PA Electric Winch Scaffold Electric Hoist Frame

Hoist frame is a type of crane where a horizontal member (jib or boom), supporting a moveable hoist, is fixed to a wall or to a floor-mounted pillar. Hoist Frame are used in industrial premises, workshop and on other vehicles.
Electric motor free mounted jib crane may swing through an arc, to give additional lateral movement, or be fixed. Similar cranes, often known simply as hoists, were fitted on the top floor of warehouse buildings to enable goods to be lifted to all floors.