公开(公告)号：US10647366B2

公开(公告)日：2020-05-12

申请号：US14267585

申请日：2014-05-01

Applicant: Dyson Technology Limited

Inventor： James Dyson ,  Peter David Gammack ,  Mark Stamford Vanderstegen-Drake ,  Paul Joshua Bott

IPC: B62D55/075 ,  A47L9/00 ,  B60L15/20 ,  B60L1/00 ,  B60L58/12 ,  B60L50/52 ,  B60L53/14

Abstract: An autonomous surface treating appliance comprising a chassis having a drive arrangement and a control system interfaced to the drive arrangement so as enable control of the appliance across a surface to be treated, wherein the drive arrangement comprises at least one traction unit, each traction unit comprising a surface-engaging track constrained around a leading wheel and a trailing wheel, the leading wheel and the trailing wheel being arranged so that a track portion opposing the floor surface and extending between the leading and trailing wheels defines a ramped climbing surface.