Patent ID: 6561936
Filing Date: 2003-05-13
Classification: B60R

Abstract:
A belt tensioner system comprising:a belt, a piston/cylinder unit having a piston and a cylinder, a drive for said piston/cylinder unit, a push rod directly connected with said piston/cylinder unit, and a deflection fitting with a keyhole opening, said push rod having a first end which is, at least in the case of restraint, directly connected with said belt, said first end of said push rod moving away from said cylinder on activation of said piston/cylinder unit, said push rod converting a movement brought about in said piston/cylinder unit into a displacement of said belt on activation of said drive, and said piston/cylinder unit, at an axial end remote from said push rod, having a mushroom-like projection which is arrested in said keyhole opening to fasten said piston/cylinder unit to said deflection fitting.