GB822698A - Improvements in and relating to ladders - Google Patents

Improvements in and relating to ladders

Info

Publication number
GB822698A
GB822698A GB1195858A GB1195858A GB822698A GB 822698 A GB822698 A GB 822698A GB 1195858 A GB1195858 A GB 1195858A GB 1195858 A GB1195858 A GB 1195858A GB 822698 A GB822698 A GB 822698A
Authority
GB
United Kingdom
Prior art keywords
rungs
ladders
holes
stiles
tubular metal
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
GB1195858A
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.)
ROBERT SCOTT RAMSAY
Original Assignee
ROBERT SCOTT RAMSAY
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 ROBERT SCOTT RAMSAY filed Critical ROBERT SCOTT RAMSAY
Priority to GB1195858A priority Critical patent/GB822698A/en
Publication of GB822698A publication Critical patent/GB822698A/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
    • E06C7/081—Rungs or other treads comprising anti-slip features
    • 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

822,698. Tubular metal ladders. RAMSAY, R. S.April 15, 1958, No. 11958/58. Class 20(2) A ladder comprising tubular metal stiles and rungs has longitudinal ribs 15 on the ends of the rungs which fit into holes in the stiles 10 and are expanded in manufacture to engage corresponding recesses 16 in the holes in order to prevent rotation, the extremities of the rungs being spun or swayed over to form annular beads which abut the outer faces of the stile.
GB1195858A 1958-04-15 1958-04-15 Improvements in and relating to ladders Expired GB822698A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1195858A GB822698A (en) 1958-04-15 1958-04-15 Improvements in and relating to ladders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1195858A GB822698A (en) 1958-04-15 1958-04-15 Improvements in and relating to ladders

Publications (1)

Publication Number Publication Date
GB822698A true GB822698A (en) 1959-10-28

Family

ID=9995785

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1195858A Expired GB822698A (en) 1958-04-15 1958-04-15 Improvements in and relating to ladders

Country Status (1)

Country Link
GB (1) GB822698A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3621936A (en) * 1970-04-17 1971-11-23 Chamberlain Mfg Corp Ladder structure
JPS52101527U (en) * 1976-01-27 1977-08-02
EP1574661A1 (en) * 2004-03-09 2005-09-14 Hailo-Werk Rudolf Loh GmbH & Co. KG Method of joining a rung to a stile of a ladder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3621936A (en) * 1970-04-17 1971-11-23 Chamberlain Mfg Corp Ladder structure
JPS52101527U (en) * 1976-01-27 1977-08-02
EP1574661A1 (en) * 2004-03-09 2005-09-14 Hailo-Werk Rudolf Loh GmbH & Co. KG Method of joining a rung to a stile of a ladder

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