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. 23, 2021
Filed:
May. 22, 2018
Kitagawa Ironworks Co., Ltd., Fuchu, JP;
Tamio Nishimiya, Fuchu, JP;
KITAGAWA IRONWORKS CO., LTD., Fuchu, JP;
Abstract
The chuck mechanism includes: a chuck body; an axially movable plungerdisposed inside the chuck body; and a master jawradially movable by wedge action caused by fitting the plunger in the master jaw. A guide groovethat radially guides the master jaw and has a T-shaped cross section is formed in the chuck body. The master jaw has a narrow portionand a wide portionthat form a T-shaped cross section. A wedgefitted in a wedge grooveof the plunger is formed radially inside the wide portion. The end faceof the wedge in the width direction is positioned outward in the width direction with respect to the end faceof the narrow portion in the width direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile