ASME B30.20-2006 pdf download.Below-the-Hook Lifting Devices. ingot turnover grab: a manipulating lifter [Fig. 4, sketch (e)]. latch: a device for holding a lifter in the open or closed position. latch, automatic: a sequencing latch mechanism operated by lifter motion. lifting beam (spreader beam): a load-supporting lifter [see Fig. 5, sketch (a)]. lock bar sheet lifter: a supporting lifter [see Fig....