Holder for a drive piston of a setting tool
US6478207B2 · kind B2 · utility
5Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2002 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Jan 29, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25C1/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A piston holder for a drive piston (8) of a setting tool and including a circumferential groove (15) provided in a stationary, with respect to the setting tool, component of the setting tool and surrounding the drive piston (8), with the circumferential groove (15) becoming shallower in a drive-out direction of the drive piston (8), and an O-shaped helical tension spring (21) located in the circumferential groove (15) and concentrically surrounding the drive piston (8).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.