Ball joint device

A ball joint device comprising:

• a ball joint comprising a first substantially ball-shaped ball joint portion and a second ball joint portion having a rod shape;
• a ball joint seat comprising:
• a first seat housing to house the first ball joint portion said first seat housing being configured to allow a sliding movement of the first ball joint portion in said first seat housing;
• a first seat end comprising a first seat opening configured to allow the first ball joint portion to be introduced in said first seat housing;
• a casing comprising:
• a first casing housing to house the seat, said first casing housing being configured to prevent relative movement between the casing and the seat;
• a first casing end comprising a first casing opening configured to allow the seat to be introduced in the first casing housing;
• a second casing end opposite to the first casing end comprising first joining means between the casing and the seat;
• and
• an intermediate portion in the first casing housing between the first casing end and the second casing end said intermediate portion comprising second joining means between the casing and the seat.