Patent ID: 6748839
Filing Date: 2004-06-15
Classification: B23D,B26F,Y10T

Abstract:
A die assembly for sliding into and out of a paper punch machine comprising:a front portion and a back portion; wherein said front portion comprises an elongated die having a longitudinal axis, a slot parallel to the longitudinal axis for receiving paper, a plurality of die holes extending perpendicularly to the longitudinal axis, and a first connector hole and second connector hole near opposite ends of the die; and wherein said back portion comprises: an elongated pin-retainer plate generally parallel to said elongated die and having a front surface, a back surface, a longitudinal axis, and a first pin-retainer plate hole and a second pin-retainer plate hole near opposite ends of the pin-retainer plate; a plurality of punch pins removably received in said pin-retainer plate; wherein the die assembly further comprises: a first connector and a second connector connecting the back portion to the front portion so that the back portion does not detach from the front portion when the die assembly is slid out from said punch machine, the first connector and second connector extending between the front portion and the back portion generally perpendicular to the longitudinal axis of the elongated die; the first connector being fixed to the pin-retainer plate and being slidably received in the first connector hole in the front portion, so that the first connector moves, with the pin-retainer plate, forward and backward relative to the front portion; and the second connector slidably extending through the second pin-retainer plate hole and being retained in said second connector hole in the front portion, wherein the pin-retainer plate slides on said second connector forward and backward relative to said second connector.