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:
Jun. 08, 1993
Filed:
Mar. 04, 1991
Applicant:
Inventor:
Tadao Takasaki, Tokyo, JP;
Assignee:
Nihon Bisoh Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15103 ; 1525011 ; 15302 ;
Abstract
An automatic squeezee pressing device for pressing a squeezee against a window pane with a constant pressing force comprises a squeezee to be pressed against a window pane for cleaning the window pane, a squeezee moving mechanism for moving the squeezee toward or away from the window pane, a sensor provided in association with the squeezee for detecting pressing force of the squeezee pressed against the window pane and producing a detection output, and a control circuit responsive to the detection output of the sensor for supplying a control signal to the squeezee moving mechanism so as to maintain the pressing force of the squeezee constant.