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US 10,625,985 B1Granted
Pedestrian conveyor mass damper to reduce step vibration
AssigneeKone Corporation
InventorsGiovanni Hawkins, Julian Justin
Life of this patent
Estimating the term…
Abstract
A pedestrian conveyor includes a torsional vibration damper system, the torsional vibration damper system including a shaft, a cylindrical housing attached to the shaft and being configured to dampen vibrations of the shaft, a first gear, and a second gear.
Claims20
A pedestrian conveyor, including:
- at least one torsional vibration damper system comprising:
- a shaft;
- a cylindrical housing attached to the shaft and being configured to dampen vibrations of the shaft;
- a first gear attached to an end of the shaft;
- and
- a second gear engaging the first gear;
- and
- a step chain band connected to the second gear.
5 more elements
A pedestrian conveyor, including:
- a mass damper system comprising:
- a shaft;
- a plurality of spring plates attached to the shaft;
- a plurality of weights connected to the plurality of spring plates;
- a first gear connected to the shaft;
- and
- a second gear engaging the first gear;
- and
- a step chain band connected to the second gear.
6 more elements
A method of retrofitting a mass damper system onto an existing pedestrian conveyor, the method comprising the steps of:
- providing at least one mass damper system, each mass damper system including:
- a shaft;
- at least one spring plate or at least one cylindrical housing;
- and
- a sprocket;
- attaching the at least one spring plate or the at least one cylindrical housing to the shaft;
- and
- attaching the shaft to the pedestrian conveyor via one or more brackets, wherein each bracket includes a bearing engaging the shaft.
5 more elements
Dependencies are inferred from the claim text.