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. 08, 1987
Filed:
Feb. 28, 1986
Tamotsu Shikamori, Juo, JP;
Hiroyuki Toshimitsu, Hitachi, JP;
Hiroshi Ohsugi, Hitachi, JP;
Isao Hiyama, Hitachi, JP;
Soichi Fukuzawa, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A fully automatic washing machine having a washing/drying cell rotatably mounted in an outer cell, a rotary blade unit provided on the bottom of the washing/drying cell and provided with a cylindrical member mounted thereon, and a washing machine motor adapted to rotate the blade unit in forward and backward directions during washing and rinsing and, to rotate the washing/drying cell at a high speed in one direction during drying. The ratio of the outside diameter of the rotary blade unit to the inside diameter of the washing/drying cell is selected to range between 0.6 and 0.8. The speed of rotation of the rotary blade unit is selected to fall within the range of between 100 and 250 rpm. The time length of rotation of the washing machine motor in each of forward and backward directions is selected to be less than 1 second.