Patent ID: 6276666
Filing Date: 2001-08-21
Classification: B66C

Abstract:
An apparatus for moving a load, comprising:a boom having a lower end and an upper end;a base having a front end and a rear end, the front end of the base being pivotably connected to the lower end of the boom along a pivot axis, wherein a lower surface of the base rests on a support surface while a load is being moved;a first restricting mechanism for restricting relative movement between the boom and the base about the pivot axis beyond a first position;a second restricting mechanism for restricting the relative movement between the boom and the base about the pivot axis beyond a second position, the second position being different from the first position;a pulley mechanism disposed proximal to the upper end of the boom; anda rope having a load end, the load end of the rope being for attaching to the load, the rope being threaded through the pulley mechanism;wherein an attached load is lifted when the rope travels in a lifting direction through the pulley mechanism and the attached load is lowered when the rope moves in a lowering direction, which is opposite of the lifting direction, through the pulley mechanism, andwherein the boom is freely pivotable between the first position and the second position.