NZ193489A - Base jack for scaffolding - Google Patents

Base jack for scaffolding

Info

Publication number
NZ193489A
NZ193489A NZ193489A NZ19348980A NZ193489A NZ 193489 A NZ193489 A NZ 193489A NZ 193489 A NZ193489 A NZ 193489A NZ 19348980 A NZ19348980 A NZ 19348980A NZ 193489 A NZ193489 A NZ 193489A
Authority
NZ
New Zealand
Prior art keywords
scaffolding
base jack
jack
base
Prior art date
Application number
NZ193489A
Inventor
P Gostling
Original Assignee
Evans & Sons Ltd C
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
Application filed by Evans & Sons Ltd C filed Critical Evans & Sons Ltd C
Publication of NZ193489A publication Critical patent/NZ193489A/en

Links

Classifications

    • 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
    • E21D15/20—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with pawl, pin, cross-piece, or the like engaging with ratchet teeth, notches, holes, or the like, spaced apart at intervals
    • 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
    • E04G25/061—Shores or struts; Chocks telescopic with parts held together by positive means by pins
    • 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
    • E04G25/061—Shores or struts; Chocks telescopic with parts held together by positive means by pins
    • E04G25/063—Shores or struts; Chocks telescopic with parts held together by positive means by pins with safety devices to avoid the accidental loss or unlocking of the pin, e.g. chains attaching the pin to the prop
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
NZ193489A 1979-05-03 1980-04-21 Base jack for scaffolding NZ193489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7915463A GB2048333B (en) 1979-05-03 1979-05-03 Props

Publications (1)

Publication Number Publication Date
NZ193489A true NZ193489A (en) 1982-09-14

Family

ID=10504938

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ193489A NZ193489A (en) 1979-05-03 1980-04-21 Base jack for scaffolding

Country Status (14)

Country Link
JP (1) JPS55155863A (en)
AU (1) AU5758780A (en)
BE (1) BE882973A (en)
BR (1) BR8002647A (en)
CA (1) CA1138018A (en)
DE (1) DE3016586A1 (en)
ES (1) ES250429Y (en)
FR (1) FR2455665A1 (en)
GB (1) GB2048333B (en)
HK (1) HK41583A (en)
NL (1) NL8002359A (en)
NZ (1) NZ193489A (en)
SE (1) SE8002969L (en)
ZA (1) ZA802345B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2675551B1 (en) * 1991-04-22 1993-08-06 Rennepont IMPROVEMENTS ON SHAFT NUTS.
JPH0811679B2 (en) * 1993-04-09 1996-02-07 松尾エンジニヤリング株式会社 Wedge-shaped jack device
JP2570092B2 (en) * 1993-04-09 1997-01-08 松尾エンジニヤリング株式会社 Wedge-shaped jack device and method of handling frame member in wedge-shaped jack device
GB2441108A (en) * 2006-08-23 2008-02-27 Colebrook Bosson Saunders Prod A collar for attachment to a monitor support arm mounting post
CN101864971B (en) * 2010-05-28 2011-08-31 河北理工大学 Portable rapid telescopic supporting post
CN103133019A (en) * 2011-11-23 2013-06-05 王琼 Flexible shield support with adjustable height
CN103423563A (en) * 2013-08-19 2013-12-04 常熟通润汽车零部件股份有限公司 Height-adjustable safety bracket
CN108117003B (en) * 2016-11-29 2019-07-16 中国国际海运集装箱(集团)股份有限公司 Adjustable supporting and lift truck
CN109184757A (en) * 2018-08-28 2019-01-11 郑光茂 Small mine pillar
CN109267767B (en) * 2018-11-12 2023-10-17 贵州师范大学 Building support frame structure
CN111576925B (en) * 2020-04-29 2021-11-05 浙江东新建设有限公司 Quick building steel support frame and implementation method thereof

Also Published As

Publication number Publication date
FR2455665A1 (en) 1980-11-28
FR2455665B3 (en) 1982-03-12
NL8002359A (en) 1980-11-05
BR8002647A (en) 1980-12-09
BE882973A (en) 1980-10-24
AU5758780A (en) 1980-11-06
ES250429U (en) 1980-09-01
ES250429Y (en) 1981-02-16
CA1138018A (en) 1982-12-21
JPS55155863A (en) 1980-12-04
SE8002969L (en) 1980-11-04
GB2048333A (en) 1980-12-10
DE3016586A1 (en) 1980-11-06
HK41583A (en) 1983-10-21
GB2048333B (en) 1982-12-15
ZA802345B (en) 1981-04-29

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