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:
Jul. 05, 2016
Filed:
Feb. 12, 2013
Hitachi Koki Co., Ltd., Tokyo, JP;
Miyoji Onose, Hitachinaka, JP;
Kouji Sagawa, Hitachinaka, JP;
Satoru Matsuno, Hitachinaka, JP;
Yasuo Etou, Hitachinaka, JP;
Ai Nakayama, Hitachinaka, JP;
Yasutaka Shimizu, Hitachinaka, JP;
HITACHI KOKI CO., LTD., Tokyo, JP;
Abstract
A chainsaw in which a remaining amount of chain oil to be supplied to a saw chain can be easily checked is provided. In a chainsawincluding: a saw chaindriven by a motor embedded in a main body; and an oil tankin which the chain oil to be supplied to the saw chainin wood cutting process is stored, an illumination unit (LED) is provided in vicinity of the oil tank. In this manner, the chain oil of the oil tankpositioned on a left side of the LEDcan be illuminated. This illumination unit is configured to be used also as an illuminating device for illuminating the vicinity of the saw chain, that is, an area indicated by dotted lines fromto. According to the present invention, in a dark location, the remaining amount of the chain oil can be checked, and besides, a positional relationship among the chainsawmain body, the saw chain, and the periphery thereof can be easily visually checked, so that the working efficiency can be improved.