Electric bedside table

Abstract

To solve the problem of a conventional movable table with casters, such as a bridge type table to straddle a bed or a cantilever type table on one side, that when a user wants to use the table while lying on the bed, the user needs to raise one side of the body or get up to draw the table when he / she is at his / her feet, and when the table is not needed, the table is an obstacle to getting up and is returned to the original position, and the table is moved by hand every time it is used, and some users need to rely on manpower, and it is troublesome when frequently used.SOLUTION: FIG. 1 is a driving relationship diagram of a bed and a table, FIG. 3 is an overall cross-sectional view, the table is composed of a support plate 2 and a bottom plate 3 for supporting a table 1 so as to straddle the bed, a driving unit F1 and a caster 4 are fixed to the bottom plate 3, and a driving roller B of the driving unit F1 is brought into pressure contact with a rail or a guide rail 6 placed on a floor G to be moved back and forth along the guide rail 6 in accordance with rotation of a motor A.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a table that moves back and forth along a guide rail electrically. [Background technology]

[0002] Traditionally, side tables have been installed beside the bed, but there are also bridge-type tables that are movable and span the bed, and cantilever-type tables that only hang on one side. These have to be pulled in by hand when in use, and are in the way when not in use. To move these, they have to be moved by hand each time, and depending on the user, this has required manual intervention, and is troublesome when needed frequently. Summary of the Invention [Problem to be solved by the invention]

[0003] Bridge-type tables that straddle the bed and cantilever tables have to be moved each time they are used, and when lying down in bed it is necessary to raise half of the body and pull it towards you. Furthermore, frequent use is troublesome. To eliminate this inconvenience, it is desirable to be able to bring it to the optimum position from any position when needed. [Means for solving the problem]

[0004] This invention aims to eliminate the inconveniences mentioned above by enabling the user to electrically pull the table towards them and stop it at any optimal position when needed, even while lying in bed, with the remote button at hand, so that the table can be brought close to hand with minimal movement when needed, and when no longer needed, it can be moved towards the user's feet.The system also aims to make the entire table detachable so that it can be easily removed and folded for storage. [Effects of the Invention]

[0005] By adopting the above-mentioned configuration, the present invention allows the bed table to be moved smoothly in the forward and backward directions, and by driving the roller part with a drive motor, it is possible to control it while the bed user is lying down or sitting up.Furthermore, the bed table is provided with a height adjustment means, so the height can be adjusted to the desired height.

[0006] In addition, the bed table can be divided into three parts horizontally and tilted to use as a reading table.Furthermore, by providing a mounting base (panel member) on the guide rail, it is possible to attach remote controls for the bed table of the present invention and peripheral devices such as remote controls for televisions, lighting, air conditioners, electric beds, etc. [Brief explanation of the drawings]

[0007] [Figure 1] FIG. 1 is a diagram showing the relationship between a bed and an embodiment of the present invention. [Figure 2] 1 is a cross-sectional view of a drive unit F1. [Figure 3] 1. HH cross section of FIG. [Figure 4] 1 is a cross-sectional view of a second embodiment of the present invention, which is a modification of the first embodiment. [Figure 5] FIG. 10 is a diagram showing the relationship between the bed and the table according to the third embodiment of the present invention. [Figure 6] FIG. 6 is an enlarged view of a portion L in FIG. [Figure 7] 1 is a cross-sectional view of a drive unit F2. [Figure 8] FIG. 10 is a cross-sectional view of a bed table according to a third embodiment of the present invention. [Figure 9] 4 is a cross-sectional view of Example 4. [Figure 10] FIG. 10 is a diagram showing the relationship between the bed tables of the third and fourth embodiments of the present invention. [Figure 11] FIG. 1 is a diagram showing an example of a fixed support and a guide rail. [Figure 12] FIG. 6 is a diagram showing the relationship between the bed and the table according to the sixth embodiment of the present invention. [Figure 13] The relationship diagram of FIG. [Figure 14] The relationship diagram of FIG. [Figure 15] FIG. 7 is a diagram showing the relationship of the seventh embodiment of the present invention. [Figure 16] FIG. 10 is a diagram showing the relationship between the bed and the table according to the fifth embodiment. [Figure 17] 1 is a cross-sectional view of a drive unit F4. [Figure 18] FIG. 10 is a cross-sectional view of the bed table of the fifth embodiment. [Figure 19] FIG. 8 is a diagram showing the relationship in Example 8. [Figure 20] The relationship diagram of Example FIG. 9 [Figure 21] A cross-sectional view of the drive unit F7 DETAILED DESCRIPTION OF THE INVENTION

