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:
Mar. 05, 2002
Filed:
Jun. 02, 2000
Applicant:
Inventor:
Shigeharu Kobayashi, Ishikawa, JP;
Assignee:
Shibuya Kogyo Co., Ltd., Ishikawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 1/600 ;
U.S. Cl.
CPC ...
B23Q 1/600 ;
Abstract
In a ball suction head, a main body thereof has a large number of ball suction holes and its inside space is to be decompressed. A mask is provided in the inside space of the main body to thereby close a predetermined number of the ball suction holes. A changeover member changes opening and closing of the suction holes by the mask.