Clamping device
US6899262B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 2003 |
| Grant date | May 31, 2005 |
| Priority date | — |
| Expiry date | Jul 14, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/01082
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A clamping device is provided for clamping an object, such as bonding wire for a wire bonding machine. The device comprises a pair of clamping arms arranged in pivotal relationship with each other about a pivot point, the clamping arms having clamping ends movable between an open position and a closed position. An attraction device is operative to provide an attraction force between the clamping arms about the pivot point. The device includes biasing means that is operative to provide a biasing force in opposition to the attraction force about the pivot point, such that the biasing force is operative to bias the clamping ends towards the closed position. In a preferred embodiment, the biasing means comprises a flexure bearing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.