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.:

US 7144355 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 05, 2006

Filed:

Jul. 02, 2003
Applicants:

Takeshi Momochi, Numazu, JP;

Masahiko Takasugi, Shizuoka, JP;

Hidemi Yoshino, Numazu, JP;

Takao Arai, Uji, JP;

Inventors:

Takeshi Momochi, Numazu, JP;

Masahiko Takasugi, Shizuoka, JP;

Hidemi Yoshino, Numazu, JP;

Takao Arai, Uji, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 3/157 (2006.01);
U.S. Cl.
CPC ...
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 ().


Find Patent Forward Citations

Momochi, Takeshi. (2006). Tool replacement method and nut driver for machine tools (U.S. Patent No. 7144355). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7144355

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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