The invention relates to a passenger conveyor, such as an escalator or autowalk, comprising a band of conveying elements; a diverting wheel for diverting the passage of the band of conveying elements and/or a traction member thereof and a brake for braking rotation of the diverting wheel. The brake comprises a screw member having a conical threaded external rim; a nut member having a conical threaded internal rim, the screw member and nut member being screwed together, one of said screw member and nut member being connected with the diverting wheel for being driven by the diverting wheel. The brake further comprises a stopping device for stopping rotation of the other of said screw member and nut member.

The invention relates to a passenger conveyor, such as an escalator or autowalk, comprising a band of conveying elements; a diverting wheel for diverting the passage of the band of conveying elements and/or a traction member thereof and a brake for braking rotation of the diverting wheel. The brake comprises a screw member having a conical threaded external rim; a nut member having a conical threaded internal rim, the screw member and nut member being screwed together, one of said screw member and nut member being connected with the diverting wheel for being driven by the diverting wheel. The brake further comprises a stopping device for stopping rotation of the other of said screw member and nut member.

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus and the local gateway device is configured to determine a condition based monitoring (CBM) health score of the escalator in response to at least the acceleration data, and wherein the local gateway is configured wirelessly transmit the CBM health score of the escalator to the cloud computing network in a data package via a long-range wireless communication protocols.

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus and the local gateway device is configured to determine a condition based monitoring (CBM) health score of the escalator in response to at least the acceleration data, and wherein the local gateway is configured wirelessly transmit the CBM health score of the escalator to the cloud computing network in a data package via a long-range wireless communication protocols.

A low-profile adjustable height operator platform includes a low-profile frame, which includes a plurality of struts, and one or more kick plates. The one or more kick plates flank the perimeter of the low-profile frame, acting to structurally support the low-profile so that the platform can achieve a low profile without sacrificing its holding capacity. The low profile of the platform (e.g., being as low as two inches from the ground surface) enables the platform to accommodate and support operators of a variety of heights.

An escalator-monitoring device/method deliver quick/easy installation without affecting the escalator's safety/warranty, minimizing operation costs/risks/liabilities/downtimes, and maximizing capitalization by reliable detecting being normal, abnormal/unsafe, usage and users' heights, alerting the unsafe users, notifying maintenance/traffic-control personnel with pinpointed occurrence(s), receiving/replying requests for state in real time, and uploading the detected big data to computing/IoT cloud(s) at a system preset interval.

A safety device for an elevator system or an escalator system includes a safety circuit having a plurality of safety circuit elements, wherein the safety circuit is adapted for stopping an operation of the elevator system or escalator system when at least one of the safety circuit elements of the safety circuit opens, a manual service switch for opening at least one of the safety circuit elements of the safety circuit, and a light device adapted to be illuminated in a first illumination color while all the safety circuit elements are closed and to be no longer illuminated in the first illumination color when at least one of the safety circuit elements of the safety circuit is open.

A safety device for an elevator system or an escalator system includes a safety circuit having a plurality of safety circuit elements, wherein the safety circuit is adapted for stopping an operation of the elevator system or escalator system when at least one of the safety circuit elements of the safety circuit opens, a manual service switch for opening at least one of the safety circuit elements of the safety circuit, and a light device adapted to be illuminated in a first illumination color while all the safety circuit elements are closed and to be no longer illuminated in the first illumination color when at least one of the safety circuit elements of the safety circuit is open.

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus and the local gateway device is configured to determine a condition based monitoring (CBM) health score of the escalator in response to at least the acceleration data, and wherein the local gateway is configured wirelessly transmit the CBM health score of the escalator to the cloud computing network in a data package via a long-range wireless communication protocols.

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus and the local gateway device is configured to determine a condition based monitoring (CBM) health score of the escalator in response to at least the acceleration data, and wherein the local gateway is configured wirelessly transmit the CBM health score of the escalator to the cloud computing network in a data package via a long-range wireless communication protocols.