US Patent 11102563 Attachment mechanism for eartips

Embodiments describe an attachment mechanism including a wire bent in various directions forming a spring compressible in lateral directions. The wire includes a first wireform feature and a second wireform feature extending from the first wireform feature, where the first wireform feature and the second wireform feature each include: an intermediate segment; a u-shaped segment extending from the intermediate segment; and an end segment extending from the u-shaped segment.