1977-02-10
1978-10-17
Parsons, Jr., Marion
F16B 3704
Patent
active
041202317
ABSTRACT:
A hollow wall fastener for insertion in a hole formed in a wall panel between the inner and outer faces comprises an elongated body adapted for longitudinal insertion into the panel hole. The body includes a pair of spaced apart, parallel, legs interconnected by an integral transverse cross member. A toggle element is pivotally mounted adjacent inner end portions of the legs for movement about a transverse pivot axis between the legs. The toggle is pivotable from a first position aligned with the legs during insertion of the fastener and a second position generally normal to the legs wherein a face of the toggle element is adapted to bear against the inside surface of the wall after the element clears the hole on insertion. A deflectable finger is integrally formed on the transverse cross member and includes a free end portion extending between the legs for biasing the toggle element from the aligned position during insertion towards the toggle locking position after the toggle element has cleared the hole.
REFERENCES:
patent: 738660 (1903-09-01), Chittum
patent: 860636 (1907-07-01), Church
patent: 1040341 (1912-08-01), Jensen
patent: 2519511 (1950-08-01), Stelter
patent: 2609723 (1952-09-01), Stubbs
patent: 2908196 (1959-10-01), Apfelzweig
patent: 3605547 (1971-09-01), Millet
patent: 3707898 (1973-01-01), Holly
patent: 3927597 (1975-12-01), Stults
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