JP2020174975A - Mobile furniture - Google Patents

Abstract

To improve convenience by allowing a user to easily visually decide a movable state and an immovable state of a mobile furniture.SOLUTION: A mobile furniture 100 includes a movement switching mechanism 10 for switching between a movable state by the rolling of casters 8F, 8R provided in a lower part and an immovable state where movement by the rolling of the casters 8F, 8R is disabled. The movement switching mechanism 10 includes a movement switching operation tool 9 and a movement switching state display unit 50. The movement switching operation tool 9 can be changed into a posture before operation where operating force is not applied thereto and a posture after operation where the operating force is applied thereto and displaced, and automatically returns to the posture before operation by the operating force being released when in the posture after operation. The movement switching state display unit 50 makes a different display in the movable state and the immovable state in conjunction with the posture change of the movement switching operation tool 9. The movement switching mechanism 10 is configured so as to bring the movement switching operation tool 9 into the immovable state when in the posture before operation, and alternatively, into the movable state when in the posture after operation.SELECTED DRAWING: Figure 4

Description

The present invention relates to mobile furniture with casters.

Tables for offices and conference rooms generally have a structure in which the top plate is supported by the left and right legs. Then, for example, a table for a conference room is often moved, and casters are often provided at the lower end of the legs. In addition to tables with casters, there are cabinets with casters as movable furniture that can be moved by rolling the casters.

Since the table is subjected to an external force that tries to move it horizontally for various reasons during use, it is impossible to move due to the rolling of the casters so that the table does not move during use, and the casters roll. A movement switching mechanism for switching to a movable state capable of moving by motion is provided (see Patent Documents 1 to 3).

In each table disclosed in Patent Documents 1 to 3, the top plate is provided so as to be rotatable between a substantially horizontal usage posture and an upright storage posture, and when the top plate is in the storage posture, a movement switching mechanism is a table. Is configured to be mobile. In addition, a movement switching operation lever for switching the table between the movable state and the immovable state is provided on the lower surface of the top plate, and by operating the movement switching operation lever, the caster can be used even when the top plate is in the usage posture. It is configured so that the table can be moved by rolling.

JP-A-2017-86355 Japanese Patent No. 5785145 Japanese Patent No. 5356678

However, in each table disclosed in Patent Documents 1 to 3, whether the table is in a movable state or an immovable state even if the user operates the movement switching operation lever when the top plate is in the use posture. There was a problem that it was difficult to judge and it was not convenient. Such defects have occurred not only in tables but also in movable furniture that can be moved by rolling casters, such as cabinets with casters.

The present invention has been made to improve such a situation.

The present invention is a mobile furniture provided with a movement switching mechanism for switching between a movable state due to the rolling of a caster provided at a lower portion and a non-movable state in which the caster cannot be moved due to the rolling. The switching mechanism can change the posture between the pre-operation posture in which no operating force is applied and the post-operation posture in which the operating force is applied and displaced, and the operating force is released when the switching mechanism is in the post-operation posture. As a result, the movement switching operation tool that automatically returns to the pre-operation posture and the movement switching state display that displays differently between the movable state and the immovable state in conjunction with the posture change of the movement switching operation tool. The movement switching operation tool is configured to be in the non-movable state when it is in the pre-operation posture, and to be in the movable state when it is in the post-operation posture.

According to the mobile furniture of the present invention, when the user operates the movement switching operation tool, the switching of the display of the movement switching state display unit comes into the user's field of view, so that the user can use the mobile furniture. Convenience is improved because it can be easily visually determined whether it is in a movable state or an immovable state. In addition, since the movement switching operation tool automatically returns to the pre-operation posture when the operation force is released by the user, the movable furniture can be moved when the operation force on the movement switching operation tool is released. It is possible to automatically return to the immovable state from, and prevent forgetting to switch to the immovable state.

In the mobile furniture of the present invention, it is preferable that the movable switching operation tool is provided in the upper half of the mobile furniture. Here, the upper half portion of the mobile furniture means a portion of each portion constituting the mobile furniture, which is located above the intermediate position in the height direction.

According to such an aspect, since the movable switching operation tool is provided in the upper half of the mobile furniture, the movable furniture can be moved in a movable state by operating the movable switching operation tool. It becomes easier to operate the movement switching operation tool while moving the type furniture, and the furniture can be moved smoothly.

Further, in the mobile furniture of the present invention, the movement switching mechanism is configured to be able to switch between the movable state and the immovable state by changing the posture of the movement switching operation member which is a member different from the movement switching operation tool. Even if the movement switching operation member is in the immovable state, the movement switching operation tool can be switched to the movable state by putting the movement switching operation tool into the post-operation posture. Good.

According to such an aspect, it is possible to switch between a continuously movable state and a continuously immovable state by changing the posture of the movement switching operating member, and the movement is switched in the continuous immovable state. By operating the operating tool, it can be temporarily made movable, which improves convenience.

In the configuration including the movement switching operation member, it is preferable that the movement switching state display unit displays differently between the movable state and the non-movable state in conjunction with the posture change of the movement switching operation member. ..

According to such an aspect, the user switches between the movable state and the immovable state by changing the posture of the movement switching operation tool, and switches between the movable state and the immovable state by changing the posture of the movement switching operation member. In both cases, it is possible to easily visually determine whether the mobile furniture is in a movable state or an immovable state, which improves convenience.

In such an embodiment, in the mobile furniture, the casters are attached to the lower part of the legs that support the top plate, and the top plate is supported by the legs via a rotating shaft extending horizontally to the left and right. A table that can rotate between a horizontal use posture and an upright storage posture is configured, and the movement switching operation member is composed of the top plate, and when the top plate is in the storage posture, An example may be mentioned in which the movement switching mechanism is set to the movable state and the movement switching state display unit is configured to display a display different from the display in the non-movable state.

According to such an aspect, the table can be moved by rolling the casters when the top plate is in the storage posture, and the table can be easily moved in the top plate storage posture to improve convenience.

In the mobile furniture constituting the table, the movement switching operation tool is provided on the top plate or is at a position where the user can operate while holding the top plate with the top plate. May be provided on different members.
Further, the mobile furniture of the present invention constitutes a table in which the casters are attached to the lower part of the legs supporting the top plate, and the movement switching operation tool is provided on the top plate or It may be provided in a member different from the top plate at a position where the user can operate while gripping the top plate.
Here, "the movement switching operation tool is provided at a position where the user can operate while holding the top plate and is provided on a member different from the top plate" means that the user holds the top plate and hands. It means that the movement switching operation tool is provided at the position where the object can be reached (for example, the leg support).

According to such an aspect, the user can move the table (movable furniture) while operating the movement switching operation tool in a natural posture, and the convenience is improved.

In the mobile furniture constituting the table, the leg body includes a leg base to which the casters are attached and a leg support extending upward from the leg base, and the movement switching state display unit is an upper surface of the leg base. The movement switching operation tool and the movement switching state display unit may be interlocked with each other via an interlocking member provided in the leg strut.

According to such an aspect, when the top plate stands upright and is in the stored posture, the user can easily visually recognize the movement switching state display unit provided on the upper surface of the leg base of the leg body. Further, since the movement switching state display unit displays differently depending on whether the table is in the immovable state or the movable state, it becomes easy to grasp that the table in the stowed posture is in the movable state due to the rolling of the casters.

Another aspect of the present invention is a mobile furniture provided with a movement switching mechanism for switching between a movable state due to the rolling of casters and an immovable state in which movement due to the rolling of the casters is disabled. The switching mechanism includes a movement switching operation tool and a movement switching state display unit which is connected to the movement switching operation tool via an interlocking member and interlocks with the operation of the movement switching operation tool. It is provided at a position separated from the movement switching operation tool, and displays differently between the movable state and the non-movable state in conjunction with the operation of the movement switching operation tool.

According to another aspect of the present invention, by providing the movement switching operation tool and the movement switching state display unit at a distance from each other, the movement switching operation tool is provided at a position where the user can easily operate, while the movement switching state display is provided. The unit can be provided at a position that is easy for the user to see, and the user can easily operate the movement switching operation tool, and the movement switching status display unit indicates whether the mobile furniture is in a movable state or an immovable state. Convenience is improved because it can be easily judged visually by the display of.

In the mobile furniture of the present invention, the user can easily visually determine the movable state and the immovable state of the mobile furniture, and the convenience can be improved.

It is a perspective view which shows the table, (A) shows the use posture, (B) shows the storage posture. It is a side view which shows the table, (A) shows the use posture, (B) shows the storage posture. It is a top view which shows the table of the use posture. It is a perspective view which shows the periphery of the left leg body enlarged. It is a side view which shows the upper part of the top plate lock mechanism and the movement switching mechanism at the time of using the top plate. It is a side view which shows the upper part of the top plate lock mechanism and the movement switching mechanism in the top plate storage posture. It is a separation perspective view of the top plate support part. It is a vertical cross-sectional view of the lower part of a leg body at the time of using the top plate. It is a separated perspective view which looked at the leg body from diagonally below. It is a separated perspective view of the caster seen from diagonally above. It is a separated perspective view of the caster seen from diagonally below. It is a vertical cross-sectional view which shows the periphery of the front caster at the time of using the top plate. It is a vertical cross-sectional view which shows the periphery of the rear caster at the time of using the top plate. It is a separation perspective view of the upper part of the movement switching mechanism. It is a separation perspective view around the temporary release operation lever of the upper part of the movement switching mechanism. It is a separation perspective view of the caster operation lever member of the lower part of the movement switching mechanism. It is a side view which shows the upper part of the top plate lock mechanism and the movement switching mechanism at the time of operating a temporary release operation lever. It is a vertical cross-sectional view of the lower part of a leg body at the time of operating a temporary release operation lever. It is a vertical cross-sectional view which shows the periphery of the front caster at the time of operating a temporary release operation lever. It is a vertical cross-sectional view which shows the periphery of the rear caster at the time of operating a temporary release operation lever. It is a vertical cross-sectional view of the lower part of a leg body in the top plate storage posture. It is a vertical cross-sectional view which shows the periphery of the front caster in the top plate storage posture. It is a vertical cross-sectional view which shows the periphery of the rear caster in the top plate storage posture.

