Patent ID: 6508099
Filing Date: 2003-01-21
Classification: B21D

Abstract:
A hemming machine comprising:a base, a nest, a nest carrier which supports and is slidably mounted relative to said nest, means for vertically slidably mounting said nest and said nest carrier to said base, at least one hemming die, means for laterally slidably mounting said hemming die between an extended position in which said die overlies a portion of said nest, and a retracted position in which said die is laterally spaced from the nest, means for selectively moving said at least one die between said extended and said retracted position, and means for selectively hydraulically vertically displacing said nest relative to said nest carrier wherein said hydraulic displacing means comprises at least one driven bladder sandwiched between said nest and said nest carrier, a piston, at least one drive bladder sandwiched between said piston and said nest, and means for fluidly connecting said at least one drive bladder to said at least one driven bladder.