Ladder rail cap
US5533591A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 7, 1995 |
| Grant date | Jul 9, 1996 |
| Priority date | — |
| Expiry date | Mar 7, 2015 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/48
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A ladder rail cap comprising a shell. The shell has an inside surface defining a chamber into which a ladder rail is disposed. The shell has a top end and a bottom end having an opening in communication with the chamber. The ladder rail cap is also comprised of a clip attached to the inner surface of the shell near the top end of the shell. The clip mates with an end cap of the ladder rail and penetrates the ladder rail's envelope to hold the shell onto the rail. The present invention pertains to a ladder. The ladder comprises a first side rail having an end cap and defining a rail envelope. The ladder is also comprised of a second side rail having an end cap adjacent and in parallel to the first side rail. The second side rail defines a rail envelope. The ladder also comprises at least a first rung connected to the first side rail and the second side rail. Additionally, the ladder comprises a ladder rail cap disposed on each side rail. Each ladder rail cap has an inner surface defining a chamber and a clip attached to the inner surface. The end cap of each side rail is disposed in the respective chamber and mates with the respective clip of the respective cap. The present inventio…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.