DD292292A5 - Bewegliche zusammenlegbare chortreppe - Google Patents
Bewegliche zusammenlegbare chortreppe Download PDFInfo
- Publication number
- DD292292A5 DD292292A5 DD88318539A DD31853988A DD292292A5 DD 292292 A5 DD292292 A5 DD 292292A5 DD 88318539 A DD88318539 A DD 88318539A DD 31853988 A DD31853988 A DD 31853988A DD 292292 A5 DD292292 A5 DD 292292A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- support frame
- staircase
- section
- steps
- locking
- 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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8040887A | 1987-07-31 | 1987-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
DD292292A5 true DD292292A5 (de) | 1991-07-25 |
Family
ID=22157171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD88318539A DD292292A5 (de) | 1987-07-31 | 1988-08-01 | Bewegliche zusammenlegbare chortreppe |
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 |
CN1114745C (zh) * | 1994-01-10 | 2003-07-16 | 赛蔻股份有限公司 | 滚轮组件提升机构 |
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 |
EP2167760B1 (en) | 2007-06-08 | 2019-05-08 | 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 |
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 |
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 |
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 |
US3747706A (en) * | 1971-11-18 | 1973-07-24 | Wenger Corp | Portable folding riser |
US3747708A (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 EP EP88906698A patent/EP0381674B1/en not_active Expired - Lifetime
- 1988-07-27 AU AU22559/88A patent/AU609189B2/en not_active Ceased
- 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 JP JP63506734A patent/JP2739176B2/ja not_active Expired - Fee Related
- 1988-08-01 ES ES8802407A patent/ES2010774A6/es not_active Expired
- 1988-08-01 CN CN88106534A patent/CN1031333A/zh active Pending
- 1988-08-01 MX MX012502A patent/MX171179B/es unknown
- 1988-08-01 IN IN643/CAL/88A patent/IN169810B/en unknown
- 1988-08-01 NZ NZ225635A patent/NZ225635A/xx unknown
- 1988-08-01 YU YU01473/88A patent/YU147388A/xx unknown
- 1988-08-01 DD DD88318539A patent/DD292292A5/de not_active IP Right Cessation
- 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 |
---|---|
US4979340A (en) | 1990-12-25 |
AU2255988A (en) | 1989-03-01 |
KR970003864B1 (ko) | 1997-03-22 |
EP0381674B1 (en) | 1993-03-31 |
NZ225635A (en) | 1991-02-26 |
CN1031333A (zh) | 1989-03-01 |
KR890701858A (ko) | 1989-12-22 |
YU147388A (en) | 1990-10-31 |
JPH03500069A (ja) | 1991-01-10 |
DE3879955D1 (de) | 1993-05-06 |
WO1989001084A1 (en) | 1989-02-09 |
IN169810B (es) | 1991-12-28 |
MX171179B (es) | 1993-10-06 |
AU609189B2 (en) | 1991-04-26 |
EP0381674A1 (en) | 1990-08-16 |
DE3879955T2 (de) | 1993-07-08 |
ES2010774A6 (es) | 1989-12-01 |
CA1298452C (en) | 1992-04-07 |
JP2739176B2 (ja) | 1998-04-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENJ | Ceased due to non-payment of renewal fee |