Next, an embodiment of the present invention will be described with reference to the drawings. In this embodiment, the present invention is applied to a foldable table. In this specification, for convenience, the front-back / left-right directions are used to specify the direction, but the front-back / left-right directions are in the horizontal plane with the direction in which the pair of legs 3 and 3 are arranged as the left-right direction. The direction orthogonal to the left-right direction is the front-back direction. In addition, the side where the user is located in the normal use state is the front or the back, and the opposite side is the back or the front.

1A and 1B are perspective views showing a schematic configuration of the entire table 100, where FIG. 1A shows a usage posture and FIG. 1B shows a storage posture. 2A and 2B are side views showing the table 100, in which FIG. 2A shows a usage posture and FIG. 2B shows a storage posture. FIG. 3 is a plan view showing a table 100 in a usage posture. FIG. 4 is an enlarged perspective view showing the periphery of the left leg body 3. FIG. 5 is a side view showing the upper part of the top plate locking mechanism 4 and the movement switching mechanism 10 when the top plate 1 is in use. FIG. 6 is a side view showing the upper portions of the top plate locking mechanism 4 and the movement switching mechanism 10 when the top plate 1 is in the retracted posture.

As shown in FIGS. 1 to 4, in the table 100 of the present embodiment, the top plate 1 is supported by the left and right legs 3 and 3 via a connecting pipe 2 as a rotation axis extending horizontally to the left and right. The top plate 1 is configured so that it can be flipped up, and has a substantially horizontal usage posture (see FIGS. 1 (A) and 2 (A)) and a storage posture that stands substantially parallel to the leg support 7 of the leg body 3. (See FIGS. 1 (B) and 2 (B)) so as to be rotatable about the axis of the connecting pipe 2.

As shown in FIG. 5, the top plate 1 and the upper ends of the left and right legs 3 and 3 have a top plate locking mechanism 4 inside which holds the posture of the top plate 1 at the lower left and right edges of the top plate 1. It is connected via the top plate support portion 5 provided in the above. The lock is released by pushing up the lock release operation lever 15 exposed on the left and right outward side surfaces of the top plate support portion 5, so that the top plate 1 can be rotationally displaced between the use posture and the storage posture. It has become. Further, below the front edge portion of the top plate 1, a curtain plate 30 extending in the left-right direction at a position in front of the leg support 7 is provided.

The leg body 3 has a substantially L-shaped side view with a leg base 6 extending substantially in the front-rear direction along the floor and a square tubular leg support 7 rising from the front end of the leg base 6 in an inclined posture. There is. The front casters 8F and the rear casters 8R are attached to both front and rear ends (lower part of the leg body 3) of the leg base 6.

Although the details will be described later, the casters 8F and 8R are configured to be able to switch between a caster lock release state in which the wheels can rotate and horizontally turn and a caster lock state in which the wheels cannot rotate, and the table 100 has a lower surface of the top plate 1. The movement switching mechanism 10 that switches between the caster lock release state (movable state) and the caster lock state (immovable state) of the casters 8F and 8R by operating the temporary release operation lever 9 as an example of the movement switching operation tool provided in Is provided. In the present embodiment, the temporary release operation lever 9 is provided on the upper half of the table 100 (a portion of each portion constituting the table 100 located above the intermediate position in the height direction).

The movement switching mechanism 10 includes a temporary release operation lever 9 provided at the left and right corners on the front side of the lower surface of the top plate 1, and a movement switching state display unit 50 provided at a portion closer to the front of the leg base 6 of the leg body 3. There is. The movement switching state display unit 50 is configured to display different displays in the movable state and the immovable state in conjunction with the operation of the temporary release operation lever 9.

In the present embodiment, a viewing window 51 provided on the upper surface of the leg base 6 and an immovable display unit 52A and a first movable display unit 52B provided inside the leg base 6 so as to be slidable in the front-rear direction are provided, and the immovable display is provided. The unit 52A and the first movable display unit 52B are arranged in the front-rear direction and have different colors from each other. Then, when the top plate 1 is in the use posture, the immovable display unit 52A is located directly under the viewing window 51 in the caster lock state in which the temporary release operation lever 9 is not operated, and the temporary release operation lever 9 is set by the user. In the operated caster lock release state, the first movable display unit 52B is configured to be located directly below the viewing window 51.

According to the table 100, when the user operates the temporary release operation lever 9 on the lower surface of the top plate 1 with his / her eyes facing downward, the display of the movement switching state display unit 50 provided on the leg body 3 below the top plate 1. By entering the switching of the table 100 into the user's field of view, the user can easily visually determine whether the table 100 is in a movable state or an immovable state, which improves convenience. Further, even if the user does not know the function of the temporary release operation lever 9, the display of the movement switching state display unit 50 provided on the leg 3 is switched in conjunction with the operation of the temporary release operation lever 9. This makes it possible to associate the operation of the temporary release operation lever 9 with or without the movement of the table 100 due to the rolling of the casters 8F and 8R, which makes it easier to understand the function of the temporary release operation lever 9.

Next, each part of the table 100 will be described with reference to FIGS. 7 to 16. In the following description of each part, the front-back direction and the up-down direction when the top plate 1 is in the use posture are used as a reference. FIG. 7 is a separated perspective view of the top plate support portion 5. FIG. 8 is a vertical cross-sectional view of the lower part of the leg body 3 when the top plate is in use. FIG. 9 is a separated perspective view of the leg body 3 viewed from diagonally below. FIG. 10 is a separated perspective view of the casters 8F and 8R viewed from diagonally above. FIG. 11 is a separated perspective view of the casters casters 8F and 8R viewed from diagonally below. FIG. 12 is a vertical cross-sectional view showing the periphery of the front caster 8F when the top plate 1 is in use. FIG. 13 is a vertical cross-sectional view showing the periphery of the rear caster 8R when the top plate 1 is in use. FIG. 14 is a separated perspective view of the upper part of the movement switching mechanism 10. FIG. 15 is a separated perspective view of the vicinity of the temporary release operation lever 9 on the upper part of the movement switching mechanism 10. FIG. 16 is a perspective view showing the caster operation lever member 91 at the lower part of the movement switching mechanism 10 separated together with the casters 8F and 8R.

As shown in FIGS. 1 to 10, the leg body 3 includes a resin transmission plate guide member 11 connected to the upper end portion of the leg support column 7. The transmission plate guide member 11 has a substantially rectangular parallelepiped shape, and the lower portion and the middle portion are inserted into the upper end portion of the square tubular leg strut 7, and the upper portion is exposed upward from the upper end of the leg strut 7. It is fixed to the support column 7. The upper portion of the transmission plate guide member 11 is formed in a frame-shaped portion 11a that opens in the left-right direction, and the upper end portion of the vertical transmission plate member 81 and the operation transmission pin 72, which will be described later, are configured to be displaceable in the frame-shaped portion 11a. Has been done.

Metallic leg connecting members 20 are attached to the left and right inward side surfaces of the upper part of the leg support 7 and the upper part of the transmission plate guide member 11, and the left and right leg connecting members 20 are connected in a cylindrical shape to the left and right legs 3 and 3. It is integrated by connecting with a pipe 2.

The left and right top plate support portions 5 are rotatably supported by both end portions of the connecting pipe 2 and are fixed to the left and right end portions on the lower surface of the top plate 1. As shown in FIG. 3, the left and right top plate support portions 5 have substantially the same structure. The upper arm 12 constituting the main body of the top plate support portion 5 is attached to the lower surface of the top plate 1 with mounting screws (not shown).

As shown in FIG. 6, the metal upper arm 12 has a plate-shaped top surface portion 13 that is attached to the lower surface of the top plate 1 and is long in the front-rear direction, and a side surface portion 14 that extends downward from the left and right side edges of the top surface portion 13. , 14 and a substantially U-shaped cross section, and the inside is hollow. In FIG. 6, the top surface portion 13 is divided along the front-rear direction at the center position in the left-right direction, but the upper arm 12 may be an integral body in which the top surface portion 13 is not divided. The side surface portion 14 has a laterally substantially convex shape in which the central portion in the longitudinal direction protrudes in the direction opposite to that of the top surface portion 13. The top plate locking mechanism 4 is arranged between the side surface portions 14 and 14 of the upper arm 12. The downward opening and the front-rear opening of the upper arm 12 are closed by the lower cover member 37 attached to the side surface portions 14, 14 edges of the upper arm 12.

As shown in FIGS. 5 to 7, the top plate locking mechanism 4 sandwiches the connecting pipe 2 in the front-rear direction and is fixed to the connecting pipe 2 and the leg connecting member 20 so as not to rotate relative to each other. It includes a stopper member 17, a metal lock claw member 18 and a lock claw support shaft 19 which are rotatably attached to the upper arm 12 around an axis extending in the left-right direction.

