Brake and steering knuckle apparatus

Claim 1

A mounting system for a caliper brake housing to be attached to a vehicle comprising: a plurality of arms mounted within said vehicle, said arms having a first fixed end firmly attached to said vehicle and a second free end juxtaposed the caliper housing, said free end of said arm having a boss thereon, the boss containing a threaded aperture; projections extending from said caliper housing, said projections having a bore therethrough, the bore in said projection being axially aligned with the bore of a complementary arm, a polymeric sleeve disposed within the projection bore, said sleeve having a first internal diameter located at the end of the polymeric sleeve nearest the boss and a second diameter larger than the first diameter through the remainder of the polymeric sleeve; a stud having a threaded portion with an external diameter smaller than the first diameter of said polymeric sleeve and adapted to engage the threaded bore in said boss, a second enlarged smooth shaft section having a diameter with an interference fit with the first diameter section of said sleeve and forming a shoulder with said threaded section the shoulder being drawn into engagement with said boss when said threaded portion is tightened in said threaded bore, a third raised portion on the stud near the end of the stud distal the boss, said third raised portion forming an interference fit with said second larger diameter portion of said polymeric sleeve, said stud providing an axial slide means for said caliper housing with substantially no circumferential or radial displacement.