Concrete vibrator
US4057222A · kind A · utility
10Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 17, 1976 |
| Grant date | Nov 8, 1977 |
| Priority date | — |
| Expiry date | Feb 17, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF03C2/08
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Immersion vibrator of the type employed for consolidating poured concrete and employing an unbalanced rotor, characterized by a gerotor type motor, operated by hydraulic pressure, for rotating the rotor. It is of particular utility as an accessory to certain paving machines having an engine driven hydraulic circulating pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.