Supports – Brackets – Shelf or scaffold type
Patent
1974-03-07
1976-05-04
Schultz, William H.
Supports
Brackets
Shelf or scaffold type
248223, F16M 1300
Patent
active
039542432
ABSTRACT:
A one piece plastic fastener for supporting secondary members relative to a thin panel in a shouldered non-circular aperture. The fastener provides a wide distribution of stress loading by a large hook-like prong which is rotated into contact with the backside of the panel by telescoping it through the aperture until the head covers the aperture. A resilient arm extends from the prong into engagement with the edge of the non-circular aperture to prevent unintentional retrograde motion of the fastener. The fastener can be removed, if desired, by introduction of a thin member under the head to unseat the resilient arm.
REFERENCES:
patent: 1204858 (1916-11-01), Gert
patent: 2498842 (1950-02-01), Kuenne
patent: 2542753 (1951-02-01), DeSuart
patent: 2927956 (1966-03-01), Reisch
patent: 3414686 (1968-12-01), Reinthaler
patent: 3628762 (1971-12-01), Williams
Sharp Larry L.
Smrz Joseph
Beart Robert W.
Halvorsen Jack R.
Illinois Tool Works Inc.
Schultz William H.
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