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:
Sep. 06, 2005
Filed:
Nov. 12, 2003
Norihisa Matsumoto, Osaka, JP;
Masatake Tamaru, Osaka, JP;
Norihisa Matsumoto, Osaka, JP;
Masatake Tamaru, Osaka, JP;
Komatsu Limited, Tokyo, JP;
Abstract
A blade preferably adopted to work machines for digging, carrying of soil and leveling, which achieves an increase in a quantity of soil per tractional force with a simple structure to reduce consumption horsepower and increase fuel consumption efficiency thereby leading to low cost, has a central front face section () having a linear first cutting edge () at a bottom end thereof, a jointed front face section () having a second cutting edge () which continues from the first cutting edge () and extends backward at a predetermined angle, and an end front face section () having a third cutting edge () which continues from the second cutting edge () and extended forward at a predetermined angle.