Patent · US Active

System for unloading items

US9517899B2 · kind B2 · utility

33Cited by

13References

18Claims

0Family size

Assignee

AMAZON TECHNOLOGIES, INC. · US

Inventors

William J. Watt · Wakefield, US
Timothy Bragg · Winterport, US
Andrew Stubbs · Somerville, US
Matthew David Verminski · Cambridge, US
John P. Dugan · Cincinnati, US

Key dates

Filing date	May 16, 2013
Grant date	Dec 13, 2016
Priority date	—
Expiry date	Jul 31, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65G67/26
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A system for unloading inventory items includes an inventory holder, an unloading station, and a mobile drive unit. The inventory holder stores inventory items. The unloading station includes a barrier that is operable to prevent inventory items from moving past the barrier as the inventory holder moves past the barrier. The mobile drive unit is operable to move the inventory holder toward the unloading station and to move the inventory holder past the barrier.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.