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:
May. 18, 2010
Filed:
Jun. 28, 2005
Masaru Kobayashi, Nagano-ken, JP;
Toshihiko Kaji, Hyogo-ken, JP;
Masaru Kobayashi, Nagano-ken, JP;
Toshihiko Kaji, Hyogo-ken, JP;
Harmonic Drive Systems, Inc., Tokyo, JP;
Sumitomo Electric Sintered Alloy, Ltd., Takahashi-shi, JP;
Abstract
An outer ring of a cross roller bearing is a composite component having an outer ring main body portion constructed of a lightweight metal alloy and a raceway surface formation portion linked to an inner side thereof and constructed of a ferrous material. A ring for forming the raceway surface formation portion is preformed, and is inserted into a forging die, powder forging is performed using a metal powder for manufacturing the outer ring main body portion, a composite component is manufactured in which a ringshaped portion for forming the outer ring main body portion is integrally formed with the raceway surface formation ring, and an after-treatment is performed on the product.