Injection unit of electric injection molding machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 12, 2004
Grant Date -
May 1, 2003
app pub date -
Sep 13, 2002
filing date -
Oct 31, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The tail end of a heating barrel is supported by a front plate. The tail end portion of a screw is rotatably supported by an intermediate plate. Bearings are built in the rear plate. The nut of each of ball screws is attached to the front surface of the rear plate through a hollow shaft and the bearing. Through holes are provided in the intermediate plate. To the front surface of the intermediate plate are fixed load cells so as to block the front of the through holes. The leading end portion of the threaded rod of each of the ball screws and leading end portion of the nut are inserted in each of the through holes. The leading end of the threaded rod is fixed to the rear surface of the load cell.
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