JP5755284B2 - Transfer support device - Google Patents

Description

  The present invention relates to a technology of a transfer support apparatus that supports transfer of a cared person.

  Conventionally, the technique of the transfer assistance apparatus which assists a care receiver's transfer is publicly known. For example, as described in Patent Document 1.

  Patent Document 1 includes a movable carriage, a body holder that is tiltable with respect to the carriage, and that holds the upper body of the care recipient, and a seating portion that is movable back and forth and up and down with respect to the carriage. A transfer support apparatus is described.

  In such a transfer support device, by combining the tilting of the body holding device and the movement of the seating part back and forth and up and down, the load on the care receiver when the cared person gets on and off the transfer support device is increased. Can be reduced.

  However, in the technique described in Patent Document 1, the seated part on which the cared person sits cannot be attached to or detached from the carriage, so that the cared person moves the cared person's body in order to sit on the seated part. It is necessary to let For example, even if the seating section is adjusted to the same height as the bed on which the cared person is seated and moved to the side of the bed, the cared person needs to be moved from the bed onto the seating section. Therefore, the work burden is placed on the care recipient and the caregiver.

JP 2011-92324 A

  The present invention has been made in view of the situation as described above, and a problem to be solved is to provide a transfer support apparatus capable of easily transferring a cared person.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

  That is, according to the first aspect of the present invention, there is provided a movable carriage unit and a boarding unit supported by the carriage unit and capable of carrying a cared person, and the cared person is placed on the boarding part and moved. By doing so, it is a transfer support device that supports the transfer of the cared person, and the boarding unit includes a seating part having a detachable seat surface in a state where the cared person is seated.

  In Claim 2, the said boarding part is equipped with the upper body holding | maintenance part which can hold | maintain the upper body of the cared person seated on the said seating part, and the said upper body holding part inclines, and the said cared person's body weight is inclined. Can be supported without depending on the seating portion.

  According to a third aspect of the present invention, the seat portion can be tilted together with the upper body holding portion.

  In Claim 4, the boarding part tilting mechanism which inclines the said boarding part is provided, and the said boarding part tilting mechanism slides with respect to the said 1st support part and the 1st support part fixed to the said trolley | bogie part. A second support part that is pivotally connected to the riding part and capable of moving a pivot center of the riding part by sliding relative to the first support part; A connecting rod that is rotatably connected to the first support part and the riding part, and restrains movement of the riding part; an actuator that slides the second support part relative to the first support part; It comprises.

  As effects of the present invention, the following effects can be obtained.

  In claim 1, the cared person can be easily transferred by attaching and detaching the seating surface on which the cared person is seated.

  In Claim 2, it becomes easy to attach or detach the clothes worn on the lower body of the cared person by inclining the upper body holding part. Furthermore, the clothes can be easily attached and detached by removing the seating surface in this state.

  In Claim 3, when inclining an upper body holding | maintenance part, it can make it difficult to apply a load to a cared person's body.

  In Claim 4, the inclination-angle of the riding part with respect to the sliding distance of a 2nd support part can be enlarged. Thereby, the total length of the actuator can be shortened, and the riding section tilting mechanism can be made compact.

The perspective view which showed the whole structure of the transfer assistance apparatus which concerns on one Embodiment of this invention. Similarly, side view. The side view which showed a mode that a boarding part went up and down. The side view which showed a mode that a boarding part inclined. (A) The schematic diagram which showed a mode that the cared person sat down on the seat surface removed. (B) The schematic diagram which showed a mode that the seat surface was attached to the transfer assistance apparatus. (A) The schematic diagram which showed a mode that the care receiver was moved by the transfer assistance apparatus. (B) The schematic diagram which showed a mode that a boarding part was tilted. (A) The schematic diagram which showed the modification of the transfer assistance apparatus. (B) The schematic diagram which showed the other modification similarly. (C) The schematic diagram which showed the other modification similarly.

  Hereinafter, description will be made by defining the front-rear direction, the left-right direction, and the up-down direction based on the arrows in the figure.

  First, the outline of the transfer support apparatus 1 which is one embodiment of the transfer support apparatus according to the present invention will be described with reference to FIGS. 1 to 4.

  The transfer support device 1 moves with a cared person (a person who receives care), thereby moving the cared person (for example, transfer between a bed and a toilet, transfer between a bed and a wheelchair, or a transfer support device). 1) and the like. The transfer support apparatus 1 mainly includes a carriage unit 10, a riding unit tilting mechanism 20, and a riding unit 30.

