Expansion core anchor

Details Expansion core anchor Expansion core anchor

1977-10-13

1980-01-08

Bonck, Rodney H.

F16B 1304

Patent

active

041822188

ABSTRACT:
An expansion core anchor comprising a cylindrical body having a head and a crural end, the head having an axial bore drilled into it wherein is lodged an expansion core, and at least one longitudinal slot formed in the crural end and defining therein two legs which are deformable upon driving-in of the expansion core. The slot is provided with at least a pair of internal projections, respectively adjacent two slot longitudinal edges situated on either side of the axial plane perpendicular to the slot median plane, for guiding the expansion core during driving thereof.

REFERENCES:
patent: 1499072 (1924-06-01), Pleister
patent: 1580569 (1926-04-01), Pleister et al.
patent: 2404928 (1946-07-01), Schutton
patent: 2601803 (1952-07-01), Newman
patent: 3171321 (1965-03-01), Fischer
patent: 4002100 (1977-01-01), Bucheli

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