JP5597034B2 - Chair with table - Google Patents

Description

  The present invention relates to a chair with a table provided in a chair installed in a theater or the like in the front-rear direction so that a simple table for use by a seated person in the back chair can be stored in the backrest of the chair.

  A conventional chair with a table is provided with a table storage box for storing the table on the back side of the back of the chair, and the table drawn upward from the opening of the table storage box is arranged so that the table is horizontal. It is tilted to the back side (see, for example, Patent Document 1).

JP 2006-181091 A

  However, in the chair with a table described in Patent Document 1, when the table is tilted to the back so that the table is horizontal, the upper surface (top plate surface) near the base end edge of the table and the upper edge of the opening Since there is a gap between the user and the user, there is a risk that the user may pinch the finger, and if the table falls down vigorously due to its own weight, the impact is applied to the pinched finger. .

  The present invention has been made paying attention to such problems, and prevents fingers from being caught between the top plate surface near the base edge of the table and the upper edge of the opening of the table storage box. And it aims at providing the chair with a table which can reduce the rocking | fluctuation speed of the table pulled out from the table storage box.

In order to solve the above problems, the chair with a table of the present invention is
A table storage box for storing a table is provided on the back side of the back of the chair, and the table is drawn upward from an opening opened at the top of the table storage box. A chair with a table that is swung toward a use position that is substantially horizontal about a swing shaft provided in the vicinity of the base end edge,
A cover member having a lateral width substantially the same as the lateral width of the opening is provided at the upper edge of the opening, and the cover member is urged so as to be lowered downward by the urging means. The cover member is in contact with the top plate surface of the table, and when the table is swung around the rocking shaft, the top plate surface near the base edge of the table is the cover member. It is characterized by pushing up.
According to this feature, the space between the top plate surface near the base edge of the table and the upper edge of the opening is not only when the table pulled out from the table storage box is swung around the swing shaft. Even when the table is in the use position, it is always blocked by the cover member, preventing the fingers from being caught between the top plate surface near the base edge of the table and the upper edge of the opening. On the other hand, the urging force by the urging means is applied to the base end edge side of the table via the cover member, and the swing speed at which the table is swung toward the use position can be reduced.

The chair with a table of the present invention is
The lower end edge of the cover member is formed with a curved portion having a curved shape as viewed in a longitudinal side view.
According to this feature, even if an attempt is made to insert a finger between the top plate surface near the base edge of the table and the lower end of the cover member, the finger is pushed outward by the curved portion, and the finger is pinched. Can be prevented.

The chair with a table of the present invention is
The swing shaft is provided at a position where a top plate surface near the base edge of the table is swung along the curved portion when the table is swung.
According to this feature, a space between the top plate surface near the base end edge of the table and the lower end edge of the cover member is closed during the swinging of the table, and the top plate surface near the base end edge of the table And a finger can be prevented from being pinched between the lower end of the cover member.

The chair with a table of the present invention is
It is characterized in that a damper device is provided which acts as a resistance to lift of the cover member when the cover member is pushed up.
According to this feature, the resistance of the damper device is applied to the base end edge side of the table via the cover member, and the swing speed at which the table swings toward the use position can be reduced. Even if the resistance of the damper device is improved, the table in the use position does not float.

It is a perspective view which shows the chair in Example 1. FIG. It is an AA vertical side view which shows the chair in FIG. It is a top enlarged view which shows the chair in FIG. It is a vertical side view which shows the state which pulled up the table from the table storage box. It is a vertical side view which shows the state in the middle of rocking | fluctuating a table. It is a vertical side view which shows the state which has a table in a use position. It is a vertical rear view which shows arrangement | positioning of the buffering device in a table storage box. It is a vertical side view which shows the chair with a table in Example 2. FIG. It is a vertical side view which shows the use condition of a table.

  EMBODIMENT OF THE INVENTION The form for implementing the chair with a table which concerns on this invention is demonstrated below based on an Example.

  A chair with a table according to Example 1 will be described with reference to FIGS. Hereinafter, the left side of FIG. 2 to FIG. 6 will be described as the front side (front side) of the chair with table.

  The code | symbol 1 of FIG. 1 is a chair as a chair with a table to which this invention was applied. The chair 1 is a chair that is used, for example, in a university auditorium or theater. As shown in FIG. 1, many users can be seated by arranging a plurality of chairs 1 arranged in the left-right direction in the front-rear direction. In the present embodiment, the three chairs 1 are arranged side by side in the left-right direction to form one set, but the number of chairs 1 is not limited to this, and any number may be arranged in parallel.

