US Patent 7488438 Molding machine and control method thereof

Patent 7488438 was granted and assigned to Sumitomo Heavy Industries on February, 2009 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Sumitomo Heavy Industries

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74884380

Patent Inventor Names

Akira Ito0

Date of Patent

February 10, 2009

Patent Application Number

111175070

Date Filed

April 29, 2005

Patent Primary Examiner

‌

Jill L. Heitbrink

Patent abstract

A molding machine according to the present invention includes a plurality of drive mechanisms driven by servo motors and a controller for controlling the respective drive mechanisms. According to the present invention, the plurality of drive mechanisms are divided into at least two groups. At least one of the two groups includes a plurality of drive mechanisms to be synchronized. The controller controls the at least two groups while establishing synchronization among the drive mechanisms included in the at least one of the two groups.