| 主权项 |
1. An elevator roller guide configured to ride along a rail having a base member and a rail member, the rail member having a front face, a first side and a second side, the rail member further extending substantially perpendicular to the base member, the elevator roller guide comprising:
(a) a base, a face roller and at least one side roller, said face roller extending substantially perpendicular to said at least one side roller, said base supporting said face roller and said at least one side roller such that when the elevator roller guide is installed on an elevator car in an operating position said face roller engages the front face of the rail member and said at least one side roller engages one of said first side and said second side of said rail member; and, (b) a car movement compensation member being configured to maintain said face roller in contact with said front face of said rail member when the elevator car moves a first distance in a direction transverse to said rail member wherein the first distance is a distance that would cause said face roller to slide off of said front face of said rail member without said car movement compensation member. |
