Lobed fastener

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Description

FIG. 1 is a bottom front isometric perspective view of the lobed fastener of the present invention;

FIG. 2 is a side elevational view thereof with the opposite and adjacent sides being identical in appearance; and,

FIG. 3 is a bottom plan view thereof.

The broken line showing of a bolt fastener is for illustrative purposes only and forms no part of the claim design.

Referenced Cited
Other references
  • Outwater Plastics, p. 303, cap glide lobes in center of page, Jul. 1983. Machine Design, p. 185 locknut,located at right of page, Mar. 1963. Machine Design, p. 325, bolt item A located at right of page, Mar. 1963.
Patent History
Patent number: D423341
Type: Grant
Filed: Sep 29, 1997
Date of Patent: Apr 25, 2000
Assignee: Penn Engineering & Manufacturing Corp. (Danboro, PA)
Inventor: Kenneth A. Swanstrom (Doylestown, PA)
Primary Examiner: Holly Baynham
Attorney: Gregory J. Gore
Application Number: 0/77,633
Classifications
Current U.S. Class: D/8387
International Classification: 0808;