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:
Jan. 31, 2006
Filed:
Mar. 05, 2004
Applicants:
Tomofumi Ochi, Osaka, JP;
Takayuki Isogai, Osaka, JP;
Keiichi Hayashi, Osaka, JP;
Inventors:
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
A01B 59/043 (2006.01);
U.S. Cl.
CPC ...
Abstract
A working machine lifting device of a tractor, comprising externally installed hydraulic lift cylinders disposed on the right and left sides of a transmission casing, lift arms rotated by the operation of the cylinders, and lower links vertically rotated by the rotation of the lift arms and connected to a working machine, wherein the cylinder and the lower link are rotatably supported on a same pin supported by the transmission casing and a sway chain bracket, and the support point of the cylinder and the vertical rotating pivot of the lower link are positioned on the axis of the pin.