JP2017192616A - Flip-up seat-type chair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flip-up seat-type chair reducing a load of changeover work from a conventional stationary chair and securing the safety.SOLUTION: A flip-up seat-type chair 10 installable on at least two juxtaposed rod-like members 22 and 24, includes: a back 12 to be installed on the two rod-like members 22 and 24 and having a pair of attachment parts 12a; a seat 14 located in front of the back 12 and swingable between a use position on which a person can sit and a flip-up erected position; and a cover 16 disposed on the two rod-like members 22 and 24 between the pair of attachment parts 12a for covering a space Y between the two rod-like members 22 and 24.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a seat-standing chair that is suitably used for a bleacher seat, a spectator seat in a stadium, and the like.

  Conventionally, a seat standing type chair used for a bleacher seat or a spectator seat in a stadium has a back, a seat, and seat support members provided on both sides of the back, and a use position where the seat can be seated. Are supported by a seat support member so as to be swingable between the raised position and the raised position.

  Some of the auditoriums and stadium seats are not equipped with standing chairs, but have fixed chairs in which the seat remains fixed in the use position. Compared to the fixed chair, the seat-standing chair can secure a wider passageway between the chairs, and the back and seat dimensions can be increased. The number of cases where chairs are introduced is increasing.

JP 2009-160030 A

  In view of the circumstances as described above, a project has been proposed in which a bleacher seat using a fixed chair, a spectator seat in a stadium, and the like are replaced with a standing chair. Therefore, there is a need for a structure and method for simply exchanging a fixed chair with a standing chair.

  The present invention relates to a seat-standing chair that reduces the burden of replacement work from a conventional fixed chair and also ensures safety.

  The seat upright chair according to the present invention is a seat upright chair that can be installed on at least two juxtaposed rod-shaped members, and a pair of attachments installed on the two rod-shaped members. A seat having a portion, a seat positioned in front of the back and swingable between a seating use position and a raised standing position; and on the two rod-like members, A cover disposed between the pair of attachment portions and covering a space between the two rod-shaped members.

  According to the seat upright chair of the present invention, it is possible to reduce the burden of replacement work from a conventional fixed chair and to ensure safety.

FIG. 1 is a perspective view showing a state in which a plurality of standing seat chairs according to an embodiment of the present invention are installed. FIG. 2 is an enlarged view showing a seat upright chair and a penetrating material of the embodiment, (a) is an enlarged view showing a seat and a back attachment portion of the seat upright chair, and (b) is a back view of the back. The enlarged view which shows the state in which the attaching part was attached to the penetrating material. FIGS. 3A and 3B are views showing a cover which is a component of a seat-standing chair, in which FIG. 3A is a front view of the cover, FIG. 3B is a plan view of the cover, and FIG. FIG. 4 is a diagram showing a procedure for placing a seat-standing chair on a penetrating material, (a) is a diagram showing a state where a cover is arranged on the penetrating material, and (b) is a seat on both sides of the cover. The state which arrange | positions the attachment part of the back of an upright type chair is shown, (c) is a figure which shows the state which has arrange | positioned the seat upright type chair on the penetrating material. FIG. 5 is a view showing a space formed between a pair of attachment portions and two rod-shaped members in a state where there is no cover.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing a state in which a plurality of seat upright chairs according to an embodiment of the present invention are installed. The sitting upright chair 10 can be installed on a penetrating member 20 disposed on a leg 30 fixed to the floor of a theater or a stadium. The standing chair 10 includes a back 12 that supports a person's back and a seat 14. The seat 14 is connected to the back 12 by a seat support shaft 18, and the seat 14 can swing around a seat support shaft 18 between a use position where a person can be seated and a raised position where the person is raised. is there. FIG. 1 shows a state in which the seat 14 is in an unused standing position.

  The seat upright chair 10 shown in FIG. 1 is arranged with a passage in the front and rear thereof. As shown in FIG. 1, the seat 14 stands up in an unused state, so that the width of the passage can be made larger than a fixed chair that is fixed in a used state and does not swing. Is easy to pass. Moreover, since the dimensions of the back 12 and the seat 14 can be made larger, the sitting comfort can be improved as compared with the conventional fixed chair. For this reason, there are many cases in which standing upright chairs are adopted for spectator seats and the like of newly installed stadiums. In addition, even for stadiums where conventional fixed chairs are installed, there are cases where they are replaced with standing upright chairs.