Circular bearing holes 26, 26 through which the connecting pipe 2 is inserted are formed in the side surface portions 14, 14 of the upper arm 12. At the left and right ends of the connecting pipe 2, a rear opening 2a into which a forward boss portion 16a provided in a forward arc portion 16c of the lock member 16 that opens inward along the outer peripheral surface of the connecting pipe 2 is inserted, and a connecting pipe 2 The front opening 2b into which the rearward boss portion 17a of the top plate stopper member 17 that opens toward the front along the outer peripheral surface is inserted is provided so as to face each other in the front-rear direction. The leg connecting member 20 has a substantially L-shape in front view, a connecting portion 28 extending downward is bolted to the upper part of the leg body 3, and a cylindrical lock member fixing portion 29 extending inward to the left and right is connected to the connecting pipe 2. It is designed to be inserted inside. A fixing recess 29a into which the forward boss portion 16a of the lock member 16 is fitted is formed on the forward facing side surface of the tip portion of the lock member fixing portion 29 of the leg connecting member 20.

The connecting pipe 2 is inserted into the bearing holes 26 and 26 so that the rear opening 2a and the front opening 2b of the connecting pipe 2 are located between the side surface portions 14 and 14 of the upper arm 12, and the locking member of the leg connecting member 20 is inserted. The fixing portion 29 is inserted into the connecting pipe 2 from the left and right outside. Then, the forward boss portion 16a of the lock member 16 is fitted into the fixing recess 29a of the lock member fixing portion 29 of the leg connecting member 20 via the rear opening 2a of the connecting pipe 2, while the rear facing boss of the top plate stopper member 17 is fitted. The portion 17a is fitted into the front opening 2b of the connecting pipe 2, and the connecting pipe 2 and the lock member fixing portion 29 are sandwiched between the lock member 16 and the top plate stopper member 17. Then, the lock member fixing bolt 36 is screwed into the forward boss portion 16a from the top plate stopper member 17 side through the bolt insertion holes provided in the rearward boss portion 17a and the bottom of the fixing recess 29a, respectively, to connect the connecting pipe. 2. The leg connecting member 20, the lock member 16, and the top plate stopper member 17 are fixed so as not to rotate relative to each other.

In this way, the top plate 1 is rotatably provided around the connecting pipe 2 via the upper arm 12. The connecting pipe 2 of the top plate 1 is not limited to the configuration in which the left and right legs 3 and 3 are connected, and the connecting pipe 2 is provided on each of the left and right legs 3 and 3. The left and right connecting pipes 2 may be provided separately.

As shown in FIGS. 5 to 7, lock claws erected in the support holes 27, 27 provided in the side surface portions 14, 14 of the upper arm 12 on the front side of the bearing holes 26, 26 in the top plate support portion 5. A lock claw member 18 supported on the support shaft 19 so as not to rotate relative to the support shaft 19 is rotatably provided around the lock claw support shaft 19. Further, the top plate lock mechanism 4 is provided with an elastic urging member 25 that urges the lock claw member 18 toward the connecting pipe 2 side.

The metal plate-shaped lock claw member 18 has a substantially L-shape having a rotation base end side portion extending in a direction substantially orthogonal to the lower surface of the top plate 1 and a rotation tip side portion bent toward the connecting pipe 2 side. An oval-shaped shaft insertion hole 18a provided, which is provided near the top plate 1 of the rotation base end side portion and through which the chamfered portion 19a of the lock claw support shaft 19 is inserted, and a top plate 1 on the rotation tip side portion. It has a lock claw portion 18b projecting toward the side, and a lock claw corner portion 18c formed of a corner portion of the rotation tip side portion far from the top plate 1.

The elastic urging member 25 is composed of a kick spring, the lock claw support shaft 19 is inserted through the coil portion 25a of the kick spring, one elastic piece 25b hits the top surface portion 13 of the upper arm 12, and the other. The elastic piece 25c bent in a crank shape is configured to be locked to a portion of the rotation tip side portion of the lock claw member 18 opposite to the lock claw portion 18b.

The left and right outer ends of the lock claw support shaft 19 project left and right outward from the upper arm 12, and the lock release operation lever 15 is fixed to the left and right outer ends so as not to rotate relative to each other. The left and right inner ends of the lock claw support shaft 19 protrude left and right inward from the upper arm 12, and a square tubular lock interlocking shaft 35 for interlocking the left and right unlock operation levers 15 with the left and right inner ends. Is fixed so that it cannot rotate relative to each other.

As shown in FIGS. 4 and 5, when the top plate 1 is in the operating posture, the lock claw portion 18b of the lock claw member 18 is engaged with the lock claw engaging portion 16b of the lock member 16 provided in front of the lock claw member 18. In this way, the upward rotation of the front edge of the top plate 1 is restricted. Further, when the top plate 1 is in the usage posture, the lock member top surface portion 16e provided on the lock member 16 at a position deviated from the lock claw member 18 in the left-right direction is attached to the top surface portion 13 lower surface of the top arm 12 of the top plate support portion 5. The downward rotation of the front edge of the top plate 1 is restricted by the contact with the top plate 1. As a result, the top plate 1 is held in a substantially horizontal usage posture.

As shown in FIG. 6, when the top plate 1 is in the retracted position, the lock claw corner portion 18c of the lock claw member 18 is engaged with the lock claw corner engaging portion 16d of the lock member 16 located below the lock claw member 18. In this way, the forward rotation of the front edge of the top plate 1 is restricted. Further, when the top plate 1 is in the retracted posture, the top plate support portion 5 is provided on the stopper portion 17b projecting backward from the lower portion of the front-facing arc portion 17c of the top plate stopper member 17 attached to the back side of the connecting pipe 2. By contacting the bumper member 21 attached to the lower surface of the top surface portion 13 of the upper arm 12, the inward rotation of the front edge portion of the top plate 1 is restricted. As a result, the top plate 1 is held in an upright storage posture.

The lock member 16 is provided between the lock claw engaging portion 16b and the lock claw corner engaging portion 16d at a position farther from the connecting pipe 2 than the engaging portions 16b and 16d. have. When the lock release operation lever 15 is operated to rotate the top plate 1 to the working posture or the retracting posture, the elastic force of the elastic urging member 25 for urging the lock claw member 18 toward the connecting pipe 2 side is used. The rotation tip side portion of the lock claw member 18 is guided by the lock claw guide portion 16f, and the lock claw portion 18b or the lock claw corner portion 18c is automatically moved to the lock claw engaging portion 16b or the lock claw corner engaging portion 16d. Engage with and lock.

Further, the curtain plate 30 provided below the front edge portion of the top plate 1 is configured to be displaced as the top plate 1 rotates. A curtain plate support arm 31 extending downward and forward is provided at the left and right center portion of the lower surface of the top plate 1 and the portion near the front edge portion of the left and right edge portions. Each curtain plate support arm 31 is rotatably connected to an upper pivot member 32 provided at the upper end of the curtain plate 30 around an axis extending in the left-right direction. One end of the curtain plate link rod 34 is rotatably connected to the lower portion of the left and right edges of the curtain plate 30 around an axis extending in the left-right direction via a lower pivot member 33. The other end of the curtain plate link rod 34 is rotatably connected to the vertical and intermediate portions of the leg support 7 around an axis extending in the left-right direction.

The curtain plate 30 is arranged in a curtain plate usage posture extending substantially in the vertical direction below the front edge portion of the top plate 1 when the top plate 1 is in the usage posture. When the front side of the top plate 1 in the usage posture is rotated upward around the connecting pipe 2 to put the top plate 1 in the storage posture, the curtain plate support arm 31 that rotates integrally with the top plate 1 is the upper end portion of the curtain plate 30. Is moved to the vicinity of the leg support 7, and the curtain plate link rod 34 rotates around the rotation axis on the side of the leg support 7 to move the lower end portion of the curtain plate 30 to the vicinity of the leg support 7. As a result, when the top plate 1 is in the storage posture, the curtain plate 30 is in the curtain plate storage posture extending substantially parallel to the leg columns 7 in a side view.

Next, the leg base 6 and the casters 8F and 8R of the leg body 3 will be described with reference to FIGS. 8 and 9. The leg base 6 has a substantially L-shaped side view in which the front portion (back side) protrudes upward, and the inside is hollow and opens downward. The front casters 8F and the rear casters 8R are attached to the front end portion and the rear end portion of the leg base 6. The front side wall portion and the rear side wall portion of the leg base 6 are opened in the front-rear direction, and these openings are closed by the leg front cover 22F and the leg rear cover 22R attached to the front end portion and the rear end portion of the leg base 6. It has been. The covers 22F and 22R are arranged below the upper surface of the base top surface portion 6a of the leg base 6.

The casters 8F and 8R have the same structure, and although details will be described later, the outer member 104 which is attached to the leg base 6 so as to be relatively non-rotatable and which is open downward in a substantially circular plan view, and the outer member 104 are horizontally swiveled inside the outer member 104. It includes an inner member 105 that is freely mounted and has a substantially circular shape in a plan view, and wheels 106 that are rotatably mounted on the inner member 105.

As shown in FIG. 9, the outer members 104 of the casters 8F and 8R have four caster flange portions 143 that project substantially horizontally toward each apex of a quadrangle having four sides along the front-rear direction and the left-right direction in a plan view. It has. Each caster flange portion 143 is a leg base 6 with caster mounting screws 62 screwed from below into caster mounting boss portions 61 provided at the front end portion and the rear end portion inside the leg base 6 corresponding to the caster flange portions 143. Is fixed to.

