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.

Date of Patent:
Mar. 24, 1987

Filed:

May. 31, 1985
Applicant:
Inventors:

Yoshihide Fujita, Hidaka, JP;

Hirofumi Morita, Shiki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ; B23K / ; B25J / ;
U.S. Cl.
CPC ...
219 82 ; 219158 ; 901 29 ;
Abstract

A wrist portion assembly for a workpiece feeding apparatus of a seam welding machine wherein a workpiece is supported through a chucking device on an operational end of a robot so that a portion of the workpiece to be welded is fed between a pair of upper and lower electrode rolls. The wrist portion includes plural turnable members. At least one of the turnable members which serves to move the chucking device upwardly and downwardly by the turning thereof is formed into an idle turnable member having no driving source.


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