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:
May. 24, 1983
Filed:
Dec. 01, 1980
Applicant:
Inventors:
Tomio Uchida, Ebetsu, JP;
Kisaburo Otabe, Isehara, JP;
Assignees:
Caterpillar Mitsubishi Ltd., both of, JP;
Hokkaido Construction Equipment Sales, Ltd., both of, JP;
Primary Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
172815 ; 1727013 ; 37281 ; 37275 ;
Abstract
A blade device composed of a support frame mounted on the front end of an earth moving machine, a pair of blade members, whose each inside end is pivotably connected to the center of the front portion of said support frame and a pair of cylinder mechanisms interposed between said pair of blade members and said support frame. On the front surface of said support frame, a protecting plate covering the interconnecting portion of each said pair of blade members and said support frame is fixed.