An economical device to change the phase relationship of drive components is the Phas-Lok Adjusting Hub from Zero-Max (Minneapolis, MN). It provides stepless adjustment with a 12° range to compensate for timing changes caused by chain or tooth wear.
Marq's (Yakima, WA) New Style High-Performance Case Erector measures just 70" x 70". Lug drive system enables the machine to erect and seal stovepipe case styles where the case height exceeds the case length.
The "Elevayor" from Maryland Wire Belts (Church Creek, MD) is a patent-pending, small-footprint vertical transfer system designed to replace inclined straight conveyors when there is a need for space savings.
Machines in the 880 series of case palletizers from Alvey (St. Louis, MO) employ shaft-mounted drives to reduce the number of sprockets, chains, belts and takeups for such primary devices as the row pusher, apron and hoist.
Nolu Plastics (Aston, PA) has introduced a DOS-based interactive catalog that installs directly onto a standard hard drive. Displays component parts with engineering specifications and recommendations so that material handling, packaging, de-sign and maintenance engineers can select the proper components.