US 12,283,441 B2
Key structure
Yu-Ming Lin, Taipei (TW); and Chih Lung Luo, Taipei (TW)
Assigned to Lite-On Technology Corporation, Taipei (TW)
Filed by Lite-On Technology Corporation, Taipei (TW)
Filed on Oct. 24, 2022, as Appl. No. 17/972,529.
Claims priority of provisional application 63/271,231, filed on Oct. 25, 2021.
Prior Publication US 2023/0129207 A1, Apr. 27, 2023
Int. Cl. H01H 3/12 (2006.01); H01H 13/7073 (2006.01); H01H 13/83 (2006.01)
CPC H01H 13/7073 (2013.01) [H01H 3/125 (2013.01); H01H 13/83 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A key structure, comprising:
a bottom plate comprising a first surface, a second surface opposite to the first surface, and a groove extending from the first surface to the second surface;
a switch element disposed on the first surface;
a keycap disposed on the switch element, wherein the switch element is located between the bottom plate and the keycap;
a positioning element connected to the second surface, wherein a portion of the positioning element protrudes from the second surface of the bottom plate and is located outside the groove; and
a linkage rod disposed between the keycap and the positioning element, wherein the linkage rod has a portion disposed at a position corresponding to the groove, and two opposite sides of the linkage rod are each in contact with the keycap and the positioning element, wherein the switch element and the linkage rod are two separate components, wherein the linkage rod has a first rod portion connecting to the keycap and partially covering the groove and a second rod portion engaged to the positioning element protruding from the second surface of the bottom plate.