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US 4,775,044 AGranted
Parallel drive for escalators or moving sidewalks
AssigneeO&K Orenstein & Koppel Aktiengesellschaft
InventorPeter Hofling
Life of this patent
Estimating the term…
Abstract
A parallel drive for escalators or moving sidewalks is located within the region of reversal and inside the rotating step or pallet belt, the drive including with electric motor, gearing, step or pallet drive apparatus and handrail drive apparatus. The apparati are driven by the drive shafts of a drive unit comprising electric motor and planetary gearing arranged with their axes parallel to the axes of driven shafts of the step or pallet drive and the handrail drive.
Claims8
A drive for a conveyor belt in escalators and moving sidewalks, respectively, wherein:
- said drive is disposed within a region of reversal of and completely inside the conveyor belt, said drive comprising an electric motor, a gearing driven by the motor, and drive means for driving the conveyor belt and handrail drive means for driving a handrail, the drive means including a conveyor belt drive shaft and a handrail drive shaft, respectively;
- and wherein
- said gearing includes a planetary gearing having an output gear, said electric motor and said output gear of said planetary gearing constitute a drive unit and have identical center line axes;
- and wherein
- said drive unit has its axis arranged parallel to and spacially completely between the conveyor belt drive shaft and the handrail drive shaft;
- and wherein
- the conveyor belt drive means includes a conveyor belt drive shaft gear mounted on said conveyor belt drive shaft;
- and wherein
- said output gear of the planetary gearing is in direct engagement with said conveyor belt drive shaft gear and operatively connected to said handrail drive shaft.
6 more elements
Dependencies are inferred from the claim text.