Alignment ring for a punch

Details Alignment ring for a punch Alignment ring for a punch

2011-07-12

2011-07-12

Ekiert, Teresa M (Department: 3725)

Metal deforming

Tool and/or tool holder

Having unitary tool-face

Reexamination Certificate

active

07975523

ABSTRACT:
A split ring alignment ring for holding a punch has a split ring by which the alignment ring can be tightened onto the punch shaft. The alignment ring has a pair of radially aligned cut outs, on its inner circumference and are on its out circumference. A pin on the tool shaft engages the inner cut out to fix the tool against rotational movement relative to the ring. A second pin projects axially from the top of a punch point of the tool to engage the outer cut out, also to prevent rotational movement relative to the ring.

REFERENCES:
patent: 4217061 (1980-08-01), Eiland et al.
patent: 5067845 (1991-11-01), Schlueter
patent: 5306096 (1994-04-01), Tüns et al.
patent: 5613693 (1997-03-01), Ramunas
patent: 5851084 (1998-12-01), Nishikawa
patent: 6413006 (2002-07-01), Neugart
patent: 6880832 (2005-04-01), DeRosa
patent: 100 32 045 (2002-01-01), None
patent: 102 55 219 (2004-03-01), None
Schneider, Machine Translation of DE10032045, Jan. 31, 2002, pp. 1-2.

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