WO1994025706A1 - Tribune telescopique a pente variable et sieges escamotables - Google Patents
Tribune telescopique a pente variable et sieges escamotables Download PDFInfo
- Publication number
- WO1994025706A1 WO1994025706A1 PCT/FR1994/000446 FR9400446W WO9425706A1 WO 1994025706 A1 WO1994025706 A1 WO 1994025706A1 FR 9400446 W FR9400446 W FR 9400446W WO 9425706 A1 WO9425706 A1 WO 9425706A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- arm
- axis
- box
- articulated
- chassis
- Prior art date
Links
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
-
- 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
Definitions
- the invention relates to the field of stands for equipping meeting or performance rooms with a multi-purpose vocation.
- the telescopic stands, with or without seats, are very widely used in sports and cultural meeting rooms.
- the telescopic grandstands have a major drawback: they cannot change their profile, in other words, a height is chosen at the time of construction for each tier which can no longer be modified; the tiered tier profile being frozen.
- the invention aims to improve the conditions for producing and operating such telescopic stands in order to meet the requirements related to visibility, by allowing variations in the layering of the stands.
- the invention relates to a telescopic grandstand comprising a plurality of tiers which are storeys in height and movable between an inactive retracted position in which the tiers are superimposed and contained in the same vertical planes and an active position in which the tiers are deployed.
- being stepped floors characterized in that a) each tier has a lower base for moving the tier between its retracted and deployed positions, the base being made up of two feet provided with rolling means and two symmetrical lateral uprights, the so-called feet and uprights being offset laterally from one tier to another so as to allow their juxtaposition side by side in the retracted position of all the tiers.
- each tier has a horizontal supporting frame resting on said vertical uprights;
- said chassis comprises lifting means supporting a box acting as a floor of the bleacher and thus made adjustable in altitude relative to the chassis.
- said box comprises at least one row of retractable seats in said box, in a manner known per se and for this purpose, the box acting as a floor has two upper trays contained in the same horizontal plane running parallel along the longitudinal axis of the box, the plates being articulated by their opposite edges on the said box and capable of opening upwards for the release of the seats joined together by its base of one of the plates , which is capable of remaining in a vertical position with the seat raised and placed in the active position, while the opposite plate is capable of being folded down and brought back into a horizontal position to constitute the walking floor of the step.
- the lifting means resting on the chassis and allowing the elevation of the box acting as a floor consist in a manner known per se of a set of arms acting as a connecting rod and articulated at their top on the box, slidingly resting by their base on the chassis and the arms each associated with a strut, itself articulated on the chassis and on the said arm, the sliding base of which is maneuvered by a rod co-axially to the chassis.
- the said means for lifting the box relative to the chassis consist of two deformable X-shaped articulated arms, in a manner known per se, interposed between the lower chassis and the upper box and the arms in X being operated by a rod co-axially to the chassis.
- the platform according to the invention comprises a device for ensuring the initial takeoff of the or one of said arms from its rest position in which the arm is disposed in an axis substantially parallel to the direction of said rod, in front cause its angular displacement, position thus causing a blocking situation
- this device comprises: a) a movable assembly capable of rectilinear horizontal displacement under the action of said rod, this crew receiving a first axis secured to one end of said arm and mounted to slide between two extreme positions on a light forming a slide provided on the movable assembly, that is to say a support position of said first axis on a first proximal end (relative to the center of the step) of said light, this proximal position of said axis corresponding to the substantially horizontal rest position of the arm, and a support position of said first axis on the opposite end or distal end of said lumen, this distal position of said axis corresponding to the position active training of said arm after the initial detachment period.
- Figure 1 Grandstand with seats in their folded position and in their storage space. Naked in section.
- Figure 2 Grandstand and seats in their extended position, offering their maximum slope for example: slope for hockey. Sectional view.
- Figure 3 Grandstand and seats in their deployed position, but with a modified slope compared to Figure 2, for example, slope for basketball. Naked in section.
- Figure 4 Telescopic grandstand, in the folded position. Plan view.
