WO2022059131A1 - 移動観覧席 - Google Patents

移動観覧席 Download PDF

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Publication number
WO2022059131A1
WO2022059131A1 PCT/JP2020/035253 JP2020035253W WO2022059131A1 WO 2022059131 A1 WO2022059131 A1 WO 2022059131A1 JP 2020035253 W JP2020035253 W JP 2020035253W WO 2022059131 A1 WO2022059131 A1 WO 2022059131A1
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WO
WIPO (PCT)
Prior art keywords
floor
stopper
base
moving
stage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2020/035253
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English (en)
French (fr)
Japanese (ja)
Inventor
宗一 松田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kotobuki and Co Ltd
Kotobuki Seating Co Ltd
Original Assignee
Kotobuki and Co Ltd
Kotobuki Seating Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kotobuki and Co Ltd, Kotobuki Seating Co Ltd filed Critical Kotobuki and Co Ltd
Priority to PCT/JP2020/035253 priority Critical patent/WO2022059131A1/ja
Priority to JP2022550261A priority patent/JP7599636B2/ja
Publication of WO2022059131A1 publication Critical patent/WO2022059131A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/12—Theatre, auditorium or similar chairs
    • A47C1/126—Theatre, auditorium or similar chairs stowable in floor or wall
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
    • E04H3/12—Tribunes, grandstands or terraces for spectators

Definitions

  • the present invention relates to moving bleachers, and more specifically, a plurality of floor stands are interlocked with each other between a usage position in which the floor stands are generally deployed in a staircase pattern and a storage position in which the floor stands are aligned in the vertical direction as a whole. And about the moving bleachers that can be moved back and forth.
  • the moving bleachers of Patent Document 1 have a plurality of floor pedestals, a connecting chair mounted on each floor pedestal, and a plurality of chairs connected side by side, and each floor pedestal can be moved in the front-rear direction in a horizontal state. It is equipped with legs that support and engage with each other to interlock each floor. The legs are connected to a plurality of struts extending downward from the pedestal with the upper ends connected to a plurality of parts spaced in the left-right direction of the pedestal, and to the lower end of each stanchion in the front-rear direction. With a base that extends to.
  • the moving bleachers of Patent Document 1 are provided with a flat stopper at the front end of the base of each leg connected to a floor base other than the bottom floor base, and a support column connected to the floor base one step below. By engaging with, it moves in tandem and is deployed to the position of use.
  • the mounting position of the stopper to the base can be changed.
  • it is configured to be deployed in a shortened use position where one part of the multi-stage floor stand is aligned in the vertical direction and the length in the front-rear direction is shortened. There is.
  • the present invention has been made in view of the above circumstances, and the normal use position in which the floor pedestals are expanded step by step by a simple operation, and a part of the multiple tiered floor pedestals are aligned in the vertical direction, front and back. It is intended to provide a mobile bleacher that can be selectively deployed in a shortened use position with a shortened length in the direction.
  • the mobile viewing seat has a plurality of floor pedestals; and a support column that horizontally supports the floor pedestal, and extends in the front-rear direction at the lower end of the support column.
  • a plurality of legs having a base that can be moved in the anteroposterior direction; As a set of a first stopper that allows the floor pedestal one step below to move forward in an interlocking state while being displaced in a stepped manner, and a floor pedestal that aligns a part of the floor pedestal of the plurality of steps vertically.
  • the second stopper body is provided with an interfering member configured to project and retract toward the legs of the second floor pedestal constituting each set, and the legs of the second floor pedestal are the first.
  • the stopper pad that interferes with the interfering member and interlocks the first floor base and the second floor base when moving forward is provided.
  • the stopper pad is provided with a contact portion that comes into contact with the interference member when moving forward, and the protrusion length of the contact portion can be adjusted.
  • the second stopper is provided behind the support column.
  • the second stopper main body has a regulating unit that regulates the movement toward the protruding position when the interference member is in the retracted position and the movement toward the stored position when the interfering member is in the retracted position. It is also preferable to prepare.
  • the restricting portion regulates the movement of the interfering member from the retracted position to the protruding position by being urged by the elastic member.
  • the interference member may extend from the storage position to the protrusion position by the rotational movement around the axis extending in the front-rear direction of the leg portion in the storage position. preferable.
  • the interference member is arranged so as to be aligned in the left-right direction when the moving bleachers are in the storage position, and when the interference member is in the protruding position in the storage position.
  • a deployment restricting unit that projects in the direction opposite to the projection direction of the interference member to regulate the movement of the adjacent interference member is provided, and the deployment restriction unit is a leg portion when the second stopper is in the retracted position. It is also preferable that it is stored within the horizontal range of.
  • the moving bleachers can be set to the normal use position and at least one of the multiple floor stands by a simple operation of switching the protrusion and storage of the interference member of the stopper provided on the leg. It can be expanded to a shortened use position where the portions are aligned in the vertical direction and the length in the front-rear direction is shortened.
