Pile driving assembly
US4365675A · kind A · utility
3Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 24, 1979 |
| Grant date | Dec 28, 1982 |
| Priority date | — |
| Expiry date | Sep 24, 1999 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D13/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A pile driver assembly comprising a lead, a hammer supported for longitudinal movement along the lead, a helmet at the lower end of the lead configured to receive the end of a noncircular pile, a pile guide supported for longitudinal movement along the lead and having a cross-section configured to receive the pile, and a pile rotator supported near the lower end of the lead and configured to receive the pile, the pile rotator centering and rotating the noncircular pile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.