Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiromitsu Kaneko0
Shoji Futamura0
Date of Patent
August 18, 2009
0Patent Application Number
105574330
Date Filed
August 30, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A pressing apparatus using a motor, in which a driving device for fast feed, which lowers a upper die to a position immediately before pressing, and a motor for pressing, which performs a pressing operation, are used to cause the driving device for fast feed and the motor for pressing to operate cooperatively, and only one position detector, which detects a present position of a slider, is provided for a set of the driving device for fast feed and the motor for pressing. A lock device is provided so as to lock the slider and the screw shaft while the motor for pressing is operating for pressing a work piece.
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