Press
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 5, 1986
Issued Date -
N/A
app pub date -
Jul 12, 1985
filing date -
Jun 23, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A press comprises a frame made up of two crossheads rigidly interconnectedy means of uprights with two rams mounted therebetween one above the other. One of the rams has a built-in nut with a non-self-stopping thread to be thereby engaged with a screw rigidly connected to a die holder mounted for rotation in the other ram and geared to a drive for its translatory motion. Forced interaction between the nut and the screw is effected through a drive provided to actuate the ram with the nut and controlled from the drive of the die holder. There is provided a clearance of sufficient size between the rams to permit a specified angle of rotation of the die holder.
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