Patent ID: 8783960
Filing Date: 2014-07-22
Classification: F16C

Abstract:
1. A dust-proof housing device for a bearing assembly, comprising: a housing body including two housing-half walls, each of which has a central hole defining an axis, and an inner peripheral end surrounding said central hole; and a dust-proof cover having a fixing ring fitted in said inner peripheral end of at least one of said housing-half walls, and an annular flexible member secured to said fixing ring; said inner peripheral end including a stepped annular edge that interconnects outer and inner surfaces of a corresponding one of said housing-half walls, said stepped annular edge having an annular protrusion projecting into said central hole in proximity to said inner surface, a shoulder proximate to said outer surface, and a chamfer formed on said annular protrusion and proximate to said inner surface; and said fixing ring having a main body portion that has an L-shaped cross section and that is fitted in said stepped annular edge in a complementing manner, and a lip portion that projects from said main body portion and that engages said chamfer.