JPH04322608A - Chair - Google Patents

Abstract

PURPOSE:To supply a low cost chair capable of easily munipulating even by aged persons when a handicapped aged one stand up from a chair and seats on it. CONSTITUTION:A chair is composed of a horizontal long bottom 1, a circular disk 2 rotatably supporting the bottom 1, a back seat 3 erected along the back end edge of the bottom plate 1, elbow holders 4, 4 protruded forward at both sides in front of the back seat 3, a seating plate 5 arranged between the bottom plate 1 and the elbow holders 4, 4, and a height adjusting mechanism 6 regulating the level of the seating plate 5. The height adjusting mechanism 6 is supported to be freely rotatable by the above elbow holders 4, 4 and the bottom plate 2. And further, a gear type transmission mechanism 9, a motor M, electric cells E are provided to rotate a couple of vertical screws 7, 7 inserted into a pair of vertical bolt holes formed in the above seating plate 5.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chair that helps elderly people who have lost physical mobility to stand up and sit down, and particularly to a chair that helps them stand up.

0002

[Background Art] As we get older, our physical health gradually becomes impaired.
Many elderly people begin to have difficulty standing or sitting. This tendency increases as people age, until they are no longer able to stand or walk without assistance. In response to the above situation, there is a need for a simple assistive device that allows elderly people to easily operate and stand up.

0003

[Problem to be Solved by the Invention] The problem to be solved is to provide an assistive device that allows elderly people with physical disabilities to stand or sit, that can be easily operated by elderly people, and that is inexpensive. There is no such thing.

0004

[Means for Solving the Problems] The present invention comprises a horizontal rectangular bottom plate 1, a disc 2 rotatably supporting the bottom plate 1, a backrest 3 erected along the rear edge of the bottom plate 1, and a backrest 3 that stands along the rear edge of the bottom plate 1. Armrests 4, 4 protruding forward on both sides of the front of the backrest portion 3;
, a seat plate 5 arranged between the bottom plate 1 and the armrests 4, 4;
and a height adjustment mechanism 6 for adjusting the height of the seat plate 5, the height adjustment mechanism 6 is rotatably supported by the armrests 4, 4 and the bottom plate 1, and the height adjustment mechanism 6 is rotatably supported by the armrests 4, 4 and the bottom plate 1.
A pair of vertical screw rods 7, 7 screwed into a pair of vertical screw holes 5a, 5a formed in the vertical screw holes 5a, 5a, respectively;
A gear transmission mechanism 9, a motor M, and a battery E that rotates the
It is equipped with the following.

[0005]

[Embodiment] To explain the embodiment with reference to the drawings, 1 is a horizontal rectangular bottom plate, 2 is a disc that rotatably supports the bottom plate 1 via a central axis 2a and a group of casters 2b, and 3 is the rear of the bottom plate 1. It is a backrest section that stands upright along the edge, and has a drive battery storage chamber 3a inside and a lid 3b that covers the drive battery storage chamber 3a on the back. Reference numerals 4 and 4 designate armrests protruding forward on both left and right sides of the front surface of the backrest portion 3, and 5 designates a seat plate disposed between the bottom plate 1 and the armrests 4 and 4, which have the following configuration. The height can be adjusted by a height adjustment mechanism 6.

The height adjustment mechanism 6 is constructed as follows. That is, 7, 7 is a pair of vertical screw rods, which are rotatably supported by the armrests 4, 4 and the bottom plate 1, and have a pair of vertical screw holes 5a, 5a formed in the seat plate 5.
are screwed into each. Incidentally, reference numerals 8, 8 are guide rods attached to the armrests 4, 4 and the bottom plate 1, and are passed through vertical guide tubes 5b, 5b provided on the seat plate 5.

Reference numeral 9 denotes a gear type transmission mechanism that rotates the vertical threaded rods 7, 7 in both forward and reverse directions, and includes a pair of bearings 9a, 9a provided on the upper surface of the bottom plate 1, and a horizontal rotation supported by the bearings 9a, 9a. A shaft 9b, a spur gear 9c attached to the middle of the rotating shaft 9b, a small spur gear 9d meshing with the spur gear 9c, a pair of bevel gears 9e, 9e attached to both ends of the rotating shaft 9b, and the bevel gear 9e, 9e and the vertical threaded rod 7
It consists of bevel gears 9f, 9f attached to the lower part of , 7. Note that 9g is a gear box that houses the gear type transmission mechanism 9. M is a motor that drives the gear type transmission mechanism 9, E is a battery that supplies current to the motor M via a cord F, and S is a current switching switch.

