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:
Apr. 18, 1978
Filed:
Sep. 09, 1976
Applicant:
Inventors:
Hiroshi Narushima, Nagoya, JA;
Takayosi Hotta, Gifu, JA;
Assignee:
Okuma Machinery Works, Ltd., Nagoya, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q / ;
U.S. Cl.
CPC ...
29 2 / ; 29568 ; 408 35 ;
Abstract
New and old tools are changed by loosening or fastening a chuck mounted on a main spindle gripping or releasing the new and old tools and rotating and indexing a tool storage magazine in which a multiplicity of tools are stored, without requiring an exclusively usable driving means.