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:
Feb. 04, 1997
Filed:
Dec. 02, 1993
Applicant:
Inventors:
Jae W Jang, Seoul, KR;
See M Jeon, Seoul, KR;
Assignee:
Goldstar Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05B / ;
U.S. Cl.
CPC ...
239246 ; 239251 ; 239255 ;
Abstract
A spray arm of a dish washer having improved washing efficiency by providing the spray arm to pulsate through utilizing the feeding and draining action of washing water, comprises first and second rotation nozzles oppositely formed in each end of the spray arm; a ball moved by washing water fed into the spray arm and the weight of the ball itself, the ball for closing either one of the first and the second nozzles, and a guide member for guiding the ball to move only in one direction.