Patent · US Expired

Sheet bending brake

US7412862B2 · kind B2 · utility

2Cited by
33References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 5, 2006
Grant dateAug 19, 2008
Priority date
Expiry dateApr 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.