Patent ID: 7017242

Claim:
Slider ( 1 , 11 ) for zip fasteners with two tabs ( 2 , 3 ), comprising a hollow body ( 4 ) in which hollow body are positioned means ( 10 , 20 , 5 , 6 , 15 , 16 ) designed in such a way that, when either one of said two tabs ( 2 , 3 ) is pulled, this causes the disengagement of a pawl ( 7 , 17 ) from the teeth (Zi) of a fastener, overcoming the resistance of elastic means ( 8 , 9 ) which keep the pawl inserted between said teeth (Zi), characterized in that said means consist of a fork ( 10 , 20 ) provided with two prongs ( 5 , 6 , 15 , 16 ) positioned on opposite sides of the plane (β) of the aforesaid teeth (Zi) and pivoted at a point (P, Q) of the slider ( 1 , 11 ) in such a way that it can rotate in a plane (α) perpendicular to said plane (β) of the teeth (Zi) when a force is exerted on at least one ( 6 , 16 ) of its prongs ( 5 , 15 , 6 , 16 ) by means of the tab ( 3 ) connected to it by its ring ( 3 a ), and wherein one ( 2 ) of the two tabs ( 2 , 3 ) is connected to an elastic strip ( 8 ) terminating in said pawl ( 7 ) in such a way that it can disengage the pawl from the teeth (Zi), and the other tab ( 3 ) is connected to a prong ( 6 ) of the fork ( 10 ), the other prong ( 5 ) facing said elastic strip ( 8 ) in such a way that a rotation (R) of the fork ( 10 ) caused by the aforesaid other tab ( 3 ) also causes the said disengagement from the teeth (Zi) as a result of the movement of said other prong ( 5 ).