FR1446855A - Ladder construction - Google Patents

Ladder construction

Info

Publication number
FR1446855A
FR1446855A FR31329A FR31329A FR1446855A FR 1446855 A FR1446855 A FR 1446855A FR 31329 A FR31329 A FR 31329A FR 31329 A FR31329 A FR 31329A FR 1446855 A FR1446855 A FR 1446855A
Authority
FR
France
Prior art keywords
ladder construction
ladder
construction
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
FR31329A
Other languages
French (fr)
Inventor
Aubrey W Minshall
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
Priority to FR31329A priority Critical patent/FR1446855A/en
Application granted granted Critical
Publication of FR1446855A publication Critical patent/FR1446855A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
    • B21D39/063—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in for assembling ladders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR31329A 1965-09-14 1965-09-14 Ladder construction Expired FR1446855A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR31329A FR1446855A (en) 1965-09-14 1965-09-14 Ladder construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR31329A FR1446855A (en) 1965-09-14 1965-09-14 Ladder construction

Publications (1)

Publication Number Publication Date
FR1446855A true FR1446855A (en) 1966-07-22

Family

ID=8588296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR31329A Expired FR1446855A (en) 1965-09-14 1965-09-14 Ladder construction

Country Status (1)

Country Link
FR (1) FR1446855A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491853A (en) * 1968-08-26 1970-01-27 Sears Roebuck & Co Rail for ladder
EP0048228A2 (en) * 1980-09-15 1982-03-24 Christen Krohn Steenberg Structural joint
FR2528132A1 (en) * 1982-06-03 1983-12-09 Cegedur DEVICE FOR ASSEMBLING A TUBE AND A TIN ELEMENT
FR2577609A1 (en) * 1985-02-15 1986-08-22 Ailly Sur Noye Ste Indle Cale Novel method of assembling metal rungs on metal ladder uprights

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491853A (en) * 1968-08-26 1970-01-27 Sears Roebuck & Co Rail for ladder
EP0048228A2 (en) * 1980-09-15 1982-03-24 Christen Krohn Steenberg Structural joint
EP0048228A3 (en) * 1980-09-15 1982-09-29 Christen Krohn Steenberg Structural joint
FR2528132A1 (en) * 1982-06-03 1983-12-09 Cegedur DEVICE FOR ASSEMBLING A TUBE AND A TIN ELEMENT
FR2577609A1 (en) * 1985-02-15 1986-08-22 Ailly Sur Noye Ste Indle Cale Novel method of assembling metal rungs on metal ladder uprights

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