GB911299A - Improvements in or relating to ladders - Google Patents

Improvements in or relating to ladders

Info

Publication number
GB911299A
GB911299A GB4038158A GB4038158A GB911299A GB 911299 A GB911299 A GB 911299A GB 4038158 A GB4038158 A GB 4038158A GB 4038158 A GB4038158 A GB 4038158A GB 911299 A GB911299 A GB 911299A
Authority
GB
United Kingdom
Prior art keywords
ladders
rung
dec
rib
side member
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
GB4038158A
Inventor
Philip William Gamble
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.)
STEPHENS and CARTER Ltd
Original Assignee
STEPHENS and CARTER Ltd
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 STEPHENS and CARTER Ltd filed Critical STEPHENS and CARTER Ltd
Priority to GB4038158A priority Critical patent/GB911299A/en
Publication of GB911299A publication Critical patent/GB911299A/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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
    • E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
    • E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic

Landscapes

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

Abstract

911,299. Ladders. STEPHENS & CARTER Ltd. Dec. 3, 1959 [Dec. 15, 1958], No. 40381/58. Class 20 (2). In a ladder having tubular metal side members 1 and rungs 2, each rung is provided with a number of identical equally spaced longitudinal splines 11 and is prevented from rotating by a rib 5 on the inner face of each side member 1 engaging between two splines. The outer face of each side member may also be provided with a rib 7 which engages with the swaged end 12 of a rung. The side members 1 are formed with tongues 4 and grooves 3 for co-operation in a telescopic ladder. Reference has been directed by the Comptroller to Specification 842,963.
GB4038158A 1958-12-15 1958-12-15 Improvements in or relating to ladders Expired GB911299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4038158A GB911299A (en) 1958-12-15 1958-12-15 Improvements in or relating to ladders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4038158A GB911299A (en) 1958-12-15 1958-12-15 Improvements in or relating to ladders

Publications (1)

Publication Number Publication Date
GB911299A true GB911299A (en) 1962-11-21

Family

ID=10414604

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4038158A Expired GB911299A (en) 1958-12-15 1958-12-15 Improvements in or relating to ladders

Country Status (1)

Country Link
GB (1) GB911299A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3472340A (en) * 1966-09-13 1969-10-14 Evald Dahlquist Scaling ladder
US6269909B1 (en) * 1999-11-15 2001-08-07 Fiberlite Technologies, Inc. Fiberglass extension ladder and methods for manufacturing the same
EP1162329A1 (en) * 2000-06-08 2001-12-12 Hymer-Leichtmetallbau GmbH & Co. KG Stile to rung connection for scaffolding or similar elements

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3472340A (en) * 1966-09-13 1969-10-14 Evald Dahlquist Scaling ladder
US6269909B1 (en) * 1999-11-15 2001-08-07 Fiberlite Technologies, Inc. Fiberglass extension ladder and methods for manufacturing the same
EP1162329A1 (en) * 2000-06-08 2001-12-12 Hymer-Leichtmetallbau GmbH & Co. KG Stile to rung connection for scaffolding or similar elements

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