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:
Nov. 20, 2012
Filed:
Apr. 08, 2010
Ting Luo, Shenzhen, CN;
Xian-wei MA, Shenzhen, CN;
Ting Luo, Shenzhen, CN;
Xian-Wei Ma, Shenzhen, CN;
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, Guangdong Province, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
A keyboard includes a housing defining a dust opening, a plurality of rows of keys mounted in the housing with two of the a plurality of lines of the keys forming a horizontal gap and at least one cleaning device. Each of the cleaning devices is secured in one of the horizontal gaps. The cleaning device includes a driving rod and a cleaning brush. One end of the driving rod is rotatably fixed to the sidewall of the housing, and the other is driven to rotate the driving rod. The driving rod defines an outer threading thereon. The cleaning brush includes a sleeve and a plurality of arms fixed on the outer surface of the sleeve. The sleeve defines an inner thread cooperated with the outer thread of the driving rod. The driving rod rotates to move the cleaning brush along the driving rod.