Temporary frame system for construction
US5881504A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1997 |
| Grant date | Mar 16, 1999 |
| Priority date | — |
| Expiry date | Mar 26, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G21/28
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A temporary frame system includes four masts arranged outside of a building to be constructed. The frame system includes a climbing mechanism mounted on each mast for upward and downward movement thereon, a canopy frame fixed at four corners by respective climbing mechanisms and horizontally covering the entire upper surface of the building, a plurality of overhead traveling cranes arranged on the lower surface of the canopy frame, and a jib crane movable along a guide rail provided on an upper surface of the canopy frame. The overhead traveling crane includes a main rail positioned on a lower surface of the canopy frame and subsidiary rails arranged on both sides of the main rail in parallel thereto. A transporting girder is movably supported on the main rail and subsidiary girders are movably supported on the subsidiary rails. A plurality of hoists are provided on the overhead traveling crane. The transporting girder is a dual type which has two, first and second girders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.