Cast artifact handling assembly

Details Cast artifact handling assembly Cast artifact handling assembly

1996-03-25

1998-03-31

Kramer, Dean

Handling: hand and hoist-line implements

Grapple

Lewises

294 11, 521255, 52705, B66C 166

Patent

active

057329915

ABSTRACT:
A concrete artifact handling assembly which includes a threaded socket embedded and anchored in the concrete artifact at least three diameters below the surface thereof, and a safety hoist ring threadably received in the threaded socket and snugged down against the face of the artifact. The thread element of the socket generally having a round thread form.

REFERENCES:
patent: 806408 (1905-12-01), Farrington
patent: 938073 (1909-10-01), Percival
patent: 1311646 (1919-07-01), Gordon
patent: 2674485 (1954-04-01), Jamison
patent: 3456547 (1969-07-01), Strong
patent: 3561307 (1971-02-01), Aackersberg
patent: 4615554 (1986-10-01), Schilla et al.

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