  • (A) is a side view in a storage position
  • (B) is a side view in a shortened use position
  • (C) is a side view in a normal use position.
  • FIG. 1 It is a figure which shows the connecting chair installed on each floor stand of the moving bleachers, (A) is a plan view, (B) is a front view, (C) is a side view.
  • A) is a plan view of the legs connected to the second floor stand of the set of floor stands aligned vertically at the shortened use position of the same moving bleachers, (B) is the same front view, and (C) is the same front view. It is the left side view of the same.
  • (A) is a plan view of the legs connected to the first floor pedestal of the set of floor pedestals aligned vertically at the shortened use position of the moving bleachers, (B) is the same front view, and (C) is the same left. It is a side view.
  • FIG. 1 It is a perspective view of the stopper provided as the second stopper on the leg of the moving bleachers.
  • (A) is a perspective view seen from the left in the retracted state of the second stopper main body provided as a second stopper on the left leg of the moving bleachers, and (B) is a perspective view seen from the same right. be.
  • (A) is a perspective view seen from the left in a state where the regulation bar is released in the retracted state of the second stopper main body
  • (B) is a perspective view seen from the right.
  • (A) is a perspective view seen from the left in a state where the regulation bar is released in the deployed state of the second stopper main body
  • (B) is a perspective view seen from the right.
  • (A) is a perspective view of the deployed state of the second stopper body as viewed from the left
  • (B) is a perspective view of the second stopper body as viewed from the right.
  • It is a top view explaining the protruding state of the 2nd stopper main body in the storage position of the moving bleachers.
  • It is a perspective view explaining the details of the operation of a leg part when the moving bleachers are expanded from a storage position to a normal use position.
  • FIG. 1 It is a top view schematically explaining the operation of the whole left leg part of the same unfolding operation.
  • (A) and (B) are side views of the moving bleachers at the shortened use position where the deployed state is changed. It is a figure explaining the attachment structure of the 2nd stopper of the moving bleachers which concerns on 1st modification of this embodiment, (A) is the 2nd attached to the leg part connected to the 1st floor stand. The left side view showing the stopper body, (B) is the left side view showing the stopper pad attached to the leg connected to the second floor, and (C) is the plane showing the protruding state of the second stopper body. It is a figure.
  • (A) is a perspective view showing a retracted state of the second stopper body according to still another modification of the present embodiment
  • (B) is a perspective view showing the same protruding state. It is a figure explaining the structure and operation of the 2nd stopper which concerns on the said modification. It is a figure explaining the structure and operation of the 2nd stopper which concerns on the said modification.
  • the front of the moving bleachers 100 means the direction in which the multi-tiered floor pedestals 10 developed in the stairs of the moving bleachers are lowered in order, and “rear” means the direction in which they are raised in order.
  • “Left direction” means the left side when facing forward, and “right direction” means the same right side.
  • the front is indicated by F
  • the rear is indicated by B
  • the left is indicated by L
  • the right is indicated by R
  • the upper portion is indicated by U
  • the lower portion is indicated by D arrows.
  • the lowest tier is referred to as the first tier floor pedestal 10
  • the floor pedestal 10 is counted as the second tier floor pedestal 10, the third tier floor pedestal 10, and so on in ascending order.
  • the mobile bleachers 100 according to the present embodiment are installed on the floor Fl of an indoor stadium, various halls, theaters, etc. and are used as spectator seats.
  • the moving bleachers 100 are, as a general rule, a plurality of floor pedestals 10 and a connecting chair 20 in which a plurality of chairs 21 arranged on each floor pedestal 10 are connected side by side.
  • Each floor stand 10 is supported so as to be movable in the front-rear direction in a horizontal state, and a leg portion 30 that engages and interlocks the floor stands 10 with each other and a fixing portion 40 for fixing to an installation position such as in a wall surface or the like. And prepare.
  • the number of floor pedestals 10, the number of connecting chairs 20 arranged on the one-tiered floor pedestal, and the number of chairs 21 included in one connecting chair 20 can be changed as necessary regardless of the example shown in the figure. ..
  • each floor stand 10 has a penetrating material 11 extending horizontally in the left-right direction of the moving viewing seat 100, and a rear end portion is supported on the lower surface of the penetrating material 11 so as to be in front of the penetrating material 11. It is provided with a floor material 12 extending horizontally in the horizontal direction and two pairs of vertical beams 16 arranged horizontally at intervals of the floor stand 10 and extending horizontally in the forward direction from the lower end portion of the penetrating material 11. .
  • the connecting chair 20 is such that a plurality of chairs 21 are supported by the base 24 so as to be able to be laid down via the connecting pipe 22 and the leg member 23. Further, as shown in FIGS. 4B and 4C, the chair 21 is a sitting upright chair configured so that the seating surface 21a stands upright.
  • the connecting chair 20 is driven by a chair tilting device (not shown) driven by a motor, and can swing between an upright use state and a forward tilted stowed state shown by a broken line in FIG. 4 (C). It has become.
