专利名称：Integral door knob assembly with spring
return
发明人：Rae Hartwell,Ian Garben申请号：US08/061219申请日：19930513公开号：US05316355A公开日：19940531
摘要：An integral door knob assembly for mounting on a face of a door has a springreturn so that the door knob rotates to one position when released. A shank formedintegral with or attached to the door knob is formed of plastic material eliminating therequirement of a separate plastic bushing in the rose member, and has flexible fingers toprovide a snap lock between a spring assembly member and the end of the shank tohold the knob assembly to the rose member. The spring assembly member is alsoformed of plastic material and has sufficient flexibility to allow a torsion spring to beinserted and removed.
申请人：MASCO CORPORATION OF INDIANA
代理人：Leon E. Redman,Malcolm L. Sutherland
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