Clamping assembly of a knockout punch
US9610696B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2011 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | May 10, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9476
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A clamping assembly includes a first jaw having a plurality of alternating grooves and lands formed thereon, a second jaw having a plurality of alternating grooves and lands formed thereon, and a spring provided between the first and second jaws. The jaws are pivotable relative to each other. The jaws are attached to a draw stud. The draw stud is formed from an elongated cylinder which has a conventional thread form formed on one end thereof and a plurality of alternating grooves and lands formed on the other end thereof. The alternating grooves and lands formed on the jaws mesh with the alternating grooves and lands formed on the draw stud to mate the jaws with the draw stud.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.