Habe zwar die Situation nicht gesehen, aber denke es ist ok mit der Strafe
ii.) If a player chases an opponent who is in possession of the puck and lunges along the ice, knocking the puck away with his stick and subsequently causing that player to fall, no penalty will be assessed.
iii.) A player in Rule 167-ii who fails to make contact first with the puck,and causes the opponent to fall, will be assessed a minor penalty for tripping.