Ladder securing devices and ladder assembly
US4363378A · kind A · utility
22Cited by
11References
8Claims
0Family size
Inventors
Key dates
| Filing date | Nov 26, 1980 |
| Grant date | Dec 14, 1982 |
| Priority date | — |
| Expiry date | Nov 26, 2000 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/48
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A ladder securing device which comprises two connectors for attachment to the runners of a ladder. One of the connectors includes a first rotatable element on which is mounted a second rotatable element. The elements are rotatable about axes which are at right angles to one another. A curved metal band is attached to one of said elements and the other connector includes an arrangement such as a locking pin for releasably securing the metal band to it. The arrangement of the first connector is such that the band can pivot about the two axes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.