Patent ID: 6851773

Claim:
A track device comprising: a first track including a front end a rear end; a second track slidably received in said first track; a slide-aiding member mounted between said first track and said second track, allowing smooth sliding movement of said second track relative to said first track, said slide-aiding member including an engaging notch in a front end thereof; a retaining member securely mounted on said front end of said first track and including a resilient hook rod adapted to engage with or disengage from the engaging notch for positioning or releasing the slide-aiding member with respect to the first slide track; an unlatching member securely provided on said second track, said unlatching member adapted to actuate the resilient hook rod of the retaining member for disengaging the engaging notch from the resilient hook rod of the retaining member; wherein when said second track is removed from said first track, said resilient hook rod of said retaining member is engaged with said engaging notch of said slide-aiding member, thereby retaining said slide-aiding member in place; and wherein when said second track is reinserted into said slide-aiding member and said first track, said unlatching member urges said resilient hook rod of said retaining member to disengage from said engaging notch of said slide-aiding member, allowing further inward sliding movement of said slide-aiding member into said first track.