[0008] A driving source is provided on the bottom plate of a bridge-type table laid on a bed, or on the lower part of the support plate that supports the table, and a driving roller attached to the shaft of a reduction motor that serves as the driving source is pressed against the guide rail by a spring and moves along the guide rail, or is composed of auxiliary wheels and can move back and forth along the guide rail, so that the table can be stopped at any optimal position when needed and moved to a place that does not get in the way when not needed. [Example]

[0009] Figure 1 is a diagram of a typical bed consisting of a bed frame (B) that connects a headboard 15 and a footboard 16, and a mattress (A), while Figure 3 is a cross-sectional view of the entire structure, with support plates 2 and a bottom plate 3 as legs that support the table top 1 as the table part so that the table straddles the bed, and drive roller B of drive unit F1 fixed to bottom plate 3 presses against guide rail 6, which acts as a rail part placed on the floor G, and moves back and forth along it as the motor rotates. A speed control can also be provided on motor A to adjust the desired movement speed. As shown in Figure 2, drive roller B of drive unit F1 is configured to be pressed against guide rail 6 by spring D, which is placed between box-shaped plate 35 and motor flange C as shown in the figure.

[0010] In Figure 2, a fixed shaft E is fixed to the inside of the box-shaped plate 35 shown, and the fixed shaft E passes through a flange C, allowing the flange C to move. A stopper 38 is attached to one end of the fixed shaft E. A compression spring D is inserted into the outer periphery of the fixed shaft E between the flange C and the inside of the box-shaped plate 35, constantly pressing the flange C towards the stopper 38. A plurality of these fixed shafts E and compression springs D are provided. The flange C and deceleration motor A are fixed with screws so that the decelerated motor A can rotate forward and reverse. A gear-like drive roller B is attached to the motor shaft to provide resistance when pressed against the rail or guide rail 6. The entire motor A and drive roller B are cushioned with springs D, forming a suspended drive source, which is called drive unit F1. This drive unit F1 is fixed to the bottom plate 3 with screws or the like. As shown in FIG. 3, the bottom plate 3 has a drive unit F1 located almost in the center, and four casters 4 attached to the front and rear on both sides of the drive unit F1, which rotates and moves while supporting the load. An embodiment shown in FIGS.

[0011] As shown in Figure 2, the guide rail 6 placed on the floor G is concave and is fixed to the base 5 with screws or the like to form a single unit, and the drive roller B fits into this recess and runs along the concave shape. The guide rail 6 can be made of aluminum, plastic, iron, etc., and although the guide rail 6 and base 5 are shown as separate, the guide rail 6 and base 5 can also be made into a single unit by extruding aluminum. The guide rail 6 is lined with a wear-resistant rubber, leather, plastic, etc. material 32 and fixed with adhesive or the like to form a single unit, in order to prevent slippage when the drive roller B runs on the guide rail 6 and to reduce noise during running, and the recess in the guard rail 6 is deep enough to prevent the roller from running off the rail.

[0012] As shown in the cross-sectional view of the overall configuration in Figure 3, the bottom plate 3 has casters 4, and when the drive unit F1 is fixed to the bottom plate 3, Figure 3 shows an example in which it is shown at approximately the center of the bottom plate 3. Also, although Figures 3 and 4 show a bridge-type table, the drive unit F1 and casters 4 can be fixed to the bottom plate 3 in the same way for a cantilever table type. Furthermore, the height of the table top 1 can be adjusted by changing the fixing positions of both support plates 2 and the bottom plate 3. [Example]

