mechanical system for automatic adjustment of the game (10) of the type comprising a screw (24) in the form of a net and downs, passing through a housing (22) threaded internally on the sides of passage (38, 40), under the action of springs (26) oriented axially.the screw (24) which are corrugated sides of block (42) able to establish a block cooperating with the continuous sidewalls (44) of the housing. the control system (10) is intended to be used in a process for application of valves in an internal combustion engine.
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