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:
Jun. 19, 2012

Filed:

Jul. 09, 2009
Applicants:

Takenori Suzuki, Hamamatsu, JP;

Yosuke Hio, Hamamatsu, JP;

Inventors:

Takenori Suzuki, Hamamatsu, JP;

Yosuke Hio, Hamamatsu, JP;

Assignee:

Roki Co., Ltd., Shizuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An oil pan includes a bottom portion, a side wall portion standing upward form an edge portion of the bottom portion, a cylindrical lubricating oil amount adjusting wall structure standing upward from substantially the central portion of the bottom portion and formed, to an inner peripheral portion thereof, with a lubricating oil amount adjusting passage which communicates with an external portion, the lubricating oil amount adjusting wall having a lubricating oil drain port formed to a lower portion thereof, a cylindrical lubricating oil adjusting plug assembled detachably to the lubricating oil amount adjusting passage so that the lubricating oil adjusting plug closes the lubricating oil drain port, the lubricating oil amount adjusting plug being formed with a communication port communicating with the lubricating oil amount adjusting passage, and a drain plug fitted detachably to the communication port.


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