Patent ID: 8475141

Claim:
A pump assembly ( 10 ) for high pressure cleaners, comprising a pump body ( 12 ) encasing a free end ( 14 ) of a motor shaft provided with a keyed-on, wobble plate ( 16 ) which moves one or more than one axial pistons ( 18 ) that are elastically tensioned by helical springs ( 20 ), a pump head ( 32 ) fixed to said pump body ( 12 ), said pump head ( 32 ) having fluid inlet and outlet conduits and relative valves, an intermediate housing ( 34 ) for receiving and guiding the one or more than one pistons ( 18 ), said intermediate housing ( 34 ) having a frustoconical-shaped body with a larger diametered bottom section facing a same-diametered pump body ( 12 ) and being secured thereto by screws ( 36 ).