Lifting anchor for embedment in concrete members

Static structures (e.g. – buildings) – With lifting or handling means for primary component or... – Construction or component having means to engage hand or...

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Details

521253, 521254, 52698, 52712, 52714, 52715, E04G 2116, E04H 1234

Patent

active

055968465

ABSTRACT:
An improved anchor for embedment in a concrete member to provide a lifting attachment for the member. The anchor comprises an elongate bar having convergent and divergent surfaces wherein the divergent surfaces face outwardly to direct axial pull-out forces imparted to the bar divergently and laterally into a concrete member within which the anchor is embedded. Divergent wings are fixed to and extend laterally from the bar to direct lateral forces imparted to the bar in divergent directions relative to the bar.

REFERENCES:
patent: 2886370 (1959-05-01), Liebert
patent: 3652118 (1972-03-01), Goldberg
patent: 3883170 (1975-05-01), Fricker et al.
patent: 4173856 (1979-11-01), Fricker
patent: 4296909 (1981-10-01), Haeussler
patent: 4367892 (1983-01-01), Holt
patent: 4580378 (1986-04-01), Kelly et al.
patent: 4702045 (1987-10-01), Fricker
patent: 4930269 (1990-06-01), Kelly et al.

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