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:
Sep. 26, 1989
Filed:
Oct. 26, 1988
Applicant:
Inventor:
Yasumitsu Moriki, Tokyo, JP;
Assignee:
Maruma Jyusharyo Kabushiki Kaisha, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
228-7 ; 228 25 ; 228 27 ; 219 761 ; 219 7612 ; 74526 ; 318467 ; 318468 ;
Abstract
An automatic build-up welding machine for repair of workpieces such as track rollers. The machine requires no operator in charge during the welding operation. The apparatus comprises a device including a pair of guides, and a switch box connected adjustably in position to a welding torch, the switch box housing therein a pair of limit switches for reversing motion of the torch and a swing lever positioned between the limit switches. The apparatus controls the travel of the torch by varying half-cycles of the reciprocable travel thereof.