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:
Mar. 17, 2015
Filed:
Nov. 05, 2012
Yuji Takahashi, Aichi, JP;
Masaki Kurimoto, Shizuoka, JP;
Yuji Takahashi, Aichi, JP;
Masaki Kurimoto, Shizuoka, JP;
Makita Corporation, Aichi, JP;
Abstract
A lubrication apparatus for a four-stroke engine includes an oil tank, a supply passageway having an opening to supply oil mist from the oil tank to driving parts, the opening being provided in the oil tank. A partition is provided between the opening and a side wall of the oil tank, the partition being formed by partition plate members so as to divide an inside of the oil tank into an inner area and an outer area. The inner area includes the opening, and the outer area is defined between the inner area and the side wall. Oil can freely move between the inner area and the outer area, and the opening is placed in a position above a surface of the oil accumulated in the oil tank even when the four-stroke engine is tilted in every direction.