  • the leg portion 30 includes a pair of left and right columns 31 and a pair of left and right bases 32 connected to the lower end of the columns 31.
  • the strut 31 is coupled to the back surface of the penetrating material 11 and extends vertically downward.
  • the base 32 has a pillar shape having substantially the same width as the pillar 31, and the pillar 31 is fixed to the intermediate portion thereof and extends in the front-rear direction of the moving bleachers 100.
  • the columns 31 and the base 32 are not limited to one pair, and a plurality of pairs may be provided according to the dimensions of the moving bleachers 100 in the left-right direction.
  • the structure of the base 32 will be described later.
  • the leg portion 30 includes a brace 36 extending diagonally from the vicinity of the base end portion of the support column 31 in each base 32 toward the inside of the penetrating material 11 and the moving bleachers 100.
  • the brace 36 is paired with the support column 31. Further, the upper end of the brace 36 is connected to the back surface of the penetrating material 11. In this way, the leg portion 30 supports the floor base 10 in a cantilevered manner.
  • the strut 31 is longer by a step toward the rear from the strut 31 connected to the first floor base 10. Further, the lateral distance between the struts 31 of each pair is gradually narrowed from that connected to the floor base 10 on the uppermost stage.
  • the columns 31 connected to the vertically adjacent floor stands 10 are arranged in parallel in the horizontal direction. As a result, the distance between the bases 32 of each pair coupled to the respective columns 31 is also gradually narrowed in order from the one at the top.
  • the fixing portion 40 includes a fixing member 44 extending along the base 32 and a fixing support column 43 extending downward at the rear end of the fixing member 44. And, it is fixed to the fixed column 43 above the fixed column 43, and is supported on the uppermost floor stand 10 via the fixed beam 42 extending in the front-rear direction in parallel with the fixing member 44 and the fixed column 43. It includes a top floor stand 41 without chairs and a back wall 45 erected at the rear end of the top floor base 41 without chairs.
  • the storage space S of the moving bleachers 100 is defined by the fixed columns 43, the fixing members 44, and the top floor stand 41. Further, a first stopper 34 provided on the base 32, which will be described later, is attached to the front end of the fixing member 44 in the same manner as the attachment form to the base 32 shown in FIGS. 5 and 6.
  • the moving bleachers 100 are located in the storage positions shown in FIGS. 1 (A) and 2 (A) and the shortened use positions shown in FIGS. 1 (B) and 2 (B), or in FIGS. 1 (C) and 2 (C). It is possible to selectively set between the indicated normal use position.
  • the plurality of floor stands 10 constituting the moving bleachers 100 are arranged vertically as a whole.
  • the plurality of floor stands 10 are deployed one step at a time in a staircase pattern.
  • a part of the multi-tiered floor pedestal 10 is a set of floor pedestals arranged vertically, and is developed in a staircase shape as a whole.
  • the floor stands 10 adjacent to the top and bottom of the second and subsequent steps are arranged vertically in pairs, such as the second step, the third step, the fourth step, the fifth step, and so on.
  • each set of floor stands 10 is developed in a staircase shape as a whole.
  • the mobile bleachers 100 are provided with a floor stand drive device (not shown) on the floor surface Fl of the storage space S.
  • the floor pedestal drive device drives the drum in forward and reverse rotations by a motor with a brake, and a strip-shaped chain having wheels on each connecting piece wound on the drum is unwound by the forward rotation of the drum, while the reverse of the drum. It functions to wind the band-shaped chain onto the drum by rotation.
  • the floor pedestal drive device moves the first-stage floor pedestal 10 in the front-rear direction by unwinding and winding the strip-shaped chain.
  • the entire multi-stage floor pedestal 10 that is directly or indirectly engaged with the first-stage floor pedestal 10 and its legs 30 can be moved in the front-rear direction.
  • the structure of the pair of left and right bases 32 connected to the pair of left and right columns 31 is symmetrical as shown in FIG.
  • the base 32 on the L side will be described, and the description of the base 32 on the R side will be omitted.
  • the base 32 is one of the base 32 1 connected to the first-stage floor base (hereinafter referred to as “first-stage base”) 32 1 and the two floor bases 10 that form a set that is vertically aligned at the shortened use position.
  • a base hereinafter referred to as “lower base”
  • 32 l connected to the lower floor base 10 which is the second floor base
  • the upper floor base which is the first floor base.
  • the configuration is different from that of the base (hereinafter referred to as “upper base”) 32 u coupled to 10.
  • the bases 32 l and 32 u generally have a U-shaped cross section that opens downward, and are made of a long steel material that extends in the front-rear direction.
  • a plurality of traveling rollers 33 are attached in series to the opening. As a result, the legs 30 can move in the front-rear direction while being horizontally supported by the floor base 10.
  • a stopper mounting hole (not shown) is provided on the upper surface of the front end of the bases 32 l and 32 u , and a plate-shaped first stopper 34 is screwed.
