ES2010774A6 - Un tramo de grada portatil para uso con una pluralidad de otros tramos de grada para erigir una graderia y metodo para usar dicho tramo de grada. - Google Patents
Un tramo de grada portatil para uso con una pluralidad de otros tramos de grada para erigir una graderia y metodo para usar dicho tramo de grada.Info
- Publication number
- ES2010774A6 ES2010774A6 ES8802407A ES8802407A ES2010774A6 ES 2010774 A6 ES2010774 A6 ES 2010774A6 ES 8802407 A ES8802407 A ES 8802407A ES 8802407 A ES8802407 A ES 8802407A ES 2010774 A6 ES2010774 A6 ES 2010774A6
- Authority
- ES
- Spain
- Prior art keywords
- riser
- mobile folding
- sections
- steps
- configuration
- 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
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
-
- 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
- E04H3/126—Foldable, retractable or tiltable tribunes
Abstract
UNA GRADA MOVIL Y PLEGABLE PARA COROS INCLUYE UN BASTIDOR ABATIBLE DOTADO DE MEDIOS PARA RECIBIR CIERTO NUMERO DE ESCALONES DE GRADA DESMONTABLES EN LUGARES DE COLOCACION PROGRESIVAMENTE MAS ALTOS EN EL BASTIDOR. SE PREVEN MEDIOS DE BLOQUEO PARA ASEGURAR DE MANERA SOLTABLE LOS ESCALONES AL ARMAZON. SE PREVE UNA BARANDILLA A LO LARGO DE LA PARTE POSTERIOR DE LA GRADA, Y ESTA BARANDILLA PUEDE OSCILAR PERMITIENDO LA SUPERPOSICION O SOLAPE CON LAS BARANDILLAS DE OTROS TRAMOS DE GRADO CUANDO UN TRAMO DE GRADA DE CONFIGURACION DIRECTA (EL ESCALON DE MAYOR ANCHURA EN LA PARTE POSTERIOR) SE COLOCA JUNTO A UN TRAMO DE GRADA DE CONFIGURACION INVERSA (EL ESCALON DE MENOR ANCHURA EN LA PARTE POSTERIOR). SE PREVEN MEDIOS DE ENCLAVAMIENTO PARA ASEGURAR ENTRE SI LOS TRAMOS DE GRADA ADYACENTES, INDEPENDIENTEMENTE DE QUE LOS TRAMOS INDIVIDUALES SEAN DE CONFIGURACION DIRECTA O INVERSA.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8040887A | 1987-07-31 | 1987-07-31 | |
US22375688A | 1988-07-27 | 1988-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2010774A6 true ES2010774A6 (es) | 1989-12-01 |
Family
ID=22157171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES8802407A Expired ES2010774A6 (es) | 1987-07-31 | 1988-08-01 | Un tramo de grada portatil para uso con una pluralidad de otros tramos de grada para erigir una graderia y metodo para usar dicho tramo de grada. |
Country Status (15)
Country | Link |
---|---|
US (1) | US4979340A (es) |
EP (1) | EP0381674B1 (es) |
JP (1) | JP2739176B2 (es) |
KR (1) | KR970003864B1 (es) |
CN (1) | CN1031333A (es) |
AU (1) | AU609189B2 (es) |
CA (1) | CA1298452C (es) |
DD (1) | DD292292A5 (es) |
DE (1) | DE3879955T2 (es) |
ES (1) | ES2010774A6 (es) |
IN (1) | IN169810B (es) |
MX (1) | MX171179B (es) |
NZ (1) | NZ225635A (es) |
WO (1) | WO1989001084A1 (es) |
YU (1) | YU147388A (es) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5325640A (en) * | 1991-08-09 | 1994-07-05 | Sico Incorporated | Folding stage system |
CA2101577C (en) * | 1992-07-31 | 2005-06-07 | Dale L. Taipale | Modular portable stage system |
JP3097015B2 (ja) * | 1993-10-22 | 2000-10-10 | 株式会社コトブキ | 床高可変伸縮式階段状移動観覧席 |
EP0739439B1 (en) * | 1994-01-10 | 1998-09-30 | Sico Incorporated | Roller assembly lift mechanism |
US5660121A (en) * | 1995-02-24 | 1997-08-26 | Sico Incorporated | Folding framework and support legs |