  Further, like the left chair 1 shown in FIG. 1, a table 2 is stored on the back side of the chair 1, the table 2 is pulled out like the central chair 1, and the table 2 like the right chair 1. Can be made horizontal by swinging. The table 2 placed in the horizontal state as described above can be used by a user seated on the chair 1 in the rear seat, and documents and food and drink can be placed on the table 2.

  In the present embodiment, the position of the table 2 in the state in which the table 2 is stored as in the left chair 1 shown in FIG. 1 is set as the storage position, and the table 2 is in the chair 1 as in the right chair 1. The position of the table 2 that is pulled out rearward and in a horizontal state will be described as a use position.

  As shown in FIGS. 1 and 2, the chair 1 includes a leg portion 3 installed on the floor, a seat portion 4 on which a user sits, a backrest portion 5 extending upward from the rear portion of the seat portion 4, and The back frame portion 6 is configured to support the backrest portion 5 on the back side of the backrest portion 5, and the table device 7 is provided behind the back frame portion 6.

  The table device 7 includes a box-shaped table storage box 8 that opens upward, a lid 9 on the top of the table storage box 8, a table 2 that can be pulled out in the table storage box 8, and will be described later. The shock absorber 10 and the cover member 11 are provided.

  The backrest part 5, the back frame part 6, and the back plate 8 a of the table storage box 8 are inclined rearward in a substantially parallel state. The table 2 is stored on the upper side in the table storage box 8, and the table 2 can be pulled out from an opening 24 provided in the upper part of the table storage box 8.

  As shown in FIG. 2, a handle portion 12 that protrudes rearward and downward is formed at the leading edge of the table 2 that is the upper end when the table 2 is in the storage position. The user can grasp the handle portion 12 and pull out the table 2 from the opening 24. The handle portion 12 has a left-right width that is substantially the same as the left-right width of the opening 24.

  A pivot member 13 that pivots the table 2 is attached to the left and right sides of the table 2 at the base end that is the lower end when the table 2 is in the storage position. When the table 2 is pulled out from the table storage box 8, the table 2 is swung around a pivot shaft 13a (swing shaft) at the base end.

  Furthermore, guide rails 14 extending in the vertical direction are attached to the left and right side plates 8b of the table storage box 8 inside thereof. A pivot member 13 attached to the table 2 is engaged with the guide rail 14, and the vertical movement of the table 2 is guided by the guide rail 14. The table 2 is held in the storage position by the lower end portion of the pivot member 13 coming into contact with the lower end portion of the guide rail 14.

  As shown in FIG. 3, a bracket 15 having a substantially S shape in a side view is attached to the back surface of the back frame portion 6. The bracket 15 is formed with three portions perpendicular to the back frame portion 6 and will be described as an upper end portion 15a, an intermediate portion 15b, and a lower end portion 15c from the top.

  An upper end portion 15 a of the bracket 15 is in contact with the lower surface of the lid portion 9, and the shock absorber 10 for reducing the swing speed of the table 2 is attached to the bracket 15. The shock absorber 10 includes a shaft 16 extending in the vertical direction, a spring 17 (biasing means) provided at the lower portion of the shaft 16, and a stopper 18 fixed to the shaft 16 at the upper portion of the spring 17. The shaft 16 is inserted through the upper end portion 15a, the intermediate portion 15b, and the lower end portion 15c of the bracket 15.

  In addition, a cover member 11 that is substantially L-shaped in the reverse direction when viewed from the right side is provided on the upper portion of the shock absorber 10. The cover member 11 has a lateral width equivalent to that of the table 2 and the opening 24, and the lower rear side of the cover member 11 is smoothly curved to form a curved portion 11a. The upper end portion of the shaft 16 in the shock absorber 10 is fixed to the lower surface of the cover member 11.

  The spring 17 is provided at the lower portion of the shaft 16, and the upper end portion thereof is in contact with the lower end portion 15 c of the bracket 15. The stopper 18 fixed to the shaft 16 is movable in the vertical direction together with the shaft 16 in a gap 19 formed between the back frame portion 6 and the bracket 15.

  The cover member 11 is urged downward by a spring 17 of the shock absorber 10. As shown in FIG. 7, the bracket 15 and the shock absorber 10 are arranged one by one near the left and right side plates 8 b in the table storage box 8 of the chair 1.

  As shown in FIG. 3, a small cover member 20 is attached to the upper end of the back plate 8a in the table storage box 8 inside. The front upper side is a small cover member 20 that bends similarly to the cover member 11, and the curved portion 11 a of the cover member 11 and the curved portion 20 a of the small cover member 20 face each other.

  Next, the operation when pulling out the table 2 from the table storage box 8 will be described with reference to FIGS. In the chair 1 shown in FIG. 3, the table 2 is in the storage position stored in the table storage box 8.