  • the first stopper 34 is attached so as to project in the R direction from the bases 32 l and 32 u .
  • the protruding portion 34a is slightly narrower than the mounting portion 34b attached to the bases 32 l and 32 u .
  • the first stopper 34 is bent in the middle in the left-right direction so that the protruding portion 34a is located above the mounting portion 34b.
  • an engaging member 35 having a downward claw 35a at the front end and a lever-shaped release portion 35b is provided in FIGS. 5 (C) and 6 As shown by the double-headed arrow in (C), it is provided so as to be swingable in the vertical direction around the rotating shaft 35c.
  • a stopper pad 51 is provided as a second stopper 50 on the upper surface of the rear end portion of the base 32 l in the lower stage.
  • the stopper pad 51 extends upward from the upper surface of the rear end portion of the base 32 l , and is a mounting portion 52 made of channel steel having a U-shaped cross section that opens rearward. And a contact portion 53 projecting forward from the front surface of the mounting portion 52.
  • the mounting portion 52 is mounted on the base 32 by appropriate means such as welding and screwing.
  • the width of the mounting portion 52 in the left-right direction is slightly narrower than the width of the base 32 in the left-right direction.
  • the contact portion 53 is composed of a bolt having a thread formed on the shaft portion 53a thereof, and has an adjusting nut 53c and a washer (not shown) in a mounting hole (not shown) provided on the front surface of the mounting portion 52. It is attached using.
  • the head of the bolt is a contact surface 53b that comes into contact with the interference member 56 described later. As a result, the amount of protrusion of the contact surface 53b from the mounting portion 52 in the front-rear direction can be adjusted.
  • the contact portion 53 does not necessarily have to have an adjustable protrusion amount of the contact surface 53b, and the contact surface 53b may simply protrude by a predetermined distance. Further, it may have another shape regardless of the bolt shape.
  • stopper main body 54 is provided as a second stopper 50 on the upper surface of the rear end portion of the base 32 u in the upper stage.
  • FIGS. 8 to 11 are enlarged views of the stopper main body 54. 8 to 11 are views, (A) is a perspective view seen from the L direction, and (B) is a perspective view seen from the R direction. Further, FIGS. 8 and 9 show the retracted state of the stopper main body 54. FIG. 9 shows a state in which the regulation bar 59c is released at the same time. Further, FIGS. 10 and 11 show the protruding state of the stopper main body 54. FIG. 10 shows a state in which the regulation bar 59c is released at the same time.
  • the stopper main body 54 is formed from a main body mounting portion 55 having the same shape as the mounting portion 52 of the stopper pad 51, a long hollow cylindrical interference member 56 extending from the front surface of the main body mounting portion 55, and the main body mounting portion 55.
  • An upper side wall 57 and a lower side wall 58 extending above and below the interference member 56 toward the front are provided.
  • the interference member 56, the upper side wall 57, and the lower side wall 58 are arranged so that their L side surfaces are flush with the L side surface of the main body mounting portion 55.
  • angle-shaped ribs 57d and 57e having the same width as the main body mounting portion 55 are provided so that one surface of each is along the lower side of the upper side wall 57. Further, the other surfaces of the ribs 57d and 57e are arranged so as to face each other.
  • a substantially rectangular rib 58b having the same width as the main body mounting portion 55 is arranged along the upper side of the lower side wall 58.
  • a shaft hole 57f is formed in the vicinity of the main body mounting portion 55 of the rib 57d.
  • a shaft hole (not shown) is also formed on a surface facing the shaft hole 57f of the rib 58b in the vertical direction.
  • the interference member 56 also has a shaft hole (not shown) formed at a position corresponding to the shaft hole 57f of the rib 57d and the shaft hole (not shown) of the rib 58b.
  • a rotating shaft 62 is attached to these shaft holes.
  • the interference member 56 rotates around a rotation shaft 62 extending in the vertical direction with respect to the upper and lower side walls 57 and 58, and can move between the storage position of FIG. 8 and the protrusion position of FIG. There is.
  • the stopper main body 54 has a columnar shaft portion 59b extending in the front-rear direction, a columnar handle 59a attached to the front end of the shaft portion 59b at right angles to the shaft portion 59b, and a rear end of the shaft portion 59b.
  • a regulation unit 59 having a columnar regulation bar 59c mounted in parallel with the handle is provided in the vicinity thereof.
  • Shaft holes 57g and 57h are formed on the facing surfaces of the ribs 57d and 57e, respectively.
  • the shaft portion 59b of the regulation portion 59 penetrates the shaft holes 57g and 57h, and the entire regulation portion 59 is rotatably fixed around the axis of the shaft portion 59b. It is possible to move between the release positions shown by the solid lines on 9 and 10.
  • the shaft portion 59b is provided with a rectangular flange 59d in front of the rib 57e.
  • a torsion coil spring 61 is attached around the shaft portion 59b between the flange 59d and the rib 57e. Both ends of the torsion coil spring 61 are fixed to the rib 57e and the flange 59d, and the handle 59a and the regulation bar 59c are urged in the direction indicated by the white arrow in FIG.
  • the regulation bar 59c is always held at the regulation positions shown in FIGS. 8 and 11. Further, as shown by the arrow in FIG. 9, the regulation bar 59c is positioned at the release position shown by the solid line in FIGS. 9 and 10 only when the handle 59a is lifted as shown by the arrow in FIG.
  • the interference member 56 when the interference member 56 is in the storage position shown in FIG. 8, it is restricted from rotating in the R direction of the interference member 56 and trying to protrude. Further, when the interference member 56 is in the protruding position in FIG. 11, it is restricted that the interference member 56 rotates in the L direction and tries to be stored.
  • the base 32 of the legs 30 of the vertically adjacent floor pedestals 10 is adjacent to the left and right storage positions.
  • the interference member 56 when the interference member 56 is in the protruding state, as shown in FIG. 12, the stopper contact 51 of the base 32 l in the lower stage and the interference member 56 of the stopper body 54 of the base 32 u in the upper stage come into contact with each other. It becomes a state.
  • the base 32 1 coupled to the first stage floor base does not include the engaging member 35 and the first stopper 34. Further, in the illustrated example, the first-stage floor base does not include the second stopper 50.
  • the moving bleachers 100 can be selectively set to a normal use position mode that expands to a normal use position and a shortened use position mode that expands to a shortened use position.
  • Normal use position mode The operation in the normal use position mode will be described with reference to FIGS. 13 and 14.
  • all the stopper bodies 54 are in the retracted state.
  • the connecting chair 20 is in a stored state in which it is tilted forward.
  • the support column 31 of the first-stage base 32 1 engages with the second-stage base 32 l to determine a predetermined value. It moves forward in conjunction with the length deviation.
  • the base 32 u of the third stage moves forward in conjunction with the base 32 l of the second stage in a state of being deviated by a predetermined length. Further forward, as shown in FIG. 13 (E), the second-stage support column 31 pushes the first stopper 34 of the third-stage base 32 u , and the third-stage base 32 u is in the first and second stages. Start moving forward in conjunction with the eye bases 32 1 and 32 l .
  • the first stopper 34 advances while sequentially engaging with the support column 31 of the base 32 one step above, the first stopper 34 is displaced by a predetermined length from the step below one step, as shown in FIG. 14 (B).
  • the first-stage base 32 1 moves forward until the support column 31 of the uppermost-stage base 32 u engages with the first stopper 34 at the front end of the fixing member 44.
  • the connecting chair 20 is erected.
  • the moving bleachers 100 are arranged at the normal use positions shown in FIG. 1 (C), in which the floor pedestals 10 are displaced by one step and are expanded in a staircase shape as a whole.
  • the connecting chair 20 on each floor stand 10 is tilted forward to be in the stored state.
  • the first-stage base 32 1 is aligned with the second-stage base 32 l in the left-right direction.
  • the penetrating material 11 extending horizontally in the left-right direction of the first-stage floor base 10 pushes the disengagement portion 35b of the engagement member 35 at the lower end of the support column 31 of the second-stage floor base 10 backward to engage.
  • the member 35 is swung upward to disengage the engagement member 35 from the first stopper 34 at the front end of the third-stage base 32 u .
  • the lumber 11 further pushes the support column 31, whereby the first-stage floor base 10 and the second-stage floor base 10 are integrally retracted.
  • the penetrating material 11 of the first-stage floor base 11 Pushes the disengagement portion 35b of the engagement member 35 of the third stage floor base 10. Then, the engaging member 35 is swung to release the engagement of the fourth stage base 32 l with the first stopper 34, and the support column 31 is pushed. As a result, the third-stage floor pedestal 10 retracts integrally with the first-stage floor pedestal 10 and the second-stage floor pedestal 10 in a vertically aligned state.
  • FIG. 1 (A) when the base 32 of each stage retracts while sequentially disengaging the engaging member 35 from the first stopper 34 of the base 32 one stage above, the plurality of stages shown in FIG. 1 (A) are shown.
  • the base 32 of the floor base 10 is arranged in a storage position where the base 32 of the floor base 10 is aligned with each other in the left-right direction and also aligned with the fixing member 44.
  • the support column 31 of the first-stage base 32 1 pushes the first stopper 34 of the second-stage base 32 l and moves forward in a state of being deviated by a predetermined length. ..
  • the interference member 56 of the third-stage base 32 u interferes with the advance of the stopper 51 of the second-stage base 32 l , and the second-stage base 32 l and the third-stage base 32 u interfere with each other. With the left and right aligned, move forward in an integrated manner.
  • the first stopper 34 of the fourth-stage base 32 l engages with the third-stage base 32 u as in FIG. 13 (D) due to the forward movement.
  • the member 35 is swung upward so as to come into contact with the support column 31 of the base 32u of the third stage, and engage with the claw 35a of the engaging member 35.
