Chair with memo board

Description: TECHNICAL FIELD [Detailed description of the invention]

【0001】

[Technical field to which the invention belongs]

The present invention relates to a chair with a memo stand.

【0002】

[Conventional technology]

In conference halls and the like, a chair with a memo stand is often used in which a memo stand is attached to a chair body having legs, a seat, and a backrest. In this type of chair with a memo stand, the memo stand is horizontally attached to an arm extending from the right side of the seat. Therefore, the user can take a record by using the memo stand which is in a horizontal posture on the right front side of the seat, which is convenient.

【0003】

[Problems to be Solved by the Invention]

However, the chair with a memo stand has a problem that the memo stand is an obstacle and it is inconvenient to store it in a warehouse or the like. Therefore, it is conceivable to make the memo stand removable, but in order to make such a structure, in the configuration where the memo stand is attached to and detached from the chair body with bolts, a tool such as a wrench is required every time the memo stand is attached or detached. It is inconvenient because it becomes, and it takes time to put on and take off it.

【0004】

In addition, the chair with a memo stand is generally arranged on the right front side of the seat as if the user is right-handed, but such a configuration is considerably inconvenient for a left-handed person. Therefore, the memo stand may be attached to or detached from the left or right side of the seat, but in such a configuration using bolts or the like, a tool such as a wrench is required every time the memo stand is attached or detached. It is inconvenient and it takes time to put on and take off.

【0005】

Therefore, an object of the present invention is to provide a chair with a memo stand that is easy to use by solving the above-mentioned problems.

【0006】

[Means for solving problems]

In order to solve the above problems, the present invention presents a memo stand unit that is detachably attached to the chair body via a chair body having a seat portion and a memo stand support mechanism formed on the side of the chair body. In a chair with a memo stand having a memo stand, the memo stand unit includes a memo stand and a connecting plate in which a first engaging recess and a second engaging recess are formed on the front end edge and the rear end edge, respectively. The memo stand support mechanism is inserted into the insertion groove into which the connecting plate is inserted from above, the first inner wall and the second inner wall in which the connecting plate is in contact with both sides of the connecting plate, respectively, and the insertion groove. First and second engagements that engage the first and second engagement recesses of the connecting plate and hold the memo stand unit so that the memo stand is located in front of the seat portion. It is characterized by having a part.

【0007】

In the present invention, in order to attach the memo stand unit to the chair body, first, the connecting plate of the memo stand unit is inserted into the insertion groove of the memo stand support mechanism. Here, the front end edge and the rear end edge of the connecting plate are formed with the first and second engaging recesses, respectively, while the first and second engaging portions are formed in the insertion groove. Therefore, after inserting the connecting plate of the memo stand unit into the insertion groove, tilt the memo stand unit forward to engage the first and second engaging portions with the first and second engaging recesses, respectively. And the memo stand unit does not lean forward any more. Therefore, the memo stand of the memo stand unit can be fixed in the horizontal posture at the front position of the seat portion. Further, even if a load is applied to the memo stand when taking notes on the memo stand, the direction of the applied load is such that the first and second engaging portions are deep in the first and second engaging recesses. Since it is in the engaging direction, the memo stand does not rattle. Further, in this state, since the first and second inner walls are in contact with both sides of the connecting plate in the insertion groove, the memo stand unit does not rattle in the left-right direction. On the other hand, the connecting plate of the memo stand unit is inserted from the inside of the insertion groove while disengaging the first and second engaging recesses from the first and second engaging portions by tilting the memo stand unit rearward. The memo stand unit can be removed from the chair body simply by pulling it out. As described above, in the chair with a memo stand according to the present invention, the memo stand unit can be easily attached to and detached from the chair body. Moreover, since no bolts or the like are used to attach / detach the memo stand unit to / from the chair body, no tool such as a wrench is required to attach / detach the memo stand unit. Therefore, the chair with a memo stand of the present invention is convenient because the memo stand unit can be removed and stored without any trouble when it is stored in a warehouse or the like.

