KR200338194Y1 - Table adapted to an invalid chair arm - Google Patents

Abstract

The table attached to the patient chair armrest includes a chair frame, two armrests and two side plates. The chair frame includes a rear rod and a seat rod on each side. On both sides of the rear rod are provided pivot holders which are respectively pivoted against the rear end of the armrest. The pivot holder is laterally inserted into the retaining lever to maintain the end of the armrest without compromising to lift the armrest with respect to the pivot holder, allowing the patient to sit on the chair laterally. Two holes are provided on the front end of the armrest in the vertical direction and the lateral direction, respectively. The side plate is adapted to the sleeve to accommodate the insertion of the armrest. A plurality of through holes are provided on the outer circumference of the sleeve, so that the selected through holes are aligned in the holes provided in the vertical direction on the armrest and fixed in place by the positioning member, so that the side plates can be laterally positioned on the armrest.

Description

Table suitable for arm chairs for patients {TABLE ADAPTED TO AN INVALID CHAIR ARM}

The present invention relates to a table attached to a chair armrest for a patient, and in particular, a table attached to a patient chair armrest, which allows both the side plates to be turned into a table and at the same time the armrest is rotated backwards so that the patient can easily sit on the chair from the side It is about.

Generally, the table is pivoted for each armrest of the patient chair for the patient to read or eat. Lift the table and stop it in a horizontal position when in use. In general, among tables suitable for commercial patient chairs there is a structure for a movable table suitable for wheel chairs. The movable table consists of an armrest, a desktop, a positioning holder and a suspension holder. Here, the positioning holder is fixed to the armrest from the outside, the suspension holder is fixed to the desktop, the hook provided in the suspension holder is inserted into the inner hole provided in the positioning holder to form a rotating component. Under normal conditions, the desktop is suspended on the outside of the armrest, and in use is rotated by the hook as a point of rotation such that the desktop is kept horizontal with respect to both armrests for use. However, the above structure has been found to have the following disadvantages.

1. The desktop in normal condition is freely suspended on the outside of the armrest, so the desktop is susceptible to damage by always crashing against the wheel chair during operation.

2. During use, the desktop can be easily flipped over and cornered when the patient tries to lift the arm (s) because the desktop horizontally placed on both armrests is fixed in place.

3. Since both sides of the wheel chair are blocked by the desktop and armrests, the patient has access to the wheel chair from its front side and a pedal is provided in front of the wheel chair, so that someone should help the patient sit on the chair. Inconvenient at

4. Since the desktop is prevented from re-adjusting its height or distance according to the size of the patient, the patient sitting on the chair feels extremely uncomfortable.

The main object of the present invention is to provide a table suitable for patient chair armrests. In use, both side plates of the present invention can be lifted to form a desktop and each armrest fully lifted up so that the patient sits on the chair from both sides of the chair. To achieve the above object, the present invention includes a chair frame, two armrests and two side plates. The chair frame here comprises a rear rod and a seat rod on each side and a support extending between the rear rod and the seat rod.

A pivot holder is provided in the connection region of the rear rod and the support. The pivot holder includes a pair of holes and retaining levers that allow insertion of the pivot pin so that the pivot holder pivots the rear end of the armrest.

The front end of the armrest is provided with a vertical hole and a horizontal hole, and the rear end is pivoted relative to the pivot holder to lift the front end so that the patient can sit on the chair from both sides of the chair.

The side plate is provided with a sleeve to enable insertion of the armrest. The board extends downwardly from the sleeve, and a plurality of adjustment through holes are provided on the circumference of the sleeve.

The through holes of both side plates are aligned in line and secured to corresponding holes on the armrests so that both side plates extend to seat on both armrests to form a table.

Another object of the present invention is to further include a cap with a hollow wall protruding from which the corresponding positioning hole provided on the edge of the side plate is buckleed, and protrudes from the cap when both side plates extend horizontally. It is to provide a table suitable for the patient chair armrest, in which the side walls are fixed in place at both the front and rear sides by contacting the positioning holes provided on each side plate.

1 is an exploded view of a preferred embodiment of the present invention.

2 is a cross-sectional view of an assembly of a preferred embodiment of the present invention.

3 is a perspective view showing a state of use of the preferred embodiment of the present invention.

4 is a perspective view showing another use state of the preferred embodiment of the present invention.

5 is a side view showing that the side plate is adjusted back and forth.

Figure 6 is a perspective view showing another use state of the preferred embodiment of the present invention.