  The cart unit 10 is configured to be movable on the ground (floor surface). The carriage unit 10 is provided with a riding part 30 via a riding part tilting mechanism 20. The boarding section 30 is provided with a seating section 34 on which a cared person sits and an upper body holding part 35 that holds the upper body of the cared person. The seat part 34 and the upper body holding part 35 are movable up and down (height adjustment is possible) (see FIG. 3) and can be tilted forward (see FIG. 4). By combining such vertical movement and forward tilt, it is possible to reduce the work burden when the care recipient is transferred.

  Next, with reference to FIGS. 1 and 2, a specific configuration of each unit (the carriage unit 10, the riding unit tilting mechanism 20, and the riding unit 30) of the transfer assist device 1 will be described.

  The cart unit 10 enables the transfer support device 1 to move. The cart unit 10 mainly includes a cart body 11 and wheels 12.

  The cart body 11 is a main structure of the cart unit 10. The cart body 11 is configured in a substantially H shape in a plan view by combining substantially rectangular parallelepiped members and the like.

  The wheels 12, 12... Are provided at the four corners of the bottom surface of the carriage body 11. The carriage body 11 can be moved by the wheels 12.

  The riding section tilting mechanism 20 is for supporting the riding section 30 and tilting it arbitrarily. The riding section tilt mechanism 20 mainly includes a first support section 21, a second support section 22, a tilt actuator 23, and a connecting rod 24.

  The first support portion 21 is a substantially cylindrical member having a rectangular cross section. The first support portion 21 is fixed to a substantially central portion of the upper surface of the carriage main body 11 with the longitudinal direction thereof directed in the vertical direction.

  The second support part 22 is a substantially rectangular parallelepiped member. The 2nd support part 22 is arrange | positioned in the state which orient | assigned the longitudinal direction to the up-down direction. The second support portion 22 is inserted into the center portion (center portion in plan view) of the first support portion 21 so as to be slidable in the vertical direction with respect to the first support portion 21. The second support part 22 is arranged such that its upper end protrudes above the first support part 21 and its lower end is located inside the first support part 21.

  The tilt actuator 23 is an embodiment of the actuator according to the present invention. The tilt actuator 23 is for sliding the second support portion 22 with respect to the first support portion 21. The tilt actuator 23 is configured to be extendable and contractable in the longitudinal direction. The tilt actuator 23 is disposed inside the first support portion 21 (directly below the second support portion 22) with the longitudinal direction thereof directed in the vertical direction. The tilt actuator 23 has a lower end fixed to the cart body 11 and an upper end connected to the lower end of the second support portion 22. The second support part 22 can be slid up and down with respect to the first support part 21 by extending and contracting the tilt actuator 23.

  The connecting rods 24, 24 connect the first support portion 21 and the riding portion 30. One ends of the connecting rods 24 and 24 are connected to the front and rear centers in the vicinity of the upper ends of the left and right side surfaces of the first support portion 21 so as to be rotatable about a rotation axis in the left and right direction. A rotation axis (rotation center) between the first support portion 21 and the connecting rods 24 and 24 is hereinafter referred to as a first rotation center P1.

  The boarding part 30 is a part which a cared person gets on when transferring. The riding section 30 mainly includes a riding section main body 31, an elevating member 32, an elevating actuator 33, a seating section 34, and an upper body holding section 35.

  The riding section body 31 is a main structure of the riding section 30. The riding section main body 31 is a substantially rectangular parallelepiped member, and is arranged in a state where the longitudinal direction thereof is directed in the vertical direction. The riding section main body 31 is formed with a rotation support section 31a and a restraint connection section 31b.

  The rotation support part 31a is a substantially rectangular parallelepiped member, and is arranged with its longitudinal direction directed in the front-rear direction. One end (rear end) of the rotation support part 31 a is fixed to the substantially vertical center of the front surface of the riding part main body 31. Thereby, the rotation support part 31a is extended from the front surface of the riding part main body 31 to the front. The front end of the rotation support portion 31a is coupled to the upper end of the second support portion 22 of the riding section tilting mechanism 20 so as to be rotatable about a rotation axis in the left-right direction. The rotation axis (rotation center) between the second support portion 22 and the rotation support portion 31a is hereinafter referred to as a second rotation center P2. The second rotation center P2 is located immediately above the first rotation center P1 in a side view (see FIG. 2).