【0008】

In another embodiment of the present invention, in a chair with a memo stand having a chair body provided with a seat portion and a memo stand unit detachably attached via a memo stand support mechanism formed on the side of the chair body. The memo stand support mechanism is formed on both the left and right sides of the chair body, and the memo stand unit can be supported by any of the left and right side of the memo stand support mechanism. It is characterized in that it is provided with a memo stand that can be flipped in either the left or right direction, and a stopper for fixing the memo stand in a horizontal posture even when the memo stand is flipped in either the left or right direction.

【0009】

In the chair with a memo stand according to the present invention, since the memo stand support mechanisms are formed on both the left and right sides of the chair body, the memo stand unit can be attached to either the left or right side. Further, in the memo stand unit, the memo stand can be inverted to either the left or right side, and a stopper for fixing the memo stand in the horizontal posture is formed, so that it is used by a right-handed person. If you attach the memo stand unit to the right side of the chair body and tilt the memo stand to the left side, the memo stand will take a horizontal posture in front of the user's right. On the contrary, when a left-handed person uses it, if the memo stand unit is attached to the left side of the chair body and the memo stand is tilted to the right side, the memo stand takes a horizontal posture in front of the user's left. As described above, in the present invention, one chair with a memo stand can be used for right-handed and left-handed people, which is convenient.

【0010】

Even in such a chair with a memo stand, the memo stand unit is a connecting plate in which a first engaging recess and a second engaging recess are formed as the connecting portion on the front end edge and the rear end edge, respectively. The memo stand support mechanism includes an insertion groove into which the connecting plate is inserted from above, a first inner wall and a second inner wall that are in contact with both sides of the connecting plate in the insertion groove, and the inside of the insertion groove. The first and second engaging with the first and second engaging recesses of the connecting plate inserted into, respectively, and holding the memo stand unit so that the memo stand is located in front of the seat portion. It is preferable to have an engaging portion of the above. With this configuration, when replacing the memo stand unit on the left and right sides of the chair body, first, the memo stand unit attached to the chair body is tilted backward via the memo stand support mechanism, and the first and first positions are used. The memo stand unit can be removed from the chair body by simply pulling out the connecting plate of the memo stand unit from the insertion groove while disengaging the engaging recess of 2 and the first and second engaging portions. For the removed memo stand unit, insert the connecting plate into the insertion groove of the memo stand support mechanism on the opposite side of the chair body, tilt the memo stand unit forward, and insert the first into the first and second engaging recesses. When the second engaging portion and the second engaging portion are engaged with each other, the memo stand unit is attached to the chair body, and the memo stand unit does not tilt forward any more. As described above, in the chair with a memo stand according to the present invention, the memo stand unit can be easily replaced on the left and right sides of the chair body without using a tool such as a wrench, which is convenient.

【0011】

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

【0012】

(Overall configuration) FIG. 1 is a perspective view showing a chair with a memo stand to which the present invention is applied. As shown in FIG. 1, the chair 1 with a memo stand of this embodiment includes the chair body 2, the memo stand support mechanisms 4A and 4B configured on the left and right sides of the seat 23 in the chair body 2, and the memo stand support mechanism 4A. It has a memo stand unit 3 that can be attached and detached to the right or left side of the chair body 2 via 4B.

【0013】

The chair body 2 is supported by a pair of right leg portions 21 extending in a C shape in the front-rear direction, a pair of left leg portions 22 extending in a C-shape in the front-rear direction, and the upper ends of these left and right leg portions 21 and 22. It is composed of a substantially square seat portion 23 and a backrest portion 224 supported by the rear end portion of the seat portion 23. The left and right legs 21 and 22 are formed of metal pipes, and the seat 23 and the backrest 24 are configured by covering the surfaces of the plastic seat plate 231 and the backrest plate 241 with cushions 232 and 242. ing.

【0014】

(Structure of Memo Stand Unit 3) FIG. 2 is a side view showing the memo stand unit 3 used for the chair with the memo stand shown in FIG. 1, and FIG. 3 (A) is a front view showing the memo stand unit 3. As shown in FIGS. 1, 2 and 3 (A), the memo stand unit 3 is configured between the memo stand 31, the arm 32 supporting the memo stand 31, and the memo stand 31 and the arm 32. It is equipped with a memo stand reversing mechanism 34.

