BE867848A - Echelle et son procede de fabrication - Google Patents

Echelle et son procede de fabrication

Info

Publication number
BE867848A
BE867848A BE1008917A BE1008917A BE867848A BE 867848 A BE867848 A BE 867848A BE 1008917 A BE1008917 A BE 1008917A BE 1008917 A BE1008917 A BE 1008917A BE 867848 A BE867848 A BE 867848A
Authority
BE
Belgium
Prior art keywords
scale
manufacturing process
manufacturing
Prior art date
Application number
BE1008917A
Other languages
English (en)
Inventor
W H Frank
Original Assignee
Emerson Electric Co
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 Emerson Electric Co filed Critical Emerson Electric Co
Publication of BE867848A publication Critical patent/BE867848A/fr

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
    • E06C7/087—Connections between rungs or treads and longitudinal members with a connecting piece installed around the rung
BE1008917A 1977-07-25 1978-06-06 Echelle et son procede de fabrication BE867848A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/818,590 US4177879A (en) 1977-07-25 1977-07-25 Ladder and method of construction therefor

Publications (1)

Publication Number Publication Date
BE867848A true BE867848A (fr) 1978-12-06

Family

ID=25225898

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1008917A BE867848A (fr) 1977-07-25 1978-06-06 Echelle et son procede de fabrication

Country Status (3)

Country Link
US (1) US4177879A (fr)
BE (1) BE867848A (fr)
DE (1) DE2827737A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4986377A (en) * 1988-03-17 1991-01-22 Deere & Company Belted crawler having auxiliary drive
EP1128020A1 (fr) * 2000-02-24 2001-08-29 Genex S.r.l. Echelle en matériau composite
US11168520B2 (en) * 2018-06-25 2021-11-09 Geoffrey Saylor Ladder rung cap for use with open ended ladder rungs for noise reduction and safety
US11885181B2 (en) 2019-12-27 2024-01-30 Werner Co. Box rail backup and method
US20230375022A1 (en) * 2020-10-08 2023-11-23 Zephyros, Inc. Connector assembly and method of making

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL264096A (fr) *
US817174A (en) * 1903-11-21 1906-04-10 John M Jones Ladder and bracket construction.
US2821764A (en) * 1954-03-11 1958-02-04 United Shoe Machinery Corp Plastic grommets and a method for forming them
US3225862A (en) * 1963-08-19 1965-12-28 Chance Co Ab Dielectric ladder
US3354987A (en) * 1965-09-16 1967-11-28 Werner Co Inc R D Ladders
US3481428A (en) * 1968-01-25 1969-12-02 Coast Mfg & Supply Co Ladder construction
US3502173A (en) * 1968-12-09 1970-03-24 Harold G Arnold Electrically insulated ladder

Also Published As

Publication number Publication date
DE2827737A1 (de) 1979-02-08
US4177879A (en) 1979-12-11

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