[0013] Figure 4 shows a configuration in which the drive unit F1 is located approximately in the center of the bottom plate 3, with four casters 4 on the left and right sides at the front and back. Guide rails 6 are installed along the bottom plate 12 in two places on each side, as shown in the figure, and the drive rollers B are pressed against the convex, wear-resistant, non-slip rails 11 without guides. In this case, the guide rails 6 and the rails 11 are fixed to the bottom plate 12 in two places with adhesive or in a way that prevents nails or screws from sticking out. In the case of a cantilever table, the bottom plate 3 is about half the size of the bridge-type table, but even in this case, the casters 4 are placed on the left and right sides of the drive unit F1. Note that if the drive rollers B are made of a material that prevents slipping and noise when pressed against the table, the rails 11 can be omitted. In this case, the casters 4 and drive units F1 can be installed with different sizes, allowing the drive rollers B to press directly against the bottom plate 12 and move back and forth. [Example]

[0014] As shown in Figure 7, a fixed shaft E is fixed on the inside of the U-shaped plate 36, the fixed shaft E passes through the flange C, and the flange C is movable. One end of the fixed shaft E is fitted with a stopper 38. A compression spring D is inserted on the outer periphery of the fixed shaft E between the flange C and the inside of the U-shaped plate 36, and the flange C is always pressed towards the stopper 38. There are multiple fixed shafts E and compression springs D. The flange C and the reduction motor A are fixed with screws, and the reduced motor A rotates forward and backward. The motor shaft is fitted with a gear-like drive roller B that provides resistance when pressed against the rail or guide rail 6, and the entire motor A and drive roller B are cushioned with springs D. Inside the housing of a U-shaped plate 36 with a suspended structure, two auxiliary wheels 9 are installed in a straight line in front of and behind the drive roller B, and two more auxiliary wheels 9 are installed in a straight line on the underside of the U-shaped plate 36, facing each other across the rail or guide rail 6 (see Figure 6). As shown in Figure 7, the drive roller B is constantly pressed against the guide rail 6 by springs D that are placed between the housing of the U-shaped plate 36 of the drive unit F2 and the motor flange C.

[0015] As shown in Figure 7, the bed frame (B) has a clasp 7 secured with an adjustment bolt 8, and upper and lower guide rails 6 integrated with a base 10. The drive unit F2 (right side of Figure 5) and auxiliary wheels 9 are arranged to sandwich the upper and lower guide rails 6, as shown in Figure 6. The drive roller B is in pressure contact with the upper guide rail 6 and runs back and forth along the guide rail 6 as a result of the rotation of the motor A. In the groove of this upper guide rail 6, a wear-resistant member 32 made of rubber, leather, plastic, etc. is laid and fixed with an adhesive or the like to form a unit, in order to prevent slippage when the drive roller B runs along the guide rail 6 and to reduce noise during running. Figure 6 shows an enlarged view of part L in Figure 5.

[0016] These mechanisms allow the drive unit F2 to stand on its own and maintain a vertical position without falling off. As shown in Figure 7, the drive unit F2 has a holder 13 into which the lower part of the table support plate 2 fits, and the lower part of the table support plate 2 is inserted into the upper opening a and fixed in place with a bolt 14 (see Figure 8).

[0017] The two upper and lower guide rails 6 in Figure 7 are fixed to the base 10 with screws or the like and are integrated, and the clasp 7 and base 10 are fixed with screws or the like, but if the shapes of the clasp 7 and base 10 are changed and the clasp 7 is bent into a hook shape 7a as shown in Figure 11, the pointed lower part of a member 10a made of extruded aluminum that integrates the base 10 and guide rail 6 is fitted into this, and a pressure plate 19 is fixed to the pointed upper part of member 10a with screws 20, then member 10a can be easily fixed to clasp 7a.

[0018] By doing as described above, the fasteners 7a can be attached to any location on the bed frame (B) of an existing bed after the fact, and the guide rail member 10a, which is integrated with the base, can be fixed using only the clamping brackets 19 and screws 20. Therefore, there is no need to provide holes or female screws in the main bed frame (B) in advance to fix the series of guide rails 6, and since they are not directly screwed into the bed frame (B) with wood screws, there is no risk of damaging the bed. Furthermore, as long as the bed has a plate-shaped bed frame (B), it can be attached without any restrictions to the shape of the bed structure, and since the series of guide rails 6 can be easily fixed to the bed, it can be easily rotated and set on other beds.

