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:
May. 11, 2004
Filed:
Nov. 27, 2002
Applicant:
Inventors:
Tong-Hsueh Lee, Taipei, TW;
Chi-Hung Chen, Taipei, TW;
Assignee:
Lite-On Technology Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 5/14 ;
U.S. Cl.
CPC ...
B41J 5/14 ;
Abstract
The present invention relates to a stroke-limited key structure and a keyboard including the key. The key structure includes a base, a scissors-shaped member, and a cap. The scissors-shaped frame is disposed on the base, and the cap is disposed on the scissors-shaped member. The scissors-shaped frame includes a first frame and a second frame that is rotatably coupled to the first frame. The first and second frames include a first protrusion and a second protrusion. The stroke of the key is limited by using the engagement between the first and second protrusions.