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:
Dec. 25, 1990
Filed:
May. 09, 1989
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29740 ; 29743 ; 29759 ; 29834 ; 294 641 ;
Abstract
An electric parts mounting apparatus is provided with a head rotation drive mechanism which is magnetically or fluidly connected to a vacuum head in a non-contact state. The vacuum heads are rotated by the head rotation drive mechanism, and the electric parts taken up by the vacuum heads are angularly positioned, and then mounted on the circuit board.
Nakayama, Susumu. (1990). Electric parts mounting apparatus and electric parts mounting method (U.S. Patent No. 4979286). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4979286
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