- Figure 5 Telescopic grandstand, in the open position. Plan view.
- Figure 6 Cross section on a bleacher, showing two positions of the movable floor, seat support
- Figure 7A Plan view of the chassis of the telescopic step.
- Figure 7B Front view of the chassis of the telescopic step.
- Figure 7C Longitudinal section of the chassis of the telescopic step.
- Figure 7D Cross section of the telescopic step frame.
- Figure 8 A Plan view of a lifting assembly for the movable floor, resting on the chassis of a telescopic step.
- Figure 8B View in longitudinal section of a lifting assembly of a movable floor, in the high position.
- Figure 8C View in longitudinal section of a lifting assembly for the movable floor, in the low position.
- Figure 9 Cross-sectional view of a variant of the tier, with movable floor forming a seat storage box.
- Figure 10 View of the initial take-off device in the rest position, ready to start.
- Figure 11 View of the take-off device in the action position.
- Figure 12 View of the take-off device in the upper position of the step.
- Figure 13 Detail view of the take-off device.
- the platform is composed of a plurality of steps deployable telescopically by rectilinear movement ⁇ 0 horizontal on the ground.
- Each tier consists of a horizontal frame (1) resting at a fixed and different height for each tier on a base made up of two lateral legs provided with rolling means and two uprights, these legs and lateral uprights, arranged symmetrically on each step are offset so as to * • * • - 'permit retraction of the steps into one another in a common storage space in which the stands are stacked, the feet and legs being juxtaposed; for this purpose the steps are arranged cantilevered on the uprights (see Figure 4).
- Each chassis advantageously consists of two parallel sections, forming beams, respectively la and 1b (fig.6 and 7d) joined by crosspieces in particular at the ends.
- Each step located at an invariable fixed height supports a box that can be moved in height by means of lifting means described below and forming the floor.
- the box (2) and the chassis (1) are for this purpose connected by a system of arms forming a connecting rod (3), associated with struts (4), forming with the horizontal rod (5), a deformable articulated system under the action of a pushing or pulling force provided by known means (6), such as an electric motor.
- known means (6) such as an electric motor.
- the setting in motion of the movable rod (5) by the motor causes the vertical elevation movements of the box (2), relative to the chassis (1).
- the lifting mechanism of the box 2 relative to the step 1 is in particular of the type described in the French patent published 74 852 and U.S 5.287.804
- the grandstand according to the invention thus combines in a new way the movement of deployment and erasing of the telescopic grandstands which can be released to release a bare floor area, being stored in a reduced lateral space, and the possibilities of height adjustment.
- bleachers to create bleacher layering profiles variable according to each type of use of the room thus equipped.
- Figure 1 shows the telescopic grandstand in its folded position, and we see that the box (2), which supports the seats (6), rests on the frame (1).
- Figure 2 shows the telescopic platform in its deployed position, according to its profile of greatest slope, that corresponding to the strata of the storage position, that is to say that each box (2) rests directly on the frame (i ).
- the seats (6) are in the released position.
- Figure 3 shows a change in profile compared to Figure 2.
- box (2) rests on the frame (1) via the link system (3) and struts (4).
- Figure 4 shows a telescopic platform viewed in plan in its folded position, while Figure 5 shows the same platform in its deployed position.
- Figure 6 is a cross section showing the assembly "box and tier" in two different positions of the box, either: - low in dotted lines; high in solid lines.
- FIG. 7 show the chassis (2) according to various views:
- FIG. 8 show the lifting system in various views:
- the advantageously remote-controlled motor 9 drives the linkage consisting of two lateral rods 5, which act on the foot of the arms 3 forming connecting rods and movable in sliding support, possibly with rolling means, on the surface top of chassis 1; this movement, combined with the reaction of the strut 4, articulated in a fixed position at its base on the chassis and by its opposite end towards the middle of the arm 3, causes the vertical elevation of the top of each arm articulated on the box higher thus driven in ascent or descent according to the movement of the linkage 5.
- FIG. 9 represents a variant associating the chassis (1), the box (2) and the seat (6).
- the seat (6) fixed on the articulated plate (7) can be stored in the box (2), thanks to the opening of the floor divided into 2 parts formed by the plates (7 and 8) articulated and pivoting , which allow the seat to be taken out or stored (6).
- the box (2) is shown in dotted lines in its low position, against the frame (1) and in solid lines in its high position, the plates (7 and 8) and the seat are in dotted lines in their position of erasure and folding of the seat and in solid lines in the movement of placing the seat in active position.
- the box acting as a floor comprises two upper plates (7 and 8) contained in the same horizontal plane and running parallel along the longitudinal axis of the box (2), the plates being articulated by their opposite edges on said box and capable of opening upwards for the release of the seats (6) integral in the lower position of one of the plates, which is able to remain in the vertical position with the seat raised and put in active position, while the opposite plate (8) is capable of being folded down and brought back into a horizontal position to constitute the walking floor of the step.
- FIG. 10 to 13 there is shown a step belonging to a platform according to the invention and in which the box (10) is mounted on an elevation system of known type and consisting of two arms (1 1 and 1 l ') assembled on a common articulation substantially in their middle and defining a deformable X.
- the assembly rests on a lower base (19) corresponding to the frame of the tier.
- the lifting assembly is shown in Figure 10 in its lower retracted position; Figures 11 and 12 showing the successive positions of the box (10), always remaining parallel to itself, in its elevation movement.
- the displacement of the box is obtained, in a manner known per se, by the angular movement of the two arms in X 11 and 11 'respectively.
- Figures 10 to 13 show side elevational views of the lifting device showing a single set of two arms in X; it is understood that in the majority of cases the box will rest on at least two lateral games of each two arms in X; so that the side elevation view of the tray, in an opposite direction of 180 ° will appear identical to the views of Figures 10 and 1 l (seen in a mirror) and it would show the two arms in X on the opposite side associated with the device maneuver and assistance with initial takeoff which will be described.
- an arm 11 ′ is articulated by one end l a on an axis 18 fixed relative to the chassis 19.
- the opposite end ll * b of this arm 11 ′ supports by l 'intermediate of rolling means, such as rollers or the like, the box 10.
- the arm 11 is itself secured by one end ia of a movable assembly 12 movable along an axis parallel to the planes containing the two arms 11 and 11 '; this crew rests on the chassis 19 and moves relative to its support by means facilitating this movement, such as rolling, slide or the like.
- the crew is moved by any appropriate mechanical means and illustrated in FIGS.
- an electric motor (9) causing the rotation of a screw (9a) on which will be mounted a captive nut (9b); the rotation of the screw thus causing the displacement of the nut which then drives the rod (5) acting on the crew (12).
- a single motorization located in the middle position between the two sets of lateral X arms moving in rotation a single parallel screw and at a short distance from the base 9 will act on the two movable assemblies each associated with one of the two games of lateral X arms.
- this system assumes that one avoids lowering the two arms 1 1 and 1 l 'to a position in which the two arms are substantially parallel to each other and parallel to the plane of the chassis. 19 and as illustrated in FIG. 10.
- the arms can no longer be moved directly by centripetal traction exerted on the moving element 12 in the direction of arrow F; the two arms then being in abutment against each other by their central articulation 12, which is located substantially in the same plane in which the thrust of the mobile assembly 12 is exerted; also, the vertical component of this oblique force, force exerted along the arm 11 on the movable assembly 12 and the axis 22 (articulation of the two arms between them) is too weak compared to its horizontal component to allow a movement of both arms.
- this elevation system of the box maneuvered by X-shaped arms remains dependent on this necessity which imposes on the assembly, in its compacted rest position, a minimum of height.
- a development of the present invention aims precisely to allow in a new way the production of tiers with boxes carrying seats movable in height, and capable of reaching in the compact rest position of the boxes a positioning of the two arms substantially in the same mean plane. and very close to the plane of the chassis, thus providing a minimum space requirement and an “extra-flat” type embodiment.
