FR1211973A - Method of assembling metal rungs on the ladder uprights - Google Patents

Method of assembling metal rungs on the ladder uprights

Info

Publication number
FR1211973A
FR1211973A FR1211973DA FR1211973A FR 1211973 A FR1211973 A FR 1211973A FR 1211973D A FR1211973D A FR 1211973DA FR 1211973 A FR1211973 A FR 1211973A
Authority
FR
France
Prior art keywords
assembling metal
ladder uprights
metal rungs
rungs
uprights
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
Other languages
French (fr)
Inventor
Emile Frassetto
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 filed Critical
Application granted granted Critical
Publication of FR1211973A publication Critical patent/FR1211973A/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
    • E06C7/083—Bracket type connection
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1211973D 1958-12-24 1958-12-24 Method of assembling metal rungs on the ladder uprights Expired FR1211973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1211973T 1958-12-24

Publications (1)

Publication Number Publication Date
FR1211973A true FR1211973A (en) 1960-03-21

Family

ID=9675877

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1211973D Expired FR1211973A (en) 1958-12-24 1958-12-24 Method of assembling metal rungs on the ladder uprights

Country Status (1)

Country Link
FR (1) FR1211973A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291258A (en) * 1964-11-24 1966-12-13 Ruth I Twilley Telescopic ladders
US3997027A (en) * 1974-11-04 1976-12-14 Patterson Allen S Ladder
EP0301821A1 (en) * 1987-07-28 1989-02-01 Mervyn Reginald Eli Baker Foldable ladders
US4926967A (en) * 1988-07-27 1990-05-22 Baker Mervyn R Folding ladders
US5060757A (en) * 1990-07-11 1991-10-29 Naturaland Trust Adjustable rungs for ladder
US5349795A (en) * 1993-03-03 1994-09-27 French Terry L Width-adjustable stairway step tread and method for constructing a stairway therewith
CN102661119A (en) * 2010-07-14 2012-09-12 天津市金锚集团有限责任公司 Assembly structure of ladder stair and ladder stair fixing seat thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291258A (en) * 1964-11-24 1966-12-13 Ruth I Twilley Telescopic ladders
US3997027A (en) * 1974-11-04 1976-12-14 Patterson Allen S Ladder
EP0301821A1 (en) * 1987-07-28 1989-02-01 Mervyn Reginald Eli Baker Foldable ladders
US4926967A (en) * 1988-07-27 1990-05-22 Baker Mervyn R Folding ladders
US5060757A (en) * 1990-07-11 1991-10-29 Naturaland Trust Adjustable rungs for ladder
US5349795A (en) * 1993-03-03 1994-09-27 French Terry L Width-adjustable stairway step tread and method for constructing a stairway therewith
CN102661119A (en) * 2010-07-14 2012-09-12 天津市金锚集团有限责任公司 Assembly structure of ladder stair and ladder stair fixing seat thereof

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