EP0430931B1 - Bodenverriegelungsvorrichtung für eine Reihe einer teleskopischen Sitzvorrichtung - Google Patents

Bodenverriegelungsvorrichtung für eine Reihe einer teleskopischen Sitzvorrichtung Download PDF

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Publication number
EP0430931B1
EP0430931B1 EP91400412A EP91400412A EP0430931B1 EP 0430931 B1 EP0430931 B1 EP 0430931B1 EP 91400412 A EP91400412 A EP 91400412A EP 91400412 A EP91400412 A EP 91400412A EP 0430931 B1 EP0430931 B1 EP 0430931B1
Authority
EP
European Patent Office
Prior art keywords
supporting
row
floor
stopper
truck
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.)
Expired - Lifetime
Application number
EP91400412A
Other languages
English (en)
French (fr)
Other versions
EP0430931A2 (de
EP0430931A3 (en
Inventor
Takayasu Mitsumoto
Tsuneo Shimomura
Junnosuke Sato
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.)
Okamura Corp
Original Assignee
Okamura Corp
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
Priority claimed from JP4106388U external-priority patent/JPH0748895Y2/ja
Priority claimed from JP4183088U external-priority patent/JPH0427966Y2/ja
Application filed by Okamura Corp filed Critical Okamura Corp
Publication of EP0430931A2 publication Critical patent/EP0430931A2/de
Publication of EP0430931A3 publication Critical patent/EP0430931A3/en
Application granted granted Critical
Publication of EP0430931B1 publication Critical patent/EP0430931B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04H3/123—Telescopic grandstands

Definitions

  • This invention relates to a row floor-locking device for a telescoping seating system having a plurality of row floors adapted to be extended or retracted like a nest of boxes.
  • a telescoping seating system having a plurality of row floors adapted to be retracted and received below the next higher row floor when not in use like a nest of boxes, and extended forward and disposed in a stepped relation when in use, the seatings on each of the row floors being simultaneously stood up from their collapsed states to complete the seatings.
  • a row floor-locking device in which each of row floors can be moved independently from each other and extended one by one from a lowest row floor is also disclosed for example in Japanese Utility Model Laid-Open Publication No 58-181759 and Japanese Patent Laid-Open Publication No 62-82176.
  • US-3.157.916 disclosures a device in which the row floors, except the innerest and the outerest, have automatic locking and trip means.
  • the innerest floor comprises a bar which will be engaged by a locking finger mounted on the next floor, each inner floor have such a bar engaged by a locking finger of its neighbour.
  • This device presents the disadvantage that when one pull the floors to have the device in its extended position, all the floors can move at the same time.
  • the object of the invention is to furnish a device in which only a floor can move at one time, each time the innerest of the floors which are not in their extended position.
  • a row floor-locking device for a telescoping seating system having a plurality of oblong row floors both sides of which are movably supported through poles on a supporting truck so as to be moved back forward, said plurality of oblong row floors being capable of being extended forward and disposed in a stepped relation when in use, as well as of being retracted and received below the next higher row floor when not in use, said device comprising a front stopper having a free end extended inwardly over a neighboring supporting truck is attached to the forward end portion of each of the supporting trucks except the innermost supporting truck and a rear stopper pivotally mounted by its proximate portion on said shaft, said rear stopper being adapted to engage with the front edge of the front stopper as said rear stopper is moved forward beyond the front stopper and caused to swing downward due to its own weight, characterized in that a rotatable plate is pivotally attached by its rear end to a portion of each supporting truck except the innermost and outer
  • a telescoping seating system utilizing a device of this invention, since the rotatable plate is mounted on the forward end portion of a supporting truck in such a manner as to collide with the front stopper mounted on a next outer row floor neighboring thereto, only the innermost row floor is permitted to move forward at first and any other row floors cannot move forward even if a forward-moving force is effected by an actuating means to every row floor.
  • the pressing member mounted on shaft fixed to a supporting pole of the innermost row floor pushes down the rotatable plate mounted on the next outer row floor to such an extent that the rotatable plate is disposed below the free end of the front stopper, thereby setting the next higher row floor free to move.
  • the rear stopper mounted on supporting pole of the innermost row floor is caused to swing down due to its own weight to be engaged with the front edge of the front stopper of the next higher row floor, thus allowing both of these row floors to move forward en bloc.
  • Each of the row floors is moved forward in the same manner as explained above, thereby finally forming a step-like seating structure.
  • Figs 1 to 3 show the left side portion of a telescoping seating system 55 comprising four row floors 51, 52, 53 and 54, the height thereof being increased in this order.
  • the right side portion of the telescoping seating system 55 is symmetrical with the left side portion, only the left side portion is shown in the drawings.
  • Each of the row floors 51, 52, 53, 54 comprises a pair of supporting trucks 56 disposed at the left side and the right side thereof, the size and shape of the supporting trucks being the same in all.
  • supporting poles 57 which are different in height are set up at the rear portions of these supporting trucks, i.e. the more outwardly the supporting truck is disposed, the higher the supporting poles are set up.
  • On the front surfaces of these poles are attached respectively a horizontal arm 58 extending forward.
  • a floor plate 59 is secured between these arms 58.
  • the supporting truck 56 supporting the outermost row floor 54 is fastened on the floor 60.
  • Other supporting trucks 56 are adapted to move back and forth on the floor surface 60 by means of wheels 61.
  • On the side walls located both forward and rear end portions of the supporting truck 66 are mounted guiding rollers 62 via bearing members 62a thereby keeping constant the spaces between adjacent supporting trucks 56.
  • collapsible seatings are set up on each of the row floor 59, and any known moving means is also provided in the telescoping seating system.
  • each of the row floor 51, 52 and 53 can be received like a nest of boxes below the highest row floor 54.
  • each of the row floors 51, 52 and 54 can be extended forward to form a step-shaped structure.
  • a rotating plate 64 comprising a top plate 64a and pair of side plates 64b, and having an inverted U-shaped section.
  • the rear end portion of the rotating plate 64 is pivotally mounted on a shaft 65 piercing widthwise through the supporting truck 56.
  • the rotating plate 64 comprises an upwardly extending projection 64c protruding from an inner edge portion of the middle of upper surface thereof, and is always energized counter-clockwise as shown in Fig. 5 by means of a torsion spring 66 which is idly fitted on the inner end portion of the shaft 65.
  • a torsion spring 66 which is idly fitted on the inner end portion of the shaft 65.
  • One leg portion 66a of the torsion spring 66 is caught in the back surface of the top plate 64a and the other leg portion 66b is caught on the upper surface of the bearing member 62a for receiving the guiding roller 62 as indicated by a dotted line in Fig. 5.
  • a pressing member 67a slightly enlarged in diameter is mounted on the outer side of the shaft 67 piercing through the width of supporting pole 57 of each row floor 51, 52 and 53.
  • a proximate portion of a rear stopper 68 having a V-shaped profile consisting of an upwardly extending piece 68a and a forwardly extending piece 68b connected with each other at their proximate portions.
  • a pair of stoppers 69 and 70 is attached to the supporting pole 57 in such a manner that the stopper 69 is slightly spaced apart from the rear edge of the rear stopper 68 and the stopper 70 is slightly spaced apart from the lower edge of the rear stopper 68 so that the rear stopper is permitted to rotate within a predetermined range of angle confined by these stoppers 69 and 70.
  • a hook 68c is provided at the lower edge of the forward end portion of forwardly extending piece 68b of rear stopper 68 and is adapted to engage with the free end 63b of the front stopper 63.
  • each of the row floors 51, 52 and 53 received below the row floor 54 while they are not in use can be pulled out by means of a moving mechanism (not shown).
  • the rotating plate 64 mounted on the row floor 52 is set free to pass through below the front stopper 63b mounted on the row floor 53 as shown in Fig. 4.
  • the rear stopper 68 mounted on the row floor 51 is raised at first thereby releasing the engagement between the row floor 51 and the row floor 52. Then, when the moving mechanism (not shown) is actuated to move the row floors backward, only the row floor 51 is permitted to move rearward, because both row floors 52 and 53 are still fastened respectively with the rear stopper 68.
  • the row floors 52 and 53 can be successively retracted and received below the row floor 54.
  • a row floor neighboring to the next lower row floor does not move forward unless the forward movement of this next lower row floor is completed and works as a guide during the forward movement of this next lower row.
  • the row floors are extended forward successively in the order of inner one beginning from the innermost one. Accordingly, even if each of the row floors is big and elongated, it is possible to prevent the row floors from weaving or getting out of order or interfering with each other during the extending operation thereof, and to smoothly carry out the extending operation.
  • the retracting operation of the row floors can be effected by successively releasing the engagements of the rear stoppers, and the row floors can be smoothly retracted in the order of inner row floor beginning from the innermost one.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Claims (1)

