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| Number | Title | Issue Date |
| 7770710 | Handrail compensation device Method for compensating the length of a movable handrail (10) in a passenger conveyor (2) having a passenger transportation belt (4) defining at least one passenger transportation surface (8), the handrail (10) is traveling along a... | 08/10/2010 |
| 7341139 | Travelator, moving ramp or escalator A travelator, moving ramp or escalator for transporting people, comprises a people mover; a balustrade extending alongside the people mover throughout its length. The balustrade comprises a handrail belt formed as an endless loop and having an upper handhold portion... | 03/11/2008 |
| 6460679 | Automatically adjusting escalator handrail system A passenger conveyor system includes a handrail adjustment mechanism that automatically adjusts the forces imposed on the handrail. A first length compensation device is positioned on a first side of the handrail drive mechanism. A second length compensat... | 10/08/2002 |
| 6199678 | Hand rail driving apparatus for escalator The present invention comprises a hand rail driving apparatus which can easily compensate loss of driving force and tension of a hand rail, which is essential to safety of an escalator without damaging a flat belt or a roller thereof. The hand rail drivin... | 03/13/2001 |
| 5782333 | Escalator having handrail/drive-wheel self-adjusting traction mechanism The invention provides an escalator having a handrail arranged on a drive wheel and comprising a handrail drive means and a handrail/drive-wheel traction self-adjusting means. The handrail drive means responds to a handrail drive force, for providing a ha... | 07/21/1998 |
| 5544730 | Tension release for passenger conveyor The tension on the moving handrail drive and/or step chain of a passenger conveyor such as an escalator or moving walkway is automatically released when the conveyor is shut down; and is automatically reapplied when the conveyor is started up again. Undes... | 08/13/1996 |
| 5207308 | Moving handrail drive belt tensioning device A spring loaded tensioning assembly is mounted on the truss of a moving walkway or escalator to apply pressure and tension to a moving handrail drive belt. The assembly includes a roller which is biased against the inside surface of the drive belt to urge... | 05/04/1993 |
| 5188209 | Handrail roller bow adjustment The moving handrail on an escalator or moving walkway is first tightened on its guide rail to the extent necessary to eliminate substantially all handrail slack in the handrail loop. Thereafter, the handrail is loosened so as to impart optimum slack there... | 02/23/1993 |
| 5072820 | Escalator handrail stop device The handrail of an escalator is continuously monitored for movement by a sensor assembly. In the event that the handrail stops moving, the escalator steps are stopped so as to provide a safe environment for passengers on the escalator. The system can also... | 12/17/1991 |
| 4674619 | Passenger conveyor A passenger conveyor including body frame is formed of a main frame including upper and lower horizontal sections and an inclined section therebetween, and upper and lower auxiliary frames mounted on the upper and lower horizontal sections of the main fra... | 06/23/1987 |
| 4564099 | Safety device for a passenger conveyor A safety device for a passenger conveyor is disclosed which comprises a thrust means having a support rod shiftably held by a stationary part and having a roller rotatably mounted at the forward end of the support rod so as to abut against the handrail of... | 01/14/1986 |
| 4562914 | Handrail apparatus Continuously self-adjusting handrail apparatus for transportation apparatus, such as escalators and walks, in which the handrail guide automatically responds to forces therein to reduce the magnitude of load induced forces which tend to dislodge the handr... | 01/07/1986 |
| 4239102 | Handrail apparatus Self-adjusting handrail apparatus, including a handrail member which is both pushed and pulled about the substantially continuous guide loop. The guide loop includes a gap linked by a biasing arrangement which maintains a slight tension in the handrail me... | 12/16/1980 |
