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:
Jan. 18, 2005
Filed:
Aug. 05, 2002
Kazuo Sakamaki, Ojiya, JP;
Akira Sakamaki, Ojiya, JP;
Chokichi Sato, Ojiya, JP;
Tadashi Taniguchi, Ojiya, JP;
Kazuo Sakamaki, Ojiya, JP;
Akira Sakamaki, Ojiya, JP;
Chokichi Sato, Ojiya, JP;
Tadashi Taniguchi, Ojiya, JP;
Yukiwa Seiko Kabushiki Kaisha, Nigata-Ken, JP;
Abstract
A chuck device in which a plurality of claws provided at an end of a body are opened, closed and slid by the rotation of a rotary sleeve and a tool is clamped by means of the claws. An annular ratchet wheel is provided on the body. An annular nut member to be engaged with the claws and to be rotated together with the rotary sleeve is fitted in the body inside of the rotary sleeve. A retainer spring member detachably retained with a tooth of the ratchet wheel is arranged outside of the ratchet wheel, the retainer spring member is arranged to rotate around the ratchet wheel in accordance with the rotation of the nut member, the retainer spring member is mounted on the nut member by convex/concave engagement means. A retainer portion keeps a condition that the ratchet wheel and the retainer spring member are retained to each other and a condition that the engagement between the ratchet wheel and the retainer spring member is released, and the retainer portion is disposed between the body and the rotary sleeve and defined by the retainer spring member and an inner surface of the rotary member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile