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:
Jan. 04, 2022

Filed:

Mar. 17, 2020
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Seitaro Nobuyasu, Okazaki, JP;

Yu Hirai, Toyota, JP;

Atsushi Kawamoto, Toyota, JP;

Shigetsugu Iwata, Toyota, JP;

Yuki Katayama, Toyota, JP;

Kazuaki Kamiya, Toki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01); F16H 57/023 (2012.01);
U.S. Cl.
CPC ...
F16H 57/0424 (2013.01); F16H 57/023 (2013.01); F16H 57/0421 (2013.01); F16H 57/0457 (2013.01); F16H 57/0479 (2013.01);
Abstract

A lubrication mechanism for a vehicle drive-force transmitting apparatus including; first and second gears meshing with each other in a meshing region; and a casing storing therein the first and second gears. The lubrication mechanism includes a gutter that extends from an inner wall surface such that oil is received in the gutter and is then dropped from an end of the gutter. The gutter includes a flow-direction changing rib with which the received oil is to be collided whereby a flow direction of the received oil is changed to a direction toward the end of the gutter. The end of the gutter is located on upper side of the meshing region, between first and second vertical planes containing respective first and second axes about which the first and second gears to be rotated, and is located between opposite ends of the meshing region.


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