US5787647A (en) * | 1996-06-07 | 1998-08-04 | Wenger Corporation | Portable riser |
US5810430A (en) * | 1997-02-07 | 1998-09-22 | Greenwhich Industries, L.P. | Portable seating apparatus |
US6024026A (en) * | 1997-06-20 | 2000-02-15 | Sico Incorporated | Tri-height folding stage |
US6070367A (en) * | 1997-08-01 | 2000-06-06 | Sico Incorporated | Folding stage |
US5960589A (en) * | 1998-07-27 | 1999-10-05 | Stadium Seating Erectors | Method and apparatus for modular stadium seating support system |
US6164017A (en) * | 1999-01-06 | 2000-12-26 | Sico Incorporated | Adjustable linkage |
USD432669S (en) * | 1999-07-19 | 2000-10-24 | Greenwich Industries, L.P. | Seating housing |
US6729075B2 (en) * | 2000-10-19 | 2004-05-04 | Wenger Corporation | Audience seating system |
US7546705B1 (en) * | 2003-02-26 | 2009-06-16 | Midwest Folding Products | Portable riser apparatus having a lifting and locking assembly |
US7900402B2 (en) * | 2006-10-04 | 2011-03-08 | Stageright Corporation | Powered dual level telescopic seating riser assembly |
CA2727132A1 (en) | 2007-06-08 | 2008-12-11 | Steeldeck Industries Limited | Rostrum and support structure |
US7942419B2 (en) * | 2007-12-07 | 2011-05-17 | Gelzinis Anthony C | Portable rebound ball game |
US8627926B2 (en) * | 2009-05-21 | 2014-01-14 | Julian D. Gordon | Method and apparatus for a stair assembly |
US8413384B2 (en) * | 2010-11-18 | 2013-04-09 | Amtab Manufacturing Corporation | Mobile folding choral riser with high-speed cylinder lift-assist mechanism and partially independent back railing linkage |
US8474190B1 (en) * | 2011-07-21 | 2013-07-02 | Derek J. Sanderson | Portable modular seating assembly |
DE102012002317B4 (de) * | 2012-02-06 | 2019-09-19 | Matthias Welter | Selbsttragender Transportwagen für Bühnenelemente |
GB2499216A (en) * | 2012-02-08 | 2013-08-14 | Steeldeck Ind Ltd | Rostrum support structure |
AR086117A1 (es) * | 2012-04-26 | 2013-11-20 | Ramiro Sebastian Pachecoy | Banco de suplentes |
USD744271S1 (en) * | 2014-03-10 | 2015-12-01 | biljax, inc. | Frame for a bleacher |
CN104947867A (zh) * | 2015-06-29 | 2015-09-30 | 安庆市凌康机电产品设计有限公司 | 一种折叠式移动阶梯装置 |
CN106382025B (zh) * | 2016-10-28 | 2018-11-23 | 台州锐祥机械设备有限公司 | 一种安全性高的钢结构舞台架 |
CN106382024A (zh) * | 2016-10-28 | 2017-02-08 | 无锡市富能金属制品有限公司 | 一种便于安装和拆卸的钢结构舞台架 |
CN106761367B (zh) * | 2016-12-19 | 2018-08-10 | 深圳愚乐园现代农林科技发展有限公司 | 一种可组装及拆卸的梯田专用梯 |
EP3635198B1 (en) | 2017-06-09 | 2021-08-25 | Sico Incorporated | Portable stage system |
CN108502692B (zh) * | 2018-04-15 | 2019-06-21 | 无锡兢腾建筑装饰工程有限公司 | 踏板间距可调节式扶梯 |
CN110052046B (zh) * | 2019-04-23 | 2024-03-19 | 浙江佳合文化科技股份有限公司 | 平台与楼梯相互转化的装置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1715885A (en) * | 1927-10-27 | 1929-06-04 | George A Annand | Knockdown bleacher |
US1823484A (en) * | 1930-03-28 | 1931-09-15 | Blumenthal Louis | Collapsible table and seat |
US2009037A (en) * | 1933-02-23 | 1935-07-23 | William D Willerig | Bleacher |
US2061235A (en) * | 1936-03-03 | 1936-11-17 | Paul E Horn | Foldable bleacher seat |
US2575593A (en) * | 1947-11-01 | 1951-11-20 | John C Peery | Collapsible stand |
US2588783A (en) * | 1948-06-29 | 1952-03-11 | Wayne Iron Works | Grandstand |
