EP4347973A4 - Ensembles de support améliorés - Google Patents

Ensembles de support améliorés

Info

Publication number
EP4347973A4
EP4347973A4 EP22809969.3A EP22809969A EP4347973A4 EP 4347973 A4 EP4347973 A4 EP 4347973A4 EP 22809969 A EP22809969 A EP 22809969A EP 4347973 A4 EP4347973 A4 EP 4347973A4
Authority
EP
European Patent Office
Prior art keywords
prop assemblies
improved prop
improved
assemblies
prop
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.)
Pending
Application number
EP22809969.3A
Other languages
German (de)
English (en)
Other versions
EP4347973A1 (fr
Inventor
Robert GOLDSPINK
Billy Sy
Lee Blattmann
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.)
RJ Goldspink Pty Ltd
Original Assignee
RJ Goldspink Pty 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
Priority claimed from AU2021901580A external-priority patent/AU2021901580A0/en
Application filed by RJ Goldspink Pty Ltd filed Critical RJ Goldspink Pty Ltd
Publication of EP4347973A1 publication Critical patent/EP4347973A1/fr
Publication of EP4347973A4 publication Critical patent/EP4347973A4/fr
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • E04G25/065—Shores or struts; Chocks telescopic with parts held together by positive means by a threaded nut
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/24—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring
    • E21D15/325—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring by a clamping ring
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • E21D15/55—Details of the ends of props of prop heads or feet
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G2025/006—Heads therefor, e.g. pivotable
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G2025/042—Shores or struts; Chocks telescopic with devices to avoid accidental disengagement of the telescopic elements, e.g. during transport
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G2025/045—Shores or struts; Chocks telescopic which telescoping action effected by a lever

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Ladders (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Clamps And Clips (AREA)
EP22809969.3A 2021-05-26 2022-05-26 Ensembles de support améliorés Pending EP4347973A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2021901580A AU2021901580A0 (en) 2021-05-26 Improved Prop Assemblies
PCT/AU2022/050509 WO2022246515A1 (fr) 2021-05-26 2022-05-26 Ensembles de support améliorés

Publications (2)

Publication Number Publication Date
EP4347973A1 EP4347973A1 (fr) 2024-04-10
EP4347973A4 true EP4347973A4 (fr) 2025-04-23

Family

ID=84228230

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22809969.3A Pending EP4347973A4 (fr) 2021-05-26 2022-05-26 Ensembles de support améliorés

Country Status (8)

Country Link
US (1) US20240247506A1 (fr)
EP (1) EP4347973A4 (fr)
CN (1) CN117897544A (fr)
AU (1) AU2022280537A1 (fr)
CA (1) CA3220514A1 (fr)
TW (1) TW202314098A (fr)
WO (1) WO2022246515A1 (fr)
ZA (1) ZA202311786B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12344451B2 (en) * 2023-04-25 2025-07-01 Ping-Chun Huang Telescopic strut
CN121228860A (zh) * 2025-11-28 2025-12-30 中铁九局集团第四工程有限公司 一种支架立杆可调托座及使用方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB124910A (en) * 1918-04-13 1919-04-10 Mark James Patterson Improvements in or relating to Means or Apparatus for use in the Erection of Pit Baulks and Girders.
US1920433A (en) * 1928-08-13 1933-08-01 Francis A Poole Shoring device
EP0715041A1 (fr) * 1994-11-30 1996-06-05 Adrianus Johannus Leonardus Marinus Bekkers Etançon pour le bâtiment
US5593239A (en) * 1994-04-28 1997-01-14 Tracor, Inc. Extendable support pole
US6554235B1 (en) * 1999-10-29 2003-04-29 Force Et Forme Support post with adjustable accessory supports
US20110068568A1 (en) * 2009-09-22 2011-03-24 Cerezo Lotina Jose Luis Pressure-applying telescopic spacer
WO2020048951A1 (fr) * 2018-09-06 2020-03-12 Worxsafe Ab Montant de protection de bord télescopique

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US619047A (en) * 1899-02-07 Adjusting device for clothes-reels
US1725329A (en) * 1927-08-19 1929-08-20 Alsace S Blandford Wall-board-handling device
US3489395A (en) * 1967-08-24 1970-01-13 Pullman Inc Lubricated trailer prop
US3861648A (en) * 1974-01-09 1975-01-21 Pullman Inc Two-speed trailer landing gear safety arrangement
US6371422B1 (en) * 1999-10-15 2002-04-16 St Martin George Device for retaining a protective panel over a window
US7325786B2 (en) * 2003-02-18 2008-02-05 Cequent Trailer Products, Inc. Multi-speed drop leg mechanical jack for use with a trailer
US7331567B2 (en) * 2006-01-06 2008-02-19 Hongze Li Coupling device for two connecting poles
US9234537B2 (en) * 2012-11-11 2016-01-12 Han-Ching Huang Automatically extensible telescopic apparatus
EP3107770B2 (fr) * 2014-02-12 2023-08-23 Jost International Corp. Train d'atterrissage motorisé
US9879817B2 (en) * 2014-08-01 2018-01-30 Jared G. Remus Extendable tower mount system and method of use

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB124910A (en) * 1918-04-13 1919-04-10 Mark James Patterson Improvements in or relating to Means or Apparatus for use in the Erection of Pit Baulks and Girders.
US1920433A (en) * 1928-08-13 1933-08-01 Francis A Poole Shoring device
US5593239A (en) * 1994-04-28 1997-01-14 Tracor, Inc. Extendable support pole
EP0715041A1 (fr) * 1994-11-30 1996-06-05 Adrianus Johannus Leonardus Marinus Bekkers Etançon pour le bâtiment
US6554235B1 (en) * 1999-10-29 2003-04-29 Force Et Forme Support post with adjustable accessory supports
US20110068568A1 (en) * 2009-09-22 2011-03-24 Cerezo Lotina Jose Luis Pressure-applying telescopic spacer
WO2020048951A1 (fr) * 2018-09-06 2020-03-12 Worxsafe Ab Montant de protection de bord télescopique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022246515A1 *

Also Published As

Publication number Publication date
ZA202311786B (en) 2024-09-25
EP4347973A1 (fr) 2024-04-10
US20240247506A1 (en) 2024-07-25
CA3220514A1 (fr) 2022-12-01
TW202314098A (zh) 2023-04-01
AU2022280537A1 (en) 2024-01-18
CN117897544A (zh) 2024-04-16
WO2022246515A1 (fr) 2022-12-01

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Effective date: 20250320

RIC1 Information provided on ipc code assigned before grant

Ipc: E21D 15/24 20060101ALI20250314BHEP

Ipc: E04G 25/06 20060101ALI20250314BHEP

Ipc: E04G 25/04 20060101ALI20250314BHEP

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