Sheet bending brake
US7412862B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2006 |
| Grant date | Aug 19, 2008 |
| Priority date | — |
| Expiry date | Apr 23, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D11/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A bending brake for sheet material includes frames; an upper jaw and a lower jaw that cooperate to hold the sheet material a bending surface pivotally connected to the lower jaw to bend the sheet material against an anvil of the upper jaw; an interlocking unit connected to the frame and having a cam surface which has having a locking position; and an elongated pipe assembly for rotation by a user. The elongated body bears against the cam surface and rests in the locking position to clamp the sheet material with reduced freedom of play.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.