PURPOSE: To eliminate the deterioration in the operation feeling of a door and the danger generating an abnormal noise, as well as to reduce the number of part items.

CONSTITUTION: In a door check link device in which a door check 1 made by superposing and housing a pair of guides 3 and 3 to a casing 2 is provided, and one end of an arm 18 pushed in between the pair of guides 3 and 3 is interlocked to the rear surface of a front pillar, projections 12 are provided on the side surface of the guides 3. On the side wall of the casing 2, projection engaging grooves 7 extending from the opening edge in the guide inserting direction are formed, and extensions 8 the projections 12 are engaged when the arm 18 is pushed in are formed to the projection engaging grooves 7.