  The restraint connection part 31b is a substantially rectangular parallelepiped member, and is arranged in a state where its longitudinal direction is directed in the front-rear direction. One end (rear end) of the restraint connecting portion 31b is fixed to a vertically middle portion (above the rotation support portion 31a) of the front surface of the riding section main body 31. Accordingly, the restraint connecting portion 31b extends from the front surface of the riding section main body 31 to the front. The longitudinal direction (front-rear direction) length of the constraining connecting portion 31b is formed longer than the longitudinal length of the rotation support portion 31a. As a result, the front end of the restraint connecting portion 31b is positioned in front of the front end of the rotation support portion 31a in the front-rear direction. The front end of the restraint connecting portion 31b is connected to the other end of the connecting rod 24 of the riding portion tilting mechanism 20 so as to be rotatable about a rotation axis in the left-right direction. The rotation axis (rotation center) between the connection rod 24 and the restraint connection portion k31b is hereinafter referred to as a third rotation center P3. The third rotation center P3 is located on the front upper side of the first rotation center P1 and the second rotation center P2 in a side view (see FIG. 2).

  As described above, the riding section main body 31 is supported by the riding section tilting mechanism 20 via the rotation support section 31a and the restraint connecting section 31b. As shown in FIGS. 1 and 2, when the tilting actuator 23 of the riding part tilting mechanism 20 is most contracted, the riding part body 31 of the riding part 30 is held in a state in which the longitudinal direction is directed vertically. The

  The elevating member 32 is a substantially rectangular parallelepiped member, and is disposed in a state where the longitudinal direction thereof is directed in the vertical direction. The elevating member 32 is attached to the rear surface of the riding section main body 31 so as to be slidable in the longitudinal direction.

  The lifting / lowering actuator 33 is for sliding the lifting / lowering member 32 with respect to the riding section main body 31. The elevating actuator 33 is configured to be extendable and contractable in the longitudinal direction. The lifting / lowering actuator 33 is disposed below the lifting / lowering member 32 with its longitudinal direction directed in the vertical direction. The lift actuator 33 has a lower end fixed to the lower end portion of the riding section body 31 and an upper end connected to the lower end portion of the lift member 32. The elevating member 32 can be slid in the longitudinal direction with respect to the riding section main body 31 by extending and retracting the elevating actuator 33.

  The seating part 34 is a part where a cared person to be transferred by the transfer assisting apparatus 1 is seated. The seat portion 34 mainly includes a claw portion 34a and a seat surface 34b.

  The nail | claw part 34a is a part which supports the seat surface 34b mentioned later. The claw portion 34a is formed in a substantially U shape that is opened rearward in a plan view. Both ends of the claw 34a are disposed rearward. The front end of the claw 34 a is fixed near the lower end of the rear surface of the elevating member 32.

  The seat surface 34b is a portion on which a care recipient is seated. The seat surface 34b is formed in a substantially rectangular plate shape so that a care recipient can easily sit on the seat surface 34b. The seat surface 34b is disposed with its plate surface directed in the vertical direction. The seat surface 34b is formed in a hollow shape, and the hollow portion is opened forward (not shown). By inserting the claw portion 34a from the opening, the seat surface 34b can be supported by the claw portion 34a. Thus, the seat surface 34b can be arbitrarily attached to and detached from the seat portion 34 by inserting and removing the claw portion 34a into and from the seat surface 34b.

  The upper body holding part 35 is a part for holding the upper body of the care recipient. The upper body holding part 35 is formed in a substantially U shape that is opened rearward in a plan view by combining substantially flat members. The upper body holding unit 35 can hold the upper body of the care recipient so as to surround the upper body from both the front and left and right sides. The front surface of the upper body holding portion 35 is fixed near the upper end portion of the rear surface of the elevating member 32.

  In the transfer support apparatus 1 configured as described above, the operations of the tilt actuator 23 of the riding section tilting mechanism 20 and the lifting actuator 33 of the riding section 30 are controlled by operating an operation section (not shown). The said operation part is suitably arrange | positioned in the position where a caregiver (person who assists a care receiver's transfer) is easy to operate.

  Next, the operation of the transfer support apparatus 1 configured as described above will be described with reference to FIGS.