  FIG. 2 is an enlarged view showing the seat upright chair 10 and the penetrating material 20. As shown in FIG. 2A, the back 12 of the seat-standing chair 10 has a pair of plate-like attachment portions 12a at the lowermost end. The attachment portion 12a extends inward from the lateral end of the spine 12, and a space X is provided between the pair of attachment portions 12a. The sitting upright chair 10 further includes a cover 16 disposed on the penetrating material 20 so as to fill the space X (see FIG. 1).

  As shown in FIG. 1 and FIG. 2 (b), the penetrating member 20 is composed of two parallel rod-shaped members 22 and 24. In the present embodiment, the rod-shaped members 22 and 24 are constituted by long cylindrical members having a circular cross section, and are arranged in parallel at a predetermined distance from each other. And the attachment part 12a of the back | dorsal 12 is arrange | positioned on the rod-shaped members 22 and 24 of the penetrating material 20, and is installed.

  The cover 16 is provided in the space X between the pair of attachment portions 12a, and simultaneously covers the space Y formed between the two rod-shaped members 22 and 24. Further, the pair of attachment portions 12a has bolt holes 12b that can be screwed to the bolts on the lower surface thereof (see FIG. 2A). Then, as shown in FIG. 2 (b), in a state where the pair of attachment portions 12a are arranged on the two rod-shaped members 22 and 24, the fixing member 28 having a passage hole through which the bolt 26 can pass, It arrange | positions under the two rod-shaped members 22 and 24, and the volt | bolt 26 passes through a passage hole from the downward direction of the two rod-shaped members 22 and 24, and is screwed by the bolt hole 12b. With such a structure, the seat-standing chair 10 is installed and fixed on the two rod-like members 22 and 24 constituting the penetrating member 20.

  3A and 3B are views showing a cover 16 which is a part of the seat-standing chair 10, FIG. 3A is a front view of the cover 16, FIG. 3B is a plan view of the cover 16, and FIG. c) shows side views of the cover 16, respectively. The cover 16 has an overall shape of a flat plate, and is provided with a substantially elliptical marker portion 16a in the front. A seal indicating a seat number can be attached to the marker portion 16a. Furthermore, the cover 16 includes an upper surface portion 16c to which an advertisement or the like can be attached, a protruding portion 16b protruding from both ends, and a convex portion 16d protruding downward from the back surface of the upper surface portion 16c. A part of the convex portion 16d is deleted, and a curved front side concave portion 16e and a rear side curved concave portion 16f are formed, respectively.

  FIG. 4 is a diagram illustrating a procedure for placing the seat-standing chair 10 on the penetrating member 20. First, as shown in FIG. 4A, the operator places the cover 16 on the two bar-shaped members 22 and 24 of the penetrating member 20. The front curved concave portion 16e and the rear curved concave portion 16f of the cover 16 shown in FIG. 3 have a curved shape along the two rod-like members 22 and 24. The front curved concave portion 16e and the rear curved concave portion 16f The two rod-shaped members 22 and 24 are stably disposed.

  Next, as shown in FIG. 4 (b), the operator lifts the seat upright chair 10 so that the pair of attachment portions 12 a of the back 12 of the seat upright chair 10 are aligned with both sides of the cover 16. In addition, it approaches the penetrating material 20. Then, as shown in FIG. 4 (c), the operator places the sitting upright chair 10 on the two rod-like members 22 and 24 of the penetrating member 20. In this case, a pair of attachment portions 12a are disposed on the protruding portions 16b at both ends of the cover 16 shown in FIG. As a result, the cover 16 is engaged with the pair of attachment portions 12a, and the movement of the cover 16 in the lateral direction can be suppressed, and only the cover 16 can be prevented from coming off.

  Finally, as shown in FIG. 2B, the worker attaches the bolt 26 and the fixing member 28 to the two rod-like members 22 and 24 and the pair of attachment portions 12a from below. That is, the operator passes the bolt 26 through the passage hole of the fixing member 28 from below the two rod-like members 22 and 24 and is screwed into the bolt hole 12b (see FIG. 2A). As a result, the pair of attachment portions 12a of the spine 12 press the protrusions 16b of the cover 16 against the two rod-like members 22 and 24 from above, and the bolts 26 push the fixing members 28 from the bottom. It presses against the rod-shaped members 22 and 24 and a pair of attachment parts. In the present embodiment, in the final installation state, the projecting portion 16b does not directly contact the two rod-shaped members 22 and 24, but the fixing member 28 includes the two rod-shaped members 22 and 24 and a pair. It directly contacts the lower surface of the mounting portion 12a.

