Patent ID: 7798120

Claim:
A variable intake device for a multi-cylinder internal combustion engine, comprising: a pair of intake collectors respectively branching off branch pipes to cylinders; a partition which separates the intake collectors; a valve which connects the pair of intake collectors, wherein the valve is fitted onto the partition via a valve frame and a bearing boss provided on the valve frame, and one of the partition and the valve frame has a groove to engage with an edge of the other of the partition and the valve frame; and a pair of projections projecting from the groove against the edge on both sides of the bearing boss, wherein each of the projections comprises a pair of projecting members which are vertically spaced from one another to grip the edge therebetween vertically in a state where the groove is engaged with the edge and the pair of projecting members are deformed in a direction to be directed away from from each other in a state where the edge is gripped between the pair of projecting members.