【0015】

The arm 32 is a metal pipe bent into an L shape, and the upper end portion of the connecting plate 33 (connecting portion) to the chair body 2 is connected to the horizontal portion 321 thereof. The connecting plate 33 is composed of a metal plate having a constant thickness extending diagonally rearward from the horizontal portion 321 of the arm 32 in a shape that is gently curved, and the side surface portion 333 is directed to the left and right. The front end edge 335 and the rear end edge 336 of the connecting plate 33 are formed with a first engaging recess 331 and a second engaging recess 332 notched in an arc shape, respectively.

【0016】

At the upper end of the vertical portion 322 of the arm 32, a memo stand reversing mechanism 34 for supporting the memo stand 31 is configured. In the memo stand reversing mechanism 34, first, the bottom portion of the receiving plate 341 having a U-shaped cross section is fixed to the upper end portion of the arm 32. A square bar-shaped stopper 347 is fixed to the bottom of the receiving plate 341 by a method such as welding. At a position above the stopper 347, a bolt 343, which is the center of rotation of the memo stand 31, is horizontally attached from the front end to the rear end of the receiving plate 341. A support plate 344 is connected to the shaft portion of the bolt 343, and the support plate 344 has a pair of overhanging portions 345 protruding in a U shape sandwiching the memo stand 31 and being screwed to the memo stand 31. It is connected. Therefore, the memo stand 31 is supported by the arm 32 in a state of being rotatable around the central axis 343L of the bolt 343 via the support plate 344 and the receiving plate 341. Further, a washer 348 coaxially attached to the shaft portion of the bolt 343 is sandwiched between the base portion 345 of the support plate 344 and the side plate portion 342 of the receiving plate 341, and the washer 348 has an appropriate sliding friction. It is a resin product. Therefore, when the support plate 344 rotates around the axis of the bolt 343, an appropriate frictional force (resistance force) is applied. Therefore, the memo stand 31 can be inverted in either the left or right direction at the upper end of the arm 32, and maintains an upright posture at the upper end of the arm 32 as shown in FIGS. 2 and 3 (A). You can also.

【0017】

Further, as shown by arrows R and L in FIG. 3 (B), when the memo stand 31 is rotated around the central axis 344L of the bolt 344, the support plate 344 is placed in a horizontal position with the memo stand 31 in a horizontal position. The base 345 hits the corner of the stopper 347. Therefore, as shown by the alternate long and short dash line, the memo stand 31 is held in a horizontally prostrated posture on the right side or the left side by the stopper 347 even when it is inverted in either the left or right direction.

【0018】

As shown in FIGS. 1 and 2, the memo stand 31 is a plate made of wood or the like and having a certain thickness, and is a rectangular portion 312 extending in the width direction (left-right direction) from the connecting portion with the support plate 344. It has a substantially L-shaped plane shape with an armrest portion 311 extending from the connecting portion with the support plate 344 to the labor side. The body of the person sitting on the seat 23 is located in the curved recess 313 between the rectangular portion 312 and the armrest 311. In addition, the memo stand 31 is coated with melamine on both sides so that both sides can be used.

【0019】

(Structure of Memo Stand Support Mechanisms 4A and 4B) Next, the memo stand support mechanisms 4A and 4B for supporting the memo stand unit 3 will be described with reference to FIGS. 4 (A) and 4 (B). However, the left and right memo stand support mechanisms 4A and 4B are different in that they are symmetrically configured, but the basic configuration is the same. Therefore, here, only the memo stand support mechanism 4A on the right side will be described with reference to FIGS. 4 (A) and 4 (B), and the illustration and detailed description of the memo stand support mechanism 4B on the left side will be omitted. ..

【0020】

FIG. 4 (A) is an exploded perspective view showing the memo stand support mechanism 4A, and FIG. 4 (B) is a cross-sectional view of the memo stand support mechanism 4A in an assembled state.

【0021】

In FIGS. 4A and 4B, the memo stand support mechanism 4A configured on the right side of the seat portion 23 is the first with respect to the metal plate 41 connecting the upper ends of the pair of right leg portions 21 to each other. 1 inner wall member 42, cylindrical first and second engaging pieces 44, 45 (first and second engaging portions), second inner wall member 43, these first and second inner wall members The inner case 46 that covers 42 and 43, and the cover 47 that covers the inner case 46 are attached in this order.

