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:
Aug. 18, 2009
Filed:
Nov. 30, 2006
Kevin Schechtel, Algonquin, IL (US);
Jon Godston, Chicago, IL (US);
Mark Oliver, Mundelein, IL (US);
Kevin Schechtel, Algonquin, IL (US);
Jon Godston, Chicago, IL (US);
Mark Oliver, Mundelein, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A drive mechanism () for a portable electronic device (), such as a mobile telephone or personal digital assistant, includes at least one wheel () engaging at least one track (). In one embodiment, two tracks () are coupled to a first housing (), while a pair of wheels () are coupled to a shaft () which is coupled to a second housing () by way of a shaft retaining member (). The wheels (), which may include wheel teeth () disposed about the perimeter () of the wheels that engage track teeth (), pass along the tracks () to cause the first housing () to slide open or closed relative to the second housing (). A preloaded tensioning device (), which in one embodiment comprises to oppositely wound coiled springs disposed concentrically about the shaft () bias the first housing () and the second housing () towards an open position.