CA1094028A - Ladders - Google Patents

Ladders

Info

Publication number
CA1094028A
CA1094028A CA306,203A CA306203A CA1094028A CA 1094028 A CA1094028 A CA 1094028A CA 306203 A CA306203 A CA 306203A CA 1094028 A CA1094028 A CA 1094028A
Authority
CA
Canada
Prior art keywords
hollow
section
stile
ladder
steel
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
Application number
CA306,203A
Other languages
English (en)
French (fr)
Inventor
Edwin J. Bruton
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.)
Abru Aluminium Ltd
Original Assignee
Abru Aluminium 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
Application filed by Abru Aluminium Ltd filed Critical Abru Aluminium Ltd
Application granted granted Critical
Publication of CA1094028A publication Critical patent/CA1094028A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E06C7/082—Connections between rungs or treads and longitudinal members
    • E06C7/085—Connections between rungs or treads and longitudinal members achieved by deforming the rung or the stile
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
    • E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
    • E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
CA306,203A 1977-07-06 1978-06-26 Ladders Expired CA1094028A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB28283/77 1977-07-06
GB28283/77A GB1595202A (en) 1977-07-06 1977-07-06 Ladders

Publications (1)

Publication Number Publication Date
CA1094028A true CA1094028A (en) 1981-01-20

Family

ID=10273200

Family Applications (1)

Application Number Title Priority Date Filing Date
CA306,203A Expired CA1094028A (en) 1977-07-06 1978-06-26 Ladders

Country Status (14)

Country Link
EP (1) EP0000344B1 (de)
JP (1) JPS5418362A (de)
AR (1) AR219759A1 (de)
AU (1) AU3774078A (de)
BR (1) BR7804218A (de)
CA (1) CA1094028A (de)
DE (1) DE2860615D1 (de)
DK (1) DK305678A (de)
ES (1) ES471508A1 (de)
FI (1) FI782172A (de)
GB (1) GB1595202A (de)
IT (2) IT7853480V0 (de)
NO (1) NO782223L (de)
ZA (1) ZA783722B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7453025B2 (en) 2004-09-22 2008-11-18 Arborgen, Llc Reproductive ablation constructs
FR3024489B1 (fr) * 2014-07-29 2018-08-10 Gimaex International Echelle telescopique comportant des troncons d'echelle de densites differentes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855134A (en) * 1956-10-04 1958-10-07 Bauer Mfg Company Metal ladder
GB923788A (en) * 1960-10-18 1963-04-18 C F Taylor Plastics Ltd Improvements in or relating to joining a main tube to a secondary tube laterally fitted thereto
BE760720A (fr) * 1970-12-22 1971-05-27 Loix Gilbert Escalier metallique prefabrique.

Also Published As

Publication number Publication date
FI782172A (fi) 1979-01-07
IT7868578A0 (it) 1978-07-05
IT1172892B (it) 1987-06-18
ES471508A1 (es) 1979-02-01
NO782223L (no) 1979-01-09
JPS5418362A (en) 1979-02-10
DK305678A (da) 1979-01-07
IT7853480V0 (it) 1978-07-05
DE2860615D1 (en) 1981-05-07
BR7804218A (pt) 1979-04-17
AR219759A1 (es) 1980-09-15
ZA783722B (en) 1979-06-27
GB1595202A (en) 1981-08-12
EP0000344A1 (de) 1979-01-24
EP0000344B1 (de) 1981-04-15
AU3774078A (en) 1980-01-10

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Legal Events

Date Code Title Description
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