A SMOKING ARTICLE

摘要

A smoking article, comprises a first and a second engaging surface (233a, 233b) spaced circumferentially, and a control element (250) movable between the first and second engaging surfaces. A ventilation area (270) is configured to be selectively covered by the movable control element. The control element comprises a first limiting edge configured to engage with the first engaging surface and a second limiting edge configured to engage with the second engaging surface to limit rotational movement.