Patent Publication Number: US-D344836-S

Title: Device for lifting tilt-up concrete walls with ground control release

Description:
FIG. 1 is a perspective view of a device for lifting tilt-up concrete walls with ground control release showing my new design, the broken line illustration of crane hook and concrete wall is for illustrative purposes only; 
     FIG. 2 is a perspective view of the device releasing the lifting pin from a tilt-up concrete wall; 
     FIG. 3 is a side elevational view of FIG. 1; 
     FIG. 4 is a side elevational view of FIG. 2; 
     FIG. 5 is an end elevational view of FIG. 1; 
     FIG. 6 is an end elevational view of FIG. 2; 
     FIG. 7 is a bottom plan view of FIG. 1; and, 
     FIG. 8 is a bottom plan view of FIG. 2.