  When the user puts a finger on the handle portion 12 of the table 2 and pulls it upward, the table 2 is moved upward along the guide rail 14 (see FIG. 4). When the pivot member 13 is moved to a predetermined height position, the pivot member 13 engages with the upper end portion of the guide rail 14 and stops, so that the table 2 is positioned so as to be swingable.

  Then, as shown in FIG. 5, the table 2 is swung around the pivot shaft 13a and tilted rearward, and the top surface 2a (upper surface) in the vicinity of the base edge (near the front edge) of the table 2 is While contacting the curved part 11a of the cover member 11, the lower surface of the base end side of the table 2 contacts the curved part 20a of the small cover member 20. At this time, the table 2 is sandwiched between the cover member 11 and the small cover member 20, and the swing of the table 2 is stabilized. When the table 2 is swung, the top plate surface 2a near the base edge of the table 2 is swung along the curved portion 11a.

  Further, the cover member 11 is pushed upward as the table 2 swings, and the shock absorber 10 fixed to the cover member 11 is also moved upward. The distance between the lower end portion of the shaft 16 of the shock absorber 10 and the lower end portion 15c of the bracket 15 is reduced, the spring 17 contracts, and the biasing force that pulls the cover member 11 downward is further increased. Therefore, the swing speed of the table 2 is reduced, and the table 2 can be prevented from falling down suddenly.

  When the shaft 16 of the shock absorber 10 is moved upward, the stopper 18 fixed to the shaft 16 moves upward in the gap 19 between the back frame portion 6 and the bracket 15, and the stopper 18 is moved to the bracket 15. The movement of the shock absorber 10 is stopped when it comes into contact with the intermediate portion 15b. That is, the swing of the table 2 is stopped, and the table 2 is in a use position where the table 2 is in a horizontal state (see FIG. 6).

  At this time, the top plate surface 2 a of the table 2 is in contact with the lower end portion of the cover member 11, and the lower surface of the table 2 is in contact with the upper end portion of the small cover member 20. By holding the upper and lower surfaces of the table 2 between the cover member 11 and the small cover member 20, the horizontal state of the table 2 is maintained, and the table 2 can be used.

  When the table 2 is in the use position, the top plate surface 2a of the table 2 and the cover member 11 are in contact with each other, so that the user puts a pencil or the like on the front back side from the top plate surface 2a side of the table 2. Even in such a case, a pencil or the like is prevented from entering the table storage box 8.

  The urging force of the spring 17 is designed to be smaller than the weight of the table 2, and the table 2 that has been pulled out is tilted in the direction of the use position due to the weight of the table 2 and the horizontal state of the table 2 is maintained. It has come to be.

  When the table 2 is stored in the table storage box 8, when the user pushes the handle portion 12 of the table 2 in the use position upward, the table 2 swings around the pivot shaft 13a. Then, the cover member 11 pushed up by the top plate surface 2a of the table 2 is lowered downward by the urging force of the spring 17 of the shock absorber 10 (see FIG. 5).

  As shown in FIG. 4, when the table 2 is in a substantially vertical state parallel to the guide rails 14, the table 2 can be stored in the table storage box 8, and the table 2 is lowered to lower the lower end portion of the pivot member 13. Comes into contact with the lower end of the guide rail 14 and the table 2 is stopped at the storage position (see FIGS. 2 and 3).

  Since the cover member 11 is pulled downward by the urging force of the spring 17 of the shock absorber 10, when the user swings the table 2 and stores it in the table storage box 8, the force is smaller than the weight of the table 2. The user can be swung with the lens to reduce the load on the user.

  Next, a chair with a table according to the second embodiment will be described with reference to FIGS. In addition, the same structure as the said Example 1 and the overlapping structure are abbreviate | omitted. Hereinafter, the left side of FIG. 8 and FIG. 9 will be described as the front side (front side) of the chair with table.

  As shown in FIG. 8, the chair 1 according to the second embodiment is provided with a damper 21 (damper device) on the lid portion 9 on the upper portion of the table storage box 8. The damper 21 is, for example, an oil damper, and is filled with oil (not shown) that generates viscous resistance.

  In the damper 21, a rod 23 extends downward from the outer case body 22, and a tip end portion of the rod 23 is fixed to a lower end portion of the cover member 11. When the rod 23 enters the case body 22, the viscous resistance of oil (not shown) applied to the rod 23 serves as a buffering force of the damper 21. And the damper 21 can reduce the rocking | fluctuation speed of the table 2 when a user rock | fluctuates the table 2 from a storage position to a use position similarly to the buffer device 10. FIG.

