Patent ID: 8622492

Claim:
A positioning mechanism for a quick release device of a slide assembly, comprising: a rail having an opening defined in the rail and a first contact portion located adjacent to the opening, the opening having an open portion and a reception portion which communicates with the open portion, and a positioning member having a base, a resilient arm, a restriction portion and a second contact portion, the positioning member being fixed to the rail by the base and located corresponding to the opening, the resilient arm being connected between the base and the restriction portion, wherein the resilient arm is transversely movable from the rail to change position of the restriction portion, the restriction portion having a first contact end located corresponding to the open portion, the second contact portion being connected to the restriction portion, a substantially enclosed area being defined between the first contact end and the reception portion, and the second contact portion contacting the first contact portion of the rail to substantially inhibit vertical movement and longitudinal movement of the positioning member relative to the rail; wherein the restriction portion has a bent plate having a second contact end and an operation end, the second contact end is located corresponding to the first contact end of the restriction portion, and the operation end is located corresponding to the second contact end.