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Title:
DRIVE APPARATUS AND OPERATION METHOD FOR PRESS MACHINE
Document Type and Number:
Japanese Patent JP2014138958
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a drive apparatus comprising a movable member and at least one actuator, especially for pressing.SOLUTION: A drive apparatus comprises: a movable member, at least one linear electrical actuator for generating first force; and at least one linear hydraulic actuator for generating second force. The at least one linear electrical actuator and the at least one linear hydraulic actuator are constituted such that the first force and the second force act in parallel to each other on the movable member in order to result in combined force.

Inventors:
MARTIN VAUGHN H
GENTILE BRYAN P
Application Number:
JP2014070850A
Publication Date:
July 31, 2014
Filing Date:
March 31, 2014
Export Citation:
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Assignee:
VAMCO INTERNATL INC
International Classes:
B30B1/32; H02K7/06
Domestic Patent References:
JPS6133795A1986-02-17
JP2005066728A2005-03-17
JPH07116898A1995-05-09
JPS51151871A1976-12-27
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Disciple Maru Ken
Ino Sato
Mitsuru Matsushita
Ichiro Kurasawa
Makoto Watanabe