Rammer
US11274403B2 · kind B2 · utility
0Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2018 |
| Grant date | Mar 15, 2022 |
| Priority date | — |
| Expiry date | Dec 12, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D3/046
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A rammer includes: an engine; a reciprocating mechanism (3) including a crank shaft (13) and a connecting rod (14), and configure to convert a rotational force of the engine into a reciprocatory force; a leg part disposed in a forward inclined position in a traveling direction and configure to be moved up and down by the connecting rod (14); and a compacting plate disposed on a bottom end of the leg part. The crank shaft (13) is disposed orthogonally to the traveling direction. The reciprocating mechanism (3) includes a belt reduction mechanism (16) and a gear reduction mechanism (17).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.