Ladder step
US4100998A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 14, 1976 |
| Grant date | Jul 18, 1978 |
| Priority date | — |
| Expiry date | Oct 14, 1996 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/16
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A platform mounted on rails on each side of the platforms can slide on a round headed bolt attached to each of the inside surfaces of a ladder and the platform can be secured by a clamp at a distal end of the platform to a rung of the ladder, a bearing attached to the front edge of the platform and attached to a support arm can be attached to a lower rung of the ladder by a clamp attached to a distal end of the support arm to support the front edge of the platform, and a front lip attached to a front edge of the platform can be used to pull the step forward and backwards; a rugging material can be attached to a surface of the platform to comfort the feet of a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.