The front leg cover 22F and the rear leg cover 22R are a pair of left and right mounting flange portions that project inward in the front-rear direction at positions that overlap with the left and right caster flange portions 143 located on the front-rear and outer sides of the four caster flange portions 143. It is equipped with 22a. The mounting flange portion 22a is fastened and fixed to the caster mounting boss portion 61 together with the caster flange portion 143 by the caster mounting screw 62. As a result, the covers 22F and 22R can be firmly fixed to the leg base 6 with the caster mounting screws 62 without using dedicated mounting screws.

The casters 8F and 8R will be described with reference to FIGS. 10 to 13. The casters 8F and 8R are an outer member 104 having a substantially circular shape in a plan view that opens downward, and an inner member 105 having a substantially circular shape in a plan view that is mounted so as to be horizontally swivel around a horizontal turning center O extending vertically inside the outer member 104. And a wheel 106 or the like rotatably mounted on the inner member 105. Both members 104 and 105 are made of synthetic resin.

Inside the inner member 105, a caster lock member 108 made of synthetic resin that switches the horizontal turning of the inner member 105 and the rotation of the wheels 106 to a locked state or an unlocked state is provided so as to be slidable in the vertical direction. Further, a caster cover member 109 that supports an elastic member 110 that urges the caster lock member 108 upward is attached to the lower portion of the inner member 105.

A slider member 107 is interposed between the outer member 104 and the inner member 105 to facilitate horizontal turning of the inner member 105. The slider member 107 is made of a synthetic resin having a small friction coefficient such as POM resin or polyacetal, has a disk-like shape having a hole in the center, and is arranged so as to surround the horizontal turning center O.

The outer member 104 has a bottomed tubular shape that is open downward, and includes a tubular portion 142 whose upper end side is closed by a top plate portion 141. As described above, the outer member 104 is formed with a caster flange portion 143 that attaches to the caster mounting boss portion 61 provided on the leg base 6. Further, a substantially cylindrical engaging claw portion 144 is projected downward at the center portion of the top plate portion 141 in a plan view, while an outer member 104 is provided at the center portion of the top plate portion 151 of the inner member 105 in a plan view. A circular engaging hole 152 is provided in which the engaging claw portion 144 of the above is fitted against the elasticity. Therefore, the inner member 105 is attached to the outer member 104 so as not to come off in a state where horizontal turning is permitted.

As described above, the slider member 107 is interposed between the outer member 104 and the inner member 105. Convex portions 171 and 172 surrounding the horizontal turning center are formed on each of the upper surface 107a and the lower surface 107b of the donut plate-shaped slider member 107. The ridges 171 and 172 are provided in a spiral shape so as to surround the horizontal turning center O, and are provided so as to be doubled in the radial direction when viewed from the horizontal turning center O. Further, the ridge portions 171 and 172 are formed in the same shape so as to overlap each other in a plan view.

On the downward surface 141a of the top plate portion 141 of the outer member 104, a plurality of convex portions 140 arranged so as to surround the horizontal turning center O are formed at positions facing the slider member 107. On the upward surface 151a of the top plate portion 151 of the inner member 105, a plurality of convex portions 150 arranged so as to surround the horizontal turning center O are formed at positions facing the slider member 107. In the present embodiment, the convex portions 140 and 150 are provided so as to extend in the radial direction from the horizontal turning center O so as to intersect the convex portions 171 and 172 of the slider member 107 in a plan view.

When the casters 8F and 8R are attached to the leg base 6 and a downward load is applied to the outer member 104, the convex portions 140 of the outer member 104 and the convex portions 171 of the slider member 107 intersect in a plan view. The top of each convex portion 140 contacts the top of the convex portion 171. Further, at a position where each convex portion 150 of the inner member 105 and a convex portion 172 of the slider member 107 intersect in a plan view, the top of each convex portion 150 comes into contact with the top of the convex portion 172. The convex portions 140 and 150 come into contact with the convex portions 171 or 172 at two points. Grease is applied to the convex portions 140, 150 and the convex portions 171 and 172.

As described above, the casters 8F and 8R can reduce the contact area between the slider member 107 and the outer member 104 and the inner member 105, and can improve the horizontal turning performance of the outer member 104. This enables smooth movement of the table 100. For example, even if the table 100 is a large table, the table 100 can be smoothly moved by improving the horizontal turning performance of the inner members 105 of the casters 8F and 8R.

The inner member 105 has a bottomed tubular shape that is open downward, and includes a tubular portion 155 whose upper end side is closed by a top plate portion 151. A pair of left and right axle bearings 153 are integrally molded on the lower surface of the top plate 151. An axle locking hole 153a opened downward at a portion deviated from the horizontal turning center O is provided in the lower part of both axle bearing portions 153, and the axle 161 of the wheel 106 is elastically resisted from below in both axle locking holes 153a. It is fitted.

On the outer surface of the wheel 106, a locking portion 162 for locking a pair of wheel stopper portions 182a projecting inward from both ends of the caster lock member 108, which will be described in detail later, is provided. In this embodiment, when the wheel stopper portion 182a is separated from the rotation center of the wheel 106 (the axis of the axle 161), the wheel stopper portion 182a fits into the locking portion 162 to lock the rotation of the wheel 106, and the wheel stopper portion can be locked. When the 182a approaches the rotation center direction of the wheel 106, the wheel stopper portion 182a is disengaged from the locking portion 162 so that the wheel 106 can be unlocked.

The caster lock member 108 that switches the horizontal turning of the inner member 105 and the rotation of the wheel 106 to the locked state or the unlocked state is arranged so as to be vertically slidable between the left and right axle bearing portions 153 of the inner member 105. The caster lock member 108 includes a plate-shaped lock member main body 181 that is arranged substantially horizontally. A pair of left and right stopper arm portions 182 extending substantially horizontally toward the upper side of the axle 161 of the wheel 106 are provided at the left and right corner portions of the lock member main body portion 181 on the wheel 106 side, and left and right at the tip portions of the stopper arm portions 182. A wheel stopper portion 182a that projects inward is provided.

A substantially columnar pressing protrusion 184 is projected upward on the upper surface of the lock member main body 181. The pressing protrusion 184 is inserted into the cylindrical engaging claw portion 144 of the outer member 104 engaged with the engaging hole 152 of the inner member 105.

At the end of the lock member main body 181 opposite to the wheel 106, three locking claws 183 protruding substantially horizontally and radially around the horizontal turning center O are provided at equal intervals. The tubular portion 155 of the inner member 105 is provided with an opening 157 that exposes the locking claw 183 to the outside of the inner member 105 with the pressing protrusion 184 of the caster lock member 108 inserted into the engaging claw portion 144. Has been done. A plurality of locking recesses 145 into which the locking claws 183 of the caster lock member 108 are fitted from below into the inner peripheral wall of the tubular portion 142 of the outer member 104 are equally spaced in the circumferential direction according to the arrangement pitch of the three locking claws 183. It is provided in.

Further, a front caster operating lever 92F or a rear caster operating lever 92R, which will be described later, is mounted on the upper surface of the top plate portion 141 of the outer member 104. The caster operating levers 92F and 92R push the caster lock member 108 up and down by pressing or releasing the pressing protrusion 184 of the caster lock member 108 that extends upward through the horizontal turning center O and projects onto the outer member 104. It is configured to lock or unlock the wheels 106 and the inner member 105 by swinging in the direction.

In the present embodiment, a pair of operating lever holding ribs 146 parallel to each other with the opening of the cylindrical engaging claw portion 144 interposed therebetween are provided on the upper surface of the top plate portion 141 of the outer member 104, and the operating lever holding ribs 146 are provided. A plurality of engaging protrusions 146a are projected inward at the upper end portion of the above. Then, by inserting the edge portion of the caster operating lever 92F or 92R in the horizontal direction between the upper surface of the top plate portion 141 and the engaging protrusion 146a, the caster operating lever 92F or 92R is inserted between the pair of operating lever holding ribs 146. The operating lever holding rib 146 is slidably provided along the longitudinal direction. On the lower surfaces of the caster operating levers 92F and 92R made of synthetic resin, a pressing protrusion accommodating recess 94 and a pair of front and rear pressing projection pressing portions 95 adjacent to the pressing projection accommodating recess 94 in the front-rear direction are provided.

As shown in FIGS. 12 and 13, when the pressing protrusion accommodating recess 94 is located above the pressing protrusion 184 of the caster lock member 108, the caster lock member 108 is pushed upward by the elastic force of the elastic member 110. It is located in the upper position (lock position). In this state, the wheel stopper portion 182a of the caster lock member 108 is fitted into the locking portion 162 to lock the rotation of the wheel 106, and the locking claw 183 is fitted into the locking recess 145 with respect to the outer member 104. Locks the horizontal rotation of the caster lock member 108 and the inner member 105.

As shown in FIGS. 19, 20, 22 and 23, when the pressing projection pushing portion 95 is located above the pressing projection 184 of the caster lock member 108, the caster lock member 108 is elastic of the elastic member 110. It is pushed down against the force and is located in the lower position (unlock position). In this state, the wheel stopper portion 182a of the caster lock member 108 is disengaged from the locking portion 162, so that the wheel 106 is unlocked and becomes rotatable, and the locking claw 183 is disengaged from the locking recess 145 to lock the caster. The member 108 and the inner member 105 can rotate horizontally with respect to the outer member 104.

Next, the movement switching mechanism 10 will be described with reference to FIGS. 3 to 6 and 14 to 16 and the like. As shown in FIGS. 4 to 6 and 8, the movement switching mechanism 10 is interlocked with the operation of the temporary release operation lever 9 provided at the front left and right corners of the lower surface of the top plate 1 and the temporary release operation lever 9. A movement switching state display unit 50 and a caster operation lever member 91 are provided. The table 100 is provided with a pair of left-right movement switching mechanisms 10 symmetrically.

