Center bar inserter
US4995758A · kind A · utility
14Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 31, 1989 |
| Grant date | Feb 26, 1991 |
| Priority date | — |
| Expiry date | Jul 31, 2009 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C23/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A center bar inserter having a frame for supporting a plurality of forks for pivotal movement about a horizontal axis is provided. Insertion of a center bar is preformed by simultaneously extending the forks into the concrete slab while the forks pivot about a horizontal axis. A pair of vibrating sleds are secured to the float pan reward of the center bar inserter for repairing the surface of the concrete slab disturbed by the insertion of the center bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.