Patent ID: 6513847
Filing Date: 2003-02-04
Classification: B66C

Abstract:
A block lifting device for lifting blocks having two vertically aligned holes formed therein, comprising:a. a lifting bar; b. at least one block lifting assembly, said block lifting assembly including two long segments, a transfer plate, two short connecting segments, and two connecting rods, said long segments being spaced apart and pivotally attached at an upper end to said lifting bar and pivotally attached at a lower end to said transfer plate, each said short connecting segment being pivotally attached at an upper end to said transfer plate and pivotally attached at a lower end to one said connecting rod, each said connecting rod including a plurality of gripping elements that grip the sides of a hole when said connecting rod is disposed therein and said lifting bar is lifted upward; and, c. means to connect said lifting bar to lifting equipment.