In the present embodiment, the temporary release operation lever 9 is configured to be able to be pulled toward the front side, and has a pre-operation posture (see FIGS. 3 to 5) to which no operation force is applied and displacement due to application of the operation force. It is configured so that the posture can be changed to the posture after the operation (see FIG. 17). The temporary release operation lever 9 is operated by a lever plate member 41 extending in the front-rear direction on the left and right outside of the top plate support portion 5 and directly below the top plate 1, a rotation transmission plate member 71 provided on the upper part of the leg body 3, and a leg. It is transmitted to the movement switching state display unit 50 and the casters 8F and 8R via the vertical transmission plate member 81 extending in the vertical direction in the support column 7 and the caster operation lever member 91 extending in the vertical direction in the leg base 6.

As shown in FIGS. 14 and 15, an L-shaped temporary release operation lever 9 in a side view is fixed to the lower surface of the rear end portion of the lever plate member 41 extending in the front-rear direction with the left and right fixing screws 42. The temporary release operation lever 9 is supported by a lever guide member 43 that is attached to the left and right corners of the lower surface of the top plate 1 from below. The lever guide member 43 has a box-shaped shape having an upward opening and a front opening, and the front portion of the temporary release operation lever 9 is supported so as to be slidable back and forth in the lever guide member 43, and the rear portion is a lever. It is exposed backward from the rear end of the guide member 43 and hangs down. Elastic members 44, 44 composed of a pair of left and right tension coil springs are housed in a cavity that opens upward and forward in the front portion of the temporary release operation lever 9, and the elastic member 44 is an intermediate portion of the temporary release operation lever 9. It is erected between the lever guide member 43 and the front end portion of the lever guide member 43 to urge the temporary release operation lever 9 forward. As a result, the temporary release operation lever 9 changes its posture between the pre-operation posture (see FIGS. 3 to 5) in which no operating force is applied and the post-operation posture (see FIG. 17) in which the operating force is applied and displaced. In addition to being possible, it is configured to automatically return to the pre-operation posture when the operating force is released when the posture is after the operation.

As shown in FIG. 3, the lever plate member 41 extends in the front-rear direction from the left and right corners on the front side of the top plate 1 to the front position of the connecting pipe 2 at the left and right outer positions of the top plate support portion 5. There is. On the left and right inner edges of the lever plate member 41 in the middle, a rotating plate connecting portion 45 extending downward extends toward the leg connecting member 20. The rotation transmission plate member 71 is rotatably (posture changeable) in the rotation plate support shaft member 77 screwed from the left and right outside into the rotation shaft mounting holes 78 provided on the upper left and right outward side surfaces of the leg connecting member 20. Is supported. The axis of the rotating plate support shaft member 77 is provided on the same axis as the central axis of the connecting pipe 2 extending in the left-right direction.

The connecting pins 75 are left and right outside through the vertically long elongated holes 74a provided in the lever plate connecting portion 74 that protrudes upward from the upper part of the rotating transmission plate member 71 into the screw holes 45a provided in the rotating plate connecting portion 45. The lever plate member 41 and the rotation transmission plate member 71 are interlocked and connected by being screwed in from.

A rotation plate pressing member 76, which is attached to the leg connecting member 20 so as not to rotate relative to the leg connecting member 20, is interposed between the rotation transmission plate member 71 and the head of the rotation plate support shaft member 77. The rotation plate pressing member 76 suppresses the movement and inclination of the rotation transmission plate member 71 in the left-right direction.

As shown in FIGS. 14 and 15, the front end portion of the lever plate member 41 is provided with a bent portion 48 that is bent left and right inward at a position in front of the connecting pipe 2 in a plan view. The left and right inwardly facing tip portions are provided with an interlocking lever connecting portion 46 extending downward. A bumper member 49 that prevents the bent portion 48 from coming into contact with the top plate 1 is attached to the upper surface of the bent portion 48. The interlocking lever connecting portion 46 is provided with a connecting pin 47 extending outward to the left and right.

As shown in FIG. 7, the top plate support portion 5 is provided with left and right interlocking lever support holes 66 provided on the side surface portions 14 and 14 of the upper arm 12 at positions on the front side (back side) of the bearing holes 26 and 26. , 66 are provided, and the interlocking lever support shaft 64 is rotatably supported in the interlocking lever support holes 66, 66. The rotation base end side of the interlocking lever member 63 is attached to the left and right outer ends of the interlocking lever support shaft 64 projecting to the left and right outside of the upper arm 12 so as not to rotate relative to each other. The connecting pin 47 is inserted into the elongated hole 63a (see FIG. 15) provided on the left and right inward side surfaces (the surface of the upper arm 12 facing the side surface portion 14) of the rotating tip portion of the interlocking lever member 63, and the lever plate. The interlocking lever member 63 is configured to rotate around the interlocking lever support shaft 64 in conjunction with the movement of the member 41 in the front-rear direction.

The left and right inner ends of the interlocking lever support shaft 64 project left and right inward from the upper arm 12, and the left and right inner ends are square tubular for interlocking the left and right interlocking lever members 63 provided on the table 100. The temporary release interlocking shaft 65 is fixed so that it cannot rotate relative to each other. When one of the left and right temporary release operation levers 9 provided on the table 100 is pulled toward the front side, the temporary release interlocking shaft 65 is displaced due to the front side displacement of the lever plate member 41 fixed to the operated temporary release operation lever 9. It is configured to rotate so that the other lever plate member 41 and the temporary release operation lever 9 are displaced toward the front side.

As shown in FIGS. 5, 6, 14 and 15, a rotation transmission rotatably provided around a rotation plate support shaft member 77 extending in the left-right direction on the upper part of the left-right outward side surface of the leg connecting member 20. The plate member 71 is provided with the above-mentioned lever plate connecting portion 74 projecting upward and a transmission plate connecting portion 73 projecting forward (rearward). An operation transmission pin 72 extending outward to the left and right is provided so as to project from the transmission plate connecting portion 73.

The operation transmission pin 72 is formed in the frame-shaped portion 11a of the leg connecting member 20 fixed to the upper part of the leg support 7 in the transmission pin insertion hole 81a at the upper end of the vertical transmission plate member 81 extending in the vertical direction in the leg support 7. It is connected. In the middle portion and the lower portion of the leg connecting member 20, a guide recess 11b that opens left and right outward and allows the vertical transmission plate member 81 to be inserted in the vertical direction is provided below the frame-shaped portion 11a. The openings on the left and right outer surfaces of the frame-shaped portion 11a are closed by the leg upper cover member 38.

The upper portion of the upper and lower transmission plate member 81 is provided with an upper regulation portion 11c, a lower regulation portion 11d, and a guide recess 11b provided in the middle portion of the leg connecting member 20 and the left and right outer surface portions of the lower portion at intervals from the bottom portion of the guide recess 11b. The frame-shaped portion 11a is inserted in the vertical direction between the bottom portion of the plate and the movement in the horizontal direction is restricted, while the frame-shaped portion 11a is interlocked with the displacement of the operation transmission pin 72 centered on the rotation plate support shaft member 77. The inner and guide recesses 11b are configured to be displaceable in the vertical and front-back directions.

As shown in FIGS. 4, 8 and 13, the vertical transmission plate member 81 is guided from the inside of the frame-shaped portion 11a of the transmission plate guide member 11 into the front portion of the leg base 6 through the inside of the leg support 7. There is. The leg base 6 and the leg support 7 are provided with a leg base fixing screw 69 screwed from below into a pair of front and rear screw insertion holes provided in the front top surface portion 68 of the front portion of the leg base 6 inside the lower part of the leg support 7. It is connected by being screwed into the nut member 67.

The lower part of the upper and lower transmission plate member 81 is located between the pair of front and rear leg base fixing screws 69, and the transmission plate insertion hole 67a provided in the front and rear center portion of the nut member 67 and the front top surface portion 68 of the leg base 6. It is guided to the inside of the front part of the leg base 6 through the transmission plate guide holes 68a provided in the front and rear central parts. The lower end of the upper and lower transmission plate member 81 is made of resin and has a slider inclined surface 82a having a front low and rear high posture that contacts the inclined top surface portion 93 of the front caster operating lever 92F located below the lower end portion of the vertical transmission plate member 81. The slider member 82 is fixed. Inside the front portion of the leg base 6, the lower end portion of the vertical transmission plate member 81 and the forward movement of the slider member 82 are restricted by hanging diagonally forward from the lower surface of the front top surface portion 68 at a position in front of the transmission plate guide hole 68a. The transmission plate regulating rib 70 is provided so as to extend in the left-right direction. The left and right ends of the transmission plate regulation rib 70 are connected to the inner walls of the left and right side walls of the leg base 6.

Next, the caster operating lever member 91 provided inside the leg base 6 will be described with reference to FIGS. 4, 8, 9, 12, 13, 13 and 16. The caster operating lever member 91 is a lever connecting member that connects the front caster operating lever 92F mounted on the upper surface of the front caster 8F, the rear caster operating lever 92R mounted on the upper surface of the rear caster 8R, and the caster operating levers 92F and 92R. It is equipped with 96.

As shown in FIGS. 13 and 16, the front caster operating lever 92F has a substantially L-shaped side view in which the front portion 92Fc protrudes upward, and protrudes outward to the left and right at the lower ends of the left and right side surfaces of the front portion 92Fc. The left and right engaging flanges 92F provided are horizontally inserted between the upper surface of the top plate 141 of the front caster 8F and the engaging protrusion 146a, so that they can be slidably mounted on the upper surface of the front caster 8F. There is.

