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:
Apr. 20, 1999
Filed:
Mar. 26, 1997
Applicant:
Inventor:
Naoki Kubo, Nishinomiya, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ; A47L / ; A47L / ; A47L / ;
U.S. Cl.
CPC ...
15 501 ; 15319 ; 15320 ; 180-65 ;
Abstract
An unmanned working vehicle of the present invention comprises a work mechanism section which performs a specified work, and a main body section having a wheel for moving said unmanned working vehicle and a driver for driving said work mechanism section or said main body section, wherein said driver having a weight and being arranged on the side opposite from said work mechanism section relative to said wheel, whereby the center of gravity of said unmanned working vehicle is located on or near said wheel.