US 12,110,181 B1
Item retrieval system
William Scott Kalm, Seattle, WA (US); and Matthew Roy Gardner, Seattle, WA (US)
Assigned to Amazon Technologies, Inc., Seattle, WA (US)
Filed by Amazon Technologies, Inc., Seattle, WA (US)
Filed on Aug. 10, 2021, as Appl. No. 17/398,721.
Int. Cl. B65G 1/127 (2006.01); B65G 35/06 (2006.01); B65G 35/08 (2006.01); B60P 3/00 (2006.01); B65G 1/04 (2006.01)
CPC B65G 1/127 (2013.01) [B65G 35/06 (2013.01); B65G 35/08 (2013.01); B60P 3/007 (2013.01); B65G 1/0478 (2013.01); B65G 1/0485 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An item retrieval system positionable in a trailer, the item retrieval system comprising:
a carrier comprising one or more receiving areas for receiving an item container;
a support defining a continuous pathway configured to support the carrier, the continuous pathway comprising an upper portion, a lower portion, and a curved end portion coupling the upper and lower portions; and
an advancement mechanism coupled with the support and comprising a rotatable disk and an extendable arm coupled with the rotatable disk, the rotatable disk comprising one or more notches and configured to rotate to cause both engagement of the extendable arm with a first portion of the carrier and receipt of a second portion of the carrier by at least one notch of the one or more notches to advance the carrier along the continuous pathway to move the carrier between the upper and lower portions.