Patent ID: 7451867
Filing Date: 2008-11-18
Classification: B66B

Abstract:
1. An escalator or moving walk, comprising: a truss, a shaft construction having a hollow rotatable shaft and a stationary axle extending through the hollow rotatable shaft, and a shaft-bearing for holding the shaft in the truss, the shaft-bearing comprising a hub and a socket, the hub being tightly fastened to the truss and supporting the socket, the axle being borne by the socket whereby an end of the axle is engaged and supported by the socket, the axle having a distal portion of a first cross-section capable of passing through the socket extending from the end inwardly to an inner edge of the engaged socket and for a further distance such that the socket is capable of being moved inwardly along the first cross-section portion to a position such that an outer edge of the socket is inward of an inner edge of the hub for separation and clearance from the hub without interference from the hub, the hub being constructed to permit the socket to be moved inwardly along the axle out of engagement with the hub to the position.