Two in one mobile cleaning robot

Abstract

A mobile cleaning robot can include a body, a pad assembly, and a pad drive system. The pad assembly can be connected to the body and can be movable relative thereto. The pad drive system can be connected to the body and can be operable to move the pad assembly relative to the body between a stored position and a cleaning position.

1 . A mobile cleaning robot comprising:
 a body;   a pad assembly connected to the body and movable relative thereto, the pad assembly including a pad tray and a cleaning pad releasably secured to the pad tray; and   a pad drive system connected to the body and operable to move the pad assembly relative to the body between:
 a stored position located at least partially above a top surface of the body, at least a portion of the cleaning pad or the pad tray engaged with the top surface of the body in the stored position; and 
 a cleaning position located at least partially below a bottom surface the body. 
   
     
     
         2 . The mobile cleaning robot of  claim 1 , the pad assembly comprising:
 a pad tray configured to support a cleaning pad engageable with a floor surface;   pair of arms respectively connected to the pad tray and respectively connected to the pad drive system; and   a drive belt or chain connected to an arm.   
     
     
         3 . The mobile cleaning robot of  claim 2 , the pad drive system comprising:
 a pulley or sprocket connected to the body and rotatable relative thereto, the pulley or sprocket engaged with the drive belt or chain and operable to drive the drive belt or chain to move the arm.   
     
     
         4 . The mobile cleaning robot of  claim 3 , the pad drive system comprising:
 a guide connected to the body and defining at least a portion of a belt or chain track that at least partially surrounds at least a portion of the drive belt or chain.   
     
     
         5 . The mobile cleaning robot of  claim 4 , comprising:
 a belt or chain cover connected to the guide to cover at least a portion of the belt or chain track.   
     
     
         6 . The mobile cleaning robot of  claim 4 , wherein the guide defines an arm track supporting at least a portion of an individual one of the pair of arms at least partially within the arm track, the arm track configured to guide movement of the arm along the arm track to guide movement of the pad assembly between the stored position and the cleaning position. 
     
     
         7 . The mobile cleaning robot of  claim 6 , wherein the arm track extends beyond an end of the guide. 
     
     
         8 . The mobile cleaning robot of  claim 6 , wherein the arm track and the guide together define a trajectory of the pad assembly when the pad assembly moves between the stored position and the cleaning position. 
     
     
         9 . The mobile cleaning robot of  claim 3 , wherein the drive belt or chain includes a flexure supporting a plurality of teeth, the plurality of teeth engageable with recesses of the pulley or sprocket. 
     
     
         10 . The mobile cleaning robot of  claim 9 , wherein the drive belt or chain includes an arm connector in place of an individual tooth of the plurality of teeth of the drive belt or chain, the arm connector connected to the arm, and wherein the pulley or sprocket includes a notch configured to receive the arm connector or a tooth therein. 
     
     
         11 . The mobile cleaning robot of  claim 10 , wherein individual ones of the recesses of the pulley or sprocket are configured to receive individual ones of the plurality of teeth and not the arm connector. 
     
     
         12 . A mobile cleaning robot comprising:
 a body including a top portion and a bottom portion, the top portion including a storage surface;   a pad assembly connected to the body and movable relative thereto, the pad assembly including a pad tray and a cleaning pad releasably secured to the pad tray; and   a pad drive system connected to the body and operable to move the pad assembly relative to the body between:
 a stored position wherein at least a portion of the cleaning pad or at least a portion of the pad tray is engaged with the storage surface; and 
 a cleaning position located at least partially below the bottom portion of the body, the cleaning pad engageable with a floor surface in the cleaning position. 
   
     
     
         13 . The mobile cleaning robot of  claim 12 , the pad assembly comprising:
 a pad tray configured to support a cleaning pad engageable with a floor surface;   pair of arms respectively connected to the pad tray and respectively connected to the pad drive system; and   a drive belt or chain connected to an arm.   
     
     
         14 . The mobile cleaning robot of  claim 13 , the pad drive system comprising:
 a pulley or sprocket connected to the body and rotatable relative thereto, the pulley or sprocket engaged with the drive belt or chain and operable to drive the drive belt or chain to move the arm; and   a guide connected to the body and defining at least a portion of a belt or chain track that at least partially surrounds at least a portion of the drive belt or chain.   
     
     
         15 . A mobile cleaning robot comprising:
 a body;   a pair of drive wheels connected to the body and operable to move the body about a floor surface;   a pad tray configured to support a cleaning pad engageable with the floor surface;   an arm connected to the pad tray; and   a pad drive system connected to the body and connected to the arm, the pad drive system operable to move the arm and the pad tray relative to the body between:
 a stored position located above a top surface of the body; and 
 a cleaning position located below the body where the cleaning pad is engageable with the floor surface. 
   
     
     
         16 . The mobile cleaning robot of  claim 15 , the pad drive system comprising:
 a drive member connected to the arm; and   a pulley or sprocket connected to the body and rotatable relative thereto, the pulley or sprocket engaged with the drive member and operable to drive the drive member to move the arm.   
     
     
         17 . The mobile cleaning robot of  claim 16 , the pad drive system further comprising:
 a guide connected to the body and defining at least a portion of a track that at least partially surrounds at least a portion of the drive member.   
     
     
         18 . The mobile cleaning robot of  claim 17 , comprising:
 a cover connected to the guide to cover at least a portion of the track.   
     
     
         19 . The mobile cleaning robot of  claim 18 , wherein the guide defines an arm track supporting at least a portion of the arm. 
     
     
         20 . The mobile cleaning robot of  claim 16 , wherein the drive member is a drive belt or a drive chain.