Construction apparatus
US8646224B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 16, 2009 |
| Grant date | Feb 11, 2014 |
| Priority date | — |
| Expiry date | Apr 8, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G21/163
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Construction apparatus for use within an elevator hoistway are provided. The construction apparatus include a span member having a first end and a second end. A sill attachment is connected to the first end of the span member and configured to seat against a building sill. A support member is connected to the second end of the span member and configured to seat against a second side of the elevator hoistway, wherein the second side of the elevator hoistway is opposite the building sill. A plurality of apertures is arranged on the span member and configured to allow a connection to a hoist device. The span member is configured to rotate about the sill attachment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.