Patent ID: 6526867
Filing Date: 2003-03-04
Classification: B60T,F16B,F16D,Y10S

Abstract:
A spring brake actuator comprising:a flange case of the two-chamber air brake actuator, said flange case having a radially outwardly extending annular flange; a head of the two-chamber air brake actuator, said head having a radially outwardly extending annular flange; an annular retaining member comprised of two halves, said annular retaining member including an annular peripheral groove therearound, and having first and second radially inwardly protruding portions, the first radially inwardly protruding portion engaging the annular flange of said head and having an inner diameter smaller than an outer diameter of the annular flange of said head, and the second radially inwardly protruding portion engaging the annular flange of said flange case and having an inner diameter smaller than an outer diameter of the annular flange of said flange case; and a retaining ring disposed within the annular peripheral groove of said annular retaining member, said retaining ring exerting compressive forces to hold the halves of said annular retaining member together to inhibit disassembly of said head and said flange case.