SMOKING ARTICLE AND ITS MANUFACTURING METHOD Russian patent published in 2016 - IPC A24D3/04 

FIELD: tobacco industry.

SUBSTANCE: invention relates to a smoking article, comprising a first part, a second part movable relative to first part, and an indexing mechanism comprising a first indexing surface on one of first part or second part, and a second indexing surface on other of first and second parts, wherein second indexing surface is configured to engage with first indexing surface to control relative movement between first part and second part and second indexing surface comprises at least one pawl, having one or more upward protruding sections of sheet material.

EFFECT: technical result is providing discrete change of ventilation of smoking article.

24 cl, 59 dwg