trunk lid 17 the trunk 12 can be selectively opened and closed by the trunk lid 17 the crane 10 generally comprises a column assembly 20 a winch assembly 21 a boom assembly 22 and base means 23 the column assembly 20 has a lower end 25 and an upper end 26 and column height adjustment means the column assembly 20 is removably and pivotally mounted between the trunk floor and the opened trunk lid 17 and further includes a column member 27 an elongating subassembly 28 and a lower or column member sleeve 29 the column member 27 is generally linear the elongating subassembly 28 includes an upper sleeve or elongating member 35 which has a bolt receiving hole 36 passing through it and is hollowly constructed to slidably receive the upper portion of the column member 27 the elongating subassembly 28 further includes a nut 38 welded to the upper sleeve 35 in alignment with the bolt receiving hole 36 a wing bolt 39 is threadably received in the nut 38 and extends through the bolt receiving hole 36 for impinging upon the column member 27 by tightening the wing bolt 39 the upper sleeve 35 can be fixed in position on the member 27 this arrangement fixedly maintains the relative position between the elongating member 35 and the column member 27 at selected points along the column member 27 as the relative position is changed the column assembly 20 can be telescopically lengthened and shortened the elongating member 35 includes a top end 37 which is mounted by a cap having a top pivot pin 43 which rotably engages and disengages a top pivot pin receiving hole 44 in the trunk lid 17 as the elongating subassembly 28 is lengthened and shortened respectively as.