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:
Sep. 23, 2003
Filed:
Jan. 11, 2001
Applicant:
Inventors:
Assignee:
Hitachi Via Mechanics, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 5/02 ;
U.S. Cl.
CPC ...
B23Q 5/02 ;
Abstract
Nuts are engaged with one ball screw , and the nut is directly fixed on a slider main body . The nut is rotatably held by a bearing , and a bearing holder holding the bearing is fixed on a slider main body . And, a gear is fixed on the side of the nut , and a gear engaging with the gear is provided. And, a motor for driving a gear is fixed on a bracket , being united with the slider main body . The ball screw is stopped and the motor is rotated so as to individually position the slider . Even if the number of the sliders is increased, a machine is not made bigger, and the printed board processing machine having simple structure can be provided.