Title:
MOBILE DRIVE UNIT HAVING A CONVEYOR MODULE
Document Type and Number:
WIPO Patent Application WO/2019/183220
Kind Code:
A3
Abstract:
A mobile drive unit comprising: a front chassis unit including a pair of mid-chassis drive wheel assemblies and a front caster wheel mounted on a front chassis base; a rear chassis unit including a rear caster assembly mounted on the rear chassis base; a pivotal connection between the rear chassis base and the front chassis base; a front support structure mounted on the front chassis base; a rear support structure pivotally mounted on the rear chassis base; a payload housing pivotally mounted on the front support structure and the rear support structure; a conveyor belt assembly mounted on the payload housing, the conveyor belt assembly comprising a conveyor belt powered by a conveyor motor; a payload detection sensor mounted on the payload housing; a controller communicatively coupled to the payload detection sensor; memory storing instructions that cause the controller to effectuate operations, the operations comprising: detecting that a package on the conveyor belt assembly is within a threshold distance from an edge of the conveyor belt; and operating the conveyor motor to cause the conveyor belt to move the package away from the edge of the conveyor belt.
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Inventors:
PAJEVIC DRAGAN (US)
CAMPBELL STEPHEN (US)
COLANTONIO PETER (US)
GUERIN DAVID (US)
JONAS JUDE (US)
TRENHOLME KEVIN (US)
CAMPBELL STEPHEN (US)
COLANTONIO PETER (US)
GUERIN DAVID (US)
JONAS JUDE (US)
TRENHOLME KEVIN (US)
Application Number:
PCT/US2019/023163
Publication Date:
October 31, 2019
Filing Date:
March 20, 2019
Export Citation:
Assignee:
AMAZON TECH INC (US)
International Classes:
B60P1/64; B60G3/02; B62D37/00; B65G41/00
Foreign References:
| US20180072212A1 | 2018-03-15 | |||
| CN202093393U | 2011-12-28 | |||
| KR101793932B1 | 2017-11-07 | |||
| US20160167888A1 | 2016-06-16 | |||
| FR3042183A1 | 2017-04-14 | |||
| US9707879B2 | 2017-07-18 |
Attorney, Agent or Firm:
WEISENBERGER, Theresa, M. et al. (US)
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