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. 04, 2022
Filed:
Dec. 21, 2017
Nsk Ltd., Tokyo, JP;
Shingo Matsuo, Fujisawa, JP;
Hiroaki Fujishiro, Fujisawa, JP;
Etsuo Koike, Fujisawa, JP;
Hironori Okado, Fujisawa, JP;
NSK LTD., Tokyo, JP;
Abstract
A laser welding apparatus () includes a laser welding head () configured to irradiate a workpiece () with laser light, a welding filler feeding mechanism () configured to supply a welding material to a position on which laser welding is performed, and a hollow structural moving mechanism () configured to move a welding unit () including the laser welding head and the welding filler feeding mechanism. The hollow structural moving mechanism has an insertion portion () through which wire materials (and) of the laser welding head and the welding filler feeding mechanism are inserted.