  1. Verriegelungsvorrichtung für Reihen-Grundplatten einer teleskopischen Sitzvorrichtung mit einer Vielzahl von langgestreckten Reihen-Grundplatten (51, 53, 54), deren beide Seiten durch Stützen (57) auf einem unterstützenden Fahrgestell (56) derart beweglich getragen werden, daß sie vor und zurück bewegt werden können, wobei die Vielzahl von langgestreckten Reihen-Grundplatten (51, 53, 54) für den Gebrauch in Vorwärtsrichtung ausziehbar und in einer abgestuften Weise anordenbar ist, als auch bei Nicht-Benutzung eingezogen werden kann, wobei jeweils die eine Reihen-Grundplatte unterhalb der nächsthöheren Reihen-Grundplatte aufgenommen werden kann, wobei die Vorrichtung einen vorderen Anschlag (63) mit einem freistehenden Ende aufweist, das sich nach innen jeweils über ein benachbartes unterstützendes Fahrgestell (56) erstreckt, wobei an dem vorderen Endteil von jedem der unterstützenden Fahrgestelle (56) mit Ausnahme des innersten unterstützenden Fahrgestells (56) ein vorderer Anschlag befestigt ist, und wobei die Vorrichtung einen hinteren Anschlag (68) aufweist, welcher derart angeordnet ist, daß er mit der vorderen Kante des vorderen Anschlags (63) in Eingriff kommt, wenn der hintere Anschlag (68) nach vorne über den vorderen Anschlag (63) hinaus bewegt und dazu veranlaßt wird, aufgrund seines Eigengewichts nach unten zu schwenken, dadurch gekennzeichnet, daß an einen Teil eines jeden unterstützenden Fahrgestells (56) mit Ausnahme des innersten und des äußersten unterstützenden Fahrgestells (56) eine rotierbare Platte (64) an ihrem hinteren Ende derart schwenkbar befestigt ist, daß die rotierbare Platte (64) unmitelbar hinter dem nächstgelegenen Ende des vorderen Anschlags (63) positioniert ist und die rotierbare Platte (64) durch eine Feder (66) derart unter Druck gesetzt wird, daß ihre obere Kante nach vorne aufgerichtet wird, um somit mit einem freistehenden Ende (63b) desjenigen vorderen Anschlags (63) in Eingriff zu kommen, der auf dem nächsten unterstützenden Fahrgestell (56) montiert ist, welches dem unterstützenden Fahrgestell (56) benachbart ist, auf dem die rotierbare Platte (64) montiert ist, und wobei an jeder der tragenden Stützen (57) mit Ausnahme derjenigen, die sich an der äußersten Seite befinden, eine Achse (67) befestigt ist, die in einem hinteren Teil des unterstützenden Fahrgestells (56) angeordnet ist, und der hintere Anschlag an seinem nächstgelegenen Teil an der Achse schwenkbar montiert ist, wobei die Achse (67) an ihrem nach außen sich erstreckenden freistehenden Endteil mit einem Druck ausübenden Element (67a) versehen ist, welches sich über das benachbarte tragende Fahrgestell (56) erstreckt, so daß das Druck ausübende Element (67a) die rotierende Platte unterhalb des freistehenden Endes des vorderen Anschlags (63) herunterdrückt, wenn die unterstützenden Fahrgestelle (56) über die an der äußeren Seite der unterstützenden Fahrgestelle (56) angeordneten rotierenden Platten (64) bewegt werden.
EP91400412A 1988-03-30 1989-03-24 Bodenverriegelungsvorrichtung für eine Reihe einer teleskopischen Sitzvorrichtung Expired - Lifetime EP0430931B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP41063/88 1988-03-30
JP4106388U JPH0748895Y2 (ja) 1988-03-30 1988-03-30 移動観覧席における段床係留装置
JP4183088U JPH0427966Y2 (de) 1988-03-31 1988-03-31
JP41830/88 1988-03-31
EP19890400845 EP0335787B1 (de) 1988-03-30 1989-03-24 Vorrichtung zum Verriegeln der Ränge eines teleskopischen Sitzsystems

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP89400845.7 Division 1989-03-24

Publications (3)

Publication Number Publication Date
EP0430931A2 EP0430931A2 (de) 1991-06-05
EP0430931A3 EP0430931A3 (en) 1992-03-18
EP0430931B1 true EP0430931B1 (de) 1996-01-03

Family

ID=26380595

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19890400845 Expired EP0335787B1 (de) 1988-03-30 1989-03-24 Vorrichtung zum Verriegeln der Ränge eines teleskopischen Sitzsystems
EP91400412A Expired - Lifetime EP0430931B1 (de) 1988-03-30 1989-03-24 Bodenverriegelungsvorrichtung für eine Reihe einer teleskopischen Sitzvorrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19890400845 Expired EP0335787B1 (de) 1988-03-30 1989-03-24 Vorrichtung zum Verriegeln der Ränge eines teleskopischen Sitzsystems

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EP (2) EP0335787B1 (de)
DE (2) DE68900405D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2701642B1 (fr) * 1993-02-17 1995-05-19 Doublet Ets Perfectionnements aux tribunes à gradins, à éléments télescopiques.
FR2746433B1 (fr) * 1996-03-20 1998-06-19 Husson Collectivites Sa Tribune telescopique munie d'un dispositif de blocage entre rangs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3157916A (en) * 1960-05-18 1964-11-24 Safway Steel Products Inc Locking mechanism for collapsible bleacher
US3667171A (en) * 1971-01-08 1972-06-06 American Seating Co Row folding seating structure
NL7902899A (nl) * 1979-04-12 1980-10-14 Nijha Nv Uitrijdbare tribune.

Also Published As

Publication number Publication date
DE68900405D1 (de) 1991-12-12
DE68925362T2 (de) 1996-06-20
DE68925362D1 (de) 1996-02-15
EP0430931A2 (de) 1991-06-05
EP0430931A3 (en) 1992-03-18
EP0335787B1 (de) 1991-11-06
EP0335787A1 (de) 1989-10-04

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