[0019] In the bridge-type table, in Figure 8, the drive unit F2 is placed on the right side of the bed between upper and lower guide rails 6, allowing it to move independently. Similarly, on the opposite left side, the bed frame (B) has upper and lower guide rails 6, which are integrated with the base 10, fixed with fasteners 7, and the drive motor A, spring D, and gear-shaped roller B of the drive unit F2 have been removed, leaving only wheels 9 arranged vertically, creating an independent mobile body called mobile body F3 (left side of Figure 8). This mobile body F3 also has a holder 13, into which the lower part of the table's support plate 2 is inserted and fixed with bolts 14.

[0020] 10, the lower part of the support plate 2 is provided with insert nuts 18 arranged in staggered vertical positions as height adjustment means, and by fastening it to any step with a fixing bolt 14, the height of the table top 1 can be adjusted in multiple steps, and this height adjustment means can be of various types, such as a sliding type. Although the support plate 2 is shown as a plate in the figure, it can also be a round, square, or rectangular pipe, and the holder shape can be made to suit it.

[0021] Also, instead of the moving body F3, a drive unit F2 with a drive source can be used. In this case, both drive sources must be synchronized with the same specifications. As shown in Figure 8, the lower part of the support plate 2 of the bridge-type table is inserted into the holder 13 of the drive unit F2 and the holder 13 of the moving body F3, and fixed with bolts 14, making it detachable and allowing for the aforementioned height adjustment.

[0022] As mentioned above, the table can be easily detached, and after the table is removed, the drive unit F2 and moving body F3 remain on the rails and stand on their own. Since the drive unit F2 has a drive source, it is possible to choose between using a bridge-type table or a cantilever table as in Example 4 described below, which is convenient in hospitals, facilities, etc. Furthermore, as mentioned above in (0017) and (0018), it can be easily moved to another bed and used. When a geared motor is used as the drive source motor A of the drive unit F2, the drive roller B is pressed against the guide rail 6, so that from the moment the movement stops, the brake is effectively applied and the table does not move freely. Therefore, there is no need to provide a separate brake mechanism. Furthermore, when the table is not needed, it can be removed from the holder 13, and the table top 1 and support plate 2 can be folded using the folding metal fittings 17, and the support plate 2 can be folded, so it does not take up much space and is easy to move. Moreover, since the table does not have a drive unit, it is light and does not suffer from damage or malfunction. As mentioned above, various tables can be easily attached and detached to and from the bed as needed.

[0023] The driving principle of drive unit F2 was explained above (0014). This drive unit F2 has a drive roller B, two auxiliary wheels 9 in front and behind it, and two auxiliary wheels 9 arranged opposite each other on either side of a guide rail 6, and the drive roller B presses against the guide rail 6 to move. Figure 21 shows the exact same driving method as drive unit F2, but as shown in Figure 21, small casters 40 are installed on the underside of the U-shaped plate 39 in a straight line in the direction of travel so that two of them come into contact with the frame (B). By doing this, the load from above is distributed to the small casters 40 as well. This method is called drive unit F7. This small caster 40 can also be applied to the drive units F2 and F3 described above. However, in the case of a cantilever table, this drive unit F7 is turned upside down so that the small caster 40 is on the upper side and a load is applied to it. Therefore, the drive roller B presses against the underside of the guide rail 6 and moves. This is because in the case of a cantilever table, there is nothing to support one side, so the load is applied horizontally as well as vertically, causing imbalance. [Example]

[0024] The table can also be detached as a cantilevered table. As shown in Figure 9, guide rails 6 are provided on either side of the bed frame (b) of the bed body, integrated with the base 10, and the roller B of the drive unit F2 mentioned above presses against the guide rails 6, and moves along the guide rails 6 as the motor A rotates. The cantilevered table top 1 and the support plate 2 that supports it are shown in Figure 7, with the drive unit F2 having a holder 13 that fixes the bottom of the support plate 2 with an insert bolt 14. The bottom of the support plate 2 has multiple insert nuts 18 arranged in staggered steps in the vertical direction, as shown in Figure 10, and can be fastened at any step with the fixing bolt 14, allowing the height of the table top 1 to be adjusted over multiple steps. After the table is removed, the table top 1 and support plate 2 can be folded using folding fittings 17. [Example]

[0025] The right side of Figure 16 shows that the drive method is the same as the drive unit F2 described above, but there are no auxiliary wheels 9 sandwiching the guide rail 6 on the underside, and two small casters 40 are arranged in contact with the bed frame (B) so that they can rotate back and forth and move.

