Patent · US Expired

Tools for bending sheet metal

US4181002A · kind A · utility

26Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 19, 1977
Grant dateJan 1, 1980
Priority date
Expiry dateAug 19, 1997

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB21D5/042
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A sheet metal bending tool with first and second former members, one rotatable on a first axis, the former members being movable toward and away from each other on another axis normal to the first axis, the formers having opposed clamping faces, the rotatable former member having two clamping faces angularly related to each other by an angle equal to the angle of rotation during bending, the clamping face of the second former being toothed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.