Low profile panel fastener
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FIG. 1 is a top and front perspective view of the low profile panel fastener showing my new design, the screw being shown biased to its upwardmost position by the spring;
FIG. 2 is a front view thereof the back view thereof being substantially the same but with the spring appropriately sloped;
FIG. 3 is a righthand side view thereof, the lefthand side view thereof being substantially the same except for the bottom termination of the spring;
FIG. 4 is a view similar to FIG. 2, but showing the screw fully seated against the retainer;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof; and
FIG. 7 is a top and front perspective view of a second embodiment of the design of FIG. 1, the only differences being the angled knurl and the annular groove around the retainer.
| 3346032 | October 1967 | Gulistan |
| 3437119 | April 1969 | Dey |
| 3465803 | September 1969 | Ernest et al. |
| 0766082 | August 1967 | CAX |
- Southco Fastener Cat., .COPYRGT.1967, p. 4, Knurled Insert No. 71.
Type: Grant
Filed: Oct 14, 1983
Date of Patent: Apr 29, 1986
Assignee: Penn Engineering & Manufacturing Corp. (Danboro, PA)
Inventor: Kenneth A. Swanstrom (Buckingham Township, Bucks County, PA)
Primary Examiner: B. J. Bullock
Attorney: Gregory J. Gore
Application Number: 6/542,042
