Patent ID: 8596700

Claim:
A bottom tool adapted to be used in the hoisting of a heavy object that includes a bottom mounting ring that is generally annular and lies within a bottom mounting ring plane, and an object axis that extends generally normal to said bottom mounting ring plane, said bottom tool comprising: a bottom mounting bracket and a bottom bail mounted to said bottom mounting bracket for pivoting movement through at least approximately 180 degrees generally around a bottom pivoting axis, and swiveling movement through a full bottom swiveling circle generally around a bottom swiveling axis to define a bottom approximately hemispherical shell, said bottom tool having a major axis, said bottom mounting bracket including bottom mounting holes extending therethrough and arrayed generally along said major axis, said bottom mounting holes including a slotted bottom mounting hole that is elongated generally along said major axis, and at least two generally annular bottom mounting holes, said bottom swiveling axis being adapted to extend generally parallel to said bottom mounting ring plane when said bottom tool is mounted to said bottom mounting ring.