In combination, a connecting means for chutes of a mining chain and flight conveyor, comprising a locking yoke, mounted to the side wall of the end portion of one of the chutes to be connected together, and a catch yoke fixed to the side wall of the end portion of the second of the chutes to be connected and protruding towards the first chute and beyond the edge of said chute to which it is mounted, and a connecting link, said connecting link being shaped to provide on both ends respective flanged shoulders forming a catch end and a locking end, which connecting link is adapted to be placed in corresponding seats formed in said yokes, said catch yoke having a wall limiting the length of the seat for said catch end and which wall has a substantial inclination increasing the length of that seat towards its inside, said locking yoke having a wall limiting the length of the corresponding seat for said locking end and which wall has a small inclination slightly increasing the length of said seat towards its inside, part of the face portion of said catch end of the connecting link having an inclination of a selected size and convergence which corresponds to the inclination of the catch yoke wall limiting the length of the seat of the catch yoke, said locking end of the connecting link being provided with a through hole having a longitudinal axis which is parallel to the side wall of the conveyor chute, an elastic protective shaped link being mounted by a force fit in said locking end through hole, such that one end part of the elastic link is inserted in the hole while the other part, shaped in a form of hammer head, engages said wall limiting the length of locking yoke seat, the summary total outside length of said seats of the both yokes being smaller than the length of the shaped connecting member.