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:
Feb. 08, 1983
Filed:
Jan. 02, 1981
Applicant:
Inventor:
Kunio Murakami, Hamamatsu, JP;
Assignee:
Enshu Limited, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q / ; B25J / ;
U.S. Cl.
CPC ...
414590 ; 29568 ; 4147 / ; 414735 ;
Abstract
A tool transfer assembly for automatic milling machines perform rapid but stable replacement of a tool on a spindle head under direct control by a cam groove formed in an axially turnable and vertically movable shaft operationally related to holding jaws for tool holders while effectively utilizing power derived from two pneumatic power sources, thereby avoiding dissipation of the power conventionally caused by dividing it during transmission.