Lift system for tilt-up walls

Details Lift system for tilt-up walls Lift system for tilt-up walls

1980-10-23

1983-01-11

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Lewises

521255, 294 83R, B66C 136, B66C 166

Patent

active

043678920

ABSTRACT:
A hoisting attachment for a tilt-up wall slab is provided with a remotely operable quick release mechanism which is under the control of the positional attitude of a hoisting cable-attached shackle. An improved assemblage of wall slab insert anchor, support stand for the insert anchor, and a recess former frictionally attached to the upper end of the anchor is also provided.

REFERENCES:
patent: 958978 (1910-05-01), Spencer
patent: 3883170 (1975-05-01), Fricker et al.
patent: 4173367 (1979-11-01), Haeussler
patent: 4173856 (1979-11-01), Fricker

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