Carriage lift assembly for storage handling and article retrieval

A carriage lift assembly comprising:

• a mast member, wherein the mast member defines two or more guiding members;
• a top bearing assembly removably installed proximate a top section of the mast member, wherein the top bearing assembly comprises one or more sub-assemblies;
• a bottom bearing assembly removably installed proximate a bottom section of the mast member, wherein the bottom bearing assembly comprises one or more subassemblies;
• one or more belt members, wherein each belt member is configured to mate with the top bearing assembly and the bottom bearing assembly;
• one or more belt tensioner assemblies configured to provide tension in the one or more belt members, wherein the one or more belt tensioner assemblies comprising:
• a tensioner plate having a first surface and a second surface;
• a first clamping block coupled to the tensioner plate, wherein the first clamping block is operable to secure a first end of a belt member;
• a slidable plate member operably coupled to the tensioner plate, wherein the slidable plate member is operable to slide along a longitudinal axis of the tensioner plate;
• a second clamping block coupled to the slidable plate member,
• wherein the second clamping block is operable to secure a second end of a belt member, and
• wherein the first clamping block and the second clamping block are configured to provide an initial tension in the belt member;
• and
• wherein the slidable plate member is configured to move along the longitudinal axis of the tensioner plate to provide a final tension in the belt member.