  When the table 2 is swung from the storage position to the use position, the top surface 2a on the base end side of the table 2 contacts the cover member 11, and the cover member 11 is moved upward. Then, the rod 23 of the damper 21 enters the case body 22 and the spring 17 of the shock absorber 10 contracts, whereby the swing speed of the table 2 can be reduced.

  As described above, the chair 1 according to the present embodiment is provided with the damper 21 in addition to the shock absorber 10, so that the impact of the table 2 falling can be buffered more reliably.

  As described above, in the chair with table 1 according to the present embodiment, the table storage box 8 in which the table 2 is stored is provided on the back side of the backrest part 5 of the chair 1, and the opening 24 opened at the top of the table storage box 8. The table 2 is drawn upward from the table, and the drawn table 2 is swung toward a use position that is substantially horizontal about a pivot shaft 13a provided in the vicinity of the base end edge thereof. In addition, a cover member 11 having a lateral width substantially the same as the lateral width of the opening 24 is provided on the upper edge of the opening 24, and the cover member 11 is lowered downward by the spring 12. When the table 2 is swung about the pivot shaft 13a, the top plate surface 2a in the vicinity of the base end edge of the table 2 pushes up the cover member 11, so that the table 2 2 base edges Between the side top plate surface 2a and the upper edge of the opening 24, the table 2 is used not only when the table 2 pulled out from the table storage box 8 is swung around the pivot shaft 13a. In this case, the cover member 11 is always closed, and a finger is prevented from being sandwiched between the top surface 2a near the base edge of the table 2 and the upper edge of the opening 24. The urging force of the spring 17 is applied to the base end side of the table 2 through the cover member 11, and the swing speed at which the table 2 swings toward the use position can be reduced.

  In addition, a curved portion 11 a that is curved in a longitudinal side view is formed at the lower end edge of the cover member 11, so that the top surface 2 a near the base edge of the table 2 and the lower end of the cover member 11 Even if it is going to insert a finger | toe in between, it acts so that a finger may be pushed outward by the curved part 11a, and it can prevent a finger | toe being pinched.

  Further, the pivot shaft 13a is provided at a position where the top surface 2a near the base edge of the table 2 is swung along the curved portion 11a when the table 2 is swung. The top plate surface 2a in the vicinity of the base end edge of the table 2 and the lower end edge of the cover member 11 are closed during the swinging of the table 2, and the top plate surface 2a in the vicinity of the base end edge of the table 2 and the cover It is possible to prevent a finger from being sandwiched between the lower end of the member 11.

  In addition, when the cover member 11 is pushed up, the damper 21 is provided as a resistance to lift the cover member 11, so that the resistance of the damper 21 is applied to the base edge side of the table 2 via the cover member 11. The rocking speed at which the rocks are swung toward the use position can be reduced. Even if the resistance force of the damper 21 is improved, the table 2 in the use position does not float.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.

  For example, in the said Example, although the shock absorber 10 was provided one each in the right-and-left both sides of the chair 1, any one may be sufficient.

  Moreover, in the said Example, although the oil damper was used for the damper 21 as a damper apparatus, you may use the gas damper which used gas, and another damper.

DESCRIPTION OF SYMBOLS 1 Chair 2 Table 2a Top plate surface 5 Backrest part 7 Table apparatus 8 Table storage box 8a Back panel 8b Side panel 9 Lid part 10 Shock absorber 11 Cover member 11a Bending part 12 Handle part 13 Pivoting member 13a Pivoting axis Dynamic axis)
17 Spring (biasing means)
21 Damper (Damper Device)
24 opening

Claims (4)

A table storage box for storing a table is provided on the back side of the back of the chair, and the table is drawn upward from an opening opened at the top of the table storage box. A chair with a table that is swung toward a use position that is substantially horizontal about a swing shaft provided in the vicinity of the base end edge,
A cover member having a lateral width substantially the same as the lateral width of the opening is provided at the upper edge of the opening, and the cover member is urged so as to be lowered downward by the urging means. The cover member is in contact with the top plate surface of the table, and when the table is swung around the rocking shaft, the top plate surface near the base edge of the table is the cover member. A chair with a table, which is designed to push up the chair.   The chair with a table according to claim 1, wherein the lower end edge of the cover member is formed with a curved portion having a curved shape as viewed in a longitudinal side view.   3. The swing shaft is provided at a position where a top plate surface near a base edge of the table is swung along the curved portion when the table is swung. Chair with table as described in.   The chair with a table according to any one of claims 1 to 3, wherein a damper device is provided that serves as resistance to ascent of the cover member when the cover member is pushed up.

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