The inclined top surface portion 93 provided on the front portion 92Fc of the front caster operating lever 92F is formed on an inclined surface having a front low and a rear height, and the slider inclined surface 82a of the slider member 82 arranged above the inclined top surface portion 93 is the inclined top surface portion 93. The front caster operating lever 92F is configured to slide backward when it is displaced downward while in contact with. On the lower surface of the front portion 92Fc of the front caster operating lever 92F, a pressing protrusion accommodating recess 94 and a pair of front and rear pressing protrusions adjacent to the pressing projection accommodating recess 94 at positions facing the top plate portion 141 of the front caster 8F A push-down portion 95 is provided.

The rear portion 92Fb of the front caster operating lever 92F is fixed to the front end portion of the metal lever connecting member 96 extending in the front-rear direction with a front lever fixing screw 96F. The lever connecting member 96 has a U-shaped cross-sectional shape that opens upward. The front portion 92Rc of the rear caster operating lever 92R is fixed to the rear end portion of the lever connecting member 96 with the rear lever fixing screw 96R. The caster operating lever member 91 having the front and rear caster operating levers 92F and 92R and the lever connecting member 96 is integrally slidable in the front-rear direction in the leg base 6.

As shown in FIGS. 12 and 16, in the rear caster operating lever 92R, the left and right engaging flange portions 92Ra projecting outward from the left and right side lower ends of the rear portion 92Rb extending in the front-rear direction are top plates of the rear caster 8R. By being inserted in the horizontal direction between the upper surface of the portion 141 and the engaging protrusion 146a, it is slidably mounted on the upper surface of the rear caster 8R. On the lower surface of the rear portion 92Rb of the rear caster operating lever 92R, at a position facing the top plate portion 141 of the rear caster 8R, a pressing protrusion accommodating recess 94 and a pair of front and rear pressing projection pushes adjacent to the pressing projection accommodating recess 94 in the front and rear. A lowering portion 95 is provided.

Left and right horizontally long immovable display portions 52A are provided at the front and rear center portions on the upper surface of the front portion 92Rc of the rear caster operating lever 92R. The immovable display unit 52A is composed of an upper surface of a substantially plate-shaped immovable display member 53 attached to the upper surface of the front portion 92Rc. Further, on the upper surface of the front portion of the rear caster operating lever 92R, a first movable display unit 52B that is horizontally long left and right is provided adjacent to the front position of the immovable display unit 52A, and is adjacent to the rear position of the immovable display unit 52A. A second horizontally long movable display unit 52C is provided. At the front portion of the base top surface portion 6a of the leg base 6 (position above the front portion 92Rc of the rear caster operating lever 92R), left and right horizontally long viewing windows 51 narrower than the front-rear width of the display portions 52A, 52B, 52C are provided. It opens in the vertical direction. The viewing window 51 and the display units 52A, 52B, 52C constitute a movement switching state display unit 50.

For example, the movable display units 52B and 52C have the same color as the material of the rear caster operating lever 92R, and the immovable display unit 52A is the material of the immovable display member 53 attached to the upper surface of the rear portion 92Rb of the rear caster operating lever 92R. Has the same color as. The color of the non-movable display unit 52A is different from the color of the movable display units 52B and 52C, and is also different from the color of the top plate 1 and the base top surface portion 6a. Further, at least a part of the part of the temporary release operation lever 9 that comes into the user's field of view has the same color as the immovable display unit 52A. For example, the color of the immovable display unit 52A is an inconspicuous color having a higher brightness than the color of the movable display units 52B and 52C, and conversely, the color of the movable display units 52B and 52C is a non-movable display. It is composed of a color that stands out more than the color of part 52A. Further, the colors of the movable display units 52B and 52C are different from the colors of the base top surface portion 6a of the leg base 6. Further, the color of the immovable display unit 52A may be the same color or a similar color to the color of the base top surface portion 6a of the leg base 6. The display units 52A, 52B, 52C and the temporary release operation lever 9 may be colored with paint, a sticker, or the like. In addition, characters, symbols, and figures may be attached to the display units 52A, 52B, and 52C. Further, the movable display units 52B and 52C may have the same color or the like, or may have different colors or the like.

Although details will be described later, the caster operation lever member 91 extending in the front-rear direction is configured to be displaced in the front-rear direction in the leg base 6 in conjunction with the rotation of the top plate 1 and the displacement of the temporary release operation lever 9. There is. Immediately below the viewing window 51, the immovable display unit 52A is located when the top plate 1 is in the used posture and the temporary release operation lever 9 is not operated, and the temporary release operation lever 9 is in front of the top plate 1 in the used posture. The movable display unit 52B is positioned when the pulling operation is performed to the side, and the movable display unit 52C is positioned when the top plate 1 is in the retracted posture.

Further, in the caster operation lever member 91, when the top plate 1 is in the used posture and the temporary release operation lever 9 is not operated, the pressing protrusion accommodating recesses 94 of the caster operating levers 92F and 92R are the pressing protrusions of the casters 8F and 8R. It is located above 184 and is configured so that the casters 8F and 8R are locked.

The lever connecting member 96 of the caster operating lever member 91 includes a spring accommodating elongated hole 96a extending in the front-rear direction at the central portion of the bottom surface portion. In the spring accommodating slot 96a, the tip of the spring mounting boss 6b extending downward from the inner wall of the base top surface 6a of the leg base 6 and the front end are mounted on the spring mounting boss 6b to form a front-rear horizontal posture. A lever urging elastic member 97 made of a tension coil spring provided in the above is arranged. The rear end portion of the lever urging elastic member 97 is attached to a spring mounting hole 96b provided near the rear end portion of the spring accommodating elongated hole 96a on the bottom surface portion of the lever connecting member 96. The lever connecting member 96 is urged forward by the lever urging elastic member 97.

Next, the operation of the movement switching mechanism 10 will be described. As shown in FIGS. 3 to 5, 8, 12, and 13, when the top plate 1 is in the used posture and the temporary release operation lever 9 is not operated (when the operation force is not applied in the pre-operation posture). ), The lever plate connecting portion 74 of the rotation transmission plate member 71 is located directly above the rotation plate support shaft member 77 in a side view. The slider member 82 provided at the lower end of the vertical transmission plate member 81 connected to the rotation transmission plate member 71 has the slider inclined surface 82a in contact with the inclined top surface portion 93 of the front caster operating lever 92F, while the front surface thereof. The portion comes into contact with the transmission plate regulating rib 70. As a result, the forward movement of the caster operation lever member 91 due to the elastic force of the lever urging elastic member 97 is stopped, and the immovable display unit 52A is located below the viewing window 51 in the movement switching state display unit 50, and The pressing protrusion accommodating recesses 94 of the caster operating levers 92F and 92R are located above the pressing protrusions 184 of the casters 8F and 8R, and the casters 8F and 8R are held so as to be locked.

At this time, as shown in FIG. 12, the immovable display unit 52A is located directly below the viewing window 51, and the movement switching state display unit 50 is immovable because the table 100 cannot be moved due to the rolling of the casters 8F and 8R. The status is displayed.

As shown in FIGS. 17 to 20, when the temporary release operation lever 9 is pulled toward the front side when the top plate 1 is in the use posture (when the operation force is applied to the displacement after the operation posture). The lever plate member 41 is displaced rearward as the temporary release operation lever 9 moves backward. The lever plate connecting portion 74 of the rotation transmission plate member 71 connected to the rotating plate connecting portion 45 of the lever plate member 41 rotates backward around the rotating plate support shaft member 77, and the transmission plate connecting portion 73 and the lever plate The connecting portion 74 rotates downward, and the lower end portion of the vertical transmission plate member 81 and the slider member 82 move downward while being restricted from forward movement by the transmission plate restricting rib 70. The slider inclined surface 82a of the slider member 82 is displaced downward while being in contact with the inclined top surface portion 93 of the front caster operating lever 92F, so that the entire caster operating lever member 91 together with the front caster operating lever 92F is an elastic member 97 for urging the lever. Displaces backward against the elastic force of.

As shown in FIGS. 19 and 20, the pressing protrusion 184 of the casters 8F and 8R is pushed downward by the pressing protrusion pushing portion 95 on the front side of the caster operating levers 92F and 92R, so that the caster locks on the casters 8F and 8R. The member 108 is displaced downward. Then, the wheel stopper portion 182a is disengaged from the locking portion 162 of the wheel 106 so that the wheel 106 can roll, and the locking claw 183 is disengaged from the locking recess 145, and the caster lock member 108 and the inner member 105 are outer members. The casters 8F and 8R are unlocked when the casters 8F and 8R can be turned horizontally with respect to 104. As a result, the table 100 becomes movable due to the rolling of the casters 8F and 8R.

When the table 100 becomes movable by operating the temporary release operation lever 9, as shown in FIG. 19, the first movable display unit 52B is located directly below the viewing window 51, and the movement switching state display unit 50 Switches from the display of the immovable display unit 52A in the immovable state of the table 100 to display the first movable display unit 52B.

As a result, when the user operates the temporary release operation lever 9 on the lower surface of the top plate 1 with his / her eyes facing downward, the movement switching state display unit 50 provided on the leg body 3 (leg base 6) below the top plate 1 The switching of the display of is in the user's field of view, and the user can easily visually determine whether the table 100 is in the movable state or the immovable state, which improves convenience. Further, even if the user does not know the function of the temporary release operation lever 9, the temporary release operation lever is switched by switching the display of the movement switching state display unit 50 in conjunction with the operation of the temporary release operation lever 9. The operation of 9 can be associated with switching the movement of the table 100 by the rolling of the casters 8F and 8R, which makes it easier to understand the function of the temporary release operation lever 9.

In particular, in the present embodiment, as is clear from FIGS. 2 (A) and 3 and the like, a temporary release operation lever 9 is provided at the front corner of the lower surface of the top plate 1, and the movement switching state display unit 50 is used as a leg base. 6 Since it is provided near the rear end (front end) of the upper surface and is located directly below the front corner of the top plate 1 in the usage posture, the user can temporarily release the operation lever 9 with a downward line of sight. When operating, the display switching of the movement switching state display unit 50 is easy to enter into the user's field of view, and the user can easily visually determine whether the table 100 is in the movable state or the immovable state. There is.

In the present embodiment, the temporary release operation lever 9 is provided in a color different from the color of the top plate 1, and the movement switching state display unit 50 is different from the temporary release operation lever 9 when the table 100 is in an immovable state. The immovable display unit 52A having the same color is displayed through the viewing window 51. As a result, the presence of the temporary release operation lever 9 can be made conspicuous, and the user can more easily associate the temporary release operation lever 9 with the movement switching state display unit 50, further improving convenience. Here, by switching from the immovable display unit 52A of the low-brightness inconspicuous color to the first movable display unit 52B of the high-brightness conspicuous color, the user can switch the display of the movement switching state display unit 50 more. Easy to recognize. Further, by making the immovable display unit 52A the same color or a similar color as the base top surface portion 6a of the leg base 6, it is possible to further improve the visibility of the display switching of the movement switching state display unit 50.

As shown in FIGS. 6 and 21 to 23, when the top plate 1 is flipped up so as to be in the retracted posture, the front side of the lever plate member 41 together with the top plate 1 and the top plate support portion 5 is connected to the connecting pipe 2 and the rotation. The moving plate support shaft member 77 rotates upward around the axis. As the lever plate member 41 rotates, the lever plate connecting portion 74 of the rotation transmission plate member 71 connected to the rotating plate connecting portion 45 rotates forward around the rotating plate support shaft member 77, and the transmission plate is connected. The portion 73 and the lever plate connecting portion 74 rotate upward, and the vertical transmission plate member 81 and the slider member 82 move upward. The slider inclined surface 82a of the slider member 82 is displaced upward while being in contact with the inclined top surface portion 93 of the front caster operating lever 92F, and when the top plate 1 is in the retracted posture, it is separated from the inclined top surface portion 93 and the front caster. It moves above the front 92Fc of the operating lever 92F. The caster operating lever member 91 is released from the forward movement restricted state by the slider member 82, and moves forward by the elastic force of the lever urging elastic member 97.

As shown in FIGS. 22 and 23, the pressing protrusion 184 of the casters 8F and 8R is pushed downward by the pressing protrusion pushing portion 95 on the rear side of the caster operating levers 92F and 92R, so that the casters on the casters 8F and 8R The lock member 108 is displaced downward, and the casters 8F and 8R are in the unlocked state. As a result, the table 100 becomes movable due to the rolling of the casters 8F and 8R. In the present embodiment, the top plate 1 constitutes a movement switching operation member that is a separate member from the temporary release operation lever 9 (movement switching operation tool), and the movement switching mechanism 10 is a table 100 by changing the posture of the top plate 1. It is configured so that it can be switched between a movable state and an immovable state.

When the top plate 1 is in the stowed state and the table 100 is in the movable state, as shown in FIG. 22, the second movable display unit 52C is located directly below the viewing window 51, and the movement switching state display unit 50 is , The display of the immovable display unit 52A in the immovable state of the table 100 is switched to display the first movable display unit 52B.

In the present embodiment, the top plate 1 is supported by the leg body 3 via the axis (rotation axis) of the connecting pipe 2 extending horizontally to the left and right, and rotates between a substantially horizontal use posture and an upright storage posture. The movement switching mechanism 10 is configured to be movable by rolling the casters 8F and 8R when the top plate 1 is in the retracted posture, and the movement switching state display unit 50 displays the second movable state. The unit 52C is displayed to display the second movable display unit 52C, which is different from the immovable display unit 52A which is displayed in the immovable state.

As a result, the table 100 can be moved by rolling the casters 8F and 8R when the top plate 1 is in the storage posture, and the table 100 can be easily moved when the top plate is in the storage posture, which is convenient. Is improved. Further, since the top plate 1 stands upright and is in the stored posture, the user can easily see the movement switching state display unit 50 provided on the leg body 3, and the movement switching state display unit 50 is in an immovable state of the table 100. By displaying differently between (displaying the immovable display unit 52A) and the movable state (displaying the second movable display unit 52C), the table 100 in the stowed posture can be moved by rolling the casters 8F and 8R. It becomes easier to understand what is in.

In the above embodiment, the vertical transmission plate member 81 and the slider member 82 are pushed down in conjunction with the pulling operation of the temporary release operation lever 9 toward the front, and the casters 8F and 8R are unlocked. Not limited to this, the vertical transmission plate member 81 and the slider member 82 may be pulled up in conjunction with the operation of the temporary release operation lever 9, and the casters 8F and 8R may be configured to unlock.

In the above embodiment, the table 100 as an example of the mobile furniture is in a movable state due to the rolling of the casters 8F and 8R provided at the lower portion and a non-movable state in which the casters 8F and 8R cannot be moved by the rolling. The movement switching mechanism 10 for switching to is provided. The movement switching mechanism 10 includes a movement switching state display unit 50 and a temporary release operation lever 9 as an example of the movement switching operation tool. The temporary release operation lever 9 can change its posture between the pre-operation posture in which no operation force is applied and the post-operation posture in which the operation force is applied and displaced, and the operation force is applied when the operation force is in the post-operation posture. It is configured to automatically return to the pre-operation posture when released. The movement switching state display unit 50 is configured to display different displays in the movable state and the immovable state in conjunction with the posture change of the temporary release operation lever 9. The movement switching mechanism 10 is configured so that the table 100 can be made immovable when the temporary release operation lever 9 is in the pre-operation posture, while it can be made movable when the temporary release operation lever 9 is in the post-operation posture.

As a result, when the user operates the temporary release operation lever 9, the display switching of the movement switching state display unit 50 comes into the user's field of view, and the user moves whether the table 100 is in a movable state. Convenience is improved because it can be easily visually determined whether or not it is in an impossible state. Further, since the temporary release operation lever 9 automatically returns to the pre-operation posture when the user releases the operating force, the table 100 can be automatically returned from the movable state to the immovable state, and the immovable state can be obtained. You can prevent forgetting to switch to.

Further, in the above embodiment, since the temporary release operation lever 9 is provided in the upper half of the table 100, the table 100 is moved by operating the temporary release operation lever 9 to make the table 100 movable. The temporary release operation lever 9 can be easily operated while moving the furniture, and the furniture can be smoothly moved. The movement switching operation tool may be provided in the lower half of the mobile furniture.

Further, in the above embodiment, the movement switching mechanism 10 can switch between the movable state and the immovable state by changing the posture of the top plate 1 as an example of the movement switching operation member which is a member different from the temporary release operation lever 9. It is configured in. The movement switching mechanism 10 is configured to be able to switch to the movable state by setting the temporary release operation lever 9 to the post-operation posture when the top plate 1 makes the table 100 in the movable state. There is. As a result, the posture of the top plate 1 can be changed to switch between a continuously movable state and a continuously immovable state, and the temporary release operation lever 9 is operated in the continuously immovable state. This makes it possible to temporarily move it, improving convenience.

The movement switching operation member capable of switching between the movable state and the immovable state by changing the posture is not limited to the top plate 1, and is provided on the caster, for example, to lock and unlock the caster. It may be composed of other members such as a switching lever.

Further, the movement switching state display unit 50 displays differently between the movable state and the immovable state in conjunction with the posture change of the rotation transmission plate member 71. As a result, the user can switch between the movable state and the immovable state by changing the posture of the temporary release operation lever 9, and the movable state and the immovable state by changing the posture of the rotation transmission plate member 71. In both cases, it is possible to easily visually determine whether the table 100 is in a movable state or an immovable state, which improves convenience.

As described above, in the table 100, casters 8F and 8R are attached to the lower part of the leg body 3 that supports the top plate 1, and the top plate 1 is attached to the leg body via a connecting pipe 2 as a rotation axis extending horizontally to the left and right. It is supported by 3 and is configured to be rotatable between a substantially horizontal usage posture and an upright storage posture. Further, the rotation transmission plate member 71 is configured to change its posture in conjunction with the rotation of the top plate 1. Then, when the top plate 1 is in the retracted posture, the movement switching mechanism 10 is in the movable state, and the movement switching state display unit 50 is configured to display a display different from the display in the non-movable state. ing.

According to such an aspect, the casters 8F and 8R can be moved in a movable state when the top plate 1 is in the stored posture, and the table 100 can be easily moved in the stored posture of the top plate 1. Convenience is improved.

Further, in the table 100, since the temporary release operation lever 9 is provided on the top plate 1, the user can move the table 100 while operating the temporary release operation lever 9 in a natural posture, which improves convenience. The temporary release operation lever 9 is provided at a position where the user can operate while gripping the top plate 1 and is provided on a member different from the top plate 1, for example, the top plate support portion 5 or the upper part of the leg support 7. You may want to be there. As a result, for example, the user can move the table 100 in a natural posture by grasping the top plate 1 with one hand and operating the temporary release operation lever 9 with the other hand, which improves convenience.