  As shown in FIG. 3, the elevating member 32 can be slid (lifted) in the longitudinal direction with respect to the riding section body 31 by extending and retracting the lifting actuator 33 of the riding section 30. Since the elevating member 32 is provided with the seating part 34 and the upper body holding part 35, the seating part 34 and the upper body holding part 35 are also raised and lowered together with the elevating member 32. The raising / lowering position (height) of the riding section 30 can be arbitrarily adjusted by adjusting the length of the raising / lowering actuator 33.

  As shown in FIG. 4, when the tilting actuator 23 of the riding section tilting mechanism 20 is extended, the second support portion 22 connected to the tilting actuator 23 slides upward. As a result, the second rotation center P2 moves upward. Along with this, the riding part 30 (the riding part main body 31) connected to the second support part 22 at the second turning center P2 also moves upward. It is connected to the connecting rods 24 and 24 at the center P3, and its upward movement is restricted. Accordingly, the riding portion 30 is tilted forward (inclined) by the connecting rods 24 and 24 via the third rotation center P3 while being pushed upward by the second support portion 22 via the second rotation center P2. (The upper end portion of the riding section main body 31 is tilted forward and downward). In this way, when the tilting actuator 23 is extended, the riding section 30 tilts forward. The inclination angle of the riding section 30 can be arbitrarily adjusted by adjusting the length of the inclination actuator 23.

  In this case, as shown in the circles in FIGS. 2 and 4, by moving the second rotation center P2 slightly, a straight line L (which connects the second rotation center P2 and the third rotation center P3) ( The straight line L can mean a large inclination of the riding section 30). As described above, the configuration in which the straight line L can be largely tilted with respect to the movement of the second rotation center P2, and the tilt actuator 23 for moving the second rotation center P2 and the compact structure associated therewith. Can be achieved.

  In addition, when returning the inclined boarding part 30 (state of FIG. 4) to the original state (state of FIG. 2), the inclination actuator 23 is contracted contrary to the above. As a result, the second support portion 22 slides downward, and the posture of the riding portion 30 returns.

  Next, using FIG. 5 and FIG. 6, a state when the cared person 2 is actually transferred using the transfer support device 1 will be described. Here, as an example, a description will be given assuming that the cared person 2 is transferred from the bed 3 to the toilet. For convenience of explanation, illustration of an assistant who operates the transfer support apparatus 1 is omitted.

  First, as shown in FIG. 5A, the caregiver removes the seating surface 34 b from the transfer assist device 1 and places it on the bed 3, and seats the care receiver 2 on the bed 3. And an assistant adjusts the height of the nail | claw part 34a of the transfer assistance apparatus 1 to the height of the seat surface 34b by expanding / contracting the raising / lowering actuator 33. As shown in FIG.

  Next, as shown in FIG. 5 (b), the assistant moves the transfer support apparatus 1 backward, inserts the claw portion 34 a into the seat surface 34 b on which the care receiver 2 is seated, and the seat surface 34 b Is attached to the transfer support apparatus 1. At this time, the upper body holding unit 35 of the transfer assist device 1 holds the upper body of the care receiver 2. Specifically, the left and right side surfaces of the upper body holding part 35 are inserted into the left and right armpits of the cared person 2 to hold the upper body (near the chest) of the cared person 2 from the front and the left and right sides.

  Next, as shown in FIG. 6A, the assistant moves the transfer support apparatus 1 forward, and moves the care receiver 2 seated on the seating surface 34 b to an arbitrary position. At this time, the claw portion 34 a is slightly raised to lift the seating surface 34 b and away from the bed 3, so that the seating surface 34 b can be moved without being caught on the bed 3. Moreover, when moving the transfer assistance apparatus 1, the height of the cared person 2 can be adjusted by adjusting the height of the seat part 34 and the upper body holding part 35. For example, by matching the height of the caregiver's line of sight with the height of the line of the care recipient 2, it is possible to perform a conversation or the like while moving without giving an intimidating feeling to the care recipient 2. Moreover, the fear at the time of moving the transfer assistance apparatus 1 by height can be relieved by making the height of the care receiver 2 as low as possible.

  Next, as shown in FIG.6 (b), a helper tilts the boarding part 30 ahead. In this state, most of the weight of the cared person 2 is supported by the upper body holding part 35, and the weight of the cared person 2 is hardly applied to the seating surface 34 b of the seating part 34. In this state, the caregiver can remove the seat surface 34b and easily remove the clothes worn by the care receiver 2 on the lower body.

Thereafter, the caregiver attaches the seating surface 34b to the transfer support device 1 again, returns the posture of the riding section 30 to the original position (see FIG. 6A), moves the transfer support device 1 to the vicinity of the toilet, and the cared person Sit 2 in the toilet seat.
In this case, if the seat surface 34b in which a hole is formed in the center portion is used, the cared person 2 is placed by placing the seat surface 34b in a state where the cared person 2 is seated on the toilet seat of the toilet. The transfer of is completed. The cared person 2 can add work through the hole formed in the seating surface 34b.

  In the present embodiment, as described above, the transfer from the bed 3 to the toilet has been described as an example. However, the transfer support device 1 is also used for other transfers (for example, transfer between the bed 3 and the wheelchair). Is possible. Also in this case, the cared person 2 can be easily transferred by getting on and off the cared person 2 together with the seating surface 34b.

As described above, the transfer support apparatus 1 according to the present embodiment is
A movable carriage unit 10;
A boarding unit 30 supported by the carriage unit 10 and capable of carrying the cared person 2;
Comprising
It is a transfer support device 1 that supports the transfer of the cared person 2 by moving the cared person 2 on the boarding unit 30,
The boarding unit 30
The seating part 34 which has the seat surface 34b which can be attached or detached in the state to which the care receiver 2 was seated is comprised.
By comprising in this way, the cared person 2 can be easily transferred by attaching or detaching the seat surface 34b on which the cared person 2 is seated.

In addition, the boarding unit 30
An upper body holding section 35 capable of holding the upper body of the cared person 2 seated on the seat section 34;
The upper body holding part 35
By tilting, the weight of the cared person 2 can be supported without depending on the seating portion 34.
By comprising in this way, it becomes easy to attach or detach the clothes | wear worn by the care receiver 2 by inclining the upper body holding | maintenance part 35. FIG. Furthermore, by removing the seat surface 34b in this state, the clothes can be attached and detached more easily. As a result, the burden on the caregiver can be reduced, and even a caregiver with weak power can easily perform the transfer work of the cared person and the attachment / detachment of clothes.

The seating part 34 can be tilted together with the upper body holding part 35.
By comprising in this way, when inclining the upper body holding | maintenance part 35, it can make it difficult to apply load to the body of the care receiver 2. That is, while the upper body holding portion 35 is inclined, the weight of the cared person 2 is supported not only by the upper body holding portion 35 but also by the seating portion 34, and the upper body holding portion 35 is gently weighted. Therefore, it is possible to prevent an excessive load from being applied to the cared person 2 (for example, suddenly supporting the weight only by the armpit).

In addition, the transfer support device 1
A boarding part tilting mechanism 20 for tilting the boarding part 30;
The riding section tilting mechanism 20 is
A first support portion 21 fixed to the carriage unit 10;
It is slidable with respect to the first support part 21 and is connected to the riding part 30 so as to be rotatable. By sliding with respect to the first support part 21, a center point of rotation of the riding part 30 (second A second support 22 capable of moving the rotation center P2);
Connecting rods 24 and 24, which are rotatably connected to the first support portion 21 and the riding portion 30, respectively, and restrain the movement of the riding portion 30;
A tilt actuator 23 (actuator) for sliding the second support portion 22 relative to the first support portion 21;
It comprises.
By comprising in this way, the inclination-angle of the riding part 30 with respect to the sliding distance (the expansion-contraction distance (stroke) of the inclination actuator 23) of the 2nd support part 22 can be enlarged. Thereby, the overall length of the tilt actuator 23 can be shortened, and the riding section tilt mechanism 20 can be made compact.
In particular, as in the present embodiment, the tilt actuator 23 is arranged inside the first support portion 21, so that more compactness can be achieved, and the space for the feet of the caregiver and the care recipient 2 can be increased. Can be secured. In addition, by making the transfer support device 1 compact, it is possible to provide the transfer support device 1 that is easy to use even in a general house.

  In addition, the transfer assistance apparatus 1 which concerns on this embodiment is an example of the transfer assistance apparatus which concerns on this invention, The structure is not limited to what concerns on this embodiment.

For example, the shape, material, and the like of each unit (the carriage unit 10, the riding unit tilting mechanism 20, and the riding unit 30) are not limited, and the mechanism for raising and lowering the riding unit 30 and the mechanism for tilting are described in this embodiment. It is not limited to.
Also, the type of each actuator (tilting actuator 23 and elevating actuator 33) is not limited, and various actuators (air cylinder, electric cylinder, hydraulic cylinder, etc.) can be used.
Also, in the riding section tilting mechanism 20, the configuration is appropriately changed such that the first support portion 21 is inserted into the second support portion 22 and the number of connecting rods 24 and 24 is changed. Is possible.

  Further, the cart unit 10 (cart body 11) according to the present embodiment is configured in a substantially H shape in plan view by arranging rod-like (substantially rectangular parallelepiped) members whose longitudinal directions are directed to the left and right respectively. However, the present invention is not limited to this. For example, by arranging rod-like members with the longitudinal direction in the front-rear direction on the left and right sides, a substantially H-shape in a plan view (a shape in which the cart body 11 according to this embodiment is rotated 90 degrees in a plan view) ) May be configured.

Further, the riding section tilting mechanism 20 may be configured as shown in FIG. 7, for example.
The riding section tilting mechanism 20 in FIG. 7A directly attaches the tilting actuator 231 so as to connect the carriage unit 10 and the riding section 30 and expands and contracts the tilting actuator 231 to directly change the tilting angle of the riding section 30. be able to.
The riding section tilt mechanism 20 in FIG. 7B is provided with a tilt actuator 232 that can extend and contract in the vertical direction. The tilt actuator 232 is also attached so as to connect the cart unit 10 and the riding unit 30 as in the case of FIG.
The riding section tilt mechanism 20 in FIG. 7C uses a motor as the tilt actuator 233. The tilting actuator 233 is provided at the rotation fulcrum of the riding part 30 so that the riding part 30 can be tilted.

  Further, the shape of the claw portion 34a is not limited to that according to the present embodiment (substantially U-shaped in a plan view), for example, a single rod-like (straight) shape extending rearward from the elevating member 32. It may be a member and can have various shapes.

  Further, the method for attaching and detaching the seating surface 34b is not limited to the one according to the present embodiment (that is, the method for inserting the claw portion 34a into the seating surface 34b). For example, the claw portion 34a may be lifted from below rather than being inserted into the seat surface 34b. Moreover, it can also be made detachable using the screw | thread which can be fastened electrically, a magnetic force, etc. irrespective of the nail | claw part 34a.

  Moreover, the upper body holding part which concerns on this invention is not limited to the upper body holding part 35 which concerns on this embodiment. For example, the upper body holding part 35 can be provided with a cushion or the like that reduces the load applied to the care receiver 2. Moreover, it is also possible to make the upper body holding | maintenance part 35 larger further, and to be the structure which hold | maintains the care receiver 2 in a wider surface. Moreover, in order to hold the care receiver 2 more reliably, a belt or the like can be provided.

DESCRIPTION OF SYMBOLS 1 Transfer support apparatus 10 Carriage part 20 Boarding part tilting mechanism 21 First support part 22 Second support part 23 Inclination actuator (actuator)
24 connecting rod 30 boarding part 34 seating part 34a claw part 34b seating surface 35 upper body holding part

Claims (4)

A movable carriage section;
A boarding unit supported by the carriage unit and capable of carrying a cared person;
Comprising
A transfer support device that supports transfer of the cared person by moving the cared person on the boarding part,
The boarding section is
It comprises a seating part having a seating surface that can be detached while the cared person is seated,
Transfer support device. The boarding section is
Comprising an upper body holding part capable of holding the upper body of the care receiver seated on the seat part;
The upper body holding part is
By tilting, it is possible to support the weight of the cared person without depending on the seating part,
The transfer support apparatus according to claim 1. The seating portion is
It is possible to incline with the upper body holding part,
The transfer support apparatus according to claim 2. A boarding part tilting mechanism for tilting the boarding part;
The riding section tilting mechanism is
A first support part fixed to the cart part;
It is slidable with respect to the first support part and is connected to the riding part so as to be rotatable, and the center of rotation of the riding part is moved by sliding with respect to the first support part. A second support capable of,
A connecting rod that is rotatably connected to the first support part and the riding part, and restrains the movement of the riding part;
An actuator for sliding the second support part relative to the first support part;
Characterized by comprising:
The transfer assistance apparatus of Claim 2 or Claim 3.

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