CPC B60T 17/083 (2013.01) [B60T 17/085 (2013.01); B60T 17/088 (2013.01)] | 19 Claims |
1. An interface between an adapter push rod and a parking brake diaphragm seal comprising:
an axial projection of the push rod at one end of the push rod,
a thread extending axially between a free end of the projection and an abutment of the push rod formed at a junction of the projection and a remainder of the push rod,
a washer having an approximately conical wall extending radially inwardly from an outer circumference of the washer towards a central mounting connection of the washer, the central mounting connection having a radial flange and abutting the abutment when installed on the push rod,
a nut having a thread matching the thread extending axially between the free end of the projection and the abutment, and
a hardened element having an opening aligned axially with the axial projection, the opening in the hardened element receiving the projection,
wherein a circumferential groove defined in at least one side of the radial flange forms a seal location between the approximately conical wall and a remainder of the washer, and a portion of the diaphragm seal is pressed by the nut and the hardened element into the circumferential groove to produce a sealing bead.
|