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:
Jan. 17, 2023
Filed:
Nov. 12, 2019
Jatco Ltd, Fuij, JP;
Toshikazu Oshidari, Kanagawa, JP;
Jateo Ltd, Fuji, JP;
Abstract
A power transmission device includes a motor, a first planetary reduction gear connected downstream of the motor, a second planetary reduction gear connected downstream of the first planetary reduction gear, a differential gear connected downstream of the second planetary reduction gear, a drive shaft connected downstream of the differential gear, and a case member. The drive shaft penetrates an inner circumference of a rotor of the motor, an inner circumference of a sun gear of the first planetary reduction gear, and an inner circumference of a sun gear of the second planetary reduction gear. A portion of the differential case positioned between the first planetary reduction gear and the second planetary reduction gear is supported at an inner circumference side of a portion of the case member with a first bearing being interposed.