- the lifting mechanism of the box 10 relative to the chassis 19 comprises a device for assistance with the initial takeoff of the arms 11 and 11 ′, therefore avoiding the blocking situation described above.
- This take-off assistance device is formed by a lever 15 mounted articulated on the movable assembly 12 by the articulation axis 21, the end 15a of the lever 15 opposite the articulation axis 21 comes to bear either on the under box 10, i.e. on a support plate 17 secured towards the outside of the end 1b of the arm 11 'supporting, by interposed rolling the box 10; a rolling roller 23 will advantageously equip the end 15a of the lever to facilitate the movement of this end under the plate 17 or under the box 10 that this lever will lift as described below,
- Figure 13 shows a support of the end of the lever 15 by the roller 23 on a support plate 17 secured to the arm 1 '; while in Figures 12 and 1 1 the support is made by the roller 23 directly on the box 10
- the articulation axis 13 by which the end ia of the arm 11 is mounted on the movable assembly is itself displaceable in a guide means provided on the assembly 12 in a rectilinear movement and parallel to the chassis plane 19.
- these guide means consist of two slots 14 provided on two cheeks parallel to each other and parallel to the general plane of movement of the arms 11 and 11 '; these two openings arranged symmetrically on the two side cheeks of the crew 12 each receive one of the two ends of the hinge pin 13; this axis being thus displaceable ,. as a function of the movement of the crew 12 between the two terminal ends of the slots 14, ie a proximal end (relative to the whole of the step) 14a, and an opposite distal end 14b.
- the axis 13 also receives the articulated support of a link 16 whose opposite end is articulated at 16a on the lever 15, substantially a level of its lower third, that is to say the articulation 16a being more closer to the end of the lever 15 articulated on the movable assembly than to the opposite end 15a bearing on the support plate 17, or on the underside of the box 10.
- the starting movement for the elevation of the box is provided by the action (in the example described here) of the rod causing the initial movement of the mobile equipment which is made according to arrow F, the axis 13 being (in the compacted rest position of the arms) in the proximal part 14a of the lumen 14, so that the movement of the mobile equipment does not act then directly on the axis 13 and therefore on the arm 11.
- This initial movement of the crew causes in its movement (according to arrow F) the axis 21 of articulation (not slidable) of the lever 15, but the axis 16a of articulation of the lever on the link 16, remains a substantially fixed fulcrum, the base of the link 16 being in abutment on the articulation 13.
- the bringing together of the crew 12 towards the center according to arrow F is accompanied on the one hand by the sliding of the axis 13 in its receiving lights 14 (the axis 13 remaining fixed, the lights moving with the crew which the doors) and on the other hand, also towards the center of the system of the axis 21 carrying the base of the lever 15.
- the whole of the lever 15 is called to tilt around the fulcrum that constitutes the articulation 16a, and the end 15a of the lever moves angularly coming to bear on the support plate 17or on the underside of the box 10 that it lifts, thus ensuring at the same time the upward movement of the end lb of the lever 1 l 'and the initial takeoff of the two arms, kinetically integral until reaching an angular position sufficient to allow the direct centripetal traction of the base ia of the arm 11 by the hinge pin 13, which has meanwhile reached position 14b within the light or twin lights 14; in this extreme position of the axis 13, the subsequent movement of the crew 12 then acts directly on the axis 13 and the movement of the arms can continue, the initial horizontal locking position having been exceeded.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU65729/94A AU6572994A (en) | 1993-04-26 | 1994-04-21 | Variable slope telescopic stand and rectractable seating |
