CA1206454A - Ladder - Google Patents

Ladder

Info

Publication number
CA1206454A
CA1206454A CA000421992A CA421992A CA1206454A CA 1206454 A CA1206454 A CA 1206454A CA 000421992 A CA000421992 A CA 000421992A CA 421992 A CA421992 A CA 421992A CA 1206454 A CA1206454 A CA 1206454A
Authority
CA
Canada
Prior art keywords
ladder
rungs
side pieces
shank
rung
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
CA000421992A
Other languages
English (en)
French (fr)
Inventor
Berne Mdhl
Lennart Holgersson
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.)
KENWI PLDTPRODUKTER AB
Original Assignee
KENWI PLDTPRODUKTER AB
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 KENWI PLDTPRODUKTER AB filed Critical KENWI PLDTPRODUKTER AB
Application granted granted Critical
Publication of CA1206454A publication Critical patent/CA1206454A/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
    • 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
    • E06C7/086—Connections between rungs or treads and longitudinal members with a connecting piece inserted in a hollow rung
    • 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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/10—Reinforcements for ladders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
CA000421992A 1982-04-15 1983-02-21 Ladder Expired CA1206454A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8202358A SE455430B (sv) 1982-04-15 1982-04-15 Satsstege med i varandra kopplingsbara sektioner, anordnade for att variera stegens effektiva lengd
SE8202358-1 1982-04-15

Publications (1)

Publication Number Publication Date
CA1206454A true CA1206454A (en) 1986-06-24

Family

ID=20346533

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000421992A Expired CA1206454A (en) 1982-04-15 1983-02-21 Ladder

Country Status (11)

Country Link
JP (1) JPS58185892A (sv)
KR (1) KR840004473A (sv)
CA (1) CA1206454A (sv)
DE (1) DE3313169A1 (sv)
DK (1) DK158105C (sv)
FI (1) FI74326C (sv)
FR (1) FR2525273B1 (sv)
GB (1) GB2118237B (sv)
IS (1) IS1259B6 (sv)
NO (1) NO161278C (sv)
SE (1) SE455430B (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0462797U (sv) * 1990-10-01 1992-05-28
AU643324B2 (en) * 1990-10-09 1993-11-11 Bp Chemicals Limited Phenolic resin alkoxylates
GB2261248B (en) * 1991-10-29 1996-05-15 Abru Aluminium Ltd A ladder structure
US5580014A (en) * 1993-12-22 1996-12-03 B-Line Systems, Inc. Ladder-type cable tray
CA2137879C (en) * 1993-12-22 1999-03-23 Eric R. Rinderer Ladder-type cable tray
EP0746663B1 (en) * 1994-03-01 1998-05-20 Foxdale Developments Ltd. Extensible ladder
GB9403863D0 (en) * 1994-03-01 1994-04-20 Foxdale Dev Ltd Extensible ladder
DE19501689C2 (de) * 1995-01-20 1999-02-25 Johann Brenner Ausziehleiter
US9887523B2 (en) 2014-03-26 2018-02-06 Cooper Technologies Company Ladder-type cable tray

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB842963A (en) * 1957-10-15 1960-08-04 A V R Achat Ventes Representat Ladders
GB921383A (en) * 1959-08-11 1963-03-20 Frank Boram Improvements in or relating to ladders, steps, trestles and the like
US3232378A (en) * 1963-12-19 1966-02-01 White Metal Rolling & Stamping Ladder rungs
GB1243771A (en) * 1967-07-21 1971-08-25 Derek Harcourt Matthews Improvements relating to metal extension ladders
DE1919643B2 (de) * 1969-04-18 1977-03-31 Hymer Leichtmetallbau Ing. Erwin Hymer, 7988 Wangen Leiter aus leichtmetall
US3559763A (en) * 1969-10-27 1971-02-02 Lawnlite Co Ladder structure

Also Published As

Publication number Publication date
SE8202358L (sv) 1983-10-16
DK162683D0 (da) 1983-04-13
KR840004473A (ko) 1984-10-15
JPS58185892A (ja) 1983-10-29
NO831195L (no) 1983-10-17
DE3313169A1 (de) 1983-10-20
DK162683A (da) 1983-10-16
NO161278B (no) 1989-04-17
SE455430B (sv) 1988-07-11
FI831137L (fi) 1983-10-16
IS2801A7 (is) 1983-10-16
NO161278C (no) 1989-07-26
GB2118237B (en) 1985-12-04
FI831137A0 (fi) 1983-04-05
FI74326B (fi) 1987-09-30
GB8309590D0 (en) 1983-05-11
IS1259B6 (is) 1986-11-24
FI74326C (sv) 1988-01-11
GB2118237A (en) 1983-10-26
DK158105C (da) 1990-08-20
FR2525273A1 (fr) 1983-10-21
DK158105B (da) 1990-03-26
FR2525273B1 (fr) 1986-11-14

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Legal Events

Date Code Title Description
MKEX Expiry