Patent ID: 7293668

Claim:
Portable boom lift apparatus comprising: a base having three or more support legs; a fulcrum mechanism configured to mount on said base; an elongate boom member detachably mounted on said fulcrum mechanism, said boom member including on one end thereof an elongate counterbalance arm configured for detachably mounting one or more weights, said boom member further including on the other end thereof an elongate lift ann configured for hoisting a load, said elongate boom member further including, intermediate and shorter relative to at least one of said elongate counterbalance arm and said elongate lift arm, a pivot member for pivotal engagement with said fulcrum mechanism, the fulcrum mechanism being configured with a plurality of opposing aligned holes for height adjustment of the pivot member relative to the fulcrum mechanism and corresponding opposing aligned holes provided through the pivot member to receive a slidingly inserted height-securing pin, a proximal end of said counterbalance arm and a distal end of said pivot arm being telescopically arranged with one coaxially sliding within the other and pinned together with pins slidingly inserted for quick but secure attachment and detachment, a proximal end of said lift arm and a distal end of said pivot arm also being telescopically arranged with one coaxially sliding within the other and pinned together with pins slidingly inserted for quick but secure attachment and detachment; said portable boom lift apparatus enabling lift and placement of the load by manual pivotal manipulation of said boom member.