Impact machine
US6454021B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 1, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Jun 1, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D11/064
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention provides an impacting device capable of , crushing or drilling work with reduced noise or vibration, with high crushing efficiency, high energy efficiency, increased output and prolonged durabilityA super magnetostrictive material (1) is arranged in the center of an exciting coil (4) to which a pulse voltage is applied, a rod (12) is arranged in tight contact with the front end of the super magnetostrictive material (1), a reaction-receiving plate (3) is provided in tight contact with the other end of the super magnetostrictive material (1), and a power unit (6) is provided for repeatedly applying a pulse voltage to the exciting coil (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.