The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2002
Filed:
Jun. 06, 2000
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
A motor-driven injection driving apparatus for an injection molding machine comprises a fixed frame having an injection cylinder first and second injection drive motors and first and second ball screw shafts first and second power transmission mechanisms for transmitting the rotational forces of the first and second injection drive motors to the first and second ball screw shafts respectively, while reducing the speed; and a movable frame provided with first and second ball screw nuts threaded on the first and second ball screw shafts respectively, and a screw drive motor and capable of being moved in the direction of injection together with an injection screw In the injection process, the movable frame is moved so that a tensile force acts on the first and second ball screw shafts
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile