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:
Oct. 01, 2019
Filed:
Jan. 19, 2017
Obara Korea Corporation, Hwaseong-si, KR;
Jae Woo Choi, Hwaseong-si, KR;
Young Geun Chun, Anyang-si, KR;
Kyung Hwa Kwak, Pyeongtaek-si, KR;
Seung Woo Park, Daegu, KR;
Seung Jin Oh, Seoul, KR;
Do Seok Yun, Hwaseong-si, KR;
OBARA KOREA CORPORATION, Hwaseong-si, KR;
Abstract
A tip changer for a spot welding machine includes a first rotation body that has an opening capable of accommodating a welding tip and is capable of rotating around the opening; a second rotation body that is disposed concentrically with the first rotation body and is rotated relative to the first rotation body; and a plurality of nail pieces that are disposed at equal angular intervals along an imaginary circle of the rotation bodies, are swingably connected to the first rotation body by a first connection mechanism, are swingably connected to the second rotation body by a second connection mechanism on a more radially inner side of the second rotation body than the first connection mechanism, and include contact portions on a more radially inner side of the second rotation body than a second connection mechanism.