US 12,272,505 B2
Key structure and keyboard module
Hao Jan Tuan, Taipei (TW); and Hsin-Fu Liu, Taipei (TW)
Assigned to Lite-On Technology Corporation, Taipei (TW)
Filed by Lite-On Technology Corporation, Taipei (TW)
Filed on Sep. 7, 2022, as Appl. No. 17/939,913.
Claims priority of provisional application 63/242,498, filed on Sep. 10, 2021.
Claims priority of provisional application 63/251,691, filed on Oct. 4, 2021.
Claims priority of application No. 202222112534.6 (CN), filed on Aug. 11, 2022.
Prior Publication US 2023/0079208 A1, Mar. 16, 2023
Int. Cl. H01H 13/7065 (2006.01)
CPC H01H 13/7065 (2013.01) 20 Claims
OG exemplary drawing
 
1. A key structure, comprising:
a support;
a keycap, disposed above the support;
a linkage, movably connected to the support and the keycap;
a circuit layer, wherein the support is located between the circuit layer and the linkage, and the circuit layer has an extension portion protruding from an edge of the support;
a trigger mechanism, disposed between the circuit layer and the keycap; and
a baseplate, wherein the circuit layer is disposed between the baseplate and the support, and the support comprises a first engaging assembly aligning with an opening of the circuit layer,
wherein the first engaging assembly comprises a first part extending along a first direction, and a second part connecting to an end of the first part and extending along a second direction different from the first direction, and a width of the second part is larger than a width of the first part in the second direction.