Surface-cleaning apparatus

Abstract

A surface-cleaning apparatus (1) includes: a main-body housing (2); a suction motor (6), which is housed in the main-body housing and is driven to recover a cleaning liquid from a surface of a cleaning target; a first tank (3), which houses the cleaning liquid to be supplied to the surface of the cleaning target; and a second tank (4), which houses the cleaning liquid recovered from the surface of the cleaning target. One tank of the first tank and the second tank is connected to an upper portion of the main-body housing. The other tank of the first tank and the second tank is connected to a lower portion of the main-body housing and has a lower surface (4A) that opposes a stationary surface on which the surface-cleaning apparatus is disposed.

1 . A surface-cleaning apparatus comprising:
 a main-body housing;   a suction motor, which is housed in the main-body housing;   a first tank configured to hold cleaning liquid to be supplied to a surface of a cleaning target; and   a second tank configured to hold cleaning liquid recovered from the surface of the cleaning target;   wherein:   the suction motor is drivable to recover the cleaning liquid from the surface of the cleaning target;   one tank of the first tank and the second tank is connected to an upper portion of the main-body housing; and   the other tank of the first tank and the second tank is connected to a lower portion of the main-body housing and has a lower surface configured to oppose a stationary surface on which the surface-cleaning apparatus is disposed.   
     
     
         2 . The surface-cleaning apparatus according to  claim 1 , wherein the first tank and the second tank:
 have respective longest dimensions extending in respective planes that are parallel to the lower surface; and   are intersected by a vertically-extending center axis of the main-body housing that is perpendicular to the respective planes.   
     
     
         3 . The surface-cleaning apparatus according to  claim 1 , comprising:
 a battery-mounting part disposed on the main-body housing and configured to detachably mount a battery pack;   wherein the battery-mounting part is disposed in a plane parallel to the lower surface and is intersected by a vertically-extending center axis of the main-body housing.   
     
     
         4 . The surface-cleaning apparatus according to  claim 1 , wherein:
 the first tank is connected to an upper portion of the main-body housing; and   the second tank is connected to a lower portion of the main-body housing.   
     
     
         5 . The surface-cleaning apparatus according to  claim 4 , further comprising:
 a battery-mounting part disposed on the main-body housing and configured to detachably mount a battery pack;   wherein the first tank, the second tank, and battery-mounting part extend in respective planes that are parallel to the lower surface and are intersected by a vertically-extending center axis of the main-body housing.   
     
     
         6 . The surface-cleaning apparatus according to  claim 5 , further comprising a supply pump housed in the main-body housing and configured to be driven to supply the cleaning liquid from the first tank to the surface of the cleaning target. 
     
     
         7 . The surface-cleaning apparatus according to  claim 6 , wherein the battery-mounting part is disposed between the supply pump and the suction motor in the front-rear direction. 
     
     
         8 . The surface-cleaning apparatus according to  claim 7 , further comprising:
 a supply switch disposed on a front surface of the main-body housing and configured to be manipulated to cause the supply pump to be driven; and   a suction switch disposed on the front surface of the main-body housing and configured to be manipulated to cause the suction motor to be driven.   
     
     
         9 . The surface-cleaning apparatus according to  claim 1 , comprising:
 a supply port provided on the front surface of the main-body housing and configured to expel cleaning liquid in a flow direction towards the surface of the cleaning target; and   a recovery port provided on the front surface of the main-body housing and configured to receive cleaning liquid recovered from the surface of the cleaning target.   
     
     
         10 . The surface-cleaning apparatus according to  claim 6 , wherein:
 the battery-mounting part comprises a first battery-mounting part and a second battery-mounting part, which are arranged, preferably aligned, in the front-rear direction;   the supply pump and the suction motor are arranged in the front-rear direction;   the first battery-mounting part is disposed upward of the supply pump; and   the second battery-mounting part is disposed upward of the suction motor.   
     
     
         11 . The surface-cleaning apparatus according to  claim 2 , comprising:
 a battery-mounting part disposed on the main-body housing and configured to detachably mount a battery pack;   wherein the battery-mounting part is disposed in a plane parallel to the lower surface and is intersected by the vertically-extending center axis of the main-body housing.   
     
     
         12 . The surface-cleaning apparatus according to  claim 11 , wherein:
 the first tank is connected to an upper portion of the main-body housing; and   the second tank is connected to a lower portion of the main-body housing.   
     
     
         13 . The surface-cleaning apparatus according to  claim 12 , wherein the first tank, the second tank, and battery-mounting part extend in respective planes that are parallel to the lower surface and are intersected by the vertically-extending center axis of the main-body housing. 
     
     
         14 . The surface-cleaning apparatus according to  claim 13 , further comprising a supply pump housed in the main-body housing and configured to be driven to supply the cleaning liquid from the first tank to the surface of the cleaning target. 
     
     
         15 . The surface-cleaning apparatus according to  claim 14 , wherein the battery-mounting part is disposed between the supply pump and the suction motor in the front-rear direction. 
     
     
         16 . The surface-cleaning apparatus according to  claim 15 , further comprising:
 a supply switch disposed on a front surface of the main-body housing and configured to be manipulated to cause the supply pump to be driven; and   a suction switch disposed on the front surface of the main-body housing and configured to be manipulated to cause the suction motor to be driven.   
     
     
         17 . The surface-cleaning apparatus according to  claim 16 , comprising:
 a supply port provided on the front surface of the main-body housing and configured to expel cleaning liquid in a flow direction towards the surface of the cleaning target; and   a recovery port provided on the front surface of the main-body housing and configured to receive cleaning liquid recovered from the surface of the cleaning target.   
     
     
         18 . The surface-cleaning apparatus according to  claim 2 , further comprising:
 a supply pump housed in the main-body housing and configured to be driven to supply the cleaning liquid from the first tank to the surface of the cleaning target;   wherein a horizontal plane that is perpendicular to the vertically-extending center axis and is parallel to the respective planes intersects the supply pump and the suction motor.   
     
     
         19 . The surface-cleaning apparatus according to  claim 18 , further comprising:
 a supply switch configured to be manipulated to cause the supply pump to be driven; and   a suction switch configured to be manipulated to cause the suction motor to be driven.   
     
     
         20 . The surface-cleaning apparatus according to  claim 19 , comprising:
 a battery-mounting part disposed on the main-body housing and is located between the first tank and the second tank in an up-down direction that is perpendicular to the respective planes and the horizontal plane;   wherein the battery-mounting part is configured to detachably mount a battery pack to supply current to the supply pump and the suction motor.