Patent ID: 8465243

Claim:
A storage apparatus comprising: a rack of storage bins; and a pick head including: a platform having a cam with a leading portion and an opposing trailing portion; a pick head drive unit to drive the pick head to an access location corresponding to a selected said storage bin having a floor for supporting a package having a leading portion and an opposing trailing portion, and a scissors-type telescopic drive unit to drive the platform by telescoping into the selected said storage bin in the rack from the access location, wherein: the leading portion of the cam progressively tilts the leading portion of the package away from and off of the floor in the selected said storage bin as the leading portion of the cam progressively telescopes into the selected said storage bin under the package; the trailing portion of the cam progressively tilts the trailing portion of the package towards and back on to the floor in the selected said storage bin as the trailing portion of the cam progressively telescopes under and past the trailing portion of the package; and the scissors-type telescopic drive unit drives the platform by telescoping out of the selected said storage bin in the rack from the access location such that the trailing portion of the cam engages the trailing portion of the package to drag the package on the floor out of the selected said storage bin.