JP1994523944A JP3544663B6 (ja) | 1993-04-26 | 1994-04-21 | 可変傾斜型入れ子式スタンドおよび格納可能な座席 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9304900A FR2704585B3 (fr) | 1993-04-26 | 1993-04-26 | Tribune telescopique pour l'accueil du public. |
FR93/04900 | 1993-04-26 | ||
FR9308975A FR2707969A1 (fr) | 1993-07-21 | 1993-07-21 | Dispositif de décollage angulaire. |
FR93/08975 | 1993-07-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994025706A1 true WO1994025706A1 (fr) | 1994-11-10 |
Family
ID=26230275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1994/000446 WO1994025706A1 (fr) | 1993-04-26 | 1994-04-21 | Tribune telescopique a pente variable et sieges escamotables |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU6572994A (fr) |
WO (1) | WO1994025706A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5459964A (en) * | 1993-02-17 | 1995-10-24 | Ets. Doublet | Stepped grandstands with telescopic elements |
FR2749604A1 (fr) * | 1996-06-05 | 1997-12-12 | Compagnone Rocco | Dispositifs de gradins a pente variable permettant le changement de configuration d'une salle de spectacle |
US20110099915A1 (en) * | 2009-10-30 | 2011-05-05 | Irwin Seating Company | Bleacher seating system |
US8992336B2 (en) | 2006-02-23 | 2015-03-31 | Falcon's Treehouse, L.L.C. | Circular motion theater |
US10584505B2 (en) * | 2017-10-23 | 2020-03-10 | Jimmy D'Joos | Rolling support for bleachers |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3279131A (en) * | 1964-03-09 | 1966-10-18 | Husey Mfg Company Inc | Gymnasium stand |
US3429081A (en) * | 1964-08-20 | 1969-02-25 | Automatic Sprinkler Corp | Telescoping chair riser structure |
EP0174240A1 (fr) * | 1984-08-14 | 1986-03-12 | Catherine Marie épouse Compagnone Chatenay | Siège escamotable |
DE4007455A1 (de) * | 1990-03-09 | 1991-09-12 | Eisenberg Hans Jochen | Stufentribuene aus ineinander schiebbaren einzelstufen |
-
1994
- 1994-04-21 WO PCT/FR1994/000446 patent/WO1994025706A1/fr active Application Filing
- 1994-04-21 AU AU65729/94A patent/AU6572994A/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3279131A (en) * | 1964-03-09 | 1966-10-18 | Husey Mfg Company Inc | Gymnasium stand |
US3429081A (en) * | 1964-08-20 | 1969-02-25 | Automatic Sprinkler Corp | Telescoping chair riser structure |
EP0174240A1 (fr) * | 1984-08-14 | 1986-03-12 | Catherine Marie épouse Compagnone Chatenay | Siège escamotable |
DE4007455A1 (de) * | 1990-03-09 | 1991-09-12 | Eisenberg Hans Jochen | Stufentribuene aus ineinander schiebbaren einzelstufen |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5459964A (en) * | 1993-02-17 | 1995-10-24 | Ets. Doublet | Stepped grandstands with telescopic elements |
FR2749604A1 (fr) * | 1996-06-05 | 1997-12-12 | Compagnone Rocco | Dispositifs de gradins a pente variable permettant le changement de configuration d'une salle de spectacle |
US5913776A (en) * | 1996-06-05 | 1999-06-22 | Compagnone; Rocco | Variable-slope tier devices allowing the configuration of a sports stadium or auditorium to be changed |
US8992336B2 (en) | 2006-02-23 | 2015-03-31 | Falcon's Treehouse, L.L.C. | Circular motion theater |
US9540832B2 (en) | 2006-02-23 | 2017-01-10 | Falcon's Treehouse, Llc | Circular motion theater |
US20110099915A1 (en) * | 2009-10-30 | 2011-05-05 | Irwin Seating Company | Bleacher seating system |
US8407943B2 (en) * | 2009-10-30 | 2013-04-02 | Irwin Seating Company | Bleacher seating system |
US10584505B2 (en) * | 2017-10-23 | 2020-03-10 | Jimmy D'Joos | Rolling support for bleachers |
Also Published As
Publication number | Publication date |
---|---|
JPH09501209A (ja) | 1997-02-04 |
JP3544663B2 (ja) | 2004-07-21 |
AU6572994A (en) | 1994-11-21 |
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