Claims
- 1. A stud and stud retaining fastener assembly for retaining a stud to a member having an opening therethrough for receipt of said stud, said assembly comprising:
- An axially extending stud having a generally cross-sectionally circular shank having an axial length sufficient to extend from one side of said member when inserted through said opening from the other side of said member; and
- a one-piece, stamped, sheet metal stud retaining fastener of substantially uniform thickness throughout and having an aperture surrounded by a continuous generally dome-shaped impression generally coaxial with the aperture, said aperture defined by continuous surrounding annular end surface of said impression having a relatively smooth continuous edge of smaller diameter frictionally engaging the stud shank and a generally burred edge of larger diameter normally not in contact with the stud shank, said retainer made by the method of;
- providing a sheet metal blank of substantially uniform thickness,
- piercing said blank from one side with a punching tool to provide the aperture, and
- forming the dome-shaped impression by striking said blank with a dome-shaped forming tool from said one side generally coaxial with the aperture whilst maintaining the substantially uniform thickness throughout.
Parent Case Info
This application is a continuation of application Ser. No. 013,173, filed 2/9/87, now abandoned, which is a continuation of Ser. No. 507,996, filed 6/27/83, now abandoned, which is a continuation of Ser. No. 288,276, filed 7/30/81, now abandoned, which is a continuation of Ser. No. 793,338, filed 5/3/77, now abandoned.
US Referenced Citations (6)
Continuations (4)
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Number |
Date |
Country |
Parent |
13173 |
Feb 1987 |
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Parent |
507996 |
Jun 1983 |
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Parent |
288276 |
Jul 1981 |
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Parent |
793338 |
May 1977 |
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