Construction apparatus
US8813432B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 19, 2013 |
| Grant date | Aug 26, 2014 |
| Priority date | — |
| Expiry date | Nov 19, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G21/163
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A construction apparatus for use within an elevator hoistway is provided. The construction apparatus includes span members, each span member having a first end, a second end and a length. Sill attachments are connected to the first end of the span members. The sill attachments are configured to rotate about and seat against a building sill. A support member connected to the second end of the span members. The support members are configured to seat against a second side of the elevator hoistway. The length of the span members is longer than a horizontal distance from the building sill to the second side of the elevator hoistway such that the span members rest in an inclined orientation with respect to a substantially horizontal axis. One or more platforms is supported by one or more forms, the platforms arranged such as to provide a working platform within the elevator hoistway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.