US Patent 10440987 Device for automatically detruding cigarette butt

A device for automatically detruding a cigarette butt includes a cigarette clamp, a cigarette fixer, a support ring, a cigarette butt detruding sliding ring, an air outlet end housing, a metal gasket, and a spring. After the cigarette is burnt and smoked, the cigarette butts can be detruded without the necessity of contacting the cigarette butts by hands in a low-resistance state.