[0026] In Figure 17, the driving principle is the same as that of the drive unit F2 of (0014) in (Example 3) described above, with the arrangement of front and rear auxiliary wheels 9 on the drive roller B, and the drive roller B is pressed against the upper guide rail 6 and moves back and forth along the guide rail 6 by the rotation of the motor A, and as shown in Figure 17, two small casters 40 are arranged on the underside of the U-shaped plate 37 so that they run in contact with the side of the bed frame (B) of the bed body, so that the load from above is shared by both sides of the two auxiliary wheels 9 on the upper guide rail 6 and the two small casters 40 in contact with the bed frame (B). The drive source for this method is drive unit F4, and this drive unit F4 has a holder 13 into which the lower part of the table support plate 2 fits, and the lower part of the table support plate 2 is inserted into the upper opening a and fixed with a bolt 14.

[0027] As shown in Figure 17, the drive unit F4 can be easily removed from the guide rail 6 by lifting it up, and conversely, to attach it, simply align the drive roller B and auxiliary wheel 9, which are in a straight line, with the grooves in the guide rail 6. Furthermore, by using the fastener 7a, base 10a, and guide rail 6 integrated as described above (0017), it can be easily set on the bed, and the lower part of the table support plate 2 can be inserted into the holder 13 of F4 and set, making it a feature that all parts are detachable. Therefore, there is no need to fasten any of the parts to the bed body with screws, bolts, etc. Alternatively, multiple holes can be drilled in the aluminum extrusion-formed member 10a, and it can be fastened directly to the bed frame (B) in multiple places with screws, etc.

[0028] As shown in Figure 17, the base 10 has a guide rail 6 only on the upper side, and a wear-resistant member 32 made of rubber, leather, plastic, etc. is laid in the groove at the bottom of the guide rail 6 to prevent noise and slippage when the drive roller B runs, and is fixed with an adhesive or the like to form an integrated unit.

[0029] Figure 18 shows a bridge-type table using drive unit F4. The moving body F5 on the left side does not have the drive sources motor A, spring D, and gear-shaped roller B of drive unit F4, and is made up of two auxiliary wheels 9 that contact the upper side of guide rail 6 and two small casters 40 that contact bed frame (B). It also has a holder 13 that fits the lower part of table support plate 2, and the lower part of table support plate 2 is inserted into the upper opening a (see Figure 17) and fixed with bolts 14, making this moving body F5. See the left side F5 of Figure 16. Drive unit F4 may be used instead of moving body F5. In this case, both drive sources should have the same specifications and be synchronized.

[0030] As described above in (Example 3), (Example 4), and (Example 5), the base 10 that is integrated with the guide rail 6 is fixed to the fastener 7 or 7a with screws or the like, and is fixed to the frame (b) with the adjustment bolt 8, but in other examples as well, the base 10 that is integrated with the guide rail 6 may be fixed directly to the frame (b) with multiple wood screws or screws or the like. [Example]

[0031] Normally, the top surface of a table would always be flat, but when using the table on a bed to read, write, or type on a computer keyboard, it is better to tilt the table facing away from you. In this case, there is no need to tilt the entire table. Figure 12 is a view of the table from above. The table top 1 is divided into three parts, and the undersides of the left and right two parts 1a and 1b are fixed with multiple connecting members 21 and 21a using wood screws 22, and are supported by both support plates 2. One side of the central part 1c is fixed to multiple torque hinges 23, and one side of the hinge is fixed to connecting member 21a. It is movable and can be tilted, but depending on the purpose of use, it is sometimes necessary to tilt the angle from a low angle to nearly 90 degrees (vertical). In this regard, the present invention has the feature that it can be tilted and maintained at a wide angle in a subtle and stepless manner, without the user's posture remaining the same.

[0032] Figure 13 shows the state in which the central part 1c is tilted, and a stopper member 24 is provided to prevent books and the like from slipping off when tilted. The lower right side is fixed with multiple torque hinges 23 strong enough to hold 1c stably against load, but when 1c is in an approximately horizontal position, the only way to tilt it is to reach in from the lower left side and lift it upwards, and even then a certain amount of force is required.