【0022】

Of these members, the first and second inner wall members 42 and 43 are formed in a substantially trapezoidal shape, and low side walls 421 and 431 are formed on three sides excluding the upper side of the outer peripheral edge thereof, respectively. Further, in the first and second inner wall members 42 and 43, the positioning protrusions 423 and 433 protruding toward the opposite sides of the side walls 421 and 431 and the through holes 422 through which the pair of bolts 483 are passed are passed. 432 are formed respectively.

【0023】

As a result of the first and second inner wall members 42 and 43 configured in this way being stacked so that the tips of the side walls 421 and 431 are butted against each other, the first and second inner wall members 42, An insertion groove 49 into which the connecting plate 33 of the memo stand unit 3 is inserted is formed between 43. Here, the distance between the first and second inner wall members 42 and 43 is such that the connecting plate 33 of the memo stand unit 3 fits substantially without a gap and the first and second inner wall members 42 and 43 are connected to the connecting plate 33. It is set to touch both sides of each. Further, the first and second inner wall members 42 and 43 are resin molded products having an appropriate sliding friction, and exhibit an appropriate resistance force when the connecting plate 33 of the memo stand unit 3 is inserted into and removed from the insertion groove 49. It has become like.

【0024】

The inner case 46 that covers the first and second inner wall members 42 and 43 is also formed in a substantially trapezoidal shape, and slightly higher side walls 461 are formed at three locations except the upper side of the outer peripheral edge thereof. Flange portions 453 are formed at two locations on both sides of the side wall 461. By passing the bolt 481 through the through hole 454 formed in the flange portion 453 and the through hole 412 of the plate 41 and fixing the nut 482 to the bolt 481, the inner case 46 has the first and second inner walls inside the bolt 481. The members 42 and 43 are fixed to the plate 41 in a stored state.

【0025】

In this state, the positioning protrusions 423 and 433 formed on the first and second inner wall members 42 and 43 are formed in the through holes 413 formed in the plate 41 and the through holes 463 formed in the inner case 46, respectively. The first and second inner wall members 42 and 43 are fitted, respectively, so as not to come off from the inner case 46.

【0026】

The cover 47 that covers the outside of the inner case 46 includes a side surface portion 471 that covers the side surface of the inner case 46 and an upper surface portion 472 that covers the upper side of the inner case 46. The upper surface portion 472 is formed with a slit 473 corresponding to the upper opening of the insertion groove 49 formed between the first and second inner wall members 42 and 43 housed in the inner case 46. A pair of through holes 474 are formed in the side surface portion 471 of the cover 47. Further, a pair of through holes 422, 432, 462, and 411 are formed in the first and second inner wall members 42, 43, the inner case 46, and the plate 41, respectively, so as to correspond to the through holes 474 of the cover 47. ing. The cover 47 is fixed to the plate 411 by passing the bolt 483 through these through holes and fixing the nut 484 to the bolt 483.

【0027】

At this time, the first and second engaging pieces 44 and 45 formed in a cylindrical shape are coaxially mounted on each shaft portion of the pair of bolts 483. As a result, the first and second engaging pieces 44 and 45 are arranged in the front-rear direction at substantially the same height position between the first and second inner wall members 42 and 43 (inside the insertion groove 49). It becomes.

【0028】

In the memo stand support mechanism 4A configured in this way, as shown in FIG. 5, the connecting plate 33 of the memo stand unit 3 is inserted between the first and second engaging pieces 44 and 45 in the insertion groove 49 as shown in FIG. Can be plugged into. In this way, when the connecting plate 33 is inserted into the insertion groove 49, the memo stand unit 3 is slightly tilted backward so that the connecting plate 33 faces in a substantially vertical direction.

