CA1034928A - Ladder - Google Patents

Ladder

Info

Publication number
CA1034928A
CA1034928A CA254,580A CA254580A CA1034928A CA 1034928 A CA1034928 A CA 1034928A CA 254580 A CA254580 A CA 254580A CA 1034928 A CA1034928 A CA 1034928A
Authority
CA
Canada
Prior art keywords
ladder
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
CA254,580A
Other languages
English (en)
French (fr)
Inventor
Tor Lynne
Arvid Sydtveit
Egil Martinsen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1034928A publication Critical patent/CA1034928A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
    • E06C9/02—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted
    • 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
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/381—Ladders with rungs or treads attached only to one rigid longitudinal member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
CA254,580A 1975-08-20 1976-06-10 Ladder Expired CA1034928A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO752896A NO135072B (de) 1975-08-20 1975-08-20

Publications (1)

Publication Number Publication Date
CA1034928A true CA1034928A (en) 1978-07-18

Family

ID=19882422

Family Applications (1)

Application Number Title Priority Date Filing Date
CA254,580A Expired CA1034928A (en) 1975-08-20 1976-06-10 Ladder

Country Status (5)

Country Link
US (1) US4069892A (de)
CA (1) CA1034928A (de)
DE (1) DE2637142C3 (de)
GB (1) GB1547647A (de)
NO (1) NO135072B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199040A (en) * 1979-01-22 1980-04-22 The Laitram Corporation Ship ladder
US4263983A (en) * 1979-04-17 1981-04-28 Don Norton Manufacturing Co., Inc. Single stile ladder
DE3040981C1 (de) * 1980-10-28 1982-09-02 Udo 1000 Berlin Scheffler Vorrichtung zum Halten von Steigeisen
US4388983A (en) * 1982-01-25 1983-06-21 International Telephone And Telegraph Corporation Lightweight ladder
DE3440549A1 (de) * 1984-11-07 1986-05-15 Fahrleitungsbau Gmbh, 4300 Essen Steigschutzleiter
US4892170A (en) * 1989-04-27 1990-01-09 Avanti International Portable ladder assembly
USD420147S (en) * 1998-10-13 2000-02-01 Summit Specialties, Inc. Hunting ladder
US6170609B1 (en) * 1999-03-04 2001-01-09 Edwin F. Dech Tree dech
US6305497B1 (en) * 1999-12-17 2001-10-23 Steve J. Simon Mast ladder assembly
US7232010B2 (en) 2004-02-12 2007-06-19 Summit Treestands, Llc Modular hunting ladder
US9732556B2 (en) * 2014-09-07 2017-08-15 DDI, Inc. Tree climbing stick
CN109488098A (zh) * 2018-10-08 2019-03-19 国家电网有限公司 一种分段组立式电力钢杆
USD943117S1 (en) 2019-07-26 2022-02-08 Andrae D'Acquisto Climbing stick
CN111255372A (zh) * 2020-03-18 2020-06-09 河南飞虎警用装备有限公司 一种特种冲锋倒挂攀登杆

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US144690A (en) * 1873-11-18 Improvement in fire-extinguishing water-pipe attachments for buildings
DE51203C (de) * J. CAUDERAY in Lausanne, Schweiz Neuerung an Elektricitätszählern
US1134087A (en) * 1915-03-30 Clinton C Murphy Ladder.
US988719A (en) * 1910-11-23 1911-04-04 Joseph A Keyes Corner-ladder for railway-cars.
DE803948C (de) * 1948-10-02 1951-04-12 Mannesmann Ag Leiter fuer Stahlrohrbaugeruest
US3512608A (en) * 1968-05-06 1970-05-19 Loren Clifford Huntley Ladder structure

Also Published As

Publication number Publication date
US4069892A (en) 1978-01-24
DE2637142C3 (de) 1980-02-14
DE2637142B2 (de) 1979-06-21
NO135072B (de) 1976-10-25
GB1547647A (en) 1979-06-27
DE2637142A1 (de) 1977-03-03

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