Patent ID: 7917987

Claim:
An air-injection type tool for scrubbing off the dirt on a body comprising: an air-retaining body ( 2 ) formed of an elastic material expandable in an air injection manner, the air-retaining body ( 2 ) having a scrubbing towel ( 40 ) encompassed on the external surface thereof; a disc-like support body ( 4 ) disposed at the inside of the air-retaining body ( 2 ) and having a cylindrical coupling protrusion ( 6 ) formed at the top central portion thereof, the coupling protrusion ( 6 ) having a piston (A) reciprocated therein such that the air generated by the reciprocating motion of the piston (A) is sent to the air-retaining body ( 2 ); and a cover body ( 12 ) adapted to be pressurized by a handle ( 18 ) screw-coupled with the coupling protrusion ( 6 ) of the support body ( 4 ) to come into close contact with the support body ( 4 ) such that the air-retaining body ( 2 ) is kept airtight.