【0029】

With the connecting plate 33 inserted into the insertion groove 49 in this way, when the memo stand unit 3 is tilted forward as shown by the arrow F, the connecting plate 33 faces downward and rearward as shown in FIG. It will be in a state of extending diagonally. As a result, the first engaging piece 44 enters the first engaging recess 331 formed in the front end edge 335 of the connecting plate 33, while the second engaging recess 33 formed in the rear end edge 336 of the connecting plate 33. The second engaging piece 45 enters the space. Therefore, the memo stand unit 3 is prevented from tilting further forward. In this state, when the memo stand 31 is tilted to the right or left, the memo stand 31 rotates around the bolt 343 of the memo stand reversing mechanism 34, and when the memo stand 31 is in the horizontal position, the stopper 347 further increases it. Rotation is blocked. As a result, the memo stand 31 is in a horizontal position.

【0030】

In this way, when the memo stand unit 3 is removed from the state where the memo stand unit 3 is attached to the chair body 2 via the memo stand support mechanism 4A, the operation opposite to the above is performed. That is, when the memo stand unit 3 is tilted rearward from the state shown in FIG. 6 as shown by the arrow B in FIG. 5, the engagement between the first engaging recess 331 and the first engaging piece 44 is released. Therefore, if the memo stand unit 3 is lifted in this posture, the engagement between the second engaging recess 332 and the second engaging piece 45 is also released, and the connecting plate can be pulled out from the insertion groove 49. ..

【0031】

As shown in FIG. 1, the memo stand support mechanism 4A configured in this way is also configured on the left side of the seat portion 23. That is, the memo stand support mechanism 4B is also configured at the upper end of the leg 22 on the left side of the seat 23. The memo stand support mechanism 4B on the left side is symmetrically configured with the memo stand support mechanism 4A on the right side described above. Therefore, the memo stand unit 3 can be replaced with the left side of the seat portion 23.

【0032】

(How to use the chair 1 with a memo stand) When a right-handed person uses the chair 1 with a memo stand configured in this way, the memo stand unit 3 is placed on the right side of the seat 23 as shown in FIG. Attach it to the memo stand support mechanism 4A, and tilt the memo stand 31 to the left. In this way, the memo stand 31 lays flat on the right front of the person seated on the seat 23, so that it can be used for taking notes on the memo stand 31.

【0033】

On the other hand, when used by a left-handed person, as shown in FIG. 7, the memo stand unit 3 is attached to the memo stand support mechanism 4B on the left side of the seat 23, and the memo stand 31 is tilted to the right. In this way, the memo stand 31 lays flat on the left front of the person seated on the seat 23, so that a left-handed person can also use it to take notes on the memo stand 31.

【0034】

Further, when the memo stand unit 3 becomes an obstacle, such as when the chair 1 with the memo stand is stored in the warehouse, the memo stand unit 3 may be removed from the memo stand support mechanisms 4A and 4B.

【0035】

(Effect of this form) In this way, in the chair 1 with a memo stand of this form, the connecting plate 33 of the memo stand unit 3 is inserted into the insertion groove 39 of the memo stand support mechanisms 4A and 4B, and the first and second engagements are made. The memo stand unit 3 can be attached to the chair body 2 simply by engaging the first and second engaging pieces 44 and 45 with the joint recesses 331 and 332, respectively. In this state, even if a load is applied to the memo stand 31, the direction of the applied load is such that the first and second engaging pieces 44 and 45 are deeply engaged with the first and second engaging recesses 331 and 332. Since it is in the matching direction, the memo stand 31 does not rattle. Further, in this state, since the first and second inner wall members 42 and 43 are in contact with both surfaces of the connecting plate 33 in the insertion groove 39, the memo stand unit 3 does not rattle in the left-right direction. On the other hand, the memo stand unit 3 is disengaged from the first and second engaging recesses 331 and 332 and the first and second engaging pieces 44 and 45 by tilting the memo stand unit 3 rearward. The memo stand unit 3 can be removed from the chair body 2 simply by pulling out the connecting plate 33 from the inside of the insertion groove 39. Therefore, in the chair 1 with a memo stand of this embodiment, the memo stand unit 3 can be easily attached to and detached from the chair body 2. Further, since no bolt or the like is used to attach / detach the memo stand unit 3 to / from the chair body 2, there is an advantage that it does not take time to attach / detach the memo stand unit 3 from this point of view. Therefore, the chair 1 with a memo stand of the present invention is easy to use, for example, the memo stand unit 3 can be removed and stored when it is stored in a warehouse or the like.