  • the columns 31 of the uppermost base 32 u are displaced by a predetermined length as a set, until the columns 31 of the uppermost base 32 u engage with the first stopper 34 at the front end of the fixing member 44.
  • the first stage base 32 1 moves forward. After that, the connecting chair 20 of the floor base 10 on the uppermost stage (upper stage) of each group is erected.
  • the moving bleachers 100 are arranged at the shortened use position shown in FIG. 1 (B), in which the floor stands 10 form a set of two steps and are arranged in the vertical direction while being developed in a staircase shape as a whole. Will be done.
  • the connecting chair 20 on each floor stand 10 is tilted forward to put it in the storage state. After that, the first-stage base 32 1 moves backward and aligns with the second-stage base 32l and the third-stage base 32 u in the left-right direction.
  • the first-stage penetrating material 11 pushes the disengagement portion 35b of the engaging member 35 provided on the third-stage column 31 backward to raise the engaging member 35.
  • the engagement with the first stopper 34 at the front end of the base 32l of the fourth-stage floor base 10 is released, and the support column 31 is pushed, thereby causing the first to fifth-stage floor bases. 10 moves backward together.
  • the floor base 10 of each stage moves backward while sequentially disengaging the first stopper 34 provided for each of the two stages, as shown in FIGS. 1 (A) and 15 (A).
  • the bases 32 of the plurality of floor bases 10 are arranged in a storage position where they are aligned with each other in the left-right direction and also aligned with the fixing member 44.
  • the first stopper that engages with the support column 31 of the floor pedestal one step below the leg portion 30 that is connected to the floor pedestal of the second and subsequent steps, and 2
  • the floor pedestals of each step are paired, and each pair is provided with a second stopper 50 for interlocking and moving the legs 30 of the floor pedestal 10.
  • the second stopper 50 is provided with a stopper pad 51 having a contact portion 53 and a stopper main body 54 having an interference member 56 that interferes with the contact portion during forward movement and interlocks the leg portion 30. 56 is configured to be protruding / retractable.
  • the normal use position and the shortened use can be achieved by a simple operation of switching the protrusion / storage of the interference member 56 of the second stopper body.
  • the second stopper 50 is composed of a stopper main body 54 and a stopper pad 51.
  • the stopper for deploying to the shortened use position needs to be provided at the position corresponding to the support column because it engages with the support column.
  • the stopper main body is provided.
  • the 54 and the stopper pad 51 can be attached to the desired positions on the legs.
  • the second stopper 50 particularly the stopper body 54
  • the operator can move the stopper body 54 from the storage position in the storage position of the moving bleachers 100. Workability is improved because the switching work of switching to the protruding position or vice versa can be performed with a sufficient space.
  • the protrusion amount of the contact surface 53b of the stopper pad 51 when the protrusion amount of the contact surface 53b of the stopper pad 51 can be adjusted, interference affected by the finish of the building floor when the moving bleachers 100 are operated in the shortened use position mode. It is possible to adjust the contact with the member 56, and it is possible to prevent an impact and an abnormal noise during operation. If the contact portion 53 is composed of bolts as in the above example, it is particularly easy to adjust the protrusion amount of the contact surface 53b.
  • the second stopper main body 54 is provided with a regulation unit 59 that regulates the movement of the interference member 56 from the storage position to the protrusion position and the movement from the protrusion position to the storage position. This makes it possible to prevent the interference member 56 from unintentionally moving between the protruding position and the storage position.
  • the regulation bar 59c of the regulation unit 59 is configured to be urged by a torsion coil spring 61 which is an elastic member in a direction of holding the interference member 56 to the storage position.
  • the expanded state of the shortened use position is not limited to this, and as shown in FIGS. It can also be changed to expand in a staircase pattern.
  • the stopper main body 54 of the leg portion 30 connected to the 9th and 11th tiers of the floor pedestal 10 is in a protruding state
  • the third leg portion 30 connected to the 3rd, 5th and 7th tiers of the floor pedestal 10 is in a protruding state.
  • the stopper main body 54 of the leg portion 30 connected to the floor base 10 of the third, fifth and seventh stages is in a protruding state, and the stopper main body 54 of the leg portion 30 connected to the floor base 10 of the ninth and eleventh stages is brought into a protruding state.
  • the moving bleachers 100A according to the first modification are deployed in a staircase shape as a whole in a set in which the floor pedestals 10 are arranged in two steps in the vertical direction at the shortened use position. ..
  • the stopper body 54B of the second stopper 50B is attached to the base 32l in the lower stage in the opposite direction to that of the above embodiment.
  • stopper pads 51 are attached to the base 32 u in the upper stage so as to be reversed in the front-rear direction from the above-described embodiment. Therefore, in the first modification, the lower floor pedestal 10 is the first floor pedestal, and the upper tier floor pedestal 10 is the second floor pedestal.
