Escalator step chain support apparatus
AssigneeOtis Elevator Company
InventorsHermann W. Ahls, Martin Mehlert, Jan G. Harbers
Life of this patent
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Abstract
An apparatus for supporting the step chain of an escalator having a frame with a first and a second landing, an inclined section attached therebetween, and roller tracks fixed thereto, is provided and includes a pair of arcuated ramps for supporting the step chain in a transition area between either of the landings and the inclined section, inboard of the roller tracks, each of the ramps is made of a first bushing, a second bushing, and an elastomeric center section attached to the bushings.
Claims5
A step chain support apparatus, for an escalator having a frame with a first landing, a second landing, and an inclined section attached therebetween, a step chain for travel along a predetermined path, having a plurality of axles with rollers, and a pair of roller tracks for supporting the step chain along the path, comprising:
- a pair of arcuated ramps for supporting the step chain in a transition area between either of said landings and said inclined section, inboard of the roller tracks, wherein each of said ramps comprises a first bushing, a second bushing, and an elastomeric center section attached to said bushings.
An escalator, comprising:
- a frame, having a first landing, a second landing, and an inclined section attached therebetween;
- a step chain, having a first strand and a second strand connected by a plurality of axles, each axle having a pair of pivotly attached rollers, for travel along a predetermined path;
- a pair of roller tracks, for supporting said rollers and therefore said step chain along said path;
- and
- a pair of arcuated ramps for supporting said step chain in a transition area between either of said landings and said inclined section, inboard of said roller tracks, wherein each of said ramps comprises a first bushing, a second bushing, and an elastomeric center section attached to said bushings.
Dependencies are inferred from the claim text.