Hollow wall anchor

Details Hollow wall anchor Hollow wall anchor

1982-09-27

1985-02-19

Holko, Thomas J.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

With hole forming means

411 61, 411346, F16B 1304

Patent

active

045002380

ABSTRACT:
A fastener useful for securing articles on a hollow wall, made of a thin sheet of metal, shaped as to provide two spreadable pointed thin blades for easy insertion into a wall where after the blades are spread apart by the insertion of a screw to form an anchor resisting withdrawal.

REFERENCES:
patent: 1295734 (1919-02-01), Greubel
patent: 1336162 (1920-04-01), Royer et al.
patent: 2296046 (1942-09-01), Miller
patent: 2396501 (1946-03-01), Gibson
patent: 2601803 (1952-07-01), Newman
patent: 2745308 (1956-05-01), Gisondi
patent: 3148579 (1964-09-01), Giovannetti
patent: 3431813 (1969-03-01), Johnson
patent: 3550499 (1970-12-01), Ellenberger
patent: 3919916 (1975-11-01), Alexander
patent: 4009634 (1977-03-01), Barmore
patent: 4300865 (1981-11-01), Murray
patent: 4354782 (1982-10-01), Newport

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