US2704383A (en) * | 1949-08-17 | 1955-03-22 | Berg Willie | Foldable stepped stand |
US2780506A (en) * | 1953-09-24 | 1957-02-05 | Howe Folding Furniture Inc | Folding sectional table with latch mechanism |
US2983968A (en) * | 1957-01-03 | 1961-05-16 | Brunswick Corp | Free standing folding bleacher |
US3112010A (en) * | 1961-10-10 | 1963-11-26 | Patent Scaffolding Co Inc | Safety ladder |
DE1276067B (de) * | 1963-07-04 | 1968-08-29 | Krupp Gmbh | Arbeitsbuehne, insbesondere zum Ausmauern von Konvertern und anderen metallurgischenGefaessen und OEfen |
US3282378A (en) * | 1964-09-14 | 1966-11-01 | George A Pierce | Safety scaffold |
US3747708A (en) * | 1971-11-18 | 1973-07-24 | Wenger Corp | Portable folding riser |
US3747706A (en) * | 1971-11-18 | 1973-07-24 | Wenger Corp | Portable folding riser |
US3869835A (en) * | 1974-02-15 | 1975-03-11 | Charles Mackintosh | Drawer-type grandstand arrangement |
US3914909A (en) * | 1974-06-14 | 1975-10-28 | James S Mcneal | Portable bleacher construction |
US3974894A (en) * | 1975-08-18 | 1976-08-17 | Wenger Corporation | Portable riser |
US4237661A (en) * | 1978-06-21 | 1980-12-09 | Adams George F Sr | Support stand for use with an above ground pool |
US4361991A (en) * | 1980-03-24 | 1982-12-07 | Harold Wiese | Seating and guard rail structure for bleachers |
US4412403A (en) * | 1982-05-21 | 1983-11-01 | Lefranc Christiane | Telescoping grandstand arrangement |
US4611439A (en) * | 1984-08-21 | 1986-09-16 | Steadfast, Inc. | Portable bleacher |
-
1988
- 1988-07-27 WO PCT/US1988/002544 patent/WO1989001084A1/en active IP Right Grant
- 1988-07-27 JP JP63506734A patent/JP2739176B2/ja not_active Expired - Fee Related
- 1988-07-27 KR KR1019890700567A patent/KR970003864B1/ko not_active IP Right Cessation
- 1988-07-27 DE DE8888906698T patent/DE3879955T2/de not_active Expired - Fee Related
- 1988-07-27 EP EP88906698A patent/EP0381674B1/en not_active Expired - Lifetime
- 1988-07-27 AU AU22559/88A patent/AU609189B2/en not_active Ceased
- 1988-08-01 CN CN88106534A patent/CN1031333A/zh active Pending
- 1988-08-01 IN IN643/CAL/88A patent/IN169810B/en unknown
- 1988-08-01 YU YU01473/88A patent/YU147388A/xx unknown
- 1988-08-01 ES ES8802407A patent/ES2010774A6/es not_active Expired
- 1988-08-01 NZ NZ225635A patent/NZ225635A/xx unknown
- 1988-08-01 DD DD88318539A patent/DD292292A5/de not_active IP Right Cessation
- 1988-08-01 MX MX012502A patent/MX171179B/es unknown
- 1988-08-04 CA CA000573874A patent/CA1298452C/en not_active Expired - Lifetime
-
1990
- 1990-02-13 US US07/479,203 patent/US4979340A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR890701858A (ko) | 1989-12-22 |
KR970003864B1 (ko) | 1997-03-22 |
CN1031333A (zh) | 1989-03-01 |
WO1989001084A1 (en) | 1989-02-09 |
EP0381674A1 (en) | 1990-08-16 |
MX171179B (es) | 1993-10-06 |
AU609189B2 (en) | 1991-04-26 |
NZ225635A (en) | 1991-02-26 |
DD292292A5 (de) | 1991-07-25 |
CA1298452C (en) | 1992-04-07 |
US4979340A (en) | 1990-12-25 |
JP2739176B2 (ja) | 1998-04-08 |
YU147388A (en) | 1990-10-31 |
IN169810B (es) | 1991-12-28 |
JPH03500069A (ja) | 1991-01-10 |
AU2255988A (en) | 1989-03-01 |
EP0381674B1 (en) | 1993-03-31 |
DE3879955T2 (de) | 1993-07-08 |
DE3879955D1 (de) | 1993-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20010301 |