Patent ID: 9732458
Date: 2017-08-15
CPC Classifications: D06F,F16F

Claim:
1. A frictional vibration damper ( 10 ) for washing machines said damper comprising a piston body ( 24 ) and a piston rod ( 15 ) adapted to move telescopically along the primary axis of said piston body ( 24 ), a friction element 5 ( 19 ) located in between said piston rod and said piston body such that friction occurs when said piston moves with respect to said body, said piston rod and piston body respectively having a joint ( 20 ) at one ends, characterized in that said piston rod ( 15 ) is formed by a carrier piece ( 14 ) around which a tubular body ( 16 ) is crimped and wherein both sides of said carrier piece ( 14 ) is provided with a plurality of longitudinal fitting protrusions ( 31 ) for engaging to corresponding lateral cylindrical half surfaces ( 30 ) formed on tubular body ( 16 ).