Patent · US Active

Rung for a collapsible ladder

US10718161B2 · kind B2 · utility

2Cited by

5References

9Claims

0Family size

Assignee

Telesteps AB · SE

Inventors

Jens Bernhardsson · Malmö, SE
Stina Karlsson · Lund, SE
Henrik Edvardsson · Malmö, SE
Niklas Ekstrand · Hagfors, SE
Carl-Johan Nelson · Bjärred, SE
Ulrik Gejervall · Hagfors, SE

Key dates

Filing date	Apr 4, 2017
Grant date	Jul 21, 2020
Priority date	—
Expiry date	Apr 4, 2037

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE06C7/14
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A rung for use in a ladder section of a collapsible ladder (1) is provided. The collapsible ladder comprises several ladder sections (5, 5a-5j), where each ladder section comprises two ladder tubes (10, 12) arranged parallel to each other and interconnected by the rung (20) to form the respective ladder section, and where each ladder tube (10, 12) is telescopically inserted into a ladder tube (10, 12) of a lower ladder section to form the collapsible ladder (1), the rung (20) comprising a main section (22), a first bracket section (24a) and a second bracket section (24b), wherein the first and second bracket sections (24a, 24b) are arranged at each end of the rung (20) to receive the respective ladder tube (10, 12). The rung (20) is characterized in that the main section (22) and the first and second bracket sections (24a, 24b) are provided as an integrated unit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.