Electric injection unit
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United States of America Patent
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N/A
Issued Date -
Aug 19, 2004
app pub date -
Dec 22, 2003
filing date -
Dec 27, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
To simplify and downsize an apparatus by using a magnetic screw shaft and a magnetic nut member for a rotational-linear motion conversion mechanism used as an electric drive of an injection apparatus or the like. In an electric injection unit using an electric motor as a driving source of an injection apparatus and a nozzle touch apparatus and having an electric drive for converting a rotational motion of the electric motor into a linear motion by a screw shaft and a nut member to perform injection or nozzle touch, the screw shaft and nut member are constituted by a magnetic screw shaft and a magnetic nut member.
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