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:
Jun. 03, 2014

Filed:

Dec. 09, 2010
Applicants:

Hidekazu Michioka, Tokyo, JP;

Tomozumi Murata, Tokyo, JP;

Tetsuhiro Nishide, Tokyo, JP;

Inventors:

Hidekazu Michioka, Tokyo, JP;

Tomozumi Murata, Tokyo, JP;

Tetsuhiro Nishide, Tokyo, JP;

Assignee:

THK Co., Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21K 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a method of manufacturing a spherical bearing having an inside member with a metal ball portion and an outside member having a ball support portion enclosing and supporting the ball portion of the inside member and connected to the inside member swingably or rotatably relative to each other, including the steps of performing injection molding in which the ball portion of the inside member is inserted as a core in a mold to mold a resin liner covering the ball portion, molding the outside member covering the resin liner by a casting in which the ball portion and the resin liner are inserted as a core in the mold, and after the completion of the casting, heating the resin liner covering the ball portion through the ball portion of the inside member.


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