Patent ID: 6637553
Filing Date: 2003-10-28
Classification: F16D

Abstract:
A vehicle drum-in-hat disc brake assembly mounting stud retention system comprising:a backing plate adapted to support a drum brake shoe assembly of a drum-in-hat parking and emergency brake portion of the drum-in-hat disc brake assembly, said backing plate having a centrally located aperture and a plurality of first openings formed therein about said centrally located aperture thereof and a plurality of second openings formed therein, each of said first openings having at least one raised tab provided thereon adjacent said opening; a drum-in-hat adapter adapted to support a disc service brake portion of the drum-in-hat disc brake assembly, said drum-in-hat adapter having a centrally located aperture and a plurality of openings adapted to be aligned with said first openings of said backing plate; a fastener extending through each of said second openings of said backing plate and into said drum-in-hat adapter to thereby secure said backing plate to said drum-in-hat adapter; and a mounting stud disposed in and extending through each of said first openings of said backing plate and said openings of said drum-in-hat adapter to thereby secure said drum-in-hat adapter to an associated component of the vehicle; wherein said raised tab of said backing plate is operative to capture and retain said mounting stud in said openings of said backing plate and said drum-in-hat adapter prior to assembly of said vehicle drum-in-hat disc brake assembly to the vehicle.