B - Operations – Transporting – 26 – F
Patent
B - Operations, Transporting
26
F
B26F 1/14 (2006.01) B21D 28/34 (2006.01)
Patent
CA 2042830
The invention involves a novei structure used in piercing a metal workpiece. Other workpieces made from materials other than metal may be used, if desired. The structure uses a punch plate having movably connected below it a stripper plate. A spring means connects these two plates so that they are movable toward each other. The stripper plate has an aperture centrally located therein and a tubular punch guide fitted over the aperture. A punch housing containing a punch is telescopically fitted within said tubular punch guide and will travel through the length of the punch guide, through the aperture and puncture a workpiece held below. The tubular punch guide prevents side to side movement of the punch and punch housing to substantially minimize damage to the punch and supporting structures.
Deni Frank
Sim & Mcburney
LandOfFree
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