Buffer carts with articulating floors

A buffer cart comprising:

• a front wall;
• an access door configured to slide vertically with respect to the front wall;
• a first floor portion coupled to the front wall, the first floor portion comprising a slot formed along a lateral side of the first floor portion, wherein the first floor portion is configured to pivot with respect to the front wall;
• a second floor portion coupled to the first floor portion, the second floor portion configured to slide along the slot of the first floor portion, wherein the first floor portion and the second floor portion together form an angled ramp for packages that are associated with a pallet;
• a scissor mechanism coupled to the second floor portion and configured to move the second floor portion from a first vertical position to a second vertical position;
• and
• a hydraulic drive system configured to drive the scissor mechanism;
• wherein the hydraulic drive system is configured to drive the scissor mechanism downwards as packages are placed into the buffer cart, and upwards as packages are removed from the buffer cart.