Robotic vacuum cleaning system

US8955192B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8955192-B2
Application numberUS-201414302469-A
CountryUS
Kind codeB2
Filing dateJun 12, 2014
Priority dateApr 29, 2011
Publication dateFeb 17, 2015
Grant dateFeb 17, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An autonomous coverage robot includes a cleaning assembly having forward roller and rearward rollers counter-rotating with respect to each other. The rollers are arranged to substantially maintain a cross sectional area between the two rollers yet permitting collapsing therebetween as large debris is passed. Each roller includes a resilient elastomer outer tube and a partially air-occupied inner resilient core configured to bias the outer tube to rebound. The core includes a hub and resilient spokes extending between the inner surface of the outer tube and the hub. The spokes suspend the outer tube to float about the hub and transfer torque from the hub to the outer tube while allowing the outer tube to momentarily deform or move offset from the hub during impact with debris larger than the cross sectional area between the two rollers.

First claim

Opening claim text (preview).

What is claimed is: 1. A resilient compressible roller for rotatable engagement with an autonomous coverage robot, the roller comprising: a resilient flexible tube having inner and outer surfaces and defining a longitudinal axis; a hub disposed within the tube along the longitudinal axis; a rigid drive shaft supporting the hub and rotatably attachable to the robot; resilient spokes extending between the inner surface of the tube and the hub, the spokes suspending the tube to…

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What does patent US8955192B2 cover?
An autonomous coverage robot includes a cleaning assembly having forward roller and rearward rollers counter-rotating with respect to each other. The rollers are arranged to substantially maintain a cross sectional area between the two rollers yet permitting collapsing therebetween as large debris is passed. Each roller includes a resilient elastomer outer tube and a partially air-occupied inne…
Who is the assignee on this patent?
Irobot Corp
What technology area does this patent fall under?
Primary CPC classification A47L9/0477. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Feb 17 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).