<Description of Symbols for Major Parts of Drawings>

1: chair frame

2: armrest

3: side plate

4: member for position adjustment

11: rear load

12: seat loading

14: pivot holder

21: vertical hole

22: lateral hole

23: pivot block

Referring to FIG. 1, the present invention includes a chair frame 1, two armrests 2, two side plates 3, and two position adjusting members 4.

The chair frame 1 comprises a rear rod 11 and a seat rod 12 connected to each other by a support 13 on each side. A pivot holder 14 is provided in the connection region of the support 13 and the rear rod 11. The pivot holder 14 includes a pair of holes 142 and a retaining lever 141 that accommodate the insertion of the pivot pin 143 so that the pivot holder 14 pivots the rear end of the armrest 2. . The locking mechanism 15 provided at the front end of the seat rod 12 includes a lever 151 and a hook plate 152 coupled to the lever 151 and subject to the operation of the lever.

The front end of each armrest 2 is provided with a vertical hole 21 and a lateral hole 22. The pivot block 23 is inserted into the rear end of the armrest 2. On the pivot block 23 a through hole 231 is provided laterally and the limiting pin 24 is inserted laterally at the front end of the pivot block 23. A position adjusting bolt 25 is vertically provided at the rear of the armrest 2 after the rear of the pivot block 23.

Each side plate 3 is provided with a sleeve 31 including two holes 311 and 312 arranged in parallel. One of the holes 311, 312 is selected to accommodate the insertion of the armrest 2. The cap 32 is removably inserted into the front end of the sleeve 31 and a restricting recess 313 is provided at the rear end of the sleeve 31, respectively. A plurality of adjustment through holes 314 are provided on the circumference of the sleeve 31. The board 33 extends downward from the sleeve 31. Fixing holes 34 and 35 are provided at the front and rear ends of the lower edge of the board 33, respectively. Two (or three or more) restriction grooves 331 (as shown in the figure), each of which is adapted to the restriction lever 332, are provided at the bottom of the board 33 close to the front end thereof. The hollow wall 321 protrudes from the rear end of the cap 32, and a pulling ring 322 is suitable for the surface of the cap 32.

The position adjusting member 4 is a pin, but may be provided in the form of a tenon, a bolt or other fastener.

Referring now to FIG. 2, which shows an assembly of a preferred embodiment of the present invention, pivot pin 143 pivots through hole 231 of pivot block 23 and pivot holder 14 to pivot armrest 2. It passes through the hole 142. A position adjusting bolt 25 is provided at the distal end of the armrest 2 to hold the holding lever 141 so that the armrest 2 is horizontally maintained.

In order to limit the distance of the side plates 3 to the armrest 2, the holes 311 or other holes 312 of the sleeve 31, depending on the right or left armrests, receive the armrests 2 and only the sleeve 31. The restricting recess 313 at the rear end of the &lt; RTI ID = 0.0 &gt;) &lt; / RTI &gt; On the other hand, the side plate 3 is prevented from performing concentric rotation with respect to the armrest 2. One of the through holes 314 of the sleeve 31 is selected to overlap the lateral hole 22 of the armrest 2 such that the board 33 of the side plate 3 is suspended below the armrest 2. It is fixed by (4). Finally, the hook plate 152 inside the locking mechanism 15 is located in one of the restriction grooves 331 at the lower edge of the side plate 3 and mutually restricts with the restriction lever 332 provided in the restriction groove 331. It is supposed to be. Thus, the side plates 3 are suspended under the armrest 2 and are held in place by the sides of the chair frame 1, whereby both armrests 2 each have a chair frame with its corresponding board 33. Two fixed protection parts on both sides of (1) are provided.

Thus, the restricting groove 331 at the lower edge of the through hole 314 and the side plate 3 on the sleeve 31 is formed by the selected through hole 314 and the restricting groove 331 on the side plate 2 on the armrest 2. 3) enables proper distance adjustment.

Since the armrest 2 is pivoted by the pivot pin 143 relative to the pivot holder 14, the armrest 2 is lifted in parallel with the rear rod 11 with respect to the pivot holder 14, respectively, from both sides of the patient chair. Make it easy to access As shown in FIGS. 2 and 3, a locking mechanism 15 suitable for the seat rod 12 is adapted to separate the hook plate 152 from locking by the limiting lever 332 provided at the bottom of the side plate 3. Is released. Next, the side plate 3 is lifted together with the armrest 2 so as to be parallel to the rear rod 11. By removing the positioning member 4 inserted in the through hole 314 of the side plate 3, the board 33 of the side plate 3 is turned rearward to prevent the patient from sitting on or leaving the chair from both sides of the chair. Help

In the case where the use of both side plates 3 is required, the hook plate (from the limiting lever 332 inside the limiting groove 331 in the lower part of the side plate 3 is pulled out by pulling the lever 151 of the locking mechanism 15). 152) is released. The positioning member 4 inserted laterally into the lateral hole 22 of the armrest 2 is removed relative to the side plate 3 as shown in FIG. 4, or its horizontal parallel to the rear rod 11. Lifted into position. The positioning member 4 is inserted vertically into the vertical hole 21 of the armrest 2 with respect to the selected through hole 314 on the side plate 3 so that the side plate 3 is held in a horizontal position. Thus, by forming a table on the armrest of the chair frame 1 to provide a patient arm support, the patient's arm can be placed thereon to place a particular object on the patient or to instill drip infusion.

Furthermore, the through holes 314 arranged in parallel on the sleeve 31 of the side plate 3 allow for proper distance adjustment of the side plate 3 on the armrest 2 to cope with the individual patient size. As shown in FIG. 5, first, the appropriate distance of the side plate 3 on the armrest 2 is adjusted so that the selected through hole 314 overlaps with its corresponding hole 21 provided on the armrest 2, and overlaps. The adjusting member 4 is inserted vertically through the two holes 314 and 21, thereby fixing the side plate 3 at an optimal distance between the side plate 3 and the patient, thereby making the patient feel more comfortable.

Referring now to FIG. 6, both side plates 3 form a solid and sturdy chair table. Otherwise, both side plates 3 arranged vertically are turned upside down to be parallel to the seat rod 12. Subsequently, both caps 32 respectively blocking the ends of each sleeve 31 are removed and inserted respectively on the outer front and rear ends of both boards 33 which meet in the plane formed between the two sleeves 31. The hollow wall 321 inside each cap 32 clamps (fastens) the corresponding positioning holes 34 and 35 so that the side plates 3 are fixed to the chair as fixed by both caps 32. On the frame 1 a solid and sturdy table is formed.

The invention can also be applied to other types of patient chairs, such as walkers or electric wheel chairs.

The armrest 2 of the present invention can be manufactured in a rectangular or angular shape, unlike other geometric shapes, such as the round shape shown in the preferred embodiment, so that the shape of the holes 311 and 312 inside the sleeve 31 is It is important to note that it compromises the type of armrest chosen.

According to the present invention, the side plate is fixed in place under the armrest, thereby preventing the side plate from colliding against the chair and being damaged during operation. In addition, the side plates arranged horizontally on both armrests are fixed in place so that they do not turn over when the patient tries to lift the arm during use. Moreover, both side plates with both armrests can be lifted completely to allow the patient to sit on the chair from both sides of the chair.

Claims (7)

A table suitable for a patient chair armrest comprising a chair frame, two armrests and two side plates, The chair frame comprises a rear rod and a seat rod on each side, On two sides of the rear rod there is a pivot holder for pivoting the rear end of the armrest, the retaining lever being laterally fixed relative to the pivot holder to hold the rear end of the armrest, The front end of the armrest can be lifted with respect to the pivot holder, the front end of the armrest is provided with a hole in the vertical direction, Each side plate is provided with a sleeve for receiving the insertion of the armrest, the board extends downwardly from the sleeve, a plurality of through holes are provided on the circumference of the sleeve, one of the through holes is armrest by the position adjusting member A table suitable for a patient chair armrest that is secured to a hole in the top. The seat rod according to claim 1, wherein a limiting groove is provided on a lower edge of the side plate, a limiting lever penetrates the limiting groove, and a locking mechanism corresponding to the limiting groove of the side plate is provided on the seat rod, and the locking mechanism and the limiting mechanism. Restriction lever inside the groove is a table suitable for the patient chair armrest that is locked to each other to secure the side plate suspended under the armrest in place. 3. The patient chair armrest of claim 2 wherein said locking mechanism comprises a lever and a hook plate coupled to said lever, said side plate being secured by said hook plate held against a limit lever inside a limit groove of said side plate. Suitable table. The table according to claim 1, wherein the two mating ends of the two side plates are provided with fixing holes, respectively, and both fixing holes contacted in the horizontal direction are fastened to each other by a cap. 5. The table of claim 4, wherein the cap includes a hollow wall that secures the two side plates by fastening the fixing holes of the side plates. The table suitable for a patient chair armrest according to claim 1, wherein two sleeves are provided in the sleeve of each side plate, and either one of the two holes is selected to accommodate the insertion of each armrest. The table according to claim 1, wherein a hole is provided laterally on the front end of the armrest.