To explain the operation, when the switch S is turned on and DC current is passed from the battery E to the motor M, the motor M rotates, and the rotation is caused by the small gear 9d and the spur gear 9c.
, is transmitted to the vertical threaded rods 7, 7 via the rotating shaft 9b and bevel gears 9e, 9e, 9f, 9f. By changing the direction of the current with the switch S, the direction of rotation of the vertical screw rods 7, 7 can be changed, and the seat plate 5 can be moved up and down along the vertical screw rods 7, 7.

When elderly people with physical disabilities wish to stand up, they move the chair closer to them and use the above operation to temporarily lower the seat plate 5.
is lowered to the lowest height, and the bottom plate 1 is placed around the central axis 2a of the disc 2.
Rotate the seat board 5, place the open side of the seat board 5 on your waist, sit down, and then reverse the current direction and raise the seat board 5 to a height where you can stand up. In this state, if you put your arms on the armrests 4 and 4 and stand up with the help of them, you can easily stand up.
Can walk.

[0010] Since the present invention has a built-in battery E, there is no need to connect it to a power source, and as long as it is kept at hand, the user can stand up at any time without assistance.

[0011]

[Effects of the Invention] Since the present invention is configured as described above,
It is convenient even for elderly people with physical disabilities, as they can keep it handy and easily operate it to stand up without assistance if necessary.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway front view showing an embodiment of the present invention.

FIG. 2 is a partially cutaway right side view of FIG. 1;

FIG. 3 is a partially cutaway plan view of FIG. 1;

FIG. 4 is a view taken along the line A-A in FIG. 1;

FIG. 5 is a view taken along the line BB in FIG. 1;

FIG. 6 is a view taken along the line CC in FIG. 1;

FIG. 7 is a view taken along the line DD in FIG. 1;

[Explanation of symbols]

1 Bottom plate 2 Disk 2a Central axis 2b Caster group 3 Backrest part 3a Battery storage room 3b Lid 4 Armrest 5. Stool board 5a Screw hole 5b Guide tube 6 Height adjustment mechanism 7 Threaded rod 8 Guide rod 9 Gear type transmission mechanism 9a Bearing 9b Rotation axis 9c Spur gear 9d Small spur gear 9e Bevel gear 9f Bevel gear 9g gear box E Battery F code M DC motor S switch

Claims (2)

[Claims] [Claim 1] Horizontal rectangular bottom plate (1);
A disc (2) that rotatably supports the base plate (1), a backrest (3) that stands along the rear edge of the bottom plate (1), and a backrest (3)
Armrests (4, 4) protruding forward on both sides of the front of the
), a seat plate (5) placed between the bottom plate (1) and the armrests (4, 4), and a height adjustment mechanism (6) for adjusting the height of the seat plate (5). Adjustment mechanism (6
) is rotatably supported by the armrests (4, 4) and the bottom plate (1), and is screwed into a pair of vertical screw holes (5a, 5a) formed in the seat plate (5), respectively. Vertical threaded rod (7, 7), its vertical threaded rod (7, 7)
A gear transmission mechanism (9) that rotates the motor, a DC motor (M
) and a battery (E). 2. A gear transmission mechanism (9) includes a pair of bearings (9a, 9a) provided on the upper surface of the bottom plate (1), and a pair of bearings (9a, 9a) provided on the upper surface of the bottom plate (1).
, 9a), the horizontal rotation axis (9b) supported by the rotation axis (
The spur gear (9c) installed in the middle of the spur gear (9b),
9c), a small spur gear (9d) that meshes with the rotating shaft (9b)
a pair of bevel gears (9e, 9e) attached to both ends of the bevel gear (9e, 9e), and a bevel gear (9f, 9f) meshing with the bevel gear (9e, 9e) and attached to the lower part of the vertical threaded rod (7, 7). The chair according to claim 1, comprising: