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:
Oct. 06, 1992
Filed:
Aug. 22, 1989
Applicant:
Inventors:
Masao Okayama, Ryugasaki, JP;
Masataka Kawauchi, Ishioka, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
271-31 ; 271265 ; 15 211 ; 15 971 ; 2502 / ; 250571 ; 360128 ;
Abstract
A cleaning device capable of cleaning the surface of components, the cleaning device comprising: a cleaning member for cleaning the surface of the component which needs to be prevented from contamination; an arm made of a shape memory alloy and holding the cleaning member and also storing therein a first shape which can cause the cleaning member to be positioned on the surface of the component and a second shape which can cause the cleaning member to be retracted from the surface of the component; and shape transforming arrangement provided for the arm and transforming the shape between the first shape and the second shape.