  • the interference member 56 of the stopper main body 54 is in a protruding state and comes into contact with the stopper 51 of the base of the upper stage adjacent to the L side. Therefore, as in the embodiment, when the base of the lower stage moves forward, it interferes with the base of the upper stage and moves forward in conjunction with it. When the base of the lower tier moves forward, if it interferes with the base of the upper tier and the legs of the lower tier are interlocked with the legs of the upper tier, the stopper main body 54 And, regardless of whether the stopper pad 51 is attached to the base of the Ueno step or the base of the lower step, the same effect as that of the embodiment can be obtained.
  • the moving bleachers 100B according to the second modification also have a staircase shape as a whole in the shortened use position, in which the floor pedestals 10 are arranged vertically in two steps, as in FIG. 1 (B). Be expanded.
  • the stopper body 54B which is the second stopper 50B, is the same as the modification 1 in the leg portion 30 connected to the floor base of the lower stage, which is the first floor base. It is installed in the orientation.
  • a stopper pad 51B which is a second stopper, is attached to the rear surface of the support column 31 on the leg portion 30 connected to the floor base 10 on the upper stage.
  • the stopper pad 51B is not provided with a mounting portion, and a contact portion 53 composed of bolts and nuts is directly mounted on the support column as in the above embodiment.
  • the moving bleachers 100B are placed on the interference member 56 of the stopper body 54B in the lower stage according to the forward movement of the base 321 in the first stage in the shortened use position mode.
  • the step stoppers 51B interfere with each other, and are deployed to the shortened use position in a state of being displaced by a predetermined length every two steps as in the case of the moving bleachers in the embodiment.
  • the attachment position of the second stopper on the leg portion 30 is not limited to the base 32 as long as it is behind the support column 31, and may be attached to the support column. Also in this modification, the legs 30 connected to the set of the floor bases aligned vertically due to the interference between the stopper pad 51B and the stopper main body 54B are integrally linked with the forward movement of the base 32 1 of the first stage. And can be expanded to the shortened use position.
  • the stopper main body 54C in the second stopper 50C is configured to be longer in the front-rear direction than the stopper main body 54C, and the amount of protrusion at the protruding position is large. It has become.
  • the protrusion amount of the interference member 56 according to the embodiment is a length corresponding to the width in the left-right direction of the base 32, the protrusion amount of the interference member 56 is configured to be about twice that length. ing.
  • the first of one set is composed of three steps adjacent to each other, such as the 2nd to 4th steps, the 5th to 7th steps, and so on.
  • the stopper main body 54D is attached to the base 32 l of the lowermost floor base, which is the second floor base, and the stopper is applied to the base 32 u2, 32 u1 of the upper two floor base, which is the second floor base. It is provided in the same direction.
  • the interference member 56C of the stopper main body 54C can move between the storage position shown by the chain line and the protruding position shown by the solid line in FIG. 21 (A) in the direction of the double-headed arrow as in the stopper main body 54.
  • each floor stand 10 in the moving bleachers 100C, in the normal use position mode, as in the case of the moving bleachers 100, each floor stand 10 is displaced by one step and unfolds in a staircase shape as a whole.
  • the bases 32 l, 32 u2, 32 u1 of the upper and lower three-tiered floor bases 10 among the floor bases 10 forming the set are aligned in the left-right direction. As they move forward in an integrated manner, each set is unfolded by shifting it by a predetermined length in the front-rear direction.
  • the floor stands 10 are arranged in three steps in the vertical direction, and the floor stands 10 are expanded in a staircase shape as a whole.
  • the second stopper 50C of this modification may be arranged in the same direction as that of the embodiment.
  • the stopper main body 54C is attached to the base of the uppermost floor base 10 among the three-stage floor bases that form a set that is vertically aligned at the shortened use position.
  • the stopper pad 51 is attached to the base of the lower two-stage floor base 10.
  • the stopper contact 51 of the bottom base interferes with the stopper body 54C of the top base, and the top and bottom bases align and move forward. try to.
  • the uppermost column 30 pushes the lower two-tiered penetrating material 11 and tries to move forward.
  • the bases of the upper and lower three-tiered floor bases 10 are aligned in the left-right direction and move forward integrally, and each set is deployed by shifting by a predetermined length in the front-rear direction.
  • the stopper main body 54D of the second stopper 50D has substantially the same structure as the stopper main body 54.
  • the interference member 56D has a deployment restricting portion 56Dd that protrudes in the direction opposite to the protruding direction (R direction) (L direction) at the protruding position at the storage position. It differs in that it is prepared.
  • the deployment control unit 56Dd has a trapezoidal columnar shape that opens rearward at the storage position.
  • the deployment restricting unit 56Dd has a range of the lateral width of the upper and lower side walls 57 and 58, that is, the horizontal width of the base 32 when the interference member 56D is in the protruding position. It is stored in.
  • the moving bleachers 100D are set so that the floor stands of the second and subsequent stages are all arranged in pairs in two stages and arranged in the vertical direction as a shortened use position mode. ..
