlarged cross-sectional view of a portion V in FIG. FIG. 6 is a view taken along arrow VI in FIG. FIG. 7 is a view taken along arrow VII in FIG. FIG. 8 is an enlarged sectional view of a portion VIII in FIG. FIG. 9 is a view taken along arrow IX in FIG. FIG. 10 is a view taken in the direction of arrow X in FIG. FIG. 11 is a view showing a state in which the slide-type foot rest of the chair portion is extended.

A
... Actuator B ... Support arm C ... Cover tube D ... Swing arm E ... Chair part M ... Motor U ... Post unit P ... Operation cable
10… Bathtub body
11… Back wall (side wall)
15… Advance rod

20… Prop
21… Bottom (of the column)
22… Shaft hole
23… Connecting rod
24… Fixing bolt
25… Presser plate
26… Locking hole (for support)
27… Locking hole (for support)
30… Rotating cylinder (for support)
31… Mounting hole
32… Locking device (support arm)
33… Compression spring
40… first fixing plate (support arm) (first locking means)
41… 1st shaft body (of swing arm)
45… first locking hole (for swing arm) (first locking means)
46… first locking hole (for swing arm) (first locking means)
47… first locking hole (for swing arm) (first locking means)
50… Rotating cylinder (of swing arm)
51… Bearing
52… Bottom plate (of rotating cylinder 50)
53… Thrust bearing
54… Rotating plate (of rotating cylinder 50)
55… Mounting hole (for rotating plate 54)
56… 1st locking device (of swing arm) (1st locking means)
57… 1st compression spring (1st locking means)
60 ... Second fixing plate (of swing arm) (second locking means)
61… Second shaft (chair)
65… second locking hole (for chair) (second locking means)
66… second locking hole (for chair) (second locking means)
67… second locking hole (for chair) (second locking means)
68… second locking hole (for chair) (second locking means)
69… second locking hole (for chair) (second locking means)
70… Rotating tube (chair)
72… Bottom plate (of rotating cylinder 70)
73… Thrust bearing
74… Rotating plate (of rotating cylinder 70)
75… Mounting hole (for rotating plate 74)
76 ... Second locking device (chair part) (second locking means)
77… Second compression spring (second locking means)
78… Control lever
79… Bracket
80… Suspension
81… Operation tool
82… Sliding footrest
83… Tightening belt

Claims (1)

The post unit is placed near the outside of the side wall portion of the tub body, the post unit has established the support arm with the upper part of the strut has a strut, the swing arm to the distal end of the support arm via a first shaft The chair portion is suspended in a swingable state via the second shaft body at the tip of the swing arm so that the swing arm can swing relative to the support arm. And swinging the chair portion with respect to the swing arm so that the chair portion can be moved in and out of the bathtub body, and swinging of the support arm and the swing arm can be performed at an appropriate position. in the bath lift device having a second locking means for locking elastically with appropriate position the swing of the swing arm and the seat part with elastically provided first locking means for locking said first One locking means is the support arm. The first fixing plate is fixed to the first fixing plate, a first locking hole is formed in the first fixing plate, and the first locking tool is installed in the swing arm, and the swing arm swings with respect to the support arm. Then, when the first locking tool reaches the position of the first locking hole, the first locking tool elastically enters by the first compression spring to lock the swinging,
And the second locking means fixes a second fixing plate to the swing arm, forms a second locking hole in the second fixing plate, and installs a second locking tool on the chair portion, When the chair portion swings with respect to the swing arm and the second locking device reaches the position of the second locking hole, the second locking device elastically enters by the second compression spring. To lock the swing, and
By installing an operation lever at the upper end of the chair portion and operating the operation lever, the first locking member of the first locking means is first against the first compression spring via the traction means. When releasing from the locking hole and releasing the second locking tool of the second locking means against the second compression spring from the second locking hole and turning off the release operation of the operation lever Each of the first locking members is elastically entered by the first compression spring when the first locking hole reaches the position of the first locking hole, and the second locking tool is positioned at the position of the second locking hole. The bathing lift device is characterized in that when it reaches the point, it is elastically entered by the second compression spring to be locked .

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