Wall fastener structure

Details Wall fastener structure Wall fastener structure

1978-05-05

1980-11-18

Holko, Thomas J.

85 5P, 85 83, 24221R, F16B 1310

Patent

active

042338816

ABSTRACT:
A wall fastener structure which is particularly adapted for use with plasterboard walls can be constructed so as to use an expansion member and an expanding member. The expansion member is preferably a unitary article formed out of a somewhat resilient polymer material so as to include a sleeve, a flange extending outwardly from one end of the sleeve, and two arms extending outwardly from the other end of the sleeve. These arms are internally dimensioned so that a blade like shank on the expanding member may be inserted and twisted so as to cam or force outwardly the arms into engagement with the interior of a hole in a wall in a similar structure. The expanding member also includes a head limiting the amount that it can be inserted into the expansion member.

REFERENCES:
patent: 822769 (1906-06-01), Quist
patent: 3319510 (1967-05-01), Rapata
patent: 3406431 (1968-10-01), Armstrong et al.
patent: 3461772 (1969-08-01), Barry
patent: 3548705 (1970-12-01), Nasser
patent: 3765295 (1973-10-01), Ptak
patent: 3927597 (1975-12-01), Stults et al.
patent: 4007516 (1977-02-01), Coules
"Engineers Illustrated Thesaurus," by Herkimer, William Penn Pub. Corp., N. Y., N. Y. copy, 1952 pp. 4 and 5.

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