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. 22, 2005
Filed:
Jul. 21, 2004
Li-sen Chen, Gueishan Township, Taoyuan County, TW;
Chien-yu Hsu, Gueishan Township, Taoyuan County, TW;
Chang-yi LI, Gueishan Township, Taoyuan County, TW;
Li-Sen Chen, Gueishan Township, Taoyuan County, TW;
Chien-Yu Hsu, Gueishan Township, Taoyuan County, TW;
Chang-Yi Li, Gueishan Township, Taoyuan County, TW;
Speed Tech Corp., Taipei Hsien, TW;
Abstract
The present invention is a roller construction module having an error prevention structure, comprising a base; a roller disposed in said base; two terminals at two opposite ends of the base to be electrically connected with a metal ring in the roller; a first and a second plungers on the bottom surface of the base; a post between the first and the second plungers; a third plunger on the position at the opposite side to the post on the bottom surface; and a first and a second protecting rods at two opposite ends near the third plunger. Based on the above-said structure, the switch at the left or the right side of the roller construction module can be respectively activated, and another switch, at the middle area of the mobile device, can be prevented from being activated simultaneously so that error prevention is achieved.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile