Metal deforming – With means to drive tool – With means to permit tool positioning
Reexamination Certificate
2006-09-05
2006-09-05
Banks, Derris H. (Department: 3725)
Metal deforming
With means to drive tool
With means to permit tool positioning
C072S446000, C072S481600, C072S481700
Reexamination Certificate
active
07100417
ABSTRACT:
An improved lower die assembly is provided which allows a given lower die in a pressing machine to be replaced with another easily and in a short period of time relative to a die holder. In the lower die assembly in which a lower die is received and securely held in a die holder, the improvement comprises: a clamp means whereby the lower die when unclamped is received in the die holder so that the lower die can be extracted from the die holder upwards and then when clamped is securely held therein; and a lift means disposed below the lower die and whereby the lower die when unclamped is raised above an upper end of the die holder.
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Kazama Takeshi
Yamanaka Shigeaki
Banks Derris H.
Bonk Teresa M.
Frishauf Holtz Goodman & Chick P.C.
Kubota Iron Works Co., Ltd.
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