Concrete anchor

Details Concrete anchor Concrete anchor

1978-11-17

1980-07-08

Murtagh, John E.

Static structures (e.g., buildings)

Assembled in situ-type anchor or tie

With feature engaging form

85 32R, E04B 141

Patent

active

042110483

ABSTRACT:
An anchor which is embedded in a concrete ceiling for suspension of a ceiling panel, electrical wiring pipe or air conditioning duct or the like comprises a metallic suspension member and a support member formed of a synthetic resin material. The suspension member includes a cylindrical body which is open at its lower end and having an axial threaded bore, a circular head flange on the top end of the body, and a plurality of needles having their one end secured to said flange and extending downwardly in parallel and spaced relationship with the body. The support member includes a sleeve surrounding the body and a pedestal extending from the lower end of the sleeve in radially outward direction. The pedestal is formed with a plurality of openings which receive the needles, the needles passing through the corresponding openings to the lower side thereof.

REFERENCES:
patent: 803089 (1905-10-01), Bigelow
patent: 1837930 (1931-12-01), Waite
patent: 1940545 (1933-12-01), Holmes
patent: 3405497 (1968-10-01), McNair
patent: 3514917 (1970-06-01), Merrill

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