RACK OPENING DEVICE WITH POSSIBLE MISALIGNMENT

摘要

P The present invention relates to a device for opening a movable chassis relative to a fixed frame, which consists of at least one rack (3) and at least one toothed and driving wheel. apart from the rack (3) has a succession of round holes. On the other hand, the wheel (4) comprises coaches (7) of round cross section. Each coach (7) can mesh each hole (5). The invention finds a preferential application in the mechanical equipment of greenhouses. /P