Patent ID: 7669446
Filing Date: 2010-03-02
Classification: B21D,B23D

Abstract:
1. An indexer for use with a sheet bending brake, said indexer comprising: a rotatable shaft having at least two movable bending arms pivotally attached thereto, wherein each of said arms comprises first and second members, said first and second members each having first and second ends, respectively, with the first end of said first member being pivotally connected to said shaft and with the second end of said first member being pivotally joined to the first end of said second member, said shaft being rotatable to cause a first arm to pivot about a first pivot point to extend or retract to a first position and a second arm to pivot about a second pivot point to extend or retract to a position corresponding thereto, said first position being a reference point, wherein said position of said second arm determines a position of a piece of sheet metal.