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. 21, 1999
Filed:
Jan. 28, 1997
Applicant:
Inventors:
Zenichi Oda, Anjo, JP;
Akinori Kimata, Anjo, JP;
Assignee:
Makita Corporation, Anjo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06B / ;
U.S. Cl.
CPC ...
1601 / ; 1601 / ;
Abstract
A drive unit for a vertical blind having a housing with a louver traverse drive shaft with a loop string wound therearound, a louver tilt drive shaft with a loop chain wound therearound, a louver open detection means with a slider and a switch to be turned on and off by the slider, and a control means for rotating the louver traverse drive shaft once a neutral position of the louvers is detected.