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. 26, 2014
Filed:
Aug. 10, 2012
Hai-nan Shen, Dong Guan, CN;
Hai-Nan Shen, Dong Guan, CN;
Lite-On Electronics (Guangzhou) Limited, Guangzhou, CN;
Lite-On Technology Corporation, Taipei, TW;
Abstract
A slim key structure includes a lower case having at least one positioning slot, a flexible membrane disposed on the lower case, an upper case dispose on the flexible membrane, a keycap and an elastic piece. The flexible membrane has a post opening corresponding to the positioning slot. The upper case has at least one hollow guiding cylinder and a central passage. The guiding cylinder is protruded upwardly and downwardly from the upper case, and the downward protruding portion of the guiding cylinder is received in the positioning slot. The keycap has at least one guiding post and a pushing stem protruding downwardly from a bottom surface thereof. The guiding post is reciprocably received in the guiding cylinder. The elastic piece is disposed between the keycap and the flexible membrane in the central passage depressable by the pushing stem against the flexible membrane.