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. 13, 2013
Filed:
Jun. 10, 2009
Tomoaki Makino, Iwata, JP;
Tomoaki Makino, Iwata, JP;
NTN Corporation, Osaka, JP;
Abstract
A speed reducer part includes a casing, an input shaft arranged in the casing, eccentric members eccentric with respect to an axis of the input shaft and coupled to an end of the input shaft, revolution members supported by outer circumferences of the eccentric members through a rolling bearing, to make a revolution motion around the axis together with a rotation of the input shaft, an outer circumference engagement member engaging with outer circumferential parts of the revolution members to cause the revolution members to make a rotation motion, and an output shaft engaging the revolution members to extract the rotation motion. A bearing lubricant oil hole supplies oil to a surface in rolling contact with a rolling body. The lubricant oil hole is arranged in a non-load range, where a load applied from the output shaft and the outer circumference engagement member to the revolution members is not shared.