[0033] Figure 14 does not show the torque hinge 23, but a hollow pipe 25 is fixed to the underside of the 1c with multiple clamps 33 and screws, and a rod rod 26 is placed inside the hollow pipe 25 so that it can slide. A spring 28 is attached to one end of the rod rod, and one end of the spring 28 is fixed by a boss 29. A handle 27 is fixed to one of the rod rods 26, and by pulling the handle 27 towards you and pushing it downward, the front side of the 1c will easily lift up using the principle of leverage. When you release the handle, it will return to its original position due to the force of the spring. Once lifted, it can be adjusted to the optimum angle directly with your hands, and to return the 1c to its original position, you can simply pull the handle 27 towards you and push it upward. [Example]

[0034] As in the present invention, a remote control is required when moving a table, and similarly for an electric bed, and this invention is an electric moving table that is specifically designed for electric beds. However, there are also many other devices around the bed, including smartphones, televisions, air conditioners, lights, electric blankets, intercoms, and other control devices, and currently it is difficult to find a place to store them.

[0035] In this invention, the bed frame (b) has guide rails 6 and the movable body F3 (see Figure 8, left). This movable body F3 has two auxiliary wheels 9 that sandwich the guide rails 6 above and below, allowing it to move freely left and right with little force. This movable body F3 has a holder 13. Using this movable body F3, the lower part of the support plate 2 is inserted into the holder 13 as shown in Figure 10 and fixed with bolts 14. As shown in Figure 15, there is a panel 30 on the top of the support plate 2. This embodiment is shown (left side of Figure 5). An example of various remote groups (operating devices) attached to this panel 30 is shown in 31 of Figure 15. These are attached by attaching the remote main body directly or to a remote holder with screws, magnets, Velcro, etc., and the remote devices (operating devices) can be attached and detached from the holder, magnets, or Velcro, so they can be operated by hand or while attached. When not in use, they can be moved toward the headboard, and the same is true when getting in and out of bed, so they do not get in the way.

[0036] When lying in bed, especially when using an electric bed, the position of the body changes each time, and as a result the optimum position for operating these remote devices (control devices) also changes. It is troublesome to twist the body or move one's hands even slightly behind the back when operating them, and especially when operating them in the dark at night, the shape and relative positions of the various control devices are known, so when searching for the desired device, the desired control device can be placed in the optimum position for the hand by simply moving the panel 30 (see Figure 15). [Example]

[0037] The panel 30 of the (7th embodiment) (0035) is designed to be able to detachably attach a smartphone, a blood pressure monitor, and various remote groups 31 (operating devices) with magnets, holders, etc. In FIG. 19, there is a box 41 on the back side of the panel 30, and there are multiple hinges 47 on the underside of the panel 30 and the underside of the box 41 (see FIG. 20), the panel 30 corresponds to the opening and closing cover of this box 41, and the opening degree of the panel 30 is the optimum angle for taking out the contents and is regulated by a stay 45, and there is a magnet on the inside of the top surface of the box 41. The panel 30 is equipped with a locking catch 44 that prevents the panel 30 from opening freely unless pulled by hand, and furthermore, as shown on the back of the panel 30 in Figure 20, a small, horizontally elongated box 46 is attached to the back of the panel 30, which has a partition and allows for the storage of other items 50, such as writing utensils, memo paper, thermometers, glasses, etc., from the top. Tissues and a desk lamp can be placed in 42 on the top surface of the box 41, while the space inside 43 of the box 41 can store books, diaries, plastic bottles, etc. Also, as shown in Figures 19 and 20, there is a stand 51 on the back of the box 41 with a gap 52 between them, and newspapers, magazines, or laptops can be taken in and out from this gap 52 either from the side or through opening b from above. In this way, this device functions as a substitute for the series of electric tables mentioned above, and may be used alone or in combination with other devices.

