发明名称 Method of manufacturing a fastener assembly with axially captivated washer
摘要 A preassembled fastener assembly having a washer axially captivated on a threaded screw. The washer includes an elongated cylindrical sleeve, a radially outwardly directed flange and at least two inwardly extending detents within the sleeve to yieldably engage a shoulder on the threaded screw to hold the parts together. The detents are provided with elongated flattened inwardly extending surfaces. When assembled, the screw tip extends substantially outward of the washer sleeve and beyond the grommet. Methods of forming the detents are disclosed.
申请公布号 US5711711(A) 申请公布日期 1998.01.27
申请号 US19950544451 申请日期 1995.11.17
申请人 CREST PRODUCTS, INC. 发明人 SCHMIDT, JR., RUDOLPH
分类号 F16B41/00;F16B43/00;(IPC1-7):B21D53/20 主分类号 F16B41/00
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