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:
Aug. 09, 2005
Filed:
Sep. 30, 2002
Applicants:
Etsurou Kitami, Yamatokooriyama, JP;
Tomohiro Maekawa, Habikino, JP;
Terukazu Nakajima, Yamatotakada, JP;
Inventors:
Etsurou Kitami, Yamatokooriyama, JP;
Tomohiro Maekawa, Habikino, JP;
Terukazu Nakajima, Yamatotakada, JP;
Assignee:
Koyo Seiko Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H001/16 ;
U.S. Cl.
CPC ...
Abstract
There is provided a worm speed change apparatus comprising a worm shaft and a worm wheel meshed therewith. Rolling elements are rotatably disposed between a raceway groove formed directly in at least one of end portions of the worm shaft, and a bearing outer ring held by a housing. The worm shaft is directly supported by the rolling elements.