Clamping and sealing element for belt tensioner of belt drive of internal combustion engine, has arrangement of leaf springs and is arranged in annular housing with axle, where housing has lever arm on whose end tensioner pulley is arranged

摘要

The clamping and sealing element (1) has an arrangement of leaf spring (6) and is arranged in an annular housing (3) with an axle (4). The housing has a lever arm on whose end a tensioner pulley is pivotably arranged. Shank ends (7,8) are fixed tangentially with the leaf spring on an inner shell (9) of the housing. A central section (10) of the leaf spring is slidably supported on a polygon (11) connected with the axle in rotary and torque proof manner and is clamped by a cam (12) molded at the polygon.