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:
Jun. 12, 2007
Filed:
Oct. 12, 2006
Takeshi Momochi, Numazu, JP;
Masahiko Takasugi, Shizuoka, JP;
Hidemi Yoshino, Numazu, JP;
Takao Arai, Uji, JP;
Takeshi Momochi, Numazu, JP;
Masahiko Takasugi, Shizuoka, JP;
Hidemi Yoshino, Numazu, JP;
Takao Arai, Uji, JP;
Toshiba Kikai Kabushiki Kaisha, Tokyo, JP;
Abstract
A spindle () has a chuck () provided on a distal end () thereof for chucking a tool (), and a nut () screwed to the distal end () and rotatable for tightening and loosening the chucking. The spindle () is positioned relative to a nut loosening station provided with a nut loosening driver () for driving the nut () to rotate in a loosening direction, the nut () is loosened by the nut loosening driver () to remove from the chuck () a first tool () to be replaced with a second tool (), the spindle () is positioned relative to a nut tightening station provided with a nut tightening driver () for driving the nut () to rotate in a tightening direction, and the nut () is driven by the nut tightening driver () to tight-chuck the second tool ().