【0036】

Further, in the chair 1 with a memo stand of this embodiment, since the memo stand support mechanisms 4A and 4B are formed on both the left and right sides of the chair body 2, the memo stand unit 3 can be attached to either the left or right side. Further, in the memo stand unit 3, the memo stand 31 can be inverted to either the left or right side, and a stopper 347 for fixing the memo stand 31 in a horizontal posture is formed, so that a right-handed person If the memo stand unit 3 is attached to the right side of the chair body 2 and the memo stand 31 is tilted to the left, the memo stand 31 takes a horizontal posture in front of the user's right. On the contrary, when a left-handed person uses it, if the memo stand unit 3 is attached to the left side of the chair body 2 and the memo stand 31 is tilted to the right, the memo stand 31 is in a horizontal position in front of the user's left. Take. Therefore, the chair 1 with a memo stand of this embodiment can be used for right-handed and left-handed people, and is convenient.

【0037】

[Effect of the invention]

As described above, in the chair with a memo stand of the present invention, the connecting plate of the memo stand unit is inserted into the insertion groove, and the first and second engaging portions are engaged with the first and second engaging recesses, respectively. The memo stand unit can be easily attached to and detached from the chair body without using tools such as a wrench, such as attaching the memo stand unit to the chair body just by combining them. Therefore, the chair with a memo stand of the present invention is easy to use, for example, the memo stand unit can be removed and stored when it is stored in a warehouse or the like. Further, even if a load is applied to the memo stand when taking notes on the memo stand, the direction of the applied load is such that the first and second engaging portions are deep in the first and second engaging recesses. Since it is in the engaging direction, the memo stand does not rattle. Further, in the insertion groove, the first and second inner walls are in contact with both sides of the connecting plate, so that the memo stand unit does not rattle in the left-right direction.

【0038】

Further, in the chair with a memo stand of the present invention, since the memo stand support mechanisms are formed on both the left and right sides of the chair body, the memo stand unit can be attached to either the left or right side. Further, in the memo stand unit, the memo stand can be inverted to either the left or right side, and a stopper for fixing the memo stand in the horizontal posture is formed, so that it is used by a right-handed person. If you attach the memo stand unit to the right side of the chair body and tilt the memo stand to the left side, the memo stand will take a horizontal posture in front of the user's right. On the contrary, when a left-handed person uses it, if the memo stand unit is attached to the left side of the chair body and the memo stand is tilted to the right side, the memo stand takes a horizontal posture in front of the user's left. As described above, in the present invention, the chair with a memo stand can be used as it is for right-handed and left-handed people, so that it is easy to use.

[Simple explanation of drawings]

[Figure 1]

It is a perspective view which shows the chair with a memo stand of this invention.

[Figure 2]

It is a side view which shows the memo stand unit of the chair with a memo stand shown in FIG.

[Fig. 3]

(A) is a front view of a main part of the memo stand unit shown in FIG. 2, and (B) is an explanatory view showing an operation of flipping the memo stand left and right in the memo stand unit shown in (A).

[Fig. 4]

(A) is an exploded perspective view of the memo stand support mechanism configured in the chair with the memo stand shown in FIG. 1, and (B) is a cross-sectional view of the memo stand support mechanism shown in (A).

[Fig. 5]

It is explanatory drawing which shows the state when the memo stand is attached to the memo stand support mechanism of the chair with a memo stand shown in FIG.

[Fig. 6]

It is explanatory drawing which shows the state which attached the memo stand to the memo stand support mechanism of the chair with a memo stand shown in FIG.

[Fig. 7]

It is a perspective view which shows the appearance that the memo stand is attached to the left side of the seat part of the chair with a memo stand shown in FIG.

[Explanation of symbols]

1 Chair with memo stand 2 Chair body 3 Memo stand unit 4A, 4B memo stand support mechanism 21 Right leg 22 Left leg 23 Seat 24 Backrest 31 Memo stand 32 arm 33 Connecting plate 34 Memo stand reversing mechanism 42 First inner wall member (first inner wall) 43 Second inner wall member (second inner wall) 44 First engaging piece (first engaging part) 45 Second engaging piece (second engaging part) 331 First engaging recess 332 Second engaging recess 347 Stopper