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GB1229391A - - Google Patents

Info

Publication number
GB1229391A
GB1229391A GB1229391DA GB1229391A GB 1229391 A GB1229391 A GB 1229391A GB 1229391D A GB1229391D A GB 1229391DA GB 1229391 A GB1229391 A GB 1229391A
Authority
GB
United Kingdom
Prior art keywords
sectioned
square
keijser
stiles
rungs
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
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
Publication of GB1229391A publication Critical patent/GB1229391A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

1,229,391. Ladders. CARL KEIJSER & CO. A.B. 8 Jan., 1969, No. 1117/69. Heading E1S. A ladder has tubular square-sectioned rungs 1 attached at their ends to the I-sectioned stiles 4 with square holes in the webs thereof by a pair of double-walled peripheral flanges 2, 6. The flange 2 is formed prior to passing the rung end through the stile hole.
GB1229391D 1969-01-08 1969-01-08 Expired GB1229391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB111769 1969-01-08

Publications (1)

Publication Number Publication Date
GB1229391A true GB1229391A (en) 1971-04-21

Family

ID=9716462

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1229391D Expired GB1229391A (en) 1969-01-08 1969-01-08

Country Status (1)

Country Link
GB (1) GB1229391A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4261436A (en) * 1980-01-17 1981-04-14 Sears, Roebuck And Co. Metal ladder and method of fabricating the same
GB2130023A (en) * 1979-12-20 1984-05-23 Bicc Plc Cable ladder
FR2577609A1 (en) * 1985-02-15 1986-08-22 Ailly Sur Noye Ste Indle Cale Novel method of assembling metal rungs on metal ladder uprights
US5069309A (en) * 1989-09-28 1991-12-03 Emerson Electric Co. Rolling tower scaffold and method and tooling apparatus for manufacturing the same
US5170552A (en) * 1989-09-28 1992-12-15 Emerson Electric Co. Method of manufacturing a rolling tower scaffold

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130023A (en) * 1979-12-20 1984-05-23 Bicc Plc Cable ladder
US4261436A (en) * 1980-01-17 1981-04-14 Sears, Roebuck And Co. Metal ladder and method of fabricating the same
FR2577609A1 (en) * 1985-02-15 1986-08-22 Ailly Sur Noye Ste Indle Cale Novel method of assembling metal rungs on metal ladder uprights
US5069309A (en) * 1989-09-28 1991-12-03 Emerson Electric Co. Rolling tower scaffold and method and tooling apparatus for manufacturing the same
US5170552A (en) * 1989-09-28 1992-12-15 Emerson Electric Co. Method of manufacturing a rolling tower scaffold

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee