US 12,445,780 B2
Application device
Chunfa Liu, Shandong (CN); Jianbin Yang, Shandong (CN); Jianxin Wang, Shandong (CN); and Shousong Qiang, Shandong (CN)
Assigned to GOERTEK INC., Weifang (CN)
Appl. No. 17/999,880
Filed by GOERTEK INC., Shandong (CN)
PCT Filed Nov. 7, 2020, PCT No. PCT/CN2020/127328
§ 371(c)(1), (2) Date Nov. 25, 2022,
PCT Pub. No. WO2021/238075, PCT Pub. Date Dec. 2, 2021.
Claims priority of application No. 202010458488.8 (CN), filed on May 25, 2020.
Prior Publication US 2023/0247365 A1, Aug. 3, 2023
Int. Cl. H04R 9/04 (2006.01); H04R 7/04 (2006.01); H04R 9/06 (2006.01); H04R 9/02 (2006.01)
CPC H04R 9/043 (2013.01) [H04R 7/04 (2013.01); H04R 9/06 (2013.01); H04R 9/025 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An application device comprising a plurality of elastic members, each elastic member comprises a first connecting portion, a second connecting portion and a deformation portion between the first connecting portion and the second connecting portion,
wherein the first connecting portion and the second connecting portion are respectively connected to different members in the application device, and the different members are movable relative to each other, or the different members are fixed relative to each other,
wherein the deformation portion comprises a first end connected to one of the first connecting portion and the second connecting portion, and a second end connected to the other one of the first connecting portion and the second connecting portion,
wherein the deformation portion is formed by extending from the first end to the second end in a curve in the same direction or in different directions, and
wherein a cross-sectional size of at least one of the elastic members is larger than a cross-sectional size of remaining elastic member, and/or at least one of the elastic members has at least two cross sections having different sizes.