Further, in the table 100, the leg body 3 includes a leg base 6 to which casters 8F and 8R are attached, and a leg support 7 extending upward from the leg base 6, and the movement switching state display unit 50 is an upper surface of the leg base 6. The temporary release operation lever 9 and the movement switching state display unit 50 are interlocked with each other via an interlocking member (upper and lower transmission plate member 81 in the present embodiment) provided along the leg support 7. As a result, since the top plate 1 stands upright and is in the stored posture, the user can easily visually recognize the movement switching state display unit 50 provided on the upper surface of the leg base 6 (base top surface portion 6a) of the leg body 3. Further, by displaying the movement switching state display unit 50 differently depending on whether the table 100 is in the immovable state or the movable state, it is possible to grasp that the table 100 in the stowed posture is in the movable state due to the rolling of the casters 8F and 8R. It will be easier to do.

The interlocking member provided along the leg support 7 is not limited to a rod-shaped member such as the vertical transmission plate member 81, and an operating force is transmitted between the upper part and the lower part of the leg 3 such as a wire cable. Any member may be used. Further, the interlocking member provided along the leg strut is not limited to the configuration arranged inside the leg strut, and may be provided along the leg strut outside the leg strut.

Further, the above embodiment is a table 100 provided with a movement switching mechanism 10 for switching between a movable state due to rolling of casters 8F and 8R and an immovable state in which movement of casters 8F and 8R is disabled. In the movement switching mechanism 10, the temporary release operation lever 9 and the temporary release operation lever 9 are interlocked with the lever plate member 41, the connecting pin 75, the rotation transmission plate member 71, and the operation transmission pin 72. A movement switching state display unit 50 is provided which is connected via the vertical transmission plate member 81, the slider member 82, and the caster operation lever member 91) and is linked to the operation of the temporary release operation lever 9. The movement switching state display unit 50 is provided at a position separated from the temporary release operation lever 9, and is displayed differently between the movable state and the immovable state in conjunction with the operation of the temporary release operation lever 9. do.

In this way, by providing the temporary release operation lever 9 and the movement switching state display unit 50 at a distance from each other, the temporary release operation lever 9 is provided at a position where the user can easily operate, while the movement switching state display unit 50 is provided. It can be provided at a position that is easy for the user to see, and the user can easily operate the temporary release operation lever 9, and also determines whether the table 100 is in the movable state or the immovable state of the movement switching state display unit 50. Convenience is improved because it can be easily judged visually on the display.

Although the embodiments have been described above, the present invention can be embodied in various aspects without being limited to the above-described embodiments. The configuration of each part is not limited to the illustrated embodiment, and various changes can be made without departing from the spirit of the present invention.

For example, in the above embodiment, it is applied to a folding table, but the mobile furniture of the present invention can be applied to furniture other than the table, and can be applied to mobile furniture such as a cabinet with casters, for example. ..

When applied to a cabinet with casters, it may be in an immovable state due to the rolling of the casters in a normal state where the movement switching operation tool is not operated, and may be in a movable state by operating the movement switching operation tool. .. Also in this case, it is preferable that the movement switching operation tool is provided in the upper half of the cabinet with casters. As a specific arrangement of the movement switching operation tool, it may be provided on the top plate portion, the side surface portion, the handle portion for movement, or the like.

Further, by changing the posture of the movement switching operation member which is a member different from the movement switching operation tool, it is possible to switch between the movable state and the immovable state by rolling the caster. By doing so, it is possible to select a state in which the vehicle can always be moved without using the movement switching operation tool.

In the above embodiment, the movement switching operation member is composed of a top plate whose posture can be changed, but for example, it may be a caster lock switch provided on the leg base and pushed down by the user's foot or the like. It is possible. The caster lock switch makes it possible to switch between the movable state and the immovable state due to the rolling of the caster, and when you want to move the mobile furniture a little, you do not have to bother to operate the caster lock switch at hand. Convenience is improved by making it movable by the movement switching operation tool. In addition, after using the top plate whose posture can be changed as in the above embodiment as the movement switching operation member, the caster lock switch as the movement switching operation member is further provided, and a plurality of movement switching operation members may be provided. It is possible.

Further, in the above embodiment, the temporary release operation lever 9 is arranged on the lower surface of the top plate, but may be provided on the upper surface of the top plate, the peripheral edge portion, or the leg body. When it is provided on the leg body, it is more preferable to provide it at a position near the upper end portion of the leg support 7 so that the user can reach while grasping the top plate.

Further, for example, in the above embodiment, both the front caster 8F and the rear caster 8R can be switched with respect to the switching of the caster lock state or the caster lock release state, but either the front or rear caster 8F or 8R can be switched. It may be configured to be switchable.

Further, regarding switching between a movable state and an immovable state due to the rolling of the casters, the configuration is not limited to switching between the locked state and the unlocked state of the casters, and at least one of the front and rear casters is switched to the grounded state (immovable). The caster may be floated in the state) to switch between the movable state and the immovable state of the table.

Further, the leg body 3 is not limited to a substantially L-shaped one, and may have an inverted T-shaped structure or a configuration in which casters are provided at the lower ends of the separated front and rear leg columns. Further, the movement switching operation tool is not limited to a configuration in which the movement switching operation tool is pulled toward the front side, and may be a configuration in which a push-up operation or a push-down operation is performed in the vertical direction or a configuration in which the movement switching operation tool is pushed in the front-rear direction. Good.

1 Top plate 2 Connecting pipe (rotating shaft)
3 Leg body 4 Top plate lock mechanism 5 Top plate support part 6 Leg base 6a Base top surface part 7 Leg support 8F Front caster 8R Rear caster 9 Temporary release operation lever 10 Movement switching mechanism 11 Transmission plate guide member 41 Lever plate member 42 Fixing screw 43 Lever guide member 44 Elastic member 45 Rotating plate connecting part 47 Connecting pin 50 Movement switching status display part 51 Peeping window 52A Immovable display part 52B 1st movable display part 52C 2nd movable display part 53 Non-movable display member 71 Rotation transmission plate member 72 Operation transmission pin 73 Transmission plate connection part 74 Lever plate connection part 75 Connection pin 77 Rotation plate support shaft member 81 Vertical transmission plate member 82 Slider member 91 Caster operation lever member 92F Front caster operation lever 92R Rear caster Operating lever 96 Lever connecting member 97 Lever urging elastic member 100 Table

Claims (9)

A mobile piece of furniture provided with a movement switching mechanism that switches between a movable state due to the rolling of the casters provided at the bottom and a non-movable state that makes the movement impossible due to the rolling of the casters.
The movement switching mechanism is
The posture can be changed between the pre-operation posture in which no operating force is applied and the post-operation posture in which the operating force is applied and displaced, and the operation force is released when the post-operation force is in the post-operation posture. A movement switching operation tool that automatically returns to the front posture,
A movement switching state display unit that displays differently between the movable state and the immovable state in conjunction with the posture change of the movement switching operation tool is provided.
A mobile piece of furniture that is configured so that the movement switching operating tool can be put into the immovable state when it is in the pre-operation posture, while it can be put into the movable state when it is in the post-operation posture. The mobile furniture according to claim 1, wherein the movement switching operation tool is provided on the upper half of the mobile furniture. The movement switching mechanism is configured to be able to switch between the movable state and the non-movable state by changing the posture of the movement switching operation member which is a member different from the movement switching operation tool.
The first or second aspect of the present invention, wherein when the movement switching operation member is in the immovable state, the movement switching operation tool can be switched to the movable state by putting the movement switching operation tool into the post-operation posture. Mobile furniture. The mobile furniture according to claim 3, wherein the movement switching state display unit displays differently between the movable state and the immovable state in conjunction with the posture change of the movement switching operation member. In the mobile furniture, the casters are attached to the lower part of the legs that support the top plate, and the top plate is supported by the legs via a rotation axis that extends horizontally to the left and right, and the posture and standing are substantially horizontal. It constitutes a table that can rotate with the stored posture.
The movement switching operation member is composed of the top plate.
When the top plate is in the retracted posture, the movement switching mechanism is in the movable state, and the movement switching state display unit is configured to display a display different from the display in the non-movable state. , The mobile furniture according to claim 4. The movement switching operation tool is provided on the top plate, or is provided on a member different from the top plate at a position where the user can operate while holding the top plate. The mobile furniture according to 5. The mobile furniture constitutes a table in which the casters are attached to the lower part of the legs that support the top plate.
The claim that the movement switching operation tool is provided on the top plate, or is provided on a member different from the top plate at a position where the user can operate while holding the top plate. The mobile furniture according to any one of 1 to 4. The leg body includes a leg base to which the casters are attached and a leg support extending upward from the leg base.
The movement switching state display unit is provided on the upper surface of the leg base.
The mobile furniture according to any one of claims 5 to 7, wherein the movement switching operation tool and the movement switching state display unit are linked via an interlocking member provided along the leg support. A mobile piece of furniture equipped with a movement switching mechanism that switches between a movable state due to the rolling of casters and an immovable state that makes movement impossible due to the rolling of the casters.
The movement switching mechanism includes a movement switching operation tool and a movement switching state display unit which is connected to the movement switching operation tool via an interlocking member and interlocks with the operation of the movement switching operation tool.
The movement switching state display unit is provided at a position separated from the movement switching operation tool, and displays differently between the movable state and the non-movable state in conjunction with the operation of the movement switching operation tool. , Mobile furniture.

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