portions 44a and 44b and an outwardly toothed bight portion 44c free end portions of legs 44a and 44b have inwardly extending knob portions 44d and 44e received in hole 12e of web 12a the inner side of bight portion 44c engages web portion 12a at edge portion 12g adjacent ledge 12f thereon and extending to notch 12c projection 38e of lever 38 normally extends with clearance into hole 10d of web 10a as best shown in fig1 and 2 arm 38c normally engages web 10a and the projection 38e is normally a defined distance x fig2 from the corresponding portion of the web 10a defining hole 10d the outer end portion 38f of the lever 38 is reversely curved as best shown in fig5 for reception of a cable 56 fig2 having an enlarged end 56a anchored in place by a spring 58 in a conventional manner a rubber boot 60 seals opening 14f in backing plate 14 through which lever 38 extends the opposite end of cable 56 is connected to a lever mechanism not shown manually operable by a driver of the vehicle upon normal operation of the parking brake the cable 56 will be moved to the right as viewed in fig2 lever 38 will thus be pivoted clockwise about rivet 50 overcoming the force of the spring.