Patent ID: 7204344

Claim:
An elevator rail for attachment to the outside of a building comprising: a first plate having a first face and a second face opposite the first face, the first plate attached to the side of a building with the first face adjacent to the side of a building, a second plate having a first face and a second face opposite the first face, a connecting cross bar perpendicular to the second side of the first plate and to the first side of the second plate, separating the first plate and the second plate and forming an H shape, the first plate attached to the outside of a building with the first face of the first plate facing the building, the connecting cross bar having a right face and a left face, a first wheel guide channel having, a first wall along the first plate second side, a second wall along the right face of the cross bar, with a wheel engaging and aligning portion thereon, a third wall attached perpendicularly to the first plate second side with a wheel engaging and aligning portion thereon, and a fourth wall parallel to the first wall to complete the channel, the fourth wall having a gap for a wheel axle to pass through, a second wheel guide channel having, a first wall along the second plate first side, a second wall along the right face of the cross bar, with a wheel engaging and aligning portion thereon, a third wall attached perpendicularly to the first plate second side with a wheel engaging portion and aligning thereon, and a fourth wall parallel to the first wall to complete the channel, the fourth wall having a gap for a wheel axle to pass through, a third wheel guide channel having, a first wall along the first plate second side, with a wheel engaging portion thereon, a second wall, attached to the first wall, parallel to the right face of the cross bar, a third wall, with a wheel engaging portion thereon, attached perpendicularly to second wall, and a fourth wall parallel to the cross bar to complete the channel, the fourth wall, parallel to and distal from the cross bar having a gap for a wheel axle to pass through, a forth wheel guide channel having, a first wall along the second plate first side, with a wheel engaging portion thereon, a second wall, attached to the first wall, parallel to the right face of the cross bar, a third wall, attached perpendicularly to second wall, with a wheel engaging portion thereon, and a fourth wall parallel to, and distal from, the right face of the cross bar to complete the channel, the fourth wall having a gap for a wheel axle to pass through, a gap between the channels on the first wall and the channels on the second wall, to allow room for a wheel axle support arm to travel between the channels, and with a mirror image of four more wheel guide channels on the left face of the cross bar.