  As a result, the pair of attachment portions 12a and the cover 16 of the spine 12 are integrally and securely fixed to the two rod-like members 22 and 24 of the penetrating member 20, so that the seat standing chair 10 can be stably installed. Secured. Finally, as shown in FIG. 4 (c), the upper surface of the pair of attachment portions 12a and the upper surface portion 16c of the cover 16 form a single plane S facing the lower surface of the seat 14 located at the use position. Will do. A substantially single plane S is formed on the upper side of the pair of attachment portions 12a and the cover 16, and no protrusions or steps are formed. Therefore, when a person wants to sit on the seat 14, the seat 14 moves smoothly to the use position. Is possible.

  FIG. 5 is a diagram illustrating a state in which the space X and the space Y are formed in a state where the seat-standing chair 10 is disposed on the two rod-shaped members 22 and 24 without attaching the cover 16. When the cover 16 is not used, such a space is formed, and there is a risk that a hand or the like may be inadvertently caught in the space. However, when the cover 16 is attached, the seat upright chair 10 is attached. As well as convenience, safety is improved. In this embodiment, in the state where the cover 16 is disposed on the two rod-shaped members 22, 24, the convex portions 16 d on the back surface (lower surface) of the cover 16 and the upper ends of the legs 30 are connected to the two rod-shaped members by bolts 32. The fixing member 34 fixed to 22 and 24 contacts. Therefore, the cover 16 is more stably disposed on the two rod-like members 22 and 24.

  When a conventional chair such as a fixed chair is disposed on the two rod-shaped members 22 and 24 and this chair is replaced with the seat-standing chair 10 of this embodiment, the conventional chair is replaced with two conventional chairs. After removing from the rod-shaped members 22 and 24, it is possible to arrange the seat upright chair 10 by the procedure shown in FIG. Therefore, it is possible to arrange the standing chair 10 while leaving the penetrating material 20 and the leg 30 in the conventional state. The replacement work of the penetrating material 20 and the leg 30 is a heavy work, and the burden of the replacement work can be reduced by using the seat upright chair 10 of the present embodiment. That is, it is possible to easily replace a fixed chair with a seat-upright chair without taking time and cost.

  In the above embodiment, the cover 16 is formed separately from the pair of attachment portions 12a of the spine 12. However, the cover 16 may be formed integrally with the attachment portion 12a.

  There are no particular limitations on the materials of the parts and parts constituting the sitting upright chair 10 such as metal and resin. In this embodiment, the penetrating member 20 is composed of two rod-like members 22 and 24. However, the number of rod-like members constituting the penetrating member is two or more, and there is a space between them. If there is no particular limitation.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimension, numerical value, form, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

  The seat upright chair according to the present invention can reduce the time and cost burden of the replacement work by reducing the burden of the replacement work from the conventional fixed chair, and also ensures safety. It is a thing.

DESCRIPTION OF SYMBOLS 10 Seat standing type chair 12 Back 12a A pair of attachment part 14 Seat 16 Cover 16b Projection part 20 Penetration material 22, 24 Bar-shaped member 30 Leg S Single plane X, Y Space

Claims (4)

A seat-standing chair that can be installed on at least two juxtaposed rod-shaped members,
A spine having a pair of attachment portions installed on the two rod-shaped members;
A seat located in front of the back and swingable between a seated use position and a raised position;
A cover disposed on the two rod-shaped members and between the pair of attachment portions, and covering a space between the two rod-shaped members;
An upright chair with a seat. The seat-standing chair according to claim 1,
The seat upright chair, wherein the pair of attachment portions and the cover form a single plane facing the lower surface of the seat located at the use position. The seat-standing chair according to claim 1,
The cover has protrusions protruding from both ends;
A seat upright chair, wherein the pair of attachment portions are disposed on the protruding portion. A seat-standing chair according to claim 3,
Each of the pair of attachment portions has a bolt hole,
A fixing member having a passage hole through which a bolt can pass is disposed below the two rod-shaped members,
When the bolt passes through the passage hole from below the two rod-shaped members and is screwed into the bolt hole, the pair of attachment portions causes the protrusions to be projected from the top to the two rod-shaped members. And the bolt pushes the fixing member from below to the two rod-shaped members and the pair of attachment portions.

Images