US 12,293,884 B2
Key assembly and keyboard
Huijie Xu, Shenzhen (CN); Haitao Li, Shenzhen (CN); and Pingping Lei, Shenzhen (CN)
Assigned to HONOR DEVICE CO., LTD., Shenzhen (CN)
Appl. No. 18/249,329
Filed by Honor Device Co., Ltd., Shenzhen (CN)
PCT Filed Aug. 19, 2022, PCT No. PCT/CN2022/113753
§ 371(c)(1), (2) Date Apr. 17, 2023,
PCT Pub. No. WO2023/116002, PCT Pub. Date Jun. 29, 2023.
Claims priority of application No. 202111599799.7 (CN), filed on Dec. 24, 2021.
Prior Publication US 2024/0371583 A1, Nov. 7, 2024
Int. Cl. H01H 13/85 (2006.01); H01H 13/7065 (2006.01); H01H 13/83 (2006.01)
CPC H01H 13/85 (2013.01) [H01H 13/7065 (2013.01); H01H 13/83 (2013.01); H01H 2209/01 (2013.01); H01H 2221/044 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A key assembly, comprising:
a support plate, wherein the support plate has a first surface and a second surface that are opposite to each other, the support plate has an accommodating portion, and the accommodating portion limits an accommodating groove, and wherein the first surface in the accommodating portion is level with the second surface outside of the accommodating portion;
a flexible circuit board, wherein the flexible circuit board is superposed on the first surface, and the flexible circuit board has a through hole that is correspondingly connected to the accommodating groove;
a buffer block, wherein the buffer block is disposed in the accommodating groove on the first surface, and the buffer block passes completely through the through hole of the flexible circuit board; and the buffer block has a buffer support surface that protrudes from the flexible circuit board; and
a pressing assembly, wherein the pressing assembly comprises a keycap, a support mechanism, and a connecting rod, the keycap is movably supported on the support plate by using the support mechanism in a manner that the keycap is able to be pressed or rebound, and the connecting rod is connected to the keycap, and at least a part of the connecting rod corresponds to the buffer block.