[0038] In addition, a hook can be attached to either side of box 41 so that headphones, neck speakers, etc. can be hung and connected to the audio output terminal of a television or audio device. Alternatively, multiple small speakers, an amplifier, and a volume control (not shown) can be attached to the underside of a small, horizontally long box 46 on the back of panel 30 at 53 (see Figure 20), with the volume knob on the surface of panel 30 so that the volume can be adjusted and the sound can be heard close to the ear. In this case, panel 30 has many small holes concentrated where the speakers are located so that the sound comes out to the front. Of course, the audio output terminal of the television or audio device is connected to the input of the amplifier. In this way, a speaker with a built-in amplifier can be installed inside box 41.

[0039] The underside of the box 41 is fixed to the support plate 2 with screws or the like, and the lower part of the support plate 2 has multiple insert nuts 18 arranged in staggered positions in the vertical direction as shown in (Figure 10), and the lower part of this, as shown in the movable body F3 (see the left side of Figure 5), has a holder 13 on the movable body F3, and the height can be adjusted and fixed by inserting it into this holder 13 with a fixing bolt 14. In this way, it is possible to operate various operating devices and remote controls, both wireless and wired (not shown) 31, and the storage box 41, which compactly stores items that are frequently used on the bed, and can be easily moved manually to the best and most optimal position. [Example]

[0040] Figure 20 shows a method in which the integrated panel 30 and storage box 41 of the above (Example 8) is moved to the optimal position by a moving body F3, but as shown in Figure 20, the support plate 2 of the box 41 is fixed to a base plate 49 on the underside, and a total of four casters 4, two on the left and right and two on the front and back, are fixed to the underside of the base plate 49 with screws or the like, and the weight of the integrated panel 30 and storage box 41 is supported and manually moved to the optimal position. One side of a U-shaped angle 48 is fixed to the support plate 2 with a screw or the like, and the other side of the U-shaped angle 48 is inserted into a holder 13 of the movable body F3 as shown in Figure 20, and is not fixed in place so that it can move up and down freely. This is to absorb the up and down movement of the caster 4 as it runs on an uneven floor. The movable body F3 has a base 10 integrated with a guide rail 6 (not shown in the figure) fixed to one side of the bed frame (B), and the movable body F3 acts as a guide that can move freely back and forth. Alternatively, instead of the movable body F3, a well-known slide rail or the like equivalent to the holder 13 can be attached to the bed frame (B), and the installation position can be freely selected. [Explanation of symbols]

[0041] (b) Bed frame A. Motor with deceleration B Gear-shaped drive roller D spring F1 drive unit F2 drive unit F3 Mobile F5 Mobile F7 drive unit 2 post board 3 bottom plate 6 guide rails 9 auxiliary wheels 10 pedestals

Claims

1. A bed table that is placed on top of a bed body that has left and right side frames, a headboard, and a footboard, the table having a table section on which objects can be placed, and legs extending downward from both sides of the table section, with roller sections at the bottom of both legs that slide along rail sections located on either the side frames or the floor section.

2. The bed table according to claim 1, characterized in that the rail portion is laid on the floor on which the bed is placed, and the roller portion is a drive roller attached to a connecting member that connects the lower parts of the left and right legs and driven by a drive motor that can rotate forward and backward.

3. The bed table according to claim 1, characterized in that the rail portions are provided above and below the left and right side frames, and a plurality of auxiliary wheels are arranged in front of and behind the drive roller that slides along the rail portions, and the auxiliary wheels are provided above and below the rail portions so as to sandwich them.

4. The bed table according to claim 1, characterized in that the rail portion is provided on the upper side of the left and right side frames, and a plurality of auxiliary wheels are arranged in front of and behind the drive roller that slides along this rail portion, as well as a plurality of wheels that contact the side frames.

5. 4. The bedside table according to claim 3, wherein the rail portions are fixed to the left and right frames by detachable members.

6. The bed table according to claim 1, 2 or 3, characterized in that the table is divided into three sections in the left-right direction and an angle adjustment means is provided in the center so that the front side can be tilted upward.

7. A bed table as described in claim 3, characterized in that a panel member is slidably attached to the rail, located between the footboard and the headboard, near the headboard, on which operating devices for operating the bed or equipment around the bed are placed.

8. A bed table as described in claim 3, characterized in that a panel member and an item storage box are slidably attached to the rail, located between the footboard and the headboard, near the headboard, on which operating devices for operating the bed or equipment around the bed are placed.

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