Patent ID: 7185952

Claim:
An adjusting device for an armrest of a child car seat, the adjusting device comprising: an armrest support including a supporting portion and a coupling portion having a first engaging structure formed thereon; an armrest including an armrest portion and a connecting portion, wherein the connecting portion is pivotably coupled to the coupling portion of the armrest support and has a second engaging structure formed thereon; a button operably disposed in the connecting portion of the armrest and including a body having a third engaging structure formed thereon; and an engaging assembly operably disposed between the connecting portion of the armrest and the coupling portion of the armrest support, and including an engaging block and a spring member operably biasing the engaging block toward the coupling portion of the armrest support, wherein the engaging block includes a fourth engaging structure for engaging with the second engaging structure of the connecting portion, a fifth engaging structure for selectively engaging/disengaging with the first engaging structure of the coupling portion, and a sixth engaging structure constructed such that when the first engaging structure engages with the fifth engaging structure, the sixth engaging structure will disengage from the third engaging structure of the button and thereby the armrest is locked relative to the armrest support, and when the first engaging structure is caused to disengage from the fifth engaging structure, the armrest is free to pivot relative to the armrest support and the sixth engaging structure engages with the third engaging structure of the button.