Patent ID: 7059017

Claim:
A sliding door system comprising: a door frame to be positioned in a structure opening comprising a flat, metal, floor-level roller glide surface extending in a longitudinal direction that does not impede foot or wheel traffic, said roller glide surface comprising metal outside and inside guide channels extending longitudinally the full length of the roller glide surface, a sliding door, slidably positioned in said door frame, said sliding door including two wide, solid nylon rollers that are situated between and extend in width slightly less than a lateral distance between said outside and inside guide channels, said sliding door further including metal, precision-fitted outside and inside guides corresponding to said outside and inside guide channels, said outside and inside guides extend longitudinally the full length of said sliding door, an angled step plate adjacent to said roller glide surface, wherein said outside guide is vertically longer than said inside guide, which prevents lateral displacement of said sliding door to prevent forced entry from outside said sliding door.