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. 21, 1999
Filed:
Mar. 27, 1996
Applicant:
Inventors:
Kazuhiko Ando, Nara, JP;
Michio Oitaka, Osaka, JP;
Assignee:
Tsubakimoto Chain Co., Osaka-fu, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23B / ; B23B / ; B23B / ;
U.S. Cl.
CPC ...
82160 ; 279103 ; 279157 ; 279-223 ; 408143 ; 409233 ; 409234 ;
Abstract
A tool holding device comprising a tool pot in which an interchangeable tool is releasably fitted and removed, a ball holder firmly fitted in the tool pot and having a guide surface around which a shank portion of the tool is releasably fitted for radially advancing and retracting balls in said ball holder for attachment and detachment of a tool relative to the tool pot and a slide pin in the tool pot to move said balls radially outward to engage the shank of the tool being attached and for movement in an opposite direction for releasing said tool.