Ladder shoe spur plate
US5370203A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 28, 1993 |
| Grant date | Dec 6, 1994 |
| Priority date | — |
| Expiry date | Jan 28, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/42
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A ladder shoe that comprises a ladder rail attachment portion which attaches to a ladder rail of a ladder. The ladder shoe is also comprised of a base. The base comprises an elongate portion having a first side and a second side, a first edge and a second edge, a top face and a bottom face. The top face is attached to the ladder rail attachment portion. The base is also preferably comprised of a foot pad. Additionally, the base is comprised of a blade portion extending from the first edge. Moreover, the base is comprised of a first flange portion extending from said bottom face and integrally connected therewith. There is a second flange portion extending from the bottom face and integrally connected thereto. Additionally, the base comprises a third flange portion extending from the bottom face and integrally connected thereto; and a fourth flange portion extending from the bottom face integrally connected thereto. The elongate portion and first and second and third and fourth flange portions are one continuous piece. The first and second and third and fourth flange portions form a pocket in which the footpad is held along the bottom face and sides of the footpad are protected. The…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.