A method and apparatus are provided for sorting or retrieving items to/from a plurality of destinations areas. The items are loaded onto one of a plurality of independently controlled delivery vehicles. The delivery vehicles follow a track that guides the delivery vehicles to/from the destination areas, which are positioned along the track. Once at the appropriate destination area, an item is transferred between the delivery vehicle and the destination area.

A method and apparatus are provided for sorting or retrieving items to/from a plurality of destinations areas. The items are loaded onto one of a plurality of independently controlled delivery vehicles. The delivery vehicles follow a track that guides the delivery vehicles to/from the destination areas, which are positioned along the track. Once at the appropriate destination area, an item is transferred between the delivery vehicle and the destination area.

A method and apparatus are provided for sorting or retrieving items to/from a plurality of destinations areas. The items are loaded onto one of a plurality of independently controlled delivery vehicles. The delivery vehicles follow a track that guides the delivery vehicles to/from the destination areas, which are positioned along the track. Once at the appropriate destination area, an item is transferred between the delivery vehicle and the destination area.

A method and apparatus are provided for sorting or retrieving items to/from a plurality of destinations areas. The items are loaded onto one of a plurality of independently controlled delivery vehicles. The delivery vehicles follow a track that guides the delivery vehicles to/from the destination areas, which are positioned along the track. Once at the appropriate destination area, an item is transferred between the delivery vehicle and the destination area.

A track system may include a track assembly and a support assembly. A track assembly may include a toothed portion. The support assembly may include a support member removable from and adjustably connected to the track assembly. The toothed portion may include a plurality of track teeth. The support member may include an adjuster pinion. The adjuster pinion may include a plurality of pinion teeth configured to engage the plurality of track teeth. The adjuster pinion may be adjustable to an engaged position in which the adjuster pinion and the toothed portion are engaged with one another. The adjuster pinion may be adjustable to a disengaged position in which the adjuster pinion and the toothed portion are not engaged with one another.

A track system may include a track assembly and a support assembly. A track assembly may include a toothed portion. The support assembly may include a support member removable from and adjustably connected to the track assembly. The toothed portion may include a plurality of track teeth. The support member may include an adjuster pinion. The adjuster pinion may include a plurality of pinion teeth configured to engage the plurality of track teeth. The adjuster pinion may be adjustable to an engaged position in which the adjuster pinion and the toothed portion are engaged with one another. The adjuster pinion may be adjustable to a disengaged position in which the adjuster pinion and the toothed portion are not engaged with one another.