  • FIG. 23A is an enlarged plan view of the vicinity of the rear end of the base 32 of the moving bleachers 100D when the moving bleachers 100D are in the storage position.
  • the stopper main body 54D is arranged from right (R) to left (L) from the lower stage to the upper stage, as in the case of the moving bleachers 100 according to the embodiment.
  • a normal use position mode is set in which all the stopper main bodies 54D are in the retracted state.
  • the operation of the stopper main body 54D for switching from the normal use position mode to the shortened use position mode in which each stopper main body 54D is in a protruding state is regulated by the deployment restricting unit 56Dd.
  • the interference member 56D adjacent to the right side that is, the lower side
  • the interference member 56D on the L side moves from the retracted position to the protruding position without any obstacle. Can be moved.
  • the interference member 56D adjacent to the R side that is, the lower side
  • the protruding portion 56Ga of the interference member 56D on the L side is the interference member 56D on the R side. It cannot move to the protruding position because it interferes with the expansion restricting unit 56Dd.
  • the interference member 56D In order to switch from the normal use position mode to the shortened use position mode, the interference member 56D must be in the protruding position in all the stopper main bodies 54D. Therefore, in this modification, the operations must be performed in order from the R side (that is, the lower side) to the L side (that is, the upper side).
  • FIG. 24A is also an enlarged plan view of the vicinity of the rear end of the base 32 when the moving bleachers 100D are in the stowed position, but all with the (complete) shortened use position mode set.
  • the stopper body 54G is in a protruding state.
  • the operation of the stopper main body 54D for switching from the shortened use position mode to the normal use position mode is also regulated by the deployment restricting unit 56Dd.
  • the interference member 56D adjacent to the L side when the interference member 56D adjacent to the L side (lower stage side) is in the storage position, the interference member 56D on the L side moves from the protruding position to the storage position without any obstacle. Can be moved.
  • the expansion restricting portion 56Dd of the interference member 56D on the R side is the interference member 56D on the L side. Cannot move to the storage position due to interference with the expansion control unit 56Dd.
  • the interference member 56D In order to switch from the shortened use position mode to the normal use position mode, the interference member 56D must be in the protruding position in all the stopper main bodies 54D. Therefore, in this modification, it is necessary to perform operations in order from the L side (lower stage side) to the R side (upper stage side). When the interference member 56D of the uppermost stopper body 54D is in the protruding position, all the interference members 56D are in the protruding position.
  • the stopper body 54D of the third stage base is turned on by moving the interference member 56D to the storage position and turned off by moving to the protruding position.
  • the first limit switch LS 1 is attached.
  • a second limit switch LS 2 that is turned off by moving the interference member 56D to the storage position and turned on by moving to the protruding position is attached to the stopper main body 54D attached to the uppermost base. ing.
  • the interference member 56D is provided with the expansion restricting portion 56Dd that projects in the direction opposite to the protrusion direction and regulates the operation of the adjacent interference member 56D, all the stopper main bodies 54D are put into the protruding state or the retracted state. In addition, it is necessary to perform the operations in a predetermined order. Therefore, the operator always operates in a predetermined order, and erroneous operation can be prevented.
  • the moving bleachers are different from the set of floor pedestals coupled to the legs with a second stopper for vertically aligning the two-tiered bleachers in the shortened use position.
  • a set of floor pedestals connected to a leg provided with a second stopper for vertically arranging a set of floor pedestals having a number of steps (for example, 3 steps) may be combined to form one moving bleachers. ..

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
PCT/JP2020/035253 2020-09-17 2020-09-17 移動観覧席 Ceased WO2022059131A1 (ja)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12571225B2 (en) * 2021-09-03 2026-03-10 Kotobuki Seating Co., Ltd. Movable stands

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102925462B1 (ko) * 2025-06-02 2026-02-09 최현식 슬라이드형 수납식 관람석

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6254153U (https=) * 1985-09-25 1987-04-03
JPS62126454U (https=) * 1986-01-31 1987-08-11
JPH0321775A (ja) * 1989-06-19 1991-01-30 Kotobuki:Kk 段差移動床集合体における個別床のフリーロケーションシステム
JP2012254111A (ja) * 2011-06-07 2012-12-27 Aichi Kk 椅子の起倒装置
WO2015181871A1 (ja) * 2014-05-26 2015-12-03 コトブキシーティング株式会社 移動観覧席

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6254153U (https=) * 1985-09-25 1987-04-03
JPS62126454U (https=) * 1986-01-31 1987-08-11
JPH0321775A (ja) * 1989-06-19 1991-01-30 Kotobuki:Kk 段差移動床集合体における個別床のフリーロケーションシステム
JP2012254111A (ja) * 2011-06-07 2012-12-27 Aichi Kk 椅子の起倒装置
WO2015181871A1 (ja) * 2014-05-26 2015-12-03 コトブキシーティング株式会社 移動観覧席

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12571225B2 (en) * 2021-09-03 2